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/**
* Copyright (C) 2009-2013 Barchart, Inc.
*
* All rights reserved. Licensed under the OSI BSD License.
*
* http://www.opensource.org/licenses/bsd-license.php
*/
package com.barchart.udt.lib;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* maven-nar-plugin build-time properties which determine library name and path
* conventions; AOL stands for "arch/os/linker"
*/
public class PluginPropsUDT {
/**
* suffix for c++ compiler configured for platform in
* {@link #NAR_AOL_PROPERTIES} file
*/
protected static final String AOL_CPP_COMPILER = "cpp.compiler";
/**
* suffix for JNI library file extension as defined in
* {@link #NAR_AOL_PROPERTIES} file
*/
protected static final String AOL_JNI_EXTENSION = "jni.extension";
/**
* suffix for dependency libraries as defined in {@link #NAR_AOL_PROPERTIES}
* file
*/
protected static final String AOL_LINKER_DEPENDENCY = "linker.dependency";
/**
* suffix for shared library file prefix as defined in
* {@link #NAR_AOL_PROPERTIES} file
*/
protected static final String AOL_SHARED_PREFIX = "shared.prefix";
/**
* missing / invalid property value representation
*/
protected static final String EMPTY_VALUE = "";
protected static final Logger log = LoggerFactory
.getLogger(PluginPropsUDT.class);
/**
* NAR properties file; should be present in project root folder during
* build time for plug-in configuration and as a class path resource during
* run time for properties lookup.
*/
protected static final String NAR_AOL_PROPERTIES = "aol.properties";
/**
* current architecture reported by JVM
*/
protected static final String OS_ARCH = System.getProperty("os.arch");
/**
* current operating system reported by JVM
*/
protected static final String OS_NAME = System.getProperty("os.name");
/**
* properties from {@link #NAR_AOL_PROPERTIES} file
*/
protected static final Properties props = new Properties();
static {
try {
log.info("ARCH/OS/LINK = {}/{}/{}", narARCH(), narOS(), narLINK());
log.debug("Loading aol.properties.");
final InputStream input = PluginPropsUDT.class.getClassLoader()
.getResourceAsStream(NAR_AOL_PROPERTIES);
props.load(input);
} catch (final Throwable e) {
log.error("Failed to load aol.properties.", e);
}
}
/**
* dependency libraries specified in {@link #NAR_AOL_PROPERTIES} file
*/
protected static List currentDependencyLibraries() {
final List list = new ArrayList();
final String entryText = property(currentNarKeyLinkerDependency());
if (entryText == null || entryText.length() == 0) {
return list;
}
final String[] entryArray = entryText.split("\\s");
for (final String entry : entryArray) {
list.add(entry.trim());
}
return list;
}
/**
* nar key prefix for current arch/os/link
*/
protected static String currentNarKey() {
return formatNarKey(narARCH(), narOS(), narLINK());
}
/**
* full nar key built from arch/os/link prefix and the key suffix
*/
protected static String currentNarKey(final String suffix) {
return currentNarKey() + "." + suffix;
}
/**
* CPP compiler for the platform
*/
protected static String currentNarKeyCppCompiler() {
return currentNarKey(AOL_CPP_COMPILER);
}
/**
* JNI extension for the platform
*/
protected static String currentNarKeyJniExtension() {
return currentNarKey(AOL_JNI_EXTENSION);
}
/**
* list of dependencies for the platform
*/
protected static String currentNarKeyLinkerDependency() {
return currentNarKey(AOL_LINKER_DEPENDENCY);
}
/**
* library name prefix for the platform
*/
protected static String currentNarKeySharedPrefix() {
return currentNarKey(AOL_SHARED_PREFIX);
}
/**
* nar aol path entry for current arch/os/link
*/
protected static String currentNarPath() {
return formatNarPath(narARCH(), narOS(), narLINK());
}
/**
* list of release library paths expected to be resent for current platform;
* must be packaged in the jar; used during release delivery
*/
protected static List currentReleaseLibraries(final String coreName) {
final List list = new ArrayList();
/** dependency */
for (final String name : currentDependencyLibraries()) {
final String path = formatMainReleasePath(name);
list.add(path);
}
/** main */
{
final String name = formatMainLibraryName(coreName);
final String path = formatMainReleasePath(name);
list.add(path);
}
return list;
}
/**
* list of staging library paths expected to be resent for current platform;
* must be located on test class path; used during NAR build
*/
protected static List currentStagingLibraries(final String coreName) {
final List list = new ArrayList();
/** dependency */
for (final String name : currentDependencyLibraries()) {
final String path = formatTestingDependencyPath(name);
list.add(path);
}
/** main */
{
final String path = formatMainStagingPath(coreName);
list.add(path);
}
return list;
}
/**
* list of testing library paths expected to be resent for current platform;
* must be located on test class path; used during CDT build
*/
protected static List currentTestingLibraries(final String coreName) {
final List list = new ArrayList();
/** dependency */
for (final String name : currentDependencyLibraries()) {
final String path = formatTestingDependencyPath(name);
list.add(path);
}
/** main */
{
final String path = formatMainTestingPath(coreName);
list.add(path);
}
return list;
}
/**
* make main library name with {@link #AOL_SHARED_PREFIX} and
* {@link #AOL_JNI_EXTENSION} convention
*/
protected static String formatMainLibraryName(final String coreName) {
final String prefix = property(currentNarKeySharedPrefix());
final String extension = property(currentNarKeyJniExtension());
return String.format("%s%s.%s", prefix, coreName, extension);
}
/**
* location of release main library and dependency libraries in release jar
*/
protected static String formatMainReleasePath(final String name) {
final String aol = currentNarPath();
return String.format("/lib/%s/jni/%s", aol, name);
}
/**
* location of staging main library on the test class path
*/
protected static String formatMainStagingPath(final String coreName) {
final String aol = currentNarPath();
final String mainName = formatMainLibraryName(coreName);
return String.format("/%s-%s-jni/lib/%s/jni/%s", //
coreName, aol, aol, mainName);
}
/**
* location of testing main library on the test class path
*/
protected static String formatMainTestingPath(final String coreName) {
final String mainName = formatMainLibraryName(coreName);
return String.format("/%s", //
mainName);
}
/**
* {@link #NAR_AOL_PROPERTIES} property key prefix
*/
protected static String formatNarKey(final String arch, final String os,
final String link) {
return String.format("%s.%s.%s", arch, os, link);
}
/**
* {@link #NAR_AOL_PROPERTIES} aol path element
*/
protected static String formatNarPath(final String arch, final String os,
final String link) {
return String.format("%s-%s-%s", arch, os, link);
}
/**
* location of dependency libraries on test class path
*/
protected static String formatTestingDependencyPath(final String name) {
final String aol = currentNarPath();
return String.format("/aol/%s/lib/%s", aol, name);
}
/**
* is current platform defined in {@link #NAR_AOL_PROPERTIES} file?
*/
protected static boolean isSupportedPlatform() {
return !EMPTY_VALUE.equals(property(currentNarKeyCppCompiler()));
}
/**
* map JVM arch name to NAR arch name
*/
protected static String narARCH() {
return OS_ARCH;
}
/**
* map JVM arch/os name to NAR tool chain name
*/
protected static String narLINK() {
return "gpp";
}
/**
* map JVM os name to NAR os name
*/
protected static String narOS() {
if (OS_NAME.contains("Mac OS X")) {
return "MacOSX";
}
if (OS_NAME.contains("Windows")) {
return "Windows";
}
return OS_NAME;
}
/**
* find property entry in the {@link #NAR_AOL_PROPERTIES} file
*/
protected static String property(final String key) {
final String value = props.getProperty(key);
if (value instanceof String) {
return value;
} else {
return EMPTY_VALUE;
}
}
}
