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/*******************************************************************************
* 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
*******************************************************************************/
/*******************************************************************************
* Copyright (c) 2008 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
*******************************************************************************/
package org.eclipse.m2e.jdt;
import java.io.File;
import org.osgi.framework.BundleContext;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.IncrementalProjectBuilder;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.resources.WorkspaceJob;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Plugin;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.m2e.core.MavenPlugin;
import org.eclipse.m2e.core.embedder.AbstractMavenConfigurationChangeListener;
import org.eclipse.m2e.core.embedder.IMavenConfiguration;
import org.eclipse.m2e.core.embedder.MavenConfigurationChangeEvent;
import org.eclipse.m2e.core.internal.MavenPluginActivator;
import org.eclipse.m2e.core.internal.index.IndexManager;
import org.eclipse.m2e.core.internal.jobs.IBackgroundProcessingQueue;
import org.eclipse.m2e.core.internal.project.registry.MavenProjectManager;
import org.eclipse.m2e.core.project.IMavenProjectFacade;
import org.eclipse.m2e.jdt.internal.BuildPathManager;
import org.eclipse.m2e.jdt.internal.MavenClassifierManager;
import org.eclipse.m2e.jdt.internal.Messages;
import org.eclipse.m2e.jdt.internal.launch.MavenLaunchConfigurationListener;
/**
* Only {@link #getDefault()} and {@link #getBuildpathManager()} are part of public API. All other methods, includes
* methods inherited from AbstractUIPlugin should not be referenced by the client and can be removed without notice.
*/
public class MavenJdtPlugin extends Plugin {
public static String PLUGIN_ID = "org.eclipse.m2e.jdt"; //$NON-NLS-1$
private static MavenJdtPlugin instance;
MavenLaunchConfigurationListener launchConfigurationListener;
BuildPathManager buildpathManager;
IMavenClassifierManager mavenClassifierManager;
WorkspaceSourceDownloadJob workspaceSourceDownloadJob;
/**
* @noreference see class javadoc
*/
public MavenJdtPlugin() {
instance = this;
if(Boolean.parseBoolean(Platform.getDebugOption(PLUGIN_ID + "/debug/initialization"))) { //$NON-NLS-1$
System.err.println("### executing constructor " + PLUGIN_ID); //$NON-NLS-1$
new Throwable().printStackTrace();
}
}
/**
* @noreference see class javadoc
*/
public void start(BundleContext bundleContext) throws Exception {
super.start(bundleContext);
if(Boolean.parseBoolean(Platform.getDebugOption(PLUGIN_ID + "/debug/initialization"))) { //$NON-NLS-1$
System.err.println("### executing start() " + PLUGIN_ID); //$NON-NLS-1$
new Throwable().printStackTrace();
}
IWorkspace workspace = ResourcesPlugin.getWorkspace();
MavenProjectManager projectManager = MavenPluginActivator.getDefault().getMavenProjectManager();
IndexManager indexManager = MavenPlugin.getIndexManager();
IMavenConfiguration mavenConfiguration = MavenPlugin.getMavenConfiguration();
File stateLocationDir = getStateLocation().toFile();
this.buildpathManager = new BuildPathManager(projectManager, indexManager, bundleContext, stateLocationDir);
workspace.addResourceChangeListener(buildpathManager,
IResourceChangeEvent.PRE_DELETE | IResourceChangeEvent.POST_CHANGE);
projectManager.addMavenProjectChangedListener(this.buildpathManager);
workspaceSourceDownloadJob = new WorkspaceSourceDownloadJob();
mavenConfiguration.addConfigurationChangeListener(new AbstractMavenConfigurationChangeListener() {
public void mavenConfigurationChange(MavenConfigurationChangeEvent event) {
String key = event.getKey();
if((MavenConfigurationChangeEvent.P_DOWNLOAD_JAVADOC.equals(key) && mavenConfiguration.isDownloadJavaDoc())
|| (MavenConfigurationChangeEvent.P_DOWNLOAD_SOURCES.equals(key)
&& mavenConfiguration.isDownloadSources())) {
if(workspaceSourceDownloadJob.getState() == Job.SLEEPING
|| workspaceSourceDownloadJob.getState() == Job.WAITING) {
//Cancel previously scheduled job
workspaceSourceDownloadJob.cancel();
}
workspaceSourceDownloadJob.schedule(500);
return;
}
if(!MavenConfigurationChangeEvent.P_USER_SETTINGS_FILE.equals(key)) {
return;
}
if(buildpathManager.setupVariables() && buildpathManager.variablesAreInUse()) {
WorkspaceJob job = new WorkspaceJob(Messages.MavenJdtPlugin_job_name) {
public IStatus runInWorkspace(IProgressMonitor monitor) throws CoreException {
ResourcesPlugin.getWorkspace().build(IncrementalProjectBuilder.FULL_BUILD, monitor);
return Status.OK_STATUS;
}
};
job.setRule(ResourcesPlugin.getWorkspace().getRuleFactory().buildRule());
job.schedule();
}
}
});
this.launchConfigurationListener = new MavenLaunchConfigurationListener();
DebugPlugin.getDefault().getLaunchManager().addLaunchConfigurationListener(launchConfigurationListener);
projectManager.addMavenProjectChangedListener(launchConfigurationListener);
this.mavenClassifierManager = new MavenClassifierManager();
}
/**
* @noreference see class javadoc
*/
public void stop(BundleContext context) throws Exception {
super.stop(context);
IWorkspace workspace = ResourcesPlugin.getWorkspace();
workspace.removeResourceChangeListener(this.buildpathManager);
workspaceSourceDownloadJob = null;
MavenPluginActivator mplugin = MavenPluginActivator.getDefault();
if(mplugin != null) {
MavenProjectManager projectManager = mplugin.getMavenProjectManager();
projectManager.removeMavenProjectChangedListener(buildpathManager);
projectManager.removeMavenProjectChangedListener(launchConfigurationListener);
}
DebugPlugin dplugin = DebugPlugin.getDefault();
if(dplugin != null) {
dplugin.getLaunchManager().removeLaunchConfigurationListener(launchConfigurationListener);
}
this.buildpathManager = null;
this.launchConfigurationListener = null;
this.mavenClassifierManager = null;
}
public static MavenJdtPlugin getDefault() {
return instance;
}
public IClasspathManager getBuildpathManager() {
return buildpathManager;
}
/**
* @return Returns the mavenClassifierManager.
*/
public IMavenClassifierManager getMavenClassifierManager() {
return this.mavenClassifierManager;
}
private class WorkspaceSourceDownloadJob extends Job implements IBackgroundProcessingQueue {
private boolean done;
public WorkspaceSourceDownloadJob() {
super("Scheduling source/javadoc downloads");
setPriority(BuildPathManager.SOURCE_DOWNLOAD_PRIORITY);//low priority job
}
public boolean isEmpty() {
return done;
}
/* (non-Javadoc)
* @see org.eclipse.core.runtime.jobs.Job#run(org.eclipse.core.runtime.IProgressMonitor)
*/
public IStatus run(IProgressMonitor monitor) {
done = false;
IMavenConfiguration mavenConfiguration = MavenPlugin.getMavenConfiguration();
if(mavenConfiguration.isDownloadSources() || mavenConfiguration.isDownloadJavaDoc()) {
IMavenProjectFacade[] facades = MavenPlugin.getMavenProjectRegistry().getProjects();
for(IMavenProjectFacade facade : facades) {
if(monitor.isCanceled()) {
break;
}
IProject project = facade.getProject();
buildpathManager.scheduleDownload(project, mavenConfiguration.isDownloadSources(),
mavenConfiguration.isDownloadJavaDoc());
}
}
done = true;
return Status.OK_STATUS;
}
}
}
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