org.eclipse.equinox.launcher.Main Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2000, 2016 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Anton Leherbauer (Wind River Systems) - bug 301226
* Red Hat Inc. - bug 373640, 379102
* Ericsson AB (Pascal Rapicault) - bug 304132
* Rapicorp, Inc - Default the configuration to Application Support (bug 461725)
* Lars Vogel - Bug 221969
*******************************************************************************/
package org.eclipse.equinox.launcher;
import java.io.*;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.*;
import java.security.*;
import java.util.*;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import org.eclipse.equinox.internal.launcher.Constants;
/**
* The launcher for Eclipse.
*
* Note: This class should not be referenced programmatically by
* other Java code. This class exists only for the purpose of launching Eclipse
* from the command line. To launch Eclipse programmatically, use
* org.eclipse.core.runtime.adaptor.EclipseStarter. The fields and methods
* on this class are not API.
*
* @noextend This class is not intended to be subclassed by clients.
* @noinstantiate This class is not intended to be instantiated by clients.
*/
public class Main {
/**
* Indicates whether this instance is running in debug mode.
*/
protected boolean debug = false;
/**
* The location of the launcher to run.
*/
protected String bootLocation = null;
/**
* The location of the install root
*/
protected URL installLocation = null;
/**
* The location of the configuration information for this instance
*/
protected URL configurationLocation = null;
/**
* The location of the configuration information in the install root
*/
protected String parentConfigurationLocation = null;
/**
* The id of the bundle that will contain the framework to run. Defaults to org.eclipse.osgi.
*/
protected String framework = OSGI;
/**
* The extra development time class path entries for the framework.
*/
protected String devClassPath = null;
/*
* The extra development time class path entries for all bundles.
*/
private Properties devClassPathProps = null;
/**
* Indicates whether this instance is running in development mode.
*/
protected boolean inDevelopmentMode = false;
/**
* Indicates which OS was passed in with -os
*/
protected String os = null;
protected String ws = null;
protected String arch = null;
// private String name = null; // The name to brand the launcher
// private String launcher = null; // The full path to the launcher
private String library = null;
private String exitData = null;
private String vm = null;
private String[] vmargs = null;
private String[] commands = null;
String[] extensionPaths = null;
JNIBridge bridge = null;
// splash handling
private boolean showSplash = false;
private String splashLocation = null;
private String endSplash = null;
private boolean initialize = false;
protected boolean splashDown = false;
public final class SplashHandler extends Thread {
public void run() {
takeDownSplash();
}
public void updateSplash() {
if (bridge != null && !splashDown) {
bridge.updateSplash();
}
}
}
private final Thread splashHandler = new SplashHandler();
//splash screen system properties
public static final String SPLASH_HANDLE = "org.eclipse.equinox.launcher.splash.handle"; //$NON-NLS-1$
public static final String SPLASH_LOCATION = "org.eclipse.equinox.launcher.splash.location"; //$NON-NLS-1$
// command line args
private static final String FRAMEWORK = "-framework"; //$NON-NLS-1$
private static final String INSTALL = "-install"; //$NON-NLS-1$
private static final String INITIALIZE = "-initialize"; //$NON-NLS-1$
private static final String VM = "-vm"; //$NON-NLS-1$
private static final String VMARGS = "-vmargs"; //$NON-NLS-1$
private static final String DEBUG = "-debug"; //$NON-NLS-1$
private static final String DEV = "-dev"; //$NON-NLS-1$
private static final String CONFIGURATION = "-configuration"; //$NON-NLS-1$
private static final String NOSPLASH = "-nosplash"; //$NON-NLS-1$
private static final String SHOWSPLASH = "-showsplash"; //$NON-NLS-1$
private static final String EXITDATA = "-exitdata"; //$NON-NLS-1$
private static final String NAME = "-name"; //$NON-NLS-1$
private static final String LAUNCHER = "-launcher"; //$NON-NLS-1$
private static final String PROTECT = "-protect"; //$NON-NLS-1$
//currently the only level of protection we care about.
private static final String PROTECT_MASTER = "master"; //$NON-NLS-1$
private static final String PROTECT_BASE = "base"; //$NON-NLS-1$
private static final String LIBRARY = "--launcher.library"; //$NON-NLS-1$
private static final String APPEND_VMARGS = "--launcher.appendVmargs"; //$NON-NLS-1$
private static final String OVERRIDE_VMARGS = "--launcher.overrideVmargs"; //$NON-NLS-1$
private static final String NL = "-nl"; //$NON-NLS-1$
private static final String ENDSPLASH = "-endsplash"; //$NON-NLS-1$
private static final String SPLASH_IMAGE = "splash.bmp"; //$NON-NLS-1$
private static final String CLEAN = "-clean"; //$NON-NLS-1$
private static final String NOEXIT = "-noExit"; //$NON-NLS-1$
private static final String OS = "-os"; //$NON-NLS-1$
private static final String WS = "-ws"; //$NON-NLS-1$
private static final String ARCH = "-arch"; //$NON-NLS-1$
private static final String STARTUP = "-startup"; //$NON-NLS-1$
private static final String OSGI = "org.eclipse.osgi"; //$NON-NLS-1$
private static final String STARTER = "org.eclipse.core.runtime.adaptor.EclipseStarter"; //$NON-NLS-1$
private static final String PLATFORM_URL = "platform:/base/"; //$NON-NLS-1$
private static final String ECLIPSE_PROPERTIES = "eclipse.properties"; //$NON-NLS-1$
private static final String FILE_SCHEME = "file:"; //$NON-NLS-1$
protected static final String REFERENCE_SCHEME = "reference:"; //$NON-NLS-1$
protected static final String JAR_SCHEME = "jar:"; //$NON-NLS-1$
// constants: configuration file location
private static final String CONFIG_DIR = "configuration/"; //$NON-NLS-1$
private static final String CONFIG_FILE = "config.ini"; //$NON-NLS-1$
private static final String CONFIG_FILE_TEMP_SUFFIX = ".tmp"; //$NON-NLS-1$
private static final String CONFIG_FILE_BAK_SUFFIX = ".bak"; //$NON-NLS-1$
private static final String ECLIPSE = "eclipse"; //$NON-NLS-1$
private static final String PRODUCT_SITE_MARKER = ".eclipseproduct"; //$NON-NLS-1$
private static final String PRODUCT_SITE_ID = "id"; //$NON-NLS-1$
private static final String PRODUCT_SITE_VERSION = "version"; //$NON-NLS-1$
// constants: System property keys and/or configuration file elements
private static final String PROP_USER_HOME = "user.home"; //$NON-NLS-1$
private static final String PROP_USER_DIR = "user.dir"; //$NON-NLS-1$
private static final String PROP_INSTALL_AREA = "osgi.install.area"; //$NON-NLS-1$
private static final String PROP_CONFIG_AREA = "osgi.configuration.area"; //$NON-NLS-1$
private static final String PROP_CONFIG_AREA_DEFAULT = "osgi.configuration.area.default"; //$NON-NLS-1$
private static final String PROP_BASE_CONFIG_AREA = "osgi.baseConfiguration.area"; //$NON-NLS-1$
private static final String PROP_SHARED_CONFIG_AREA = "osgi.sharedConfiguration.area"; //$NON-NLS-1$
private static final String PROP_CONFIG_CASCADED = "osgi.configuration.cascaded"; //$NON-NLS-1$
protected static final String PROP_FRAMEWORK = "osgi.framework"; //$NON-NLS-1$
private static final String PROP_SPLASHPATH = "osgi.splashPath"; //$NON-NLS-1$
private static final String PROP_SPLASHLOCATION = "osgi.splashLocation"; //$NON-NLS-1$
private static final String PROP_CLASSPATH = "osgi.frameworkClassPath"; //$NON-NLS-1$
private static final String PROP_EXTENSIONS = "osgi.framework.extensions"; //$NON-NLS-1$
private static final String PROP_FRAMEWORK_SYSPATH = "osgi.syspath"; //$NON-NLS-1$
private static final String PROP_FRAMEWORK_SHAPE = "osgi.framework.shape"; //$NON-NLS-1$
private static final String PROP_LOGFILE = "osgi.logfile"; //$NON-NLS-1$
private static final String PROP_REQUIRED_JAVA_VERSION = "osgi.requiredJavaVersion"; //$NON-NLS-1$
private static final String PROP_PARENT_CLASSLOADER = "osgi.parentClassloader"; //$NON-NLS-1$
private static final String PROP_FRAMEWORK_PARENT_CLASSLOADER = "osgi.frameworkParentClassloader"; //$NON-NLS-1$
private static final String PROP_NL = "osgi.nl"; //$NON-NLS-1$
static final String PROP_NOSHUTDOWN = "osgi.noShutdown"; //$NON-NLS-1$
private static final String PROP_DEBUG = "osgi.debug"; //$NON-NLS-1$
private static final String PROP_OS = "osgi.os"; //$NON-NLS-1$
private static final String PROP_WS = "osgi.ws"; //$NON-NLS-1$
private static final String PROP_ARCH = "osgi.arch"; //$NON-NLS-1$
private static final String PROP_EXITCODE = "eclipse.exitcode"; //$NON-NLS-1$
private static final String PROP_EXITDATA = "eclipse.exitdata"; //$NON-NLS-1$
private static final String PROP_LAUNCHER = "eclipse.launcher"; //$NON-NLS-1$
private static final String PROP_LAUNCHER_NAME = "eclipse.launcher.name"; //$NON-NLS-1$
private static final String PROP_VM = "eclipse.vm"; //$NON-NLS-1$
private static final String PROP_VMARGS = "eclipse.vmargs"; //$NON-NLS-1$
private static final String PROP_COMMANDS = "eclipse.commands"; //$NON-NLS-1$
private static final String PROP_ECLIPSESECURITY = "eclipse.security"; //$NON-NLS-1$
// Suffix for location properties - see LocationManager.
private static final String READ_ONLY_AREA_SUFFIX = ".readOnly"; //$NON-NLS-1$
// Data mode constants for user, configuration and data locations.
private static final String NONE = "@none"; //$NON-NLS-1$
private static final String NO_DEFAULT = "@noDefault"; //$NON-NLS-1$
private static final String USER_HOME = "@user.home"; //$NON-NLS-1$
private static final String USER_DIR = "@user.dir"; //$NON-NLS-1$
// Placeholder for hashcode of installation directory
private static final String INSTALL_HASH_PLACEHOLDER = "@install.hash"; //$NON-NLS-1$
// types of parent classloaders the framework can have
private static final String PARENT_CLASSLOADER_APP = "app"; //$NON-NLS-1$
private static final String PARENT_CLASSLOADER_EXT = "ext"; //$NON-NLS-1$
private static final String PARENT_CLASSLOADER_BOOT = "boot"; //$NON-NLS-1$
private static final String PARENT_CLASSLOADER_CURRENT = "current"; //$NON-NLS-1$
// log file handling
protected static final String SESSION = "!SESSION"; //$NON-NLS-1$
protected static final String ENTRY = "!ENTRY"; //$NON-NLS-1$
protected static final String MESSAGE = "!MESSAGE"; //$NON-NLS-1$
protected static final String STACK = "!STACK"; //$NON-NLS-1$
protected static final int ERROR = 4;
protected static final String PLUGIN_ID = "org.eclipse.equinox.launcher"; //$NON-NLS-1$
protected File logFile = null;
protected BufferedWriter log = null;
protected boolean newSession = true;
private boolean protectBase = false;
// for variable substitution
public static final String VARIABLE_DELIM_STRING = "$"; //$NON-NLS-1$
public static final char VARIABLE_DELIM_CHAR = '$';
//for change detection in the base when running in shared install mode
private static final long NO_TIMESTAMP = -1;
private static final String BASE_TIMESTAMP_FILE_CONFIGINI = ".baseConfigIniTimestamp"; //$NON-NLS-1$
private static final String KEY_CONFIGINI_TIMESTAMP = "configIniTimestamp"; //$NON-NLS-1$
private static final String PROP_IGNORE_USER_CONFIGURATION = "eclipse.ignoreUserConfiguration"; //$NON-NLS-1$
/**
* A structured form for a version identifier.
*
* @see "http://www.oracle.com/technetwork/java/javase/versioning-naming-139433.html for information on valid version strings"
* @see "http://openjdk.java.net/jeps/223 for information on the JavaSE-9 version JEP 223"
*/
static class Identifier {
private static final String DELIM = ". _-"; //$NON-NLS-1$
private int major, minor, service;
Identifier(int major, int minor, int service) {
super();
this.major = major;
this.minor = minor;
this.service = service;
}
/**
* @throws NumberFormatException if cannot parse the major and minor version components
*/
Identifier(String versionString) {
super();
StringTokenizer tokenizer = new StringTokenizer(versionString, DELIM);
// major
if (tokenizer.hasMoreTokens())
major = Integer.parseInt(tokenizer.nextToken());
try {
// minor
if (tokenizer.hasMoreTokens())
minor = Integer.parseInt(tokenizer.nextToken());
// service
if (tokenizer.hasMoreTokens())
service = Integer.parseInt(tokenizer.nextToken());
} catch (NumberFormatException nfe) {
// ignore the minor and service qualifiers in that case and default to 0
// this will allow us to tolerate other non-conventional version numbers
}
}
/**
* Returns true if this id is considered to be greater than or equal to the given baseline.
* e.g.
* 1.2.9 >= 1.3.1 -> false
* 1.3.0 >= 1.3.1 -> false
* 1.3.1 >= 1.3.1 -> true
* 1.3.2 >= 1.3.1 -> true
* 2.0.0 >= 1.3.1 -> true
*/
boolean isGreaterEqualTo(Identifier minimum) {
if (major < minimum.major)
return false;
if (major > minimum.major)
return true;
// major numbers are equivalent so check minor
if (minor < minimum.minor)
return false;
if (minor > minimum.minor)
return true;
// minor numbers are equivalent so check service
return service >= minimum.service;
}
}
private String getWS() {
if (ws != null)
return ws;
String osgiWs = System.getProperty(PROP_WS);
if (osgiWs != null) {
ws = osgiWs;
return ws;
}
String osName = getOS();
if (osName.equals(Constants.OS_WIN32))
return Constants.WS_WIN32;
if (osName.equals(Constants.OS_LINUX))
return Constants.WS_GTK;
if (osName.equals(Constants.OS_MACOSX))
return Constants.WS_COCOA;
if (osName.equals(Constants.OS_HPUX))
return Constants.WS_GTK;
if (osName.equals(Constants.OS_AIX))
return Constants.WS_GTK;
if (osName.equals(Constants.OS_SOLARIS))
return Constants.WS_GTK;
if (osName.equals(Constants.OS_QNX))
return Constants.WS_PHOTON;
return Constants.WS_UNKNOWN;
}
private String getOS() {
if (os != null)
return os;
String osgiOs = System.getProperty(PROP_OS);
if (osgiOs != null) {
os = osgiOs;
return os;
}
String osName = System.getProperties().getProperty("os.name"); //$NON-NLS-1$
if (osName.regionMatches(true, 0, Constants.OS_WIN32, 0, 3))
return Constants.OS_WIN32;
// EXCEPTION: All mappings of SunOS convert to Solaris
if (osName.equalsIgnoreCase(Constants.INTERNAL_OS_SUNOS))
return Constants.OS_SOLARIS;
if (osName.equalsIgnoreCase(Constants.INTERNAL_OS_LINUX))
return Constants.OS_LINUX;
if (osName.equalsIgnoreCase(Constants.INTERNAL_OS_QNX))
return Constants.OS_QNX;
if (osName.equalsIgnoreCase(Constants.INTERNAL_OS_AIX))
return Constants.OS_AIX;
if (osName.equalsIgnoreCase(Constants.INTERNAL_OS_HPUX))
return Constants.OS_HPUX;
if (osName.equalsIgnoreCase(Constants.INTERNAL_OS_OS400))
return Constants.OS_OS400;
if (osName.equalsIgnoreCase(Constants.INTERNAL_OS_OS390))
return Constants.OS_OS390;
if (osName.equalsIgnoreCase(Constants.INTERNAL_OS_ZOS))
return Constants.OS_ZOS;
// os.name on Mac OS can be either Mac OS or Mac OS X
if (osName.regionMatches(true, 0, Constants.INTERNAL_OS_MACOSX, 0, Constants.INTERNAL_OS_MACOSX.length()))
return Constants.OS_MACOSX;
return Constants.OS_UNKNOWN;
}
private String getArch() {
if (arch != null)
return arch;
String osgiArch = System.getProperty(PROP_ARCH);
if (osgiArch != null) {
arch = osgiArch;
return arch;
}
String name = System.getProperties().getProperty("os.arch");//$NON-NLS-1$
// Map i386 architecture to x86
if (name.equalsIgnoreCase(Constants.INTERNAL_ARCH_I386))
return Constants.ARCH_X86;
// Map amd64 architecture to x86_64
else if (name.equalsIgnoreCase(Constants.INTERNAL_AMD64))
return Constants.ARCH_X86_64;
return name;
}
private String getFragmentString(String fragmentOS, String fragmentWS, String fragmentArch) {
StringBuffer buffer = new StringBuffer(PLUGIN_ID);
buffer.append('.');
buffer.append(fragmentWS);
buffer.append('.');
buffer.append(fragmentOS);
if (!(fragmentOS.equals(Constants.OS_MACOSX) && !Constants.ARCH_X86_64.equals(fragmentArch))) {
buffer.append('.');
buffer.append(fragmentArch);
}
return buffer.toString();
}
/**
* Sets up the JNI bridge to native calls
*/
private void setupJNI(URL[] defaultPath) {
if (bridge != null)
return;
String libPath = null;
if (library != null) {
File lib = new File(library);
if (lib.isDirectory()) {
libPath = searchFor("eclipse", lib.getAbsolutePath()); //$NON-NLS-1$
} else if (lib.exists()) {
libPath = lib.getAbsolutePath();
}
}
if (libPath == null) {
//find our fragment name
String fragmentOS = getOS();
String fragmentWS = getWS();
String fragmentArch = getArch();
libPath = getLibraryPath(getFragmentString(fragmentOS, fragmentWS, fragmentArch), defaultPath);
}
library = libPath;
if (library != null)
bridge = new JNIBridge(library);
}
private String getLibraryPath(String fragmentName, URL[] defaultPath) {
String libPath = null;
String fragment = null;
if (inDevelopmentMode && devClassPathProps != null) {
String devPathList = devClassPathProps.getProperty(PLUGIN_ID);
String[] locations = getArrayFromList(devPathList);
if (locations.length > 0) {
File location = new File(locations[0]);
if (location.isAbsolute()) {
String dir = location.getParent();
fragment = searchFor(fragmentName, dir);
if (fragment != null)
libPath = getLibraryFromFragment(fragment);
}
}
}
if (libPath == null && bootLocation != null) {
URL[] urls = defaultPath;
if (urls != null && urls.length > 0) {
//the last one is most interesting
for (int i = urls.length - 1; i >= 0 && libPath == null; i--) {
File entryFile = new File(urls[i].getFile());
String dir = entryFile.getParent();
if (inDevelopmentMode) {
String devDir = dir + "/" + PLUGIN_ID + "/fragments"; //$NON-NLS-1$ //$NON-NLS-2$
fragment = searchFor(fragmentName, devDir);
}
if (fragment == null)
fragment = searchFor(fragmentName, dir);
if (fragment != null)
libPath = getLibraryFromFragment(fragment);
}
}
}
if (libPath == null) {
URL install = getInstallLocation();
String location = install.getFile();
location += "/plugins/"; //$NON-NLS-1$
fragment = searchFor(fragmentName, location);
if (fragment != null)
libPath = getLibraryFromFragment(fragment);
}
return libPath;
}
private String getLibraryFromFragment(String fragment) {
if (fragment.startsWith(FILE_SCHEME))
fragment = fragment.substring(5);
File frag = new File(fragment);
if (!frag.exists())
return null;
if (frag.isDirectory())
return searchFor("eclipse", fragment); //$NON-NLS-1$;
ZipFile fragmentJar = null;
try {
fragmentJar = new ZipFile(frag);
} catch (IOException e) {
log("Exception opening JAR file: " + fragment); //$NON-NLS-1$
log(e);
return null;
}
Enumeration entries = fragmentJar.entries();
String entry = null;
while (entries.hasMoreElements()) {
ZipEntry zipEntry = entries.nextElement();
if (zipEntry.getName().startsWith("eclipse_")) { //$NON-NLS-1$
entry = zipEntry.getName();
try {
fragmentJar.close();
} catch (IOException e) {
//ignore
}
break;
}
}
if (entry != null) {
String lib = extractFromJAR(fragment, entry);
if (!getOS().equals("win32")) { //$NON-NLS-1$
try {
Runtime.getRuntime().exec(new String[] {"chmod", "755", lib}).waitFor(); //$NON-NLS-1$ //$NON-NLS-2$
} catch (Throwable e) {
//ignore
}
}
return lib;
}
return null;
}
/**
* Executes the launch.
*
* @param args command-line arguments
* @exception Exception thrown if a problem occurs during the launch
*/
protected void basicRun(String[] args) throws Exception {
System.getProperties().put("eclipse.startTime", Long.toString(System.currentTimeMillis())); //$NON-NLS-1$
commands = args;
String[] passThruArgs = processCommandLine(args);
if (!debug)
// debug can be specified as system property as well
debug = System.getProperty(PROP_DEBUG) != null;
setupVMProperties();
processConfiguration();
if (protectBase && (System.getProperty(PROP_SHARED_CONFIG_AREA) == null)) {
System.err.println("This application is configured to run in a cascaded mode only."); //$NON-NLS-1$
System.setProperty(PROP_EXITCODE, "" + 14); //$NON-NLS-1$
return;
}
// need to ensure that getInstallLocation is called at least once to initialize the value.
// Do this AFTER processing the configuration to allow the configuration to set
// the install location.
getInstallLocation();
// locate boot plugin (may return -dev mode variations)
URL[] bootPath = getBootPath(bootLocation);
//Set up the JNI bridge. We need to know the install location to find the shared library
setupJNI(bootPath);
//ensure minimum Java version, do this after JNI is set up so that we can write an error message
//with exitdata if we fail.
if (!checkVersion(System.getProperty("java.version"), System.getProperty(PROP_REQUIRED_JAVA_VERSION))) //$NON-NLS-1$
return;
// verify configuration location is writable
if (!checkConfigurationLocation(configurationLocation))
return;
setSecurityPolicy(bootPath);
// splash handling is done here, because the default case needs to know
// the location of the boot plugin we are going to use
handleSplash(bootPath);
beforeFwkInvocation();
invokeFramework(passThruArgs, bootPath);
}
protected void beforeFwkInvocation() {
//Nothing to do.
}
protected void setSecurityPolicy(URL[] bootPath) {
String eclipseSecurity = System.getProperty(PROP_ECLIPSESECURITY);
if (eclipseSecurity != null) {
// setup a policy that grants the launcher and path for the framework AllPermissions.
// Do not set the security manager, this will be done by the framework itself.
ProtectionDomain domain = Main.class.getProtectionDomain();
CodeSource source = null;
if (domain != null)
source = Main.class.getProtectionDomain().getCodeSource();
if (domain == null || source == null) {
log("Can not automatically set the security manager. Please use a policy file."); //$NON-NLS-1$
return;
}
// get the list of codesource URLs to grant AllPermission to
URL[] rootURLs = new URL[bootPath.length + 1];
rootURLs[0] = source.getLocation();
System.arraycopy(bootPath, 0, rootURLs, 1, bootPath.length);
// replace the security policy
Policy eclipsePolicy = new EclipsePolicy(Policy.getPolicy(), rootURLs);
Policy.setPolicy(eclipsePolicy);
}
}
private void invokeFramework(String[] passThruArgs, URL[] bootPath) throws ClassNotFoundException, NoSuchMethodException, IllegalAccessException, Error, Exception, InvocationTargetException {
String type = PARENT_CLASSLOADER_BOOT;
try {
String javaVersion = System.getProperty("java.version"); //$NON-NLS-1$
if (javaVersion != null && new Identifier(javaVersion).isGreaterEqualTo(new Identifier("1.9"))) { //$NON-NLS-1$
// Workaround for bug 466683. Some org.w3c.dom.* packages that used to be available from
// JavaSE's boot classpath are only available from the extension path in Java 9 b62.
// Workaround for bug 489958. javax.annotation.* types are only available from
// JavaSE-9's extension path in Java 9-ea+108. The identifier "1.9" could be changed to "9", but "1.9" works just as well.
type = PARENT_CLASSLOADER_EXT;
}
} catch (SecurityException e) {
// If the security manager won't allow us to get the system property, continue for
// now and let things fail later on their own if necessary.
} catch (NumberFormatException e) {
// If the version string was in a format that we don't understand, continue and
// let things fail later on their own if necessary.
}
type = System.getProperty(PROP_PARENT_CLASSLOADER, type);
type = System.getProperty(PROP_FRAMEWORK_PARENT_CLASSLOADER, type);
ClassLoader parent = null;
if (PARENT_CLASSLOADER_APP.equalsIgnoreCase(type))
parent = ClassLoader.getSystemClassLoader();
else if (PARENT_CLASSLOADER_EXT.equalsIgnoreCase(type)) {
ClassLoader appCL = ClassLoader.getSystemClassLoader();
if (appCL != null)
parent = appCL.getParent();
} else if (PARENT_CLASSLOADER_CURRENT.equalsIgnoreCase(type))
parent = this.getClass().getClassLoader();
URLClassLoader loader = new StartupClassLoader(bootPath, parent);
Class clazz = loader.loadClass(STARTER);
Method method = clazz.getDeclaredMethod("run", String[].class, Runnable.class); //$NON-NLS-1$
try {
method.invoke(clazz, passThruArgs, splashHandler);
} catch (InvocationTargetException e) {
if (e.getTargetException() instanceof Error)
throw (Error) e.getTargetException();
else if (e.getTargetException() instanceof Exception)
throw (Exception) e.getTargetException();
else
//could be a subclass of Throwable!
throw e;
}
}
/**
* Checks whether the given available version is greater or equal to the
* given required version.
* Will set PROP_EXITCODE/PROP_EXITDATA accordingly if check fails.
*
* @return a boolean indicating whether the checking passed
*/
private boolean checkVersion(String availableVersion, String requiredVersion) {
if (requiredVersion == null || availableVersion == null)
return true;
try {
Identifier required = new Identifier(requiredVersion);
Identifier available = new Identifier(availableVersion);
boolean compatible = available.isGreaterEqualTo(required);
if (!compatible) {
// any non-zero value should do it - 14 used to be used for version incompatibility in Eclipse 2.1
System.getProperties().put(PROP_EXITCODE, "14"); //$NON-NLS-1$
System.getProperties().put(PROP_EXITDATA, "Incompatible JVM Version " + availableVersion + " of the JVM is not suitable for this product. Version: " + requiredVersion + " or greater is required."); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
return compatible;
} catch (SecurityException e) {
// If the security manager won't allow us to get the system property, continue for
// now and let things fail later on their own if necessary.
return true;
} catch (NumberFormatException e) {
// If the version string was in a format that we don't understand, continue and
// let things fail later on their own if necessary.
return true;
}
}
/**
* Checks whether the given location can be created and is writable.
* If the system property "osgi.configuration.area.readOnly" is set
* the check always succeeds.
* Will set PROP_EXITCODE/PROP_EXITDATA accordingly if check fails.
*
* @param locationUrl configuration area URL, may be null
* @return a boolean indicating whether the checking passed
*/
private boolean checkConfigurationLocation(URL locationUrl) {
if (locationUrl == null || !"file".equals(locationUrl.getProtocol())) //$NON-NLS-1$
return true;
if (Boolean.valueOf(System.getProperty(PROP_CONFIG_AREA + READ_ONLY_AREA_SUFFIX)).booleanValue()) {
// user wants readonly config area
return true;
}
File configDir = new File(locationUrl.getFile()).getAbsoluteFile();
if (!configDir.exists()) {
configDir.mkdirs();
if (!configDir.exists()) {
System.getProperties().put(PROP_EXITCODE, "15"); //$NON-NLS-1$
System.getProperties().put(PROP_EXITDATA, "Invalid Configuration Location The configuration area at '" + configDir + //$NON-NLS-1$
"' could not be created. Please choose a writable location using the '-configuration' command line option."); //$NON-NLS-1$
return false;
}
}
if (!canWrite(configDir)) {
System.getProperties().put(PROP_EXITCODE, "15"); //$NON-NLS-1$
System.getProperties().put(PROP_EXITDATA, "Invalid Configuration Location The configuration area at '" + configDir + //$NON-NLS-1$
"' is not writable. Please choose a writable location using the '-configuration' command line option."); //$NON-NLS-1$
return false;
}
return true;
}
/**
* Returns a string representation of the given URL String. This converts
* escaped sequences (%..) in the URL into the appropriate characters.
* NOTE: due to class visibility there is a copy of this method
* in InternalBootLoader
*/
protected String decode(String urlString) {
//try to use Java 1.4 method if available
try {
Class clazz = URLDecoder.class;
Method method = clazz.getDeclaredMethod("decode", String.class, String.class); //$NON-NLS-1$
//first encode '+' characters, because URLDecoder incorrectly converts
//them to spaces on certain class library implementations.
if (urlString.indexOf('+') >= 0) {
int len = urlString.length();
StringBuffer buf = new StringBuffer(len);
for (int i = 0; i < len; i++) {
char c = urlString.charAt(i);
if (c == '+')
buf.append("%2B"); //$NON-NLS-1$
else
buf.append(c);
}
urlString = buf.toString();
}
Object result = method.invoke(null, urlString, "UTF-8"); //$NON-NLS-1$
if (result != null)
return (String) result;
} catch (Exception e) {
//JDK 1.4 method not found -- fall through and decode by hand
}
//decode URL by hand
boolean replaced = false;
byte[] encodedBytes = urlString.getBytes();
int encodedLength = encodedBytes.length;
byte[] decodedBytes = new byte[encodedLength];
int decodedLength = 0;
for (int i = 0; i < encodedLength; i++) {
byte b = encodedBytes[i];
if (b == '%') {
if (i + 2 >= encodedLength)
throw new IllegalArgumentException("Malformed URL (\"" + urlString + "\"): % must be followed by 2 digits."); //$NON-NLS-1$//$NON-NLS-2$
byte enc1 = encodedBytes[++i];
byte enc2 = encodedBytes[++i];
b = (byte) ((hexToByte(enc1) << 4) + hexToByte(enc2));
replaced = true;
}
decodedBytes[decodedLength++] = b;
}
if (!replaced)
return urlString;
try {
return new String(decodedBytes, 0, decodedLength, "UTF-8"); //$NON-NLS-1$
} catch (UnsupportedEncodingException e) {
//use default encoding
return new String(decodedBytes, 0, decodedLength);
}
}
/**
* Returns the result of converting a list of comma-separated tokens into an array
*
* @return the array of string tokens
* @param prop the initial comma-separated string
*/
protected String[] getArrayFromList(String prop) {
if (prop == null || prop.trim().equals("")) //$NON-NLS-1$
return new String[0];
Vector list = new Vector();
StringTokenizer tokens = new StringTokenizer(prop, ","); //$NON-NLS-1$
while (tokens.hasMoreTokens()) {
String token = tokens.nextToken().trim();
if (!token.equals("")) //$NON-NLS-1$
list.addElement(token);
}
return list.isEmpty() ? new String[0] : list.toArray(new String[list.size()]);
}
/**
* Returns the URL-based class path describing where the boot classes
* are located when running in development mode.
*
* @return the url-based class path
* @param base the base location
* @exception MalformedURLException if a problem occurs computing the class path
*/
private URL[] getDevPath(URL base) throws IOException {
ArrayList result = new ArrayList(5);
if (inDevelopmentMode)
addDevEntries(base, result, OSGI);
//The jars from the base always need to be added, even when running in dev mode (bug 46772)
addBaseJars(base, result);
return result.toArray(new URL[result.size()]);
}
URL constructURL(URL url, String name) {
//Recognize the following URLs
//url: file:foo/dir/
//url: file:foo/file.jar
String externalForm = url.toExternalForm();
if (externalForm.endsWith(".jar")) { //$NON-NLS-1$
try {
return new URL(JAR_SCHEME + url + "!/" + name); //$NON-NLS-1$
} catch (MalformedURLException e) {
//Ignore
}
}
try {
return new URL(url, name);
} catch (MalformedURLException e) {
//Ignore
return null;
}
}
private void readFrameworkExtensions(URL base, ArrayList result) throws IOException {
String[] extensions = getArrayFromList(System.getProperties().getProperty(PROP_EXTENSIONS));
String parent = new File(base.getFile()).getParent().toString();
ArrayList extensionResults = new ArrayList(extensions.length);
for (int i = 0; i < extensions.length; i++) {
//Search the extension relatively to the osgi plugin
String path = searchForBundle(extensions[i], parent);
if (path == null) {
log("Could not find extension: " + extensions[i]); //$NON-NLS-1$
continue;
}
if (debug)
System.out.println("Loading extension: " + extensions[i]); //$NON-NLS-1$
URL extensionURL = null;
if (installLocation.getProtocol().equals("file")) { //$NON-NLS-1$
extensionResults.add(path);
extensionURL = new File(path).toURL();
} else
extensionURL = new URL(installLocation.getProtocol(), installLocation.getHost(), installLocation.getPort(), path);
//Load a property file of the extension, merge its content, and in case of dev mode add the bin entries
Properties extensionProperties = null;
try {
extensionProperties = loadProperties(constructURL(extensionURL, ECLIPSE_PROPERTIES));
} catch (IOException e) {
if (debug)
System.out.println("\t" + ECLIPSE_PROPERTIES + " not found"); //$NON-NLS-1$ //$NON-NLS-2$
}
String extensionClassPath = null;
if (extensionProperties != null)
extensionClassPath = extensionProperties.getProperty(PROP_CLASSPATH);
else
// this is a "normal" RFC 101 framework extension bundle just put the base path on the classpath
extensionProperties = new Properties();
String[] entries = extensionClassPath == null || extensionClassPath.length() == 0 ? new String[] {""} : getArrayFromList(extensionClassPath); //$NON-NLS-1$
String qualifiedPath;
if (System.getProperty(PROP_CLASSPATH) == null)
qualifiedPath = "."; //$NON-NLS-1$
else
qualifiedPath = ""; //$NON-NLS-1$
for (int j = 0; j < entries.length; j++)
qualifiedPath += ", " + FILE_SCHEME + path + entries[j]; //$NON-NLS-1$
extensionProperties.put(PROP_CLASSPATH, qualifiedPath);
mergeProperties(System.getProperties(), extensionProperties, null);
if (inDevelopmentMode) {
String name = extensions[i];
if (name.startsWith(REFERENCE_SCHEME)) {
// need to extract the BSN from the path
name = new File(path).getName();
// Note that we do not extract any version information.
// We assume the extension is located in the workspace in a project
// that has the same name as the BSN.
// We could add more logic here to support versions in project folder names
// but it will likely be complicated and error prone.
}
addDevEntries(extensionURL, result, name);
}
}
extensionPaths = extensionResults.toArray(new String[extensionResults.size()]);
}
private void addBaseJars(URL base, ArrayList result) throws IOException {
String baseJarList = System.getProperty(PROP_CLASSPATH);
if (baseJarList == null) {
readFrameworkExtensions(base, result);
baseJarList = System.getProperties().getProperty(PROP_CLASSPATH);
}
File fwkFile = new File(base.getFile());
boolean fwkIsDirectory = fwkFile.isDirectory();
//We found where the fwk is, remember it and its shape
if (fwkIsDirectory) {
System.getProperties().put(PROP_FRAMEWORK_SHAPE, "folder");//$NON-NLS-1$
} else {
System.getProperties().put(PROP_FRAMEWORK_SHAPE, "jar");//$NON-NLS-1$
}
String fwkPath = new File(new File(base.getFile()).getParent()).getAbsolutePath();
if (Character.isUpperCase(fwkPath.charAt(0))) {
char[] chars = fwkPath.toCharArray();
chars[0] = Character.toLowerCase(chars[0]);
fwkPath = new String(chars);
}
System.getProperties().put(PROP_FRAMEWORK_SYSPATH, fwkPath);
String[] baseJars = getArrayFromList(baseJarList);
if (baseJars.length == 0) {
if (!inDevelopmentMode && new File(base.getFile()).isDirectory())
throw new IOException("Unable to initialize " + PROP_CLASSPATH); //$NON-NLS-1$
addEntry(base, result);
return;
}
for (int i = 0; i < baseJars.length; i++) {
String string = baseJars[i];
try {
// if the string is a file: URL then *carefully* construct the
// URL. Otherwisejust try to build a URL. In either case, if we fail, use
// string as something to tack on the end of the base.
if (string.equals(".")) { //$NON-NLS-1$
addEntry(base, result);
}
URL url = null;
if (string.startsWith(FILE_SCHEME))
url = new File(string.substring(5)).toURL();
else
url = new URL(string);
addEntry(url, result);
} catch (MalformedURLException e) {
addEntry(new URL(base, string), result);
}
}
}
protected void addEntry(URL url, List result) {
if (new File(url.getFile()).exists())
result.add(url);
}
private void addDevEntries(URL base, List result, String symbolicName) throws MalformedURLException {
if (devClassPathProps == null)
return; // do nothing
String devPathList = devClassPathProps.getProperty(symbolicName);
if (devPathList == null)
devPathList = devClassPathProps.getProperty("*"); //$NON-NLS-1$
String[] locations = getArrayFromList(devPathList);
for (int i = 0; i < locations.length; i++) {
String location = locations[i];
File path = new File(location);
URL url;
if (path.isAbsolute())
url = path.toURL();
else {
// dev path is relative, combine with base location
char lastChar = location.charAt(location.length() - 1);
if ((location.endsWith(".jar") || (lastChar == '/' || lastChar == '\\'))) //$NON-NLS-1$
url = new URL(base, location);
else
url = new URL(base, location + "/"); //$NON-NLS-1$
}
addEntry(url, result);
}
}
/**
* Returns the URL-based class path describing where the boot classes are located.
*
* @return the url-based class path
* @param base the base location
* @exception MalformedURLException if a problem occurs computing the class path
*/
protected URL[] getBootPath(String base) throws IOException {
URL url = null;
if (base != null) {
url = buildURL(base, true);
} else {
// search in the root location
url = getInstallLocation();
String path = new File(url.getFile(), "plugins").toString(); //$NON-NLS-1$
path = searchFor(framework, path);
if (path == null)
throw new RuntimeException("Could not find framework"); //$NON-NLS-1$
if (url.getProtocol().equals("file")) //$NON-NLS-1$
url = new File(path).toURL();
else
url = new URL(url.getProtocol(), url.getHost(), url.getPort(), path);
}
if (System.getProperty(PROP_FRAMEWORK) == null)
System.getProperties().put(PROP_FRAMEWORK, url.toExternalForm());
if (debug)
System.out.println("Framework located:\n " + url.toExternalForm()); //$NON-NLS-1$
// add on any dev path elements
URL[] result = getDevPath(url);
if (debug) {
System.out.println("Framework classpath:"); //$NON-NLS-1$
for (int i = 0; i < result.length; i++)
System.out.println(" " + result[i].toExternalForm()); //$NON-NLS-1$
}
return result;
}
/**
* Searches for the given target directory starting in the "plugins" subdirectory
* of the given location. If one is found then this location is returned;
* otherwise an exception is thrown.
*
* @return the location where target directory was found
* @param start the location to begin searching
*/
protected String searchFor(final String target, String start) {
return searchFor(target, null, start);
}
protected String searchFor(final String target, final String targetSuffix, String start) {
File root = resolveFile(new File(start));
// Note that File.list only gives you file names not the complete path from start
String[] candidates = root.list();
if (candidates == null)
return null;
ArrayList matches = new ArrayList(2);
for (int i = 0; i < candidates.length; i++) {
if (isMatchingCandidate(target, candidates[i], root))
matches.add(candidates[i]);
}
String[] names = matches.toArray(new String[matches.size()]);
int result = findMax(target, names);
if (result == -1)
return null;
File candidate = new File(start, names[result]);
return candidate.getAbsolutePath().replace(File.separatorChar, '/') + (candidate.isDirectory() ? "/" : ""); //$NON-NLS-1$//$NON-NLS-2$
}
private boolean isMatchingCandidate(String target, String candidate, File root) {
if (candidate.equals(target))
return true;
if (!candidate.startsWith(target + "_")) //$NON-NLS-1$
return false;
int targetLength = target.length();
int lastUnderscore = candidate.lastIndexOf('_');
//do we have a second '_', version (foo_1.0.0.v1_123) or id (foo.x86_64) ?
//files are assumed to have an extension (zip or jar only), remove it
//NOTE: we only remove .zip and .jar extensions because we still need to accept libraries with
//simple versions (e.g. eclipse_1234.dll)
File candidateFile = new File(root, candidate);
if (candidateFile.isFile() && (candidate.endsWith(".jar") || candidate.endsWith(".zip"))) { //$NON-NLS-1$//$NON-NLS-2$
int extension = candidate.lastIndexOf('.');
candidate = candidate.substring(0, extension);
}
int lastDot = candidate.lastIndexOf('.');
if (lastDot < targetLength) {
// no dots after target, the '_' is not in a version (foo.x86_64 case), not a match
return false;
}
//get past all '_' that are part of the qualifier
while (lastUnderscore > lastDot)
lastUnderscore = candidate.lastIndexOf('_', lastUnderscore - 1);
if (lastUnderscore == targetLength)
return true; //underscore at the end of target (foo_1.0.0.v1_123 case)
return false; //another underscore between target and version (foo_64_1.0.0.v1_123 case)
}
private String searchForBundle(String target, String start) {
//Only handle "reference:file:" urls, and not simple "file:" because we will be using the jar wherever it is.
if (target.startsWith(REFERENCE_SCHEME)) {
target = target.substring(REFERENCE_SCHEME.length());
if (!target.startsWith(FILE_SCHEME))
throw new IllegalArgumentException("Bundle URL is invalid: " + target); //$NON-NLS-1$
target = target.substring(FILE_SCHEME.length());
File child = new File(target);
File fileLocation = child;
if (!child.isAbsolute()) {
File parent = resolveFile(new File(start));
fileLocation = new File(parent, child.getPath());
}
return searchFor(fileLocation.getName(), fileLocation.getParentFile().getAbsolutePath());
}
return searchFor(target, start);
}
protected int findMax(String prefix, String[] candidates) {
int result = -1;
Object maxVersion = null;
for (int i = 0; i < candidates.length; i++) {
String name = (candidates[i] != null) ? candidates[i] : ""; //$NON-NLS-1$
String version = ""; //$NON-NLS-1$ // Note: directory with version suffix is always > than directory without version suffix
if (prefix == null)
version = name; //webstart just passes in versions
else if (name.startsWith(prefix + "_")) //$NON-NLS-1$
version = name.substring(prefix.length() + 1); //prefix_version
Object currentVersion = getVersionElements(version);
if (maxVersion == null) {
result = i;
maxVersion = currentVersion;
} else {
if (compareVersion((Object[]) maxVersion, (Object[]) currentVersion) < 0) {
result = i;
maxVersion = currentVersion;
}
}
}
return result;
}
/**
* Compares version strings.
* @return result of comparison, as integer;
* <0 if left < right;
* 0 if left == right;
* >0 if left > right;
*/
private int compareVersion(Object[] left, Object[] right) {
int result = ((Integer) left[0]).compareTo((Integer) right[0]); // compare major
if (result != 0)
return result;
result = ((Integer) left[1]).compareTo((Integer) right[1]); // compare minor
if (result != 0)
return result;
result = ((Integer) left[2]).compareTo((Integer) right[2]); // compare service
if (result != 0)
return result;
return ((String) left[3]).compareTo((String) right[3]); // compare qualifier
}
/**
* Do a quick parse of version identifier so its elements can be correctly compared.
* If we are unable to parse the full version, remaining elements are initialized
* with suitable defaults.
* @return an array of size 4; first three elements are of type Integer (representing
* major, minor and service) and the fourth element is of type String (representing
* qualifier). Note, that returning anything else will cause exceptions in the caller.
*/
private Object[] getVersionElements(String version) {
if (version.endsWith(".jar")) //$NON-NLS-1$
version = version.substring(0, version.length() - 4);
Object[] result = {new Integer(0), new Integer(0), new Integer(0), ""}; //$NON-NLS-1$
StringTokenizer t = new StringTokenizer(version, "."); //$NON-NLS-1$
String token;
int i = 0;
while (t.hasMoreTokens() && i < 4) {
token = t.nextToken();
if (i < 3) {
// major, minor or service ... numeric values
try {
result[i++] = new Integer(token);
} catch (Exception e) {
// invalid number format - use default numbers (0) for the rest
break;
}
} else {
// qualifier ... string value
result[i++] = token;
}
}
return result;
}
private static URL buildURL(String spec, boolean trailingSlash) {
if (spec == null)
return null;
if (File.separatorChar == '\\')
spec = spec.trim();
boolean isFile = spec.startsWith(FILE_SCHEME);
try {
if (isFile) {
File toAdjust = new File(spec.substring(5));
toAdjust = resolveFile(toAdjust);
if (toAdjust.isDirectory())
return adjustTrailingSlash(toAdjust.toURL(), trailingSlash);
return toAdjust.toURL();
}
return new URL(spec);
} catch (MalformedURLException e) {
// if we failed and it is a file spec, there is nothing more we can do
// otherwise, try to make the spec into a file URL.
if (isFile)
return null;
try {
File toAdjust = new File(spec);
if (toAdjust.isDirectory())
return adjustTrailingSlash(toAdjust.toURL(), trailingSlash);
return toAdjust.toURL();
} catch (MalformedURLException e1) {
return null;
}
}
}
/**
* Resolve the given file against osgi.install.area.
* If osgi.install.area is not set, or the file is not relative, then
* the file is returned as is.
*/
private static File resolveFile(File toAdjust) {
if (!toAdjust.isAbsolute()) {
String installArea = System.getProperties().getProperty(PROP_INSTALL_AREA);
if (installArea != null) {
if (installArea.startsWith(FILE_SCHEME))
toAdjust = new File(installArea.substring(5), toAdjust.getPath());
else if (new File(installArea).exists())
toAdjust = new File(installArea, toAdjust.getPath());
}
}
return toAdjust;
}
private static URL adjustTrailingSlash(URL url, boolean trailingSlash) throws MalformedURLException {
String file = url.getFile();
if (trailingSlash == (file.endsWith("/"))) //$NON-NLS-1$
return url;
file = trailingSlash ? file + "/" : file.substring(0, file.length() - 1); //$NON-NLS-1$
return new URL(url.getProtocol(), url.getHost(), file);
}
private URL buildLocation(String property, URL defaultLocation, String userDefaultAppendage) {
URL result = null;
String location = System.getProperty(property);
System.getProperties().remove(property);
// if the instance location is not set, predict where the workspace will be and
// put the instance area inside the workspace meta area.
try {
if (location == null)
result = defaultLocation;
else if (location.equalsIgnoreCase(NONE))
return null;
else if (location.equalsIgnoreCase(NO_DEFAULT))
result = buildURL(location, true);
else {
if (location.startsWith(USER_HOME)) {
String base = substituteVar(location, USER_HOME, PROP_USER_HOME);
location = new File(base, userDefaultAppendage).getAbsolutePath();
} else if (location.startsWith(USER_DIR)) {
String base = substituteVar(location, USER_DIR, PROP_USER_DIR);
location = new File(base, userDefaultAppendage).getAbsolutePath();
}
int idx = location.indexOf(INSTALL_HASH_PLACEHOLDER);
if (idx == 0) {
throw new RuntimeException("The location cannot start with '" + INSTALL_HASH_PLACEHOLDER + "': " + location); //$NON-NLS-1$ //$NON-NLS-2$
} else if (idx > 0) {
location = location.substring(0, idx) + getInstallDirHash() + location.substring(idx + INSTALL_HASH_PLACEHOLDER.length());
}
result = buildURL(location, true);
}
} finally {
if (result != null)
System.getProperties().put(property, result.toExternalForm());
}
return result;
}
private String substituteVar(String source, String var, String prop) {
String value = System.getProperty(prop, ""); //$NON-NLS-1$
return value + source.substring(var.length());
}
/**
* Retuns the default file system path for the configuration location.
* By default the configuration information is in the installation directory
* if this is writeable. Otherwise it is located somewhere in the user.home
* area relative to the current product.
* @return the default file system path for the configuration information
*/
private String computeDefaultConfigurationLocation() {
// 1) We store the config state relative to the 'eclipse' directory if possible
// 2) If this directory is read-only
// we store the state in /.eclipse/_ where
// is unique for each local user, and is the one
// defined in .eclipseproduct marker file. If .eclipseproduct does not
// exist, use "eclipse" as the application-id.
URL install = getInstallLocation();
if (protectBase) {
return computeDefaultUserAreaLocation(CONFIG_DIR);
}
// TODO a little dangerous here. Basically we have to assume that it is a file URL.
if (install.getProtocol().equals("file")) { //$NON-NLS-1$
File installDir = new File(install.getFile());
if (canWrite(installDir))
return installDir.getAbsolutePath() + File.separator + CONFIG_DIR;
}
// We can't write in the eclipse install dir so try for some place in the user's home dir
return computeDefaultUserAreaLocation(CONFIG_DIR);
}
private static boolean canWrite(File installDir) {
if (installDir.canWrite() == false)
return false;
if (!installDir.isDirectory())
return false;
File fileTest = null;
try {
// we use the .dll suffix to properly test on Vista virtual directories
// on Vista you are not allowed to write executable files on virtual directories like "Program Files"
fileTest = File.createTempFile("writtableArea", ".dll", installDir); //$NON-NLS-1$ //$NON-NLS-2$
} catch (IOException e) {
//If an exception occured while trying to create the file, it means that it is not writtable
return false;
} finally {
if (fileTest != null)
fileTest.delete();
}
return true;
}
/**
* Returns a files system path for an area in the user.home region related to the
* current product. The given appendage is added to this base location
* @param pathAppendage the path segments to add to computed base
* @return a file system location in the user.home area related the the current
* product and the given appendage
*/
private String computeDefaultUserAreaLocation(String pathAppendage) {
// we store the state in /.eclipse/_ where
// is unique for each local user, and is the one
// defined in .eclipseproduct marker file. If .eclipseproduct does not
// exist, use "eclipse" as the application-id.
URL installURL = getInstallLocation();
if (installURL == null)
return null;
File installDir = new File(installURL.getFile());
String installDirHash = getInstallDirHash();
if (protectBase && Constants.OS_MACOSX.equals(os)) {
initializeBridgeEarly();
String macConfiguration = computeConfigurationLocationForMacOS();
if (macConfiguration != null) {
return macConfiguration;
}
if (debug)
System.out.println("Computation of Mac specific configuration folder failed."); //$NON-NLS-1$
}
String appName = "." + ECLIPSE; //$NON-NLS-1$
File eclipseProduct = new File(installDir, PRODUCT_SITE_MARKER);
if (eclipseProduct.exists()) {
Properties props = new Properties();
try {
props.load(new FileInputStream(eclipseProduct));
String appId = props.getProperty(PRODUCT_SITE_ID);
if (appId == null || appId.trim().length() == 0)
appId = ECLIPSE;
String appVersion = props.getProperty(PRODUCT_SITE_VERSION);
if (appVersion == null || appVersion.trim().length() == 0)
appVersion = ""; //$NON-NLS-1$
appName += File.separator + appId + "_" + appVersion + "_" + installDirHash; //$NON-NLS-1$ //$NON-NLS-2$
} catch (IOException e) {
// Do nothing if we get an exception. We will default to a standard location
// in the user's home dir.
// add the hash to help prevent collisions
appName += File.separator + installDirHash;
}
} else {
// add the hash to help prevent collisions
appName += File.separator + installDirHash;
}
appName += '_' + OS_WS_ARCHToString();
String userHome = System.getProperty(PROP_USER_HOME);
return new File(userHome, appName + "/" + pathAppendage).getAbsolutePath(); //$NON-NLS-1$
}
private String computeConfigurationLocationForMacOS() {
if (bridge != null) {
String folder = bridge.getOSRecommendedFolder();
if (debug)
System.out.println("App folder provided by MacOS is: " + folder); //$NON-NLS-1$
if (folder != null)
return folder + '/' + CONFIG_DIR;
}
return null;
}
private String OS_WS_ARCHToString() {
return getOS() + '_' + getWS() + '_' + getArch();
}
private void initializeBridgeEarly() {
setupJNI(null);
}
/**
* Return hash code identifying an absolute installation path
* @return hash code as String
*/
private String getInstallDirHash() {
// compute an install dir hash to prevent configuration area collisions with other eclipse installs
URL installURL = getInstallLocation();
if (installURL == null)
return ""; //$NON-NLS-1$
File installDir = new File(installURL.getFile());
int hashCode;
try {
hashCode = installDir.getCanonicalPath().hashCode();
} catch (IOException ioe) {
// fall back to absolute path
hashCode = installDir.getAbsolutePath().hashCode();
}
if (hashCode < 0)
hashCode = -(hashCode);
String installDirHash = String.valueOf(hashCode);
return installDirHash;
}
/**
* Runs this launcher with the arguments specified in the given string.
*
* @param argString the arguments string
*/
public static void main(String argString) {
Vector list = new Vector(5);
for (StringTokenizer tokens = new StringTokenizer(argString, " "); tokens.hasMoreElements();) //$NON-NLS-1$
list.addElement(tokens.nextToken());
main(list.toArray(new String[list.size()]));
}
/**
* Runs the platform with the given arguments. The arguments must identify
* an application to run (e.g., -application com.example.application).
* After running the application System.exit(N) is executed.
* The value of N is derived from the value returned from running the application.
* If the application's return value is an Integer, N is this value.
* In all other cases, N = 0.
*
* Clients wishing to run the platform without a following System.exit
* call should use run().
*
*
* @param args the command line arguments
* @see #run(String[])
*/
public static void main(String[] args) {
int result = 0;
try {
result = new Main().run(args);
} catch (Throwable t) {
// This is *really* unlikely to happen - run() takes care of exceptional situations.
// In case something weird happens, just dump stack - logging is not available at this point
t.printStackTrace();
} finally {
// If the return code is 23, that means that Equinox requested a restart.
// In order to distinguish the request for a restart, do a System.exit(23)
// no matter of 'osgi.noShutdown' runtime property value.
if (!Boolean.getBoolean(PROP_NOSHUTDOWN) || result == 23)
// make sure we always terminate the VM
System.exit(result);
}
}
/**
* Runs the platform with the given arguments. The arguments must identify
* an application to run (e.g., -application com.example.application).
* Returns the value returned from running the application.
* If the application's return value is an Integer, N is this value.
* In all other cases, N = 0.
*
* @param args the command line arguments
*/
public int run(String[] args) {
int result = 0;
try {
basicRun(args);
String exitCode = System.getProperty(PROP_EXITCODE);
try {
result = exitCode == null ? 0 : Integer.parseInt(exitCode);
} catch (NumberFormatException e) {
result = 17;
}
} catch (Throwable e) {
// only log the exceptions if they have not been caught by the
// EclipseStarter (i.e., if the exitCode is not 13)
if (!"13".equals(System.getProperty(PROP_EXITCODE))) { //$NON-NLS-1$
log("Exception launching the Eclipse Platform:"); //$NON-NLS-1$
log(e);
String message = "An error has occurred"; //$NON-NLS-1$
if (logFile == null)
message += " and could not be logged: \n" + e.getMessage(); //$NON-NLS-1$
else
message += ". See the log file\n" + logFile.getAbsolutePath(); //$NON-NLS-1$
System.getProperties().put(PROP_EXITDATA, message);
} else {
// we have an exit code of 13, in most cases the user tries to start a 32/64 bit Eclipse
// on a 64/32 bit Eclipse
log("Are you trying to start an 64/32-bit Eclipse on a 32/64-JVM? These must be the same, as Eclipse uses native code.");
}
// Return "unlucky" 13 as the exit code. The executable will recognize
// this constant and display a message to the user telling them that
// there is information in their log file.
result = 13;
} finally {
// always try putting down the splash screen just in case the application failed to do so
takeDownSplash();
if (bridge != null)
bridge.uninitialize();
}
// Return an int exit code and ensure the system property is set.
System.getProperties().put(PROP_EXITCODE, Integer.toString(result));
setExitData();
return result;
}
private void setExitData() {
String data = System.getProperty(PROP_EXITDATA);
if (data == null)
return;
//if the bridge is null then we have nothing to send the data to;
//exitData is a shared memory id, if we loaded the library from java, we need a non-null exitData
//if the executable loaded the library, then we don't need the exitData id
if (bridge == null || (bridge.isLibraryLoadedByJava() && exitData == null))
System.out.println(data);
else
bridge.setExitData(exitData, data);
}
/**
* Processes the command line arguments. The general principle is to NOT
* consume the arguments and leave them to be processed by Eclipse proper.
* There are a few args which are directed towards main() and a few others
* which we need to know about. Very few should actually be consumed here.
*
* @return the arguments to pass through to the launched application
* @param args the command line arguments
*/
protected String[] processCommandLine(String[] args) {
if (args.length == 0)
return args;
int[] configArgs = new int[args.length];
configArgs[0] = -1; // need to initialize the first element to something that could not be an index.
int configArgIndex = 0;
for (int i = 0; i < args.length; i++) {
boolean found = false;
// check for args without parameters (i.e., a flag arg)
// check if debug should be enabled for the entire platform
if (args[i].equalsIgnoreCase(DEBUG)) {
debug = true;
// passed thru this arg (i.e., do not set found = true)
continue;
}
// look for and consume the nosplash directive. This supercedes any
// -showsplash command that might be present.
if (args[i].equalsIgnoreCase(NOSPLASH)) {
splashDown = true;
found = true;
}
if (args[i].equalsIgnoreCase(NOEXIT)) {
System.getProperties().put(PROP_NOSHUTDOWN, "true"); //$NON-NLS-1$
found = true;
}
//just consume the --launcher.overrideVmargs and --launcher.appendVmargs
if (args[i].equalsIgnoreCase(APPEND_VMARGS) || args[i].equalsIgnoreCase(OVERRIDE_VMARGS)) {
found = true;
}
// check if this is initialization pass
if (args[i].equalsIgnoreCase(INITIALIZE)) {
initialize = true;
// passed thru this arg (i.e., do not set found = true)
continue;
}
// check if development mode should be enabled for the entire platform
// If this is the last arg or there is a following arg (i.e., arg+1 has a leading -),
// simply enable development mode. Otherwise, assume that that the following arg is
// actually some additional development time class path entries. This will be processed below.
if (args[i].equalsIgnoreCase(DEV) && ((i + 1 == args.length) || ((i + 1 < args.length) && (args[i + 1].startsWith("-"))))) { //$NON-NLS-1$
inDevelopmentMode = true;
// do not mark the arg as found so it will be passed through
continue;
}
// look for the command to use to show the splash screen
if (args[i].equalsIgnoreCase(SHOWSPLASH)) {
showSplash = true;
found = true;
//consume optional parameter for showsplash
if (i + 1 < args.length && !args[i + 1].startsWith("-")) { //$NON-NLS-1$
configArgs[configArgIndex++] = i++;
splashLocation = args[i];
}
}
// look for the command to use to show the splash screen
if (args[i].equalsIgnoreCase(PROTECT)) {
found = true;
//consume next parameter
configArgs[configArgIndex++] = i++;
if (args[i].equalsIgnoreCase(PROTECT_MASTER) || args[i].equalsIgnoreCase(PROTECT_BASE)) {
protectBase = true;
}
}
// done checking for args. Remember where an arg was found
if (found) {
configArgs[configArgIndex++] = i;
continue;
}
// look for the VM args arg. We have to do that before looking to see
// if the next element is a -arg as the thing following -vmargs may in
// fact be another -arg.
if (args[i].equalsIgnoreCase(VMARGS)) {
// consume the -vmargs arg itself
args[i] = null;
i++;
vmargs = new String[args.length - i];
for (int j = 0; i < args.length; i++) {
vmargs[j++] = args[i];
args[i] = null;
}
continue;
}
// check for args with parameters. If we are at the last argument or if the next one
// has a '-' as the first character, then we can't have an arg with a parm so continue.
if (i == args.length - 1 || args[i + 1].startsWith("-")) //$NON-NLS-1$
continue;
String arg = args[++i];
// look for the development mode and class path entries.
if (args[i - 1].equalsIgnoreCase(DEV)) {
inDevelopmentMode = true;
devClassPathProps = processDevArg(arg);
if (devClassPathProps != null) {
devClassPath = devClassPathProps.getProperty(OSGI);
if (devClassPath == null)
devClassPath = devClassPathProps.getProperty("*"); //$NON-NLS-1$
}
continue;
}
// look for the framework to run
if (args[i - 1].equalsIgnoreCase(FRAMEWORK)) {
framework = arg;
found = true;
}
if (args[i - 1].equalsIgnoreCase(OS)) {
os = arg;
// passed thru this arg
continue;
}
if (args[i - 1].equalsIgnoreCase(WS)) {
ws = arg;
continue;
}
if (args[i - 1].equalsIgnoreCase(ARCH)) {
arch = arg;
continue;
}
// look for explicitly set install root
// Consume the arg here to ensure that the launcher and Eclipse get the
// same value as each other.
if (args[i - 1].equalsIgnoreCase(INSTALL)) {
System.getProperties().put(PROP_INSTALL_AREA, arg);
found = true;
}
// look for the configuration to use.
// Consume the arg here to ensure that the launcher and Eclipse get the
// same value as each other.
if (args[i - 1].equalsIgnoreCase(CONFIGURATION)) {
System.getProperties().put(PROP_CONFIG_AREA, arg);
found = true;
}
if (args[i - 1].equalsIgnoreCase(EXITDATA)) {
exitData = arg;
found = true;
}
// look for the name to use by the launcher
if (args[i - 1].equalsIgnoreCase(NAME)) {
System.getProperties().put(PROP_LAUNCHER_NAME, arg);
found = true;
}
// look for the startup jar used
if (args[i - 1].equalsIgnoreCase(STARTUP)) {
//not doing anything with this right now, but still consume it
//startup = arg;
found = true;
}
// look for the launcher location
if (args[i - 1].equalsIgnoreCase(LAUNCHER)) {
//not doing anything with this right now, but still consume it
//launcher = arg;
System.getProperties().put(PROP_LAUNCHER, arg);
found = true;
}
if (args[i - 1].equalsIgnoreCase(LIBRARY)) {
library = arg;
found = true;
}
// look for the command to use to end the splash screen
if (args[i - 1].equalsIgnoreCase(ENDSPLASH)) {
endSplash = arg;
found = true;
}
// look for the VM location arg
if (args[i - 1].equalsIgnoreCase(VM)) {
vm = arg;
found = true;
}
//look for the nl setting
if (args[i - 1].equalsIgnoreCase(NL)) {
System.getProperties().put(PROP_NL, arg);
found = true;
}
// done checking for args. Remember where an arg was found
if (found) {
configArgs[configArgIndex++] = i - 1;
configArgs[configArgIndex++] = i;
}
}
// remove all the arguments consumed by this argument parsing
String[] passThruArgs = new String[args.length - configArgIndex - (vmargs == null ? 0 : vmargs.length + 1)];
configArgIndex = 0;
int j = 0;
for (int i = 0; i < args.length; i++) {
if (i == configArgs[configArgIndex])
configArgIndex++;
else if (args[i] != null)
passThruArgs[j++] = args[i];
}
return passThruArgs;
}
private Properties processDevArg(String arg) {
if (arg == null)
return null;
try {
URL location = new URL(arg);
return load(location, null);
} catch (MalformedURLException e) {
// the arg was not a URL so use it as is.
Properties result = new Properties();
result.put("*", arg); //$NON-NLS-1$
return result;
} catch (IOException e) {
// TODO consider logging here
return null;
}
}
private URL getConfigurationLocation() {
if (configurationLocation != null)
return configurationLocation;
configurationLocation = buildLocation(PROP_CONFIG_AREA, null, ""); //$NON-NLS-1$
if (configurationLocation == null) {
configurationLocation = buildLocation(PROP_CONFIG_AREA_DEFAULT, null, ""); //$NON-NLS-1$
if (configurationLocation == null)
configurationLocation = buildURL(computeDefaultConfigurationLocation(), true);
}
if (configurationLocation != null)
System.getProperties().put(PROP_CONFIG_AREA, configurationLocation.toExternalForm());
if (debug)
System.out.println("Configuration location:\n " + configurationLocation); //$NON-NLS-1$
return configurationLocation;
}
private void processConfiguration() {
// if the configuration area is not already defined, discover the config area by
// trying to find a base config area. This is either defined in a system property or
// is computed relative to the install location.
// Note that the config info read here is only used to determine a value
// for the user configuration area
URL baseConfigurationLocation = null;
Properties baseConfiguration = null;
if (System.getProperty(PROP_CONFIG_AREA) == null) {
ensureAbsolute(PROP_BASE_CONFIG_AREA);
String baseLocation = System.getProperty(PROP_BASE_CONFIG_AREA);
if (baseLocation != null)
// here the base config cannot have any symbolic (e..g, @xxx) entries. It must just
// point to the config file.
baseConfigurationLocation = buildURL(baseLocation, true);
if (baseConfigurationLocation == null)
try {
// here we access the install location but this is very early. This case will only happen if
// the config area is not set and the base config area is not set (or is bogus).
// In this case we compute based on the install location.
baseConfigurationLocation = new URL(getInstallLocation(), CONFIG_DIR);
} catch (MalformedURLException e) {
// leave baseConfigurationLocation null
}
baseConfiguration = loadConfiguration(baseConfigurationLocation);
if (baseConfiguration != null) {
// if the base sets the install area then use that value if the property. We know the
// property is not already set.
String location = baseConfiguration.getProperty(PROP_CONFIG_AREA);
if (location != null)
System.getProperties().put(PROP_CONFIG_AREA, location);
// if the base sets the install area then use that value if the property is not already set.
// This helps in selfhosting cases where you cannot easily compute the install location
// from the code base.
location = baseConfiguration.getProperty(PROP_INSTALL_AREA);
if (location != null && System.getProperty(PROP_INSTALL_AREA) == null)
System.getProperties().put(PROP_INSTALL_AREA, location);
}
}
// Now we know where the base configuration is supposed to be. Go ahead and load
// it and merge into the System properties. Then, if cascaded, read the parent configuration.
// Note that in a cascaded situation, the user configuration may be ignored if the parent
// configuration has changed since the user configuration has been written.
// Note that the parent may or may not be the same parent as we read above since the
// base can define its parent. The first parent we read was either defined by the user
// on the command line or was the one in the install dir.
// if the config or parent we are about to read is the same as the base config we read above,
// just reuse the base
Properties configuration = baseConfiguration;
if (configuration == null || !getConfigurationLocation().equals(baseConfigurationLocation))
configuration = loadConfiguration(getConfigurationLocation());
if (configuration != null && "false".equalsIgnoreCase(configuration.getProperty(PROP_CONFIG_CASCADED))) { //$NON-NLS-1$
System.getProperties().remove(PROP_SHARED_CONFIG_AREA);
configuration.remove(PROP_SHARED_CONFIG_AREA);
mergeProperties(System.getProperties(), configuration, null);
} else {
ensureAbsolute(PROP_SHARED_CONFIG_AREA);
URL sharedConfigURL = buildLocation(PROP_SHARED_CONFIG_AREA, null, ""); //$NON-NLS-1$
if (sharedConfigURL == null)
try {
// there is no shared config value so compute one
sharedConfigURL = new URL(getInstallLocation(), CONFIG_DIR);
} catch (MalformedURLException e) {
// leave sharedConfigurationLocation null
}
// if the parent location is different from the config location, read it too.
if (sharedConfigURL != null) {
if (sharedConfigURL.equals(getConfigurationLocation())) {
//After all we are not in a shared configuration setup.
// - remove the property to show that we do not have a parent
// - merge configuration with the system properties
System.getProperties().remove(PROP_SHARED_CONFIG_AREA);
mergeProperties(System.getProperties(), configuration, null);
} else {
// if the parent we are about to read is the same as the base config we read above,
// just reuse the base
Properties sharedConfiguration = baseConfiguration;
if (!sharedConfigURL.equals(baseConfigurationLocation)) {
sharedConfiguration = loadConfiguration(sharedConfigURL);
}
long sharedConfigTimestamp = getCurrentConfigIniBaseTimestamp(sharedConfigURL);
long lastKnownBaseTimestamp = getLastKnownConfigIniBaseTimestamp();
if (debug)
System.out.println("Timestamps found: \n\t config.ini in the base: " + sharedConfigTimestamp + "\n\t remembered " + lastKnownBaseTimestamp); //$NON-NLS-1$ //$NON-NLS-2$
//merge user configuration since the base has not changed.
if (lastKnownBaseTimestamp == sharedConfigTimestamp || lastKnownBaseTimestamp == NO_TIMESTAMP) {
mergeProperties(System.getProperties(), configuration, null);
} else {
configuration = null;
System.setProperty(PROP_IGNORE_USER_CONFIGURATION, Boolean.TRUE.toString());
}
//now merge the base configuration
mergeProperties(System.getProperties(), sharedConfiguration, configuration);
System.getProperties().put(PROP_SHARED_CONFIG_AREA, sharedConfigURL.toExternalForm());
if (debug)
System.out.println("Shared configuration location:\n " + sharedConfigURL.toExternalForm()); //$NON-NLS-1$
}
}
}
// setup the path to the framework
String urlString = System.getProperty(PROP_FRAMEWORK, null);
if (urlString != null) {
urlString = resolve(urlString);
//ensure that the install location is set before resolving framework
getInstallLocation();
URL url = buildURL(urlString, true);
urlString = url.toExternalForm();
System.getProperties().put(PROP_FRAMEWORK, urlString);
bootLocation = urlString;
}
}
private long getCurrentConfigIniBaseTimestamp(URL url) {
try {
url = new URL(url, CONFIG_FILE);
} catch (MalformedURLException e1) {
return NO_TIMESTAMP;
}
URLConnection connection = null;
try {
connection = url.openConnection();
} catch (IOException e) {
return NO_TIMESTAMP;
}
return connection.getLastModified();
}
//Get the timestamp that has been remembered. The BASE_TIMESTAMP_FILE_CONFIGINI is written at provisioning time by fwkAdmin.
private long getLastKnownConfigIniBaseTimestamp() {
if (debug)
System.out.println("Loading timestamp file from:\n\t " + getConfigurationLocation() + " " + BASE_TIMESTAMP_FILE_CONFIGINI); //$NON-NLS-1$ //$NON-NLS-2$
Properties result;
try {
result = load(getConfigurationLocation(), BASE_TIMESTAMP_FILE_CONFIGINI);
} catch (IOException e) {
if (debug)
System.out.println("\tNo timestamp file found"); //$NON-NLS-1$
return NO_TIMESTAMP;
}
String timestamp = result.getProperty(KEY_CONFIGINI_TIMESTAMP);
return Long.parseLong(timestamp);
}
/**
* Ensures the value for a system property is an absolute URL. Relative URLs are translated to
* absolute URLs by taking the install URL as reference.
*
* @param locationProperty the key for a system property containing a URL
*/
private void ensureAbsolute(String locationProperty) {
String propertyValue = System.getProperty(locationProperty);
if (propertyValue == null)
// property not defined
return;
URL locationURL = null;
try {
locationURL = new URL(propertyValue);
} catch (MalformedURLException e) {
// property is not a valid URL
return;
}
String locationPath = locationURL.getPath();
if (locationPath.startsWith("/")) //$NON-NLS-1$
// property value is absolute
return;
URL installURL = getInstallLocation();
if (!locationURL.getProtocol().equals(installURL.getProtocol()))
// not same protocol
return;
try {
URL absoluteURL = new URL(installURL, locationPath);
System.getProperties().put(locationProperty, absoluteURL.toExternalForm());
} catch (MalformedURLException e) {
// should not happen - the relative URL is known to be valid
}
}
/**
* Returns url of the location this class was loaded from
*/
private URL getInstallLocation() {
if (installLocation != null)
return installLocation;
// value is not set so compute the default and set the value
String installArea = System.getProperty(PROP_INSTALL_AREA);
if (installArea != null) {
installLocation = buildURL(installArea, true);
if (installLocation == null)
throw new IllegalStateException("Install location is invalid: " + installArea); //$NON-NLS-1$
System.getProperties().put(PROP_INSTALL_AREA, installLocation.toExternalForm());
if (debug)
System.out.println("Install location:\n " + installLocation); //$NON-NLS-1$
return installLocation;
}
ProtectionDomain domain = Main.class.getProtectionDomain();
CodeSource source = null;
URL result = null;
if (domain != null)
source = domain.getCodeSource();
if (source == null || domain == null) {
if (debug)
System.out.println("CodeSource location is null. Defaulting the install location to file:startup.jar"); //$NON-NLS-1$
try {
result = new URL("file:startup.jar"); //$NON-NLS-1$
} catch (MalformedURLException e2) {
//Ignore
}
}
if (source != null)
result = source.getLocation();
String path = decode(result.getFile());
// normalize to not have leading / so we can check the form
File file = new File(path);
path = file.toString().replace('\\', '/');
// TODO need a better test for windows
// If on Windows then canonicalize the drive letter to be lowercase.
// remember that there may be UNC paths
if (File.separatorChar == '\\')
if (Character.isUpperCase(path.charAt(0))) {
char[] chars = path.toCharArray();
chars[0] = Character.toLowerCase(chars[0]);
path = new String(chars);
}
if (path.toLowerCase().endsWith(".jar")) //$NON-NLS-1$
path = path.substring(0, path.lastIndexOf("/") + 1); //$NON-NLS-1$
if (path.toLowerCase().endsWith("/plugins/")) //$NON-NLS-1$
path = path.substring(0, path.length() - "/plugins/".length()); //$NON-NLS-1$
try {
try {
// create a file URL (via File) to normalize the form (e.g., put
// the leading / on if necessary)
path = new File(path).toURL().getFile();
} catch (MalformedURLException e1) {
// will never happen. The path is straight from a URL.
}
installLocation = new URL(result.getProtocol(), result.getHost(), result.getPort(), path);
System.getProperties().put(PROP_INSTALL_AREA, installLocation.toExternalForm());
} catch (MalformedURLException e) {
// TODO Very unlikely case. log here.
}
if (debug)
System.out.println("Install location:\n " + installLocation); //$NON-NLS-1$
return installLocation;
}
/*
* Load the given configuration file
*/
private Properties loadConfiguration(URL url) {
Properties result = null;
try {
url = new URL(url, CONFIG_FILE);
} catch (MalformedURLException e) {
return null;
}
try {
if (debug)
System.out.print("Configuration file:\n " + url.toString()); //$NON-NLS-1$
result = loadProperties(url);
if (debug)
System.out.println(" loaded"); //$NON-NLS-1$
} catch (IOException e) {
if (debug)
System.out.println(" not found or not read"); //$NON-NLS-1$
}
return substituteVars(result);
}
private Properties loadProperties(URL url) throws IOException {
// try to load saved configuration file (watch for failed prior save())
if (url == null)
return null;
Properties result = null;
IOException originalException = null;
try {
result = load(url, null); // try to load config file
} catch (IOException e1) {
originalException = e1;
try {
result = load(url, CONFIG_FILE_TEMP_SUFFIX); // check for failures on save
} catch (IOException e2) {
try {
result = load(url, CONFIG_FILE_BAK_SUFFIX); // check for failures on save
} catch (IOException e3) {
throw originalException; // we tried, but no config here ...
}
}
}
return result;
}
/*
* Load the configuration
*/
private Properties load(URL url, String suffix) throws IOException {
// figure out what we will be loading
if (suffix != null && !suffix.equals("")) //$NON-NLS-1$
url = new URL(url.getProtocol(), url.getHost(), url.getPort(), url.getFile() + suffix);
// try to load saved configuration file
Properties props = new Properties();
InputStream is = null;
try {
is = getStream(url);
props.load(is);
} finally {
if (is != null)
try {
is.close();
} catch (IOException e) {
//ignore failure to close
}
}
return props;
}
private InputStream getStream(URL location) throws IOException {
if ("file".equalsIgnoreCase(location.getProtocol())) { //$NON-NLS-1$
// this is done to handle URLs with invalid syntax in the path
File f = new File(location.getPath());
if (f.exists()) {
return new FileInputStream(f);
}
}
return location.openStream();
}
/*
* Handle splash screen.
* The splash screen is displayed natively. Whether or not the splash screen
* was displayed by the launcher, we invoke JNIBridge.showSplash() and the
* native code handles the case of the splash screen already existing.
*
* The -showsplash argument may indicate the bitmap used by the native launcher,
* or the bitmap location may be extracted from the config.ini
*
* We pass a handler (Runnable) to the platform which is called as a result of the
* launched application calling Platform.endSplash(). This handle calls
* JNIBridge.takeDownSplash and the native code will close the splash screen.
*
* The -endsplash argument is longer used and has the same result as -nosplash
*
* @param defaultPath search path for the boot plugin
*/
private void handleSplash(URL[] defaultPath) {
// run without splash if we are initializing or nosplash
// was specified (splashdown = true)
if (initialize || splashDown || bridge == null) {
showSplash = false;
endSplash = null;
return;
}
if (showSplash || endSplash != null) {
// Register the endSplashHandler to be run at VM shutdown. This hook will be
// removed once the splash screen has been taken down.
try {
Runtime.getRuntime().addShutdownHook(splashHandler);
} catch (Throwable ex) {
// Best effort to register the handler
}
}
// if -endsplash is specified, use it and ignore any -showsplash command
if (endSplash != null) {
showSplash = false;
return;
}
// check if we are running without a splash screen
if (!showSplash)
return;
// determine the splash location
splashLocation = getSplashLocation(defaultPath);
if (debug)
System.out.println("Splash location:\n " + splashLocation); //$NON-NLS-1$
if (splashLocation == null)
return;
bridge.setLauncherInfo(System.getProperty(PROP_LAUNCHER), System.getProperty(PROP_LAUNCHER_NAME));
bridge.showSplash(splashLocation);
long handle = bridge.getSplashHandle();
if (handle != 0 && handle != -1) {
System.getProperties().put(SPLASH_HANDLE, String.valueOf(handle));
System.getProperties().put(SPLASH_LOCATION, splashLocation);
bridge.updateSplash();
} else {
// couldn't show the splash screen for some reason
splashDown = true;
}
}
/*
* Take down the splash screen.
*/
protected void takeDownSplash() {
if (splashDown || bridge == null) // splash is already down
return;
splashDown = bridge.takeDownSplash();
System.getProperties().remove(SPLASH_HANDLE);
try {
Runtime.getRuntime().removeShutdownHook(splashHandler);
} catch (Throwable e) {
// OK to ignore this, happens when the VM is already shutting down
}
}
/*
* Return path of the splash image to use. First search the defined splash path.
* If that does not work, look for a default splash. Currently the splash must be in the file system
* so the return value here is the file system path.
*/
private String getSplashLocation(URL[] bootPath) {
//check the path passed in from -showsplash first. The old launcher passed a timeout value
//as the argument, so only use it if it isn't a number and the file exists.
if (splashLocation != null && !Character.isDigit(splashLocation.charAt(0)) && new File(splashLocation).exists()) {
System.getProperties().put(PROP_SPLASHLOCATION, splashLocation);
return splashLocation;
}
String result = System.getProperty(PROP_SPLASHLOCATION);
if (result != null)
return result;
String splashPath = System.getProperty(PROP_SPLASHPATH);
if (splashPath != null) {
String[] entries = getArrayFromList(splashPath);
ArrayList path = new ArrayList(entries.length);
for (int i = 0; i < entries.length; i++) {
String entry = resolve(entries[i]);
if (entry != null && entry.startsWith(FILE_SCHEME)) {
File entryFile = new File(entry.substring(5).replace('/', File.separatorChar));
entry = searchFor(entryFile.getName(), entryFile.getParent());
if (entry != null)
path.add(entry);
} else
log("Invalid splash path entry: " + entries[i]); //$NON-NLS-1$
}
// see if we can get a splash given the splash path
result = searchForSplash(path.toArray(new String[path.size()]));
if (result != null) {
System.getProperties().put(PROP_SPLASHLOCATION, result);
return result;
}
}
return result;
}
/*
* Do a locale-sensitive lookup of splash image
*/
private String searchForSplash(String[] searchPath) {
if (searchPath == null)
return null;
// Get the splash screen for the specified locale
String locale = (String) System.getProperties().get(PROP_NL);
if (locale == null)
locale = Locale.getDefault().toString();
String[] nlVariants = buildNLVariants(locale);
for (int i = 0; i < nlVariants.length; i++) {
for (int j = 0; j < searchPath.length; j++) {
String path = searchPath[j];
if (path.startsWith(FILE_SCHEME))
path = path.substring(5);
// do we have a JAR?
if (isJAR(path)) {
String result = extractFromJAR(path, nlVariants[i]);
if (result != null)
return result;
} else {
// we have a file or a directory
if (!path.endsWith(File.separator))
path += File.separator;
path += nlVariants[i];
File result = new File(path);
if (result.exists())
return result.getAbsolutePath(); // return the first match found [20063]
}
}
}
// sorry, could not find splash image
return null;
}
/**
* Transfers all available bytes from the given input stream to the given output stream.
* Regardless of failure, this method closes both streams.
*/
private static void transferStreams(InputStream source, OutputStream destination) {
byte[] buffer = new byte[8096];
try {
while (true) {
int bytesRead = -1;
try {
bytesRead = source.read(buffer);
} catch (IOException e) {
return;
}
if (bytesRead == -1)
break;
try {
destination.write(buffer, 0, bytesRead);
} catch (IOException e) {
return;
}
}
} finally {
try {
source.close();
} catch (IOException e) {
// ignore
} finally {
//close destination in finally in case source.close fails
try {
destination.close();
} catch (IOException e) {
// ignore
}
}
}
}
/*
* Look for the specified spash file in the given JAR and extract it to the config
* area for caching purposes.
*/
private String extractFromJAR(String jarPath, String jarEntry) {
String configLocation = System.getProperty(PROP_CONFIG_AREA);
if (configLocation == null) {
log("Configuration area not set yet. Unable to extract " + jarEntry + " from JAR'd plug-in: " + jarPath); //$NON-NLS-1$ //$NON-NLS-2$
return null;
}
URL configURL = buildURL(configLocation, false);
if (configURL == null)
return null;
// cache the splash in the equinox launcher sub-dir in the config area
File splash = new File(configURL.getPath(), PLUGIN_ID);
//include the name of the jar in the cache location
File jarFile = new File(jarPath);
String cache = jarFile.getName();
if (cache.endsWith(".jar")) //$NON-NLS-1$
cache = cache.substring(0, cache.length() - 4);
splash = new File(splash, cache);
splash = new File(splash, jarEntry);
// if we have already extracted this file before, then return
if (splash.exists()) {
// if we are running with -clean then delete the cached splash file
boolean clean = false;
for (int i = 0; i < commands.length; i++) {
if (CLEAN.equalsIgnoreCase(commands[i])) {
clean = true;
splash.delete();
break;
}
}
if (!clean)
return splash.getAbsolutePath();
}
ZipFile file;
try {
file = new ZipFile(jarPath);
} catch (IOException e) {
log("Exception looking for " + jarEntry + " in JAR file: " + jarPath); //$NON-NLS-1$ //$NON-NLS-2$
log(e);
return null;
}
ZipEntry entry = file.getEntry(jarEntry.replace(File.separatorChar, '/'));
if (entry == null)
return null;
InputStream input = null;
try {
input = file.getInputStream(entry);
} catch (IOException e) {
log("Exception opening splash: " + entry.getName() + " in JAR file: " + jarPath); //$NON-NLS-1$ //$NON-NLS-2$
log(e);
return null;
}
new File(splash.getParent()).mkdirs();
OutputStream output;
try {
output = new BufferedOutputStream(new FileOutputStream(splash));
} catch (FileNotFoundException e) {
try {
input.close();
} catch (IOException e1) {
// ignore
}
return null;
}
transferStreams(input, output);
return splash.exists() ? splash.getAbsolutePath() : null;
}
/*
* Return a boolean value indicating whether or not the given
* path represents a JAR file.
*/
private boolean isJAR(String path) {
return new File(path).isFile();
}
/*
* Build an array of path suffixes based on the given NL which is suitable
* for splash path searching. The returned array contains paths in order
* from most specific to most generic. So, in the FR_fr locale, it will return
* "nl/fr/FR/splash.bmp", then "nl/fr/splash.bmp", and finally "splash.bmp".
* (we always search the root)
*/
private static String[] buildNLVariants(String locale) {
//build list of suffixes for loading resource bundles
String nl = locale;
ArrayList result = new ArrayList(4);
int lastSeparator;
while (true) {
result.add("nl" + File.separatorChar + nl.replace('_', File.separatorChar) + File.separatorChar + SPLASH_IMAGE); //$NON-NLS-1$
lastSeparator = nl.lastIndexOf('_');
if (lastSeparator == -1)
break;
nl = nl.substring(0, lastSeparator);
}
//add the empty suffix last (most general)
result.add(SPLASH_IMAGE);
return result.toArray(new String[result.size()]);
}
/*
* resolve platform:/base/ URLs
*/
private String resolve(String urlString) {
// handle the case where people mistakenly spec a refererence: url.
if (urlString.startsWith(REFERENCE_SCHEME))
urlString = urlString.substring(10);
if (urlString.startsWith(PLATFORM_URL)) {
String path = urlString.substring(PLATFORM_URL.length());
return getInstallLocation() + path;
}
return urlString;
}
/*
* Entry point for logging.
*/
protected synchronized void log(Object obj) {
if (obj == null)
return;
try {
openLogFile();
try {
if (newSession) {
log.write(SESSION);
log.write(' ');
String timestamp = new Date().toString();
log.write(timestamp);
log.write(' ');
for (int i = SESSION.length() + timestamp.length(); i < 78; i++)
log.write('-');
log.newLine();
newSession = false;
}
write(obj);
} finally {
if (logFile == null) {
if (log != null)
log.flush();
} else
closeLogFile();
}
} catch (Exception e) {
System.err.println("An exception occurred while writing to the platform log:"); //$NON-NLS-1$
e.printStackTrace(System.err);
System.err.println("Logging to the console instead."); //$NON-NLS-1$
//we failed to write, so dump log entry to console instead
try {
log = logForStream(System.err);
write(obj);
log.flush();
} catch (Exception e2) {
System.err.println("An exception occurred while logging to the console:"); //$NON-NLS-1$
e2.printStackTrace(System.err);
}
} finally {
log = null;
}
}
/*
* This should only be called from #log()
*/
private void write(Object obj) throws IOException {
if (obj == null)
return;
if (obj instanceof Throwable) {
log.write(STACK);
log.newLine();
((Throwable) obj).printStackTrace(new PrintWriter(log));
} else {
log.write(ENTRY);
log.write(' ');
log.write(PLUGIN_ID);
log.write(' ');
log.write(String.valueOf(ERROR));
log.write(' ');
log.write(String.valueOf(0));
log.write(' ');
log.write(getDate(new Date()));
log.newLine();
log.write(MESSAGE);
log.write(' ');
log.write(String.valueOf(obj));
}
log.newLine();
}
protected String getDate(Date date) {
Calendar c = Calendar.getInstance();
c.setTime(date);
StringBuffer sb = new StringBuffer();
appendPaddedInt(c.get(Calendar.YEAR), 4, sb).append('-');
appendPaddedInt(c.get(Calendar.MONTH) + 1, 2, sb).append('-');
appendPaddedInt(c.get(Calendar.DAY_OF_MONTH), 2, sb).append(' ');
appendPaddedInt(c.get(Calendar.HOUR_OF_DAY), 2, sb).append(':');
appendPaddedInt(c.get(Calendar.MINUTE), 2, sb).append(':');
appendPaddedInt(c.get(Calendar.SECOND), 2, sb).append('.');
appendPaddedInt(c.get(Calendar.MILLISECOND), 3, sb);
return sb.toString();
}
private StringBuffer appendPaddedInt(int value, int pad, StringBuffer buffer) {
pad = pad - 1;
if (pad == 0)
return buffer.append(Integer.toString(value));
int padding = (int) Math.pow(10, pad);
if (value >= padding)
return buffer.append(Integer.toString(value));
while (padding > value && padding > 1) {
buffer.append('0');
padding = padding / 10;
}
buffer.append(value);
return buffer;
}
private void computeLogFileLocation() {
String logFileProp = System.getProperty(PROP_LOGFILE);
if (logFileProp != null) {
if (logFile == null || !logFileProp.equals(logFile.getAbsolutePath())) {
logFile = new File(logFileProp);
new File(logFile.getParent()).mkdirs();
}
return;
}
// compute the base location and then append the name of the log file
URL base = buildURL(System.getProperty(PROP_CONFIG_AREA), false);
if (base == null)
return;
logFile = new File(base.getPath(), Long.toString(System.currentTimeMillis()) + ".log"); //$NON-NLS-1$
new File(logFile.getParent()).mkdirs();
System.getProperties().put(PROP_LOGFILE, logFile.getAbsolutePath());
}
/**
* Converts an ASCII character representing a hexadecimal
* value into its integer equivalent.
*/
private int hexToByte(byte b) {
switch (b) {
case '0' :
return 0;
case '1' :
return 1;
case '2' :
return 2;
case '3' :
return 3;
case '4' :
return 4;
case '5' :
return 5;
case '6' :
return 6;
case '7' :
return 7;
case '8' :
return 8;
case '9' :
return 9;
case 'A' :
case 'a' :
return 10;
case 'B' :
case 'b' :
return 11;
case 'C' :
case 'c' :
return 12;
case 'D' :
case 'd' :
return 13;
case 'E' :
case 'e' :
return 14;
case 'F' :
case 'f' :
return 15;
default :
throw new IllegalArgumentException("Switch error decoding URL"); //$NON-NLS-1$
}
}
private void openLogFile() throws IOException {
computeLogFileLocation();
try {
log = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(logFile.getAbsolutePath(), true), "UTF-8")); //$NON-NLS-1$
} catch (IOException e) {
logFile = null;
throw e;
}
}
private BufferedWriter logForStream(OutputStream output) {
try {
return new BufferedWriter(new OutputStreamWriter(output, "UTF-8")); //$NON-NLS-1$
} catch (UnsupportedEncodingException e) {
return new BufferedWriter(new OutputStreamWriter(output));
}
}
private void closeLogFile() throws IOException {
try {
if (log != null) {
log.flush();
log.close();
}
} finally {
log = null;
}
}
private void mergeProperties(Properties destination, Properties source, Properties userConfiguration) {
final String EXT_OVERRIDE_USER = ".override.user"; //$NON-NLS-1$
if (destination == null || source == null)
return;
for (Enumeration e = source.keys(); e.hasMoreElements();) {
String key = (String) e.nextElement();
if (key.equals(PROP_CLASSPATH)) {
String destinationClasspath = destination.getProperty(PROP_CLASSPATH);
String sourceClasspath = source.getProperty(PROP_CLASSPATH);
if (destinationClasspath == null)
destinationClasspath = sourceClasspath;
else
destinationClasspath = destinationClasspath + sourceClasspath;
destination.put(PROP_CLASSPATH, destinationClasspath);
continue;
}
String value = source.getProperty(key);
// Check to see if we are supposed to override existing values from the user configuraiton.
// This is done only in the case of shared install where we have already set the user values
// but want to override them with values from the shared location's config.
if (userConfiguration != null && !key.endsWith(EXT_OVERRIDE_USER)) {
// check all levels to see if the "override" property was set
final String overrideKey = key + EXT_OVERRIDE_USER;
boolean shouldOverride = destination.getProperty(overrideKey) != null || source.getProperty(overrideKey) != null;
// only set the value if the user specified the override property and if the
// original property wasn't set by a commad-line arg
if (shouldOverride && !userConfiguration.contains(key)) {
destination.put(key, value);
continue;
}
}
// only set the value if it doesn't already exist to preserve ordering (command-line, user config, shared config)
if (destination.getProperty(key) == null)
destination.put(key, value);
}
}
private void setupVMProperties() {
if (vm != null)
System.getProperties().put(PROP_VM, vm);
setMultiValueProperty(PROP_VMARGS, vmargs);
setMultiValueProperty(PROP_COMMANDS, commands);
}
private void setMultiValueProperty(String property, String[] value) {
if (value != null) {
StringBuffer result = new StringBuffer(300);
for (int i = 0; i < value.length; i++) {
if (value[i] != null) {
result.append(value[i]);
result.append('\n');
}
}
System.getProperties().put(property, result.toString());
}
}
/*
* NOTE: It is ok here for EclipsePolicy to use 1.4 methods because the methods
* that it calls them from don't exist in Foundation so they will never be called. A more
* detailed explanation from Tom:
*
* They will never get called because in a pre 1.4 VM the methods
* getPermissions(CodeSource) and implies(ProtectionDomain, Permission) are
* undefined on the Policy class which is what EclipsePolicy extends. EclipsePolicy
* implements these two methods so it can proxy them to the parent Policy.
* But since these methods are not actually defined on Policy in a pre-1.4 VM
* nobody will actually call them (unless they casted the policy to EclipsePolicy and
* called our methods)
*/
private class EclipsePolicy extends Policy {
// The policy that this EclipsePolicy is replacing
private Policy policy;
// The set of URLs to give AllPermissions to; this is the set of bootURLs
private URL[] urls;
// The AllPermissions collection
private PermissionCollection allPermissions;
// The AllPermission permission
Permission allPermission = new AllPermission();
EclipsePolicy(Policy policy, URL[] urls) {
this.policy = policy;
this.urls = urls;
allPermissions = new PermissionCollection() {
private static final long serialVersionUID = 3258131349494708277L;
// A simple PermissionCollection that only has AllPermission
public void add(Permission permission) {
//no adding to this policy
}
public boolean implies(Permission permission) {
return true;
}
public Enumeration elements() {
return new Enumeration() {
int cur = 0;
public boolean hasMoreElements() {
return cur < 1;
}
public Permission nextElement() {
if (cur == 0) {
cur = 1;
return allPermission;
}
throw new NoSuchElementException();
}
};
}
};
}
public PermissionCollection getPermissions(CodeSource codesource) {
if (contains(codesource))
return allPermissions;
return policy == null ? allPermissions : policy.getPermissions(codesource);
}
public PermissionCollection getPermissions(ProtectionDomain domain) {
if (contains(domain.getCodeSource()))
return allPermissions;
return policy == null ? allPermissions : policy.getPermissions(domain);
}
public boolean implies(ProtectionDomain domain, Permission permission) {
if (contains(domain.getCodeSource()))
return true;
return policy == null ? true : policy.implies(domain, permission);
}
public void refresh() {
if (policy != null)
policy.refresh();
}
private boolean contains(CodeSource codeSource) {
if (codeSource == null)
return false;
URL url = codeSource.getLocation();
if (url == null)
return false;
// Check to see if this URL is in our set of URLs to give AllPermissions to.
for (int i = 0; i < urls.length; i++) {
// We do simple equals test here because we assume the URLs will be the same objects.
if (urls[i] == url)
return true;
}
return false;
}
}
public class StartupClassLoader extends URLClassLoader {
public StartupClassLoader(URL[] urls) {
super(urls);
}
public StartupClassLoader(URL[] urls, ClassLoader parent) {
super(urls, parent);
}
public StartupClassLoader(URL[] urls, ClassLoader parent, URLStreamHandlerFactory factory) {
super(urls, parent, factory);
}
protected String findLibrary(String name) {
if (extensionPaths == null)
return super.findLibrary(name);
String libName = System.mapLibraryName(name);
for (int i = 0; i < extensionPaths.length; i++) {
File libFile = new File(extensionPaths[i], libName);
if (libFile.isFile())
return libFile.getAbsolutePath();
}
return super.findLibrary(name);
}
/**
* Must override addURL to make it public so the framework can
* do deep reflection to add URLs on Java 9.
*/
@Override
public void addURL(URL url) {
super.addURL(url);
}
// preparing for Java 9
protected URL findResource(String moduleName, String name) {
return findResource(name);
}
// preparing for Java 9
protected Class findClass(String moduleName, String name) {
try {
return findClass(name);
} catch (ClassNotFoundException e) {
return null;
}
}
}
private Properties substituteVars(Properties result) {
if (result == null) {
//nothing todo.
return null;
}
for (Enumeration eKeys = result.keys(); eKeys.hasMoreElements();) {
Object key = eKeys.nextElement();
if (key instanceof String) {
String value = result.getProperty((String) key);
if (value != null)
result.put(key, substituteVars(value));
}
}
return result;
}
public static String substituteVars(String path) {
StringBuffer buf = new StringBuffer(path.length());
StringTokenizer st = new StringTokenizer(path, VARIABLE_DELIM_STRING, true);
boolean varStarted = false; // indicates we are processing a var subtitute
String var = null; // the current var key
while (st.hasMoreElements()) {
String tok = st.nextToken();
if (VARIABLE_DELIM_STRING.equals(tok)) {
if (!varStarted) {
varStarted = true; // we found the start of a var
var = ""; //$NON-NLS-1$
} else {
// we have found the end of a var
String prop = null;
// get the value of the var from system properties
if (var != null && var.length() > 0)
prop = System.getProperty(var);
if (prop == null) {
try {
// try using the System.getenv method if it exists (bug 126921)
Method getenv = System.class.getMethod("getenv", new Class[] {String.class}); //$NON-NLS-1$
prop = (String) getenv.invoke(null, new Object[] {var});
} catch (Throwable t) {
// do nothing;
// on 1.4 VMs this throws an error
// on J2ME this method does not exist
}
}
if (prop != null) {
// found a value; use it
buf.append(prop);
} else {
// could not find a value append the var; keep delemiters
buf.append(VARIABLE_DELIM_CHAR);
buf.append(var == null ? "" : var); //$NON-NLS-1$
buf.append(VARIABLE_DELIM_CHAR);
}
varStarted = false;
var = null;
}
} else {
if (!varStarted)
buf.append(tok); // the token is not part of a var
else
var = tok; // the token is the var key; save the key to process when we find the end token
}
}
if (var != null)
// found a case of $var at the end of the path with no trailing $; just append it as is.
buf.append(VARIABLE_DELIM_CHAR).append(var);
return buf.toString();
}
}
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