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package org.glassfish.extras.osgicontainer;
import com.sun.enterprise.util.io.FileUtils;
import org.glassfish.api.deployment.DeployCommandParameters;
import org.glassfish.api.deployment.DeploymentContext;
import org.glassfish.api.deployment.archive.CompositeHandler;
import org.glassfish.api.deployment.archive.ReadableArchive;
import org.glassfish.api.deployment.archive.WritableArchive;
import org.glassfish.internal.deployment.GenericHandler;
import org.jvnet.hk2.annotations.Service;
import jakarta.inject.Inject;
import jakarta.inject.Singleton;
import java.io.*;
import java.net.*;
import java.util.Enumeration;
import java.util.Properties;
import java.util.jar.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.glassfish.logging.annotation.LogMessageInfo;
import org.glassfish.logging.annotation.LogMessagesResourceBundle;
import org.glassfish.logging.annotation.LoggerInfo;
/**
* Archive Handler for OSGi modules.
* This understands a special deployment property called UriScheme.
* The value of this property must be a url scheme for which there is a URL handler currently registered in the JVM.
* Any other deployment properties are treated as query parameters.
* The rules are pretty much same as what's the case for webbundle url handler
* as defined in OSGi Web Application spec except that the solution here is not limited to webbundle scheme.
* Since the deployment properties are used as query parameters, they must be encoded such that they
* conform to URL RFC 1738.
*
* @author Jerome Dochez
* @author TangYong([email protected])
* @author [email protected]
*/
@Service(name = OSGiArchiveDetector.OSGI_ARCHIVE_TYPE)
@Singleton
public class OSGiArchiveHandler extends GenericHandler implements CompositeHandler {
@LoggerInfo(subsystem = "OSGI", description="OSGI container logger", publish=true)
private static final String LOGGER_NAME = "jakarta.enterprise.osgi.container";
@LogMessagesResourceBundle()
public static final String RB_NAME = "org.glassfish.extras.osgicontainer.LogMessages";
private static Logger logger = Logger.getLogger(LOGGER_NAME, RB_NAME);
@LogMessageInfo(message = "Decorated url = {0}", level="INFO")
public static final String DECORATED_URL = "NCLS-OSGI-00001";
@Inject
private OSGiArchiveDetector detector;
private String URI_SCHEME_PROP_NAME = "UriScheme";
private char QUERY_PARAM_SEP = '&';
private String QUERY_DELIM = "?";
private String SCHEME_SEP = ":";
public String getArchiveType() {
return OSGiArchiveDetector.OSGI_ARCHIVE_TYPE;
}
public boolean accept(ReadableArchive source, String entryName) {
// we hide everything so far.
return false;
}
public void initCompositeMetaData(DeploymentContext context) {
// nothing to initialize
}
public boolean handles(ReadableArchive archive) throws IOException {
return detector.handles(archive);
}
public ClassLoader getClassLoader(ClassLoader parent, DeploymentContext context) {
return parent;
}
public String getDefaultApplicationName(ReadableArchive archive,
DeploymentContext context) {
return getDefaultApplicationNameFromArchiveName(archive);
}
/**
* Overriding the expand method of base class(GenericHandler) in order to
* support allowing wrapping of non-OSGi bundles when --type=osgi option is
* used in deploy command or GUI. Pl. see [GLASSFISH-16651]
*
* @param source of the expanding
* @param target of the expanding
* @param context deployment context
* @throws IOException when the archive is corrupted
*/
@Override
public void expand(ReadableArchive source, WritableArchive target,
DeploymentContext context) throws IOException {
Properties props = context
.getCommandParameters(DeployCommandParameters.class).properties;
if ((props != null) && (props.containsKey(URI_SCHEME_PROP_NAME))) {
// if UriScheme is specified, we need to construct a new URL based on user's input
// and souce parameter and call openConnection() and getInputStream() on it.
URL url = prepareUrl(context, props);
logger.log(Level.INFO, DECORATED_URL, new Object[]{url});
final JarInputStream jis = new JarInputStream(url.openStream());
expandJar(jis, target);
} else {
super.expand(source, target, context);
}
}
/**
* This method creates a new URL based on user's input. The new URL is expected to be backed by a URL stream handler
* that decorates the input stream. The general syntax to create the decoarated URI is:
* newScheme:embeddedUri?query
* e.g., when user's input is:
* deploy --type osgi --properties
* UriScheme=webbundle:Bundle-SymbolicName=foo:Import-Package=jakarta.servlet:Web-ContextPath=/foo /tmp/foo.war
* we create a new URI like this:
* webbundle:file:/tmp/foo.war?Bundle-SymbolicName=foo&Import-Package=jakarta.servlet&Web-ContextPath=/foo
*
* Please note two things here:
* a) We add the URI Scheme provided by user as a prefix.
* b) We always add a ? at the end of embeddedUrl even when user has not provided any query params.
* This strategy works really well as is proven by OSGi Web Applications spec.
*
* We expect the input to be already encoded.
*
* @param context DeploymentContext
* @param props properties passed in --properties argument of deploy command
* @return a new URL which can be used to read the decorated content
* @throws MalformedURLException
*/
private URL prepareUrl(DeploymentContext context, Properties props)
throws MalformedURLException {
logger.logp(Level.FINE, "OSGiArchiveHandler", "prepareUrl", "Deployment properties = {0}", new Object[]{props});
final String uriScheme = props.getProperty(URI_SCHEME_PROP_NAME);
final URI embeddedUri = context.getOriginalSource().getURI();
StringBuilder query = new StringBuilder();
Enumeration p = props.propertyNames();
while (p.hasMoreElements()) {
String key = (String) p.nextElement();
if (URI_SCHEME_PROP_NAME.equalsIgnoreCase(key)) {
continue; // separately taken care of
}
query.append(key);
query.append("=");
query.append(props.getProperty(key));
query.append(QUERY_PARAM_SEP);
}
final int lastIdx = query.length() - 1;
if (query.charAt(lastIdx) == QUERY_PARAM_SEP) {
// Remove the trailing &
query.deleteCharAt(lastIdx);
}
// We always add ? at the end of embeddedUri to indicate that's the end of embeddedUri
String decoratedUriStr = uriScheme + SCHEME_SEP + embeddedUri + QUERY_DELIM + query;
logger.logp(Level.FINE, "OSGiArchiveHandler", "prepareUrl", "Constructing a new URL from string [{0}]",
new Object[]{decoratedUriStr});
try {
return new URI(decoratedUriStr).toURL(); // Calling new URI().toURL() performs appropriate decoding/encoding
} catch (URISyntaxException e) {
throw new RuntimeException(e);
}
}
/**
* Populates a writable archive by reading the input JarInputStream.
* It closes both the input and output at the end.
* @param jis
* @param target
* @throws IOException
*/
private void expandJar(JarInputStream jis, WritableArchive target) throws IOException {
try {
JarEntry je;
while ((je = jis.getNextJarEntry()) != null) {
OutputStream os = null;
try {
if (je.isDirectory()) {
logger.logp(Level.FINER, "OSGiArchiveHandler", "expandJar",
"Skipping jar entry = {0} since this is of directiry type", new Object[]{je});
continue;
}
final String entryName = je.getName();
final long entrySize = je.getSize();
logger.logp(Level.FINER, "OSGiArchiveHandler", "expandJar", "Writing jar entry name = {0}, size = {1}",
new Object[]{entryName, entrySize});
os = target.putNextEntry(entryName);
FileUtils.copy(jis, os, entrySize < 0 ? 0 : entrySize); // passing 0 will force it to read until EOS
} finally {
if (os != null) {
target.closeEntry();
}
jis.closeEntry();
}
}
//Add MANIFEST File To Target and Write the MANIFEST File To Target
Manifest m = jis.getManifest();
if (m != null) {
logger.logp(Level.FINER, "OSGiArchiveHandler", "expandJar", "Writing manifest entry");
OutputStream os = null;
try {
os = target.putNextEntry(JarFile.MANIFEST_NAME);
m.write(os);
} finally {
if (os != null) {
target.closeEntry();
}
}
}
} finally {
if (jis != null)
jis.close();
target.close();
}
}
/**
* Returns whether this archive requires annotation scanning.
*
* @param archive file
* @return whether this archive requires annotation scanning
*/
public boolean requiresAnnotationScanning(ReadableArchive archive) {
return false;
}
}
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