/**
* Copyright (C) 2011 - 2013 Eric Van Dewoestine
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.eclim.eclipse;
import java.io.File;
import java.io.FileFilter;
import java.io.FileInputStream;
import java.io.FilenameFilter;
import java.io.IOException;
import java.net.URL;
import java.security.CodeSource;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.commons.lang.StringUtils;
import org.eclim.logging.Logger;
import org.eclim.plugin.core.util.ProjectUtils;
import org.eclim.util.IOUtils;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jdt.core.ClasspathContainerInitializer;
import org.eclipse.jdt.core.IClasspathAttribute;
import org.eclipse.jdt.core.IClasspathContainer;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.osgi.util.ManifestElement;
import org.eclipse.swt.SWT;
import org.osgi.framework.Bundle;
public class EclimClasspathInitializer
extends ClasspathContainerInitializer
{
private static final Logger logger =
Logger.getLogger(EclimClasspathInitializer.class);
private Map<IPath,Map<String,String>> docJars =
new HashMap<IPath,Map<String,String>>();
private Set<String> platformNames = new HashSet<String>();
{
platformNames.add("org.eclipse.ant");
platformNames.add("org.eclipse.compare");
platformNames.add("org.eclipse.core");
platformNames.add("org.eclipse.debug");
platformNames.add("org.eclipse.equinox");
platformNames.add("org.eclipse.help");
platformNames.add("org.eclipse.jface");
platformNames.add("org.eclipse.jsch");
platformNames.add("org.eclipse.ltk");
platformNames.add("org.eclipse.osgi");
platformNames.add("org.eclipse.search");
platformNames.add("org.eclipse.swt");
platformNames.add("org.eclipse.team");
platformNames.add("org.eclipse.text");
platformNames.add("org.eclipse.ui");
platformNames.add("org.eclipse.update");
}
@Override
public void initialize(IPath path, IJavaProject javaProject)
throws CoreException
{
if (javaProject.getProject().getName().equals("eclim")){
EclimClasspathContainer container =
new EclimClasspathContainer(path, computeClasspathEntries(javaProject));
JavaCore.setClasspathContainer(
path,
new IJavaProject[]{javaProject},
new IClasspathContainer[]{container},
new NullProgressMonitor());
}
}
private IClasspathEntry[] computeClasspathEntries(IJavaProject javaProject)
{
final ArrayList<IClasspathEntry> list = new ArrayList<IClasspathEntry>();
try{
final LinkedHashSet<String> bundleNames = new LinkedHashSet<String>();
final ArrayList<String> jarPaths = new ArrayList<String>();
final String projectPath = ProjectUtils.getPath(javaProject.getProject());
new File(projectPath).list(new FilenameFilter(){
public boolean accept(File dir, String name)
{
if (name.startsWith("org.eclim")){
// first pull bundle dependencies from the manifest
File manifest = new File(
dir.getPath() + '/' + name + "/META-INF/MANIFEST.MF");
if (manifest.exists()){
FileInputStream fin = null;
try{
fin = new FileInputStream(manifest);
HashMap<String,String> headers = new HashMap<String,String>();
ManifestElement.parseBundleManifest(fin, headers);
bundleNames.addAll(
getBundleNamesFromHeader(headers, "Require-Bundle"));
bundleNames.addAll(
getBundleNamesFromHeader(headers, "Eclim-ClassPath-Bundle"));
}catch(Exception e){
logger.error("Failed to load manifest: " + manifest, e);
}finally{
IOUtils.closeQuietly(fin);
}
}
// then look for plugin jar files
File lib = new File(dir.getPath() + '/' + name + "/lib");
if (lib.exists()){
for (String jar : lib.list()){
if (jar.endsWith(".jar")){
jarPaths.add(name + "/lib/" + jar);
}
}
}
}
return false;
}
});
// load platform dependent swt jar
CodeSource source = SWT.class.getProtectionDomain().getCodeSource();
if (source != null){
URL swt = source.getLocation();
if (swt != null){
logger.debug("adding swt to classpath: {}", swt.getPath());
Path path = new Path(swt.getPath());
list.add(JavaCore.newLibraryEntry(
path, sourcePath(path), null, null, attributes(path), false));
}
}
for (String name : bundleNames){
logger.debug("adding bundle to classpath: {}", name);
try{
Bundle bundle = Platform.getBundle(name);
if (bundle != null){
String pathName = FileLocator.getBundleFile(bundle).getPath();
Path path = new Path(pathName);
list.add(JavaCore.newLibraryEntry(
path, sourcePath(path), null, null, attributes(path), false));
if (path.toFile().isDirectory()){
listFiles(path.toFile(), new FileFilter(){
public boolean accept(File file) {
if (file.getName().endsWith(".jar")){
list.add(JavaCore.newLibraryEntry(
new Path(file.getPath()),
null, null, null, null, false));
}else if (file.isDirectory()){
listFiles(file, this);
}
return false;
}
});
}
}
}catch(IOException ioe){
logger.error("Failed to locate bundle: " + name, ioe);
}
}
// some plugins need access to nested libraries extracted at build time,
// handle adding those jars to the classpath here.
listFiles(new File(projectPath + "/build/temp/lib"), new FileFilter(){
public boolean accept(File file) {
if (file.getName().endsWith(".jar")){
String jar = file.getPath().replace(projectPath, "");
if (jar.startsWith("/")){
jar = jar.substring(1);
}
jarPaths.add(jar);
}
if (file.isDirectory()){
listFiles(file, this);
}
return false;
}
});
for (String jarPath : jarPaths){
logger.debug("adding jar to classpath: {}", jarPath);
list.add(JavaCore.newLibraryEntry(
new Path(projectPath + '/' + jarPath),
null, null, null, null, false));
}
}catch(Exception e){
logger.error("Failed to load eclim classpath container", e);
}
return (IClasspathEntry[])list.toArray(new IClasspathEntry[list.size()]);
}
private List<String> getBundleNamesFromHeader(
HashMap<String,String> headers, String header)
{
ArrayList<String> names = new ArrayList<String>();
String bundles = headers.get(header);
if (bundles != null){
for (String bname : bundles.split(",\\s*")){
if (bname.startsWith("org.eclim")){
continue;
}
names.add(bname);
}
}
return names;
}
private void listFiles(File dir, FileFilter filter)
{
dir.listFiles(filter);
}
private Path sourcePath(Path path)
{
Path sourcePath = null;
// handle native bundles (swt)
if (path.lastSegment().indexOf(".x86_64_") != -1){
sourcePath = new Path(
path.uptoSegment(path.segmentCount() - 1).toString() +
File.separator +
path.lastSegment().replace(".x86_64_", ".x86_64.source_"));
// all other bundles
}else{
String[] parts = StringUtils.split(path.lastSegment(), "_", 2);
sourcePath = parts.length == 2 ?
new Path(
path.uptoSegment(path.segmentCount() - 1).toString() +
File.separator + parts[0] + ".source_" + parts[1]) :
null;
}
return sourcePath != null && sourcePath.toFile().exists() ? sourcePath : null;
}
private IClasspathAttribute[] attributes(Path path)
{
String name = null;
// handle native bundles (swt)
if (path.lastSegment().indexOf(".x86_64_") != -1){
name = path.lastSegment().replaceFirst(".x86_64_.*", "");
// all other bundles
}else{
String[] parts = StringUtils.split(path.lastSegment(), "_", 2);
name = parts[0];
}
if (!name.startsWith("org.eclipse.")){
return null;
}
final IPath dir = path.uptoSegment(path.segmentCount() - 1);
if (!docJars.containsKey(dir)){
docJars.put(dir, new HashMap<String,String>());
dir.toFile().list(new FilenameFilter(){
public boolean accept(File path, String name){
if (name.endsWith(".jar") && name.indexOf(".doc.isv_") != -1){
String url = "jar:file:" + path + '/' + name + "!/reference/api";
String bundleName = name.replaceFirst("\\.doc\\.isv_.*", "");
docJars.get(dir).put(bundleName, url);
}
return false;
}
});
}
String url = null;
Map<String,String> jars = docJars.get(dir);
String shortName = StringUtils.join(
StringUtils.split(name, ".", 4), ".", 0, 3);
if (jars.containsKey(shortName)){
url = jars.get(shortName);
}else if (platformNames.contains(shortName) &&
docJars.containsKey("org.eclipse.platform"))
{
url = jars.get("org.eclipse.platform");
}
if (url != null){
return new IClasspathAttribute[]{
JavaCore.newClasspathAttribute(
IClasspathAttribute.JAVADOC_LOCATION_ATTRIBUTE_NAME,
url),
};
}
return null;
}
}