diff options
Diffstat (limited to 'org.eclipse.m2e.launching/src/org/eclipse/m2e/internal/launch/MavenSourcePathComputer.java')
-rw-r--r-- | org.eclipse.m2e.launching/src/org/eclipse/m2e/internal/launch/MavenSourcePathComputer.java | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/org.eclipse.m2e.launching/src/org/eclipse/m2e/internal/launch/MavenSourcePathComputer.java b/org.eclipse.m2e.launching/src/org/eclipse/m2e/internal/launch/MavenSourcePathComputer.java new file mode 100644 index 00000000..bb317e82 --- /dev/null +++ b/org.eclipse.m2e.launching/src/org/eclipse/m2e/internal/launch/MavenSourcePathComputer.java @@ -0,0 +1,185 @@ +/******************************************************************************* + * Copyright (c) 2008-2010 Sonatype, Inc. + * 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: + * Sonatype, Inc. - initial API and implementation + *******************************************************************************/ + +package org.eclipse.m2e.internal.launch; + +import java.io.BufferedInputStream; +import java.io.File; +import java.io.FileInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.util.ArrayList; +import java.util.Enumeration; +import java.util.List; +import java.util.Properties; +import java.util.jar.JarEntry; +import java.util.jar.JarFile; + +import org.apache.maven.artifact.Artifact; +import org.codehaus.plexus.util.DirectoryScanner; +import org.eclipse.core.runtime.CoreException; +import org.eclipse.core.runtime.IProgressMonitor; +import org.eclipse.core.runtime.Path; +import org.eclipse.debug.core.ILaunchConfiguration; +import org.eclipse.debug.core.sourcelookup.ISourceContainer; +import org.eclipse.debug.core.sourcelookup.ISourcePathComputer; +import org.eclipse.jdt.core.IJavaProject; +import org.eclipse.jdt.core.JavaCore; +import org.eclipse.jdt.launching.IRuntimeClasspathEntry; +import org.eclipse.jdt.launching.JavaRuntime; +import org.eclipse.m2e.core.MavenPlugin; +import org.eclipse.m2e.core.embedder.IMaven; +import org.eclipse.m2e.core.embedder.IMavenLauncherConfiguration; +import org.eclipse.m2e.core.embedder.MavenRuntime; +import org.eclipse.m2e.core.project.IMavenProjectFacade; + + +/** + * Computes Maven launch configuration default source lookup path. + * + * Default source lookup includes Maven core libraries only. + * It does not (and cannot) include entries for any Maven plugins + * which are loaded dynamically at runtime. + * + * @author Eugene Kuleshov + */ +public class MavenSourcePathComputer implements ISourcePathComputer { + + public MavenSourcePathComputer() { + } + + public String getId() { + return "org.eclipse.m2e.launching.MavenSourceComputer"; //$NON-NLS-1$ + } + + public ISourceContainer[] computeSourceContainers(ILaunchConfiguration configuration, IProgressMonitor monitor) + throws CoreException { + final List<IRuntimeClasspathEntry> entries = new ArrayList<IRuntimeClasspathEntry>(); + + IRuntimeClasspathEntry jreEntry = JavaRuntime.computeJREEntry(configuration); + if(jreEntry != null) { + entries.add(jreEntry); + } + + MavenRuntime runtime = MavenLaunchUtils.getMavenRuntime(configuration); + IMavenLauncherConfiguration collector = new IMavenLauncherConfiguration() { + public void addArchiveEntry(String entry) throws CoreException { + addArchiveRuntimeClasspathEntry(entries, entry); + } + public void addProjectEntry(IMavenProjectFacade facade) { + IJavaProject javaProject = JavaCore.create(facade.getProject()); + if(javaProject != null) { + entries.add(JavaRuntime.newDefaultProjectClasspathEntry(javaProject)); + } + } + public void addRealm(String world) { + } + public void setMainType(String type, String world) { + } + }; + + collector.addArchiveEntry(MavenLaunchUtils.getCliResolver(runtime)); + MavenLaunchUtils.addUserComponents(configuration, collector); + runtime.createLauncherConfiguration(collector, monitor); + + IRuntimeClasspathEntry[] resolved = JavaRuntime.resolveSourceLookupPath( // + entries.toArray(new IRuntimeClasspathEntry[entries.size()]), configuration); + return JavaRuntime.getSourceContainers(resolved); + } + + protected void addArchiveRuntimeClasspathEntry(List<IRuntimeClasspathEntry> entries, String entryPath) throws CoreException { + File entryFile = new File(entryPath); + + if (!entryFile.exists()) { + return; + } + + if (entryFile.isDirectory()) { + DirectoryScanner ds = new DirectoryScanner(); + ds.setBasedir(entryFile); + ds.setIncludes(new String[] { + "META-INF/maven/*/*/pom.properties", //$NON-NLS-1$ + }); + ds.scan(); + String[] files = ds.getIncludedFiles(); + for (String file : files) { + try { + BufferedInputStream is = new BufferedInputStream(new FileInputStream(new File(entryFile, file))); + try { + addArchiveRuntimeClasspathEntry(entries, entryPath, is); + } finally { + is.close(); + } + } catch (IOException e) { + // ignore it + } + + } + } else { + try { + JarFile jar = new JarFile(entryFile); + try { + Enumeration<JarEntry> zes = jar.entries(); + while (zes.hasMoreElements()) { + JarEntry ze = zes.nextElement(); + String name = ze.getName(); + if (!ze.isDirectory() && name.startsWith("META-INF/maven/") && name.endsWith("pom.properties")) { //$NON-NLS-1$ //$NON-NLS-2$ + addArchiveRuntimeClasspathEntry(entries, entryPath, jar.getInputStream(ze)); + } + } + } finally { + jar.close(); + } + } catch (IOException e) { + // ignore it + } + } + + } + + private void addArchiveRuntimeClasspathEntry(List<IRuntimeClasspathEntry> entries, String entryPath, InputStream is) throws IOException, CoreException { + Properties p = new Properties(); + p.load(is); + + String groupId = p.getProperty("groupId"); //$NON-NLS-1$ + String artifactId = p.getProperty("artifactId"); //$NON-NLS-1$ + String version = p.getProperty("version"); //$NON-NLS-1$ + + File sourcesJar = getSourcesJar(groupId, artifactId, version); + if (sourcesJar != null) { + IRuntimeClasspathEntry entry = null; + entry = JavaRuntime.newArchiveRuntimeClasspathEntry(Path.fromOSString(entryPath)); + entry.setSourceAttachmentPath(Path.fromOSString(sourcesJar.getAbsolutePath())); + entries.add(entry); + } + } + + private File getSourcesJar(String groupId, String artifactId, String version) { + if (groupId != null && artifactId != null && version != null) { + IMaven maven = MavenPlugin.getDefault().getMaven(); + + try { + Artifact artifact = maven.resolve(groupId, artifactId, version, "jar", "sources", null, null); //$NON-NLS-1$ //$NON-NLS-2$ + File file = artifact.getFile(); + + if (file != null && file.exists() && file.canRead()) { + return file; + } + } catch(CoreException ex) { + // artifact not found, most likely... + // TODO add special status code so it is possible to know for sure + } + } + + return null; + } + +} |