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/*******************************************************************************
* Copyright (c) 2011 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.discovery.startup;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.MultiStatus;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.m2e.core.MavenPlugin;
import org.eclipse.m2e.core.core.IMavenConstants;
import org.eclipse.m2e.core.ui.internal.UpdateConfigurationJob;
import org.eclipse.m2e.internal.discovery.DiscoveryActivator;
import org.eclipse.m2e.internal.discovery.Messages;
import org.eclipse.ui.IStartup;
import org.eclipse.ui.internal.IPreferenceConstants;
import org.eclipse.ui.internal.Workbench;
import org.eclipse.ui.internal.util.PrefUtil;
import org.eclipse.ui.statushandlers.StatusManager;
@SuppressWarnings("restriction")
public class UpdateConfigurationStartup implements IStartup {
private static final String PROJECT_PREF = DiscoveryActivator.PLUGIN_ID + ".pref.projects"; //$NON-NLS-1$
public void earlyStartup() {
final MavenPlugin plugin = MavenPlugin.getDefault();
new UpdateConfigurationJob(plugin, getSavedProjects()).schedule();
disableStartup();
}
/*
* Enables the early startup for this bundle
*/
public static void enableStartup() {
saveMarkedProjects();
addEarlyStartup();
}
/*
* Disables the early startup for this bundle
*/
public static void disableStartup() {
clearSavedProjects();
removeEarlyStartup();
}
/*
* Configure projects
*/
public static void updateConfiguration() {
Collection<IProject> projects = getMarkedProjects();
new UpdateConfigurationJob(MavenPlugin.getDefault(), projects.toArray(new IProject[projects.size()])).schedule();
}
private static void addEarlyStartup() {
String[] disabledEarlyActivation = Workbench.getInstance().getDisabledEarlyActivatedPlugins();
// If we aren't disabled, nothing to do
if(!isDisabled(disabledEarlyActivation)) {
return;
}
String[] disabledPlugins = new String[disabledEarlyActivation.length - 1];
int index = 0;
for(String plugin : disabledEarlyActivation) {
if(!DiscoveryActivator.PLUGIN_ID.equals(plugin)) {
disabledPlugins[index] = plugin;
}
}
setEarlyActivationPreference(disabledPlugins);
}
private static void removeEarlyStartup() {
String[] disabledEarlyActivation = Workbench.getInstance().getDisabledEarlyActivatedPlugins();
// Determine if we're already disabled
if(isDisabled(disabledEarlyActivation)) {
return;
}
String[] disabledPlugins = new String[disabledEarlyActivation.length + 1];
System.arraycopy(disabledEarlyActivation, 0, disabledPlugins, 0, disabledEarlyActivation.length);
disabledPlugins[disabledPlugins.length - 1] = DiscoveryActivator.PLUGIN_ID;
setEarlyActivationPreference(disabledPlugins);
}
private static boolean isDisabled(String[] disabledEarlyActivation) {
for(String item : disabledEarlyActivation) {
if(DiscoveryActivator.PLUGIN_ID.equals(item)) {
return true;
}
}
return false;
}
private static void setEarlyActivationPreference(String[] disabledPlugins) {// Add ourself to disabled
StringBuffer preference = new StringBuffer();
for(String item : disabledPlugins) {
preference.append(item).append(IPreferenceConstants.SEPARATOR);
}
IPreferenceStore store = PrefUtil.getInternalPreferenceStore();
store.putValue(IPreferenceConstants.PLUGINS_NOT_ACTIVATED_ON_STARTUP, preference.toString());
PrefUtil.savePrefs();
}
/*
* Get projects we saved previously
*/
public static IProject[] getSavedProjects() {
String[] projectNames = DiscoveryActivator.getDefault().getPreferenceStore().getString(PROJECT_PREF)
.split(String.valueOf(IPreferenceConstants.SEPARATOR));
List<IProject> projects = new ArrayList<IProject>(projectNames.length);
IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
for(String projectName : projectNames) {
if(projectName.length() > 0) {
IProject project = root.getProject(projectName);
if(project != null) {
projects.add(project);
}
}
}
return projects.toArray(new IProject[projects.size()]);
}
/*
* Save a list of projects which have configuration markers
*/
public static void saveMarkedProjects() {
StringBuilder sb = new StringBuilder();
for(IProject project : getMarkedProjects()) {
sb.append(project.getName()).append(IPreferenceConstants.SEPARATOR);
}
DiscoveryActivator.getDefault().getPreferenceStore().putValue(PROJECT_PREF, sb.toString());
}
private static Collection<IProject> getMarkedProjects() {
List<IProject> projects = new ArrayList<IProject>();
MultiStatus status = new MultiStatus(DiscoveryActivator.PLUGIN_ID, 0,
Messages.UpdateConfigurationStartup_MarkerError, null);
for(IProject project : ResourcesPlugin.getWorkspace().getRoot().getProjects()) {
try {
if(project.findMarkers(IMavenConstants.MARKER_LIFECYCLEMAPPING_ID, true, IResource.DEPTH_ONE).length > 0) {
projects.add(project);
}
} catch(CoreException e) {
status.add(e.getStatus());
}
}
if(status.getChildren().length > 0) {
StatusManager.getManager().handle(status);
}
return projects;
}
/*
* Empty the list of saved projects
*/
public static void clearSavedProjects() {
DiscoveryActivator.getDefault().getPreferenceStore().putValue(PROJECT_PREF, ""); //$NON-NLS-1$
}
}
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