Attachment 127416 Details for Bug 266881 – Fix v01

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[patch] Fix v01

patch.txt (text/plain), 11.99 KB, created by John Arthorne

on 2009-03-03 21:48:51 EST

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Creator: John Arthorne

Created: 2009-03-03 21:48:51 EST

Size: 11.99 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.equinox.p2.engine
>Index: src/org/eclipse/equinox/internal/p2/engine/ProfilePreferences.java
>===================================================================
>RCS file: /cvsroot/rt/org.eclipse.equinox/p2/bundles/org.eclipse.equinox.p2.engine/src/org/eclipse/equinox/internal/p2/engine/ProfilePreferences.java,v
>retrieving revision 1.5
>diff -u -r1.5 ProfilePreferences.java
>--- src/org/eclipse/equinox/internal/p2/engine/ProfilePreferences.java	28 Feb 2009 20:46:02 -0000	1.5
>+++ src/org/eclipse/equinox/internal/p2/engine/ProfilePreferences.java	4 Mar 2009 02:47:54 -0000
>@@ -11,15 +11,16 @@
> package org.eclipse.equinox.internal.p2.engine;
> 
> import java.io.File;
>-import java.util.*;
>+import java.util.HashSet;
>+import java.util.Set;
> import org.eclipse.core.internal.preferences.EclipsePreferences;
> import org.eclipse.core.runtime.*;
> import org.eclipse.core.runtime.jobs.Job;
> import org.eclipse.core.runtime.preferences.IEclipsePreferences;
> import org.eclipse.equinox.internal.p2.core.helpers.*;
> import org.eclipse.equinox.internal.provisional.p2.core.location.AgentLocation;
>-import org.eclipse.equinox.internal.provisional.p2.engine.*;
>-import org.eclipse.osgi.util.NLS;
>+import org.eclipse.equinox.internal.provisional.p2.engine.IProfile;
>+import org.eclipse.equinox.internal.provisional.p2.engine.IProfileRegistry;
> import org.osgi.framework.Bundle;
> import org.osgi.framework.BundleContext;
> import org.osgi.service.prefs.BackingStoreException;
>@@ -30,15 +31,16 @@
>  * that is used when there is no currently running profile.
>  */
> public class ProfilePreferences extends EclipsePreferences {
>-	private static final long SAVE_SCHEDULE_DELAY = 500;
>-	public static final Object PROFILE_SAVE_JOB_FAMILY = new Object();
>-
> 	private class SaveJob extends Job {
> 		SaveJob() {
> 			super(Messages.ProfilePreferences_saving);
> 			setSystem(true);
> 		}
> 
>+		public boolean belongsTo(Object family) {
>+			return family == PROFILE_SAVE_JOB_FAMILY;
>+		}
>+
> 		protected IStatus run(IProgressMonitor monitor) {
> 			try {
> 				doSave();
>@@ -47,21 +49,21 @@
> 			}
> 			return Status.OK_STATUS;
> 		}
>-
>-		public boolean belongsTo(Object family) {
>-			return family == PROFILE_SAVE_JOB_FAMILY;
>-		}
> 	}
> 
>-	private int segmentCount;
>-	private String qualifier;
>-	//private IPath location;
>-	private IEclipsePreferences loadLevel;
> 	// cache which nodes have been loaded from disk
> 	private static Set loadedNodes = new HashSet();
> 
>+	public static final Object PROFILE_SAVE_JOB_FAMILY = new Object();
>+
>+	private static final long SAVE_SCHEDULE_DELAY = 500;
>+	//private IPath location;
>+	private IEclipsePreferences loadLevel;
> 	private Object profileLock;
>+	private String qualifier;
>+
> 	private SaveJob saveJob;
>+	private int segmentCount;
> 
> 	public ProfilePreferences() {
> 		this(null, null);
>@@ -94,9 +96,43 @@
> 		return result;
> 	}
> 
>-	public void removeNode() throws BackingStoreException {
>-		super.removeNode();
>-		loadedNodes.remove(this.absolutePath());
>+	/*
>+	 * (non-Javadoc)
>+	 * Create an Engine phase to save profile preferences
>+	 */
>+	protected void doSave() throws BackingStoreException {
>+		synchronized (((ProfilePreferences) parent).profileLock) {
>+			String profileId = getSegment(absolutePath(), 1);
>+			IProfile profile = computeProfile(profileId);
>+			if (profile == null) {
>+				//use the default location for the self profile, otherwise just do nothing and return
>+				if (IProfileRegistry.SELF.equals(profileId)) {
>+					IPath location = getDefaultLocation();
>+					if (location != null) {
>+						super.save(location);
>+						return;
>+					}
>+				}
>+				if (Tracing.DEBUG_PROFILE_PREFERENCES)
>+					Tracing.debug("Not saving preferences since there is no file for node: " + absolutePath()); //$NON-NLS-1$
>+				return;
>+			}
>+			super.save(getProfileLocation(profile));
>+		}
>+	}
>+
>+	/**
>+	 * Returns the preference file to use when there is no active profile.
>+	 */
>+	private IPath getDefaultLocation() {
>+		//use engine agent location for preferences if there is no self profile
>+		AgentLocation location = (AgentLocation) ServiceHelper.getService(EngineActivator.getContext(), AgentLocation.SERVICE_NAME);
>+		if (location == null) {
>+			LogHelper.log(new Status(IStatus.WARNING, EngineActivator.ID, "Agent location service not available", new RuntimeException())); //$NON-NLS-1$
>+			return null;
>+		}
>+		IPath dataArea = new Path(URLUtil.toFile(location.getDataArea(EngineActivator.ID)).getAbsolutePath());
>+		return computeLocation(dataArea, qualifier);
> 	}
> 
> 	protected IEclipsePreferences getLoadLevel() {
>@@ -114,20 +150,25 @@
> 		return loadLevel;
> 	}
> 
>-	protected synchronized boolean isAlreadyLoaded(IEclipsePreferences node) {
>-		return loadedNodes.contains(node.absolutePath());
>+	/**
>+	 * Returns the location of the preference file for the given profile.
>+	 */
>+	private IPath getProfileLocation(IProfile profile) {
>+		SimpleProfileRegistry profileRegistry = (SimpleProfileRegistry) ServiceHelper.getService(EngineActivator.getContext(), IProfileRegistry.class.getName());
>+		File profileDataDirectory = profileRegistry.getProfileDataDirectory((Profile) profile);
>+		return computeLocation(new Path(profileDataDirectory.getAbsolutePath()), qualifier);
> 	}
> 
>-	protected synchronized boolean isAlreadyLoaded(String path) {
>-		return loadedNodes.contains(path);
>+	protected EclipsePreferences internalCreate(EclipsePreferences nodeParent, String nodeName, Object context) {
>+		return new ProfilePreferences(nodeParent, nodeName);
> 	}
> 
>-	protected synchronized void loaded() {
>-		loadedNodes.add(name());
>+	protected synchronized boolean isAlreadyLoaded(IEclipsePreferences node) {
>+		return loadedNodes.contains(node.absolutePath());
> 	}
> 
>-	protected EclipsePreferences internalCreate(EclipsePreferences nodeParent, String nodeName, Object context) {
>-		return new ProfilePreferences(nodeParent, nodeName);
>+	protected synchronized boolean isAlreadyLoaded(String path) {
>+		return loadedNodes.contains(path);
> 	}
> 
> 	/*
>@@ -141,7 +182,7 @@
> 			if (profile == null) {
> 				//use the default location for the self profile, otherwise just do nothing and return
> 				if (IProfileRegistry.SELF.equals(profileId)) {
>-					File location = getDefaultLocation();
>+					IPath location = getDefaultLocation();
> 					if (location != null) {
> 						load(location);
> 						return;
>@@ -151,35 +192,17 @@
> 					Tracing.debug("Not loading preferences since there is no file for node: " + absolutePath()); //$NON-NLS-1$
> 				return;
> 			}
>-			IEngine engine = (IEngine) ServiceHelper.getService(EngineActivator.getContext(), IEngine.SERVICE_NAME);
>-			if (engine == null) {
>-				throw new BackingStoreException(NLS.bind(Messages.ProfilePreferences_load_failed, profile.getProfileId()));
>-			}
>-			PhaseSet set = new ProfilePreferencePhaseSet(new PreferenceLoad());
>-			Exception failure;
>-			try {
>-				IStatus status = engine.perform(profile, set, new Operand[0], null, null);
>-				// Check return status.
>-				if (status.isOK())
>-					return;
>-				failure = (Exception) status.getException();
>-			} catch (IllegalStateException e) {
>-				failure = e;
>-			}
>-			if (failure != null && failure instanceof BackingStoreException)
>-				throw (BackingStoreException) failure;
>-			throw new BackingStoreException(NLS.bind(Messages.ProfilePreferences_load_failed, profile.getProfileId()), failure);
>+			load(getProfileLocation(profile));
> 		}
> 	}
> 
>-	private File getDefaultLocation() {
>-		//use engine agent location for preferences if there is no self profile
>-		AgentLocation location = (AgentLocation) ServiceHelper.getService(EngineActivator.getContext(), AgentLocation.SERVICE_NAME);
>-		if (location == null) {
>-			LogHelper.log(new Status(IStatus.WARNING, EngineActivator.ID, "Agent location service not available", new RuntimeException())); //$NON-NLS-1$
>-			return null;
>-		}
>-		return URLUtil.toFile(location.getDataArea(EngineActivator.ID));
>+	protected synchronized void loaded() {
>+		loadedNodes.add(name());
>+	}
>+
>+	public void removeNode() throws BackingStoreException {
>+		super.removeNode();
>+		loadedNodes.remove(this.absolutePath());
> 	}
> 
> 	/**
>@@ -200,110 +223,4 @@
> 			//bundle has been stopped concurrently, so don't save
> 		}
> 	}
>-
>-	/*
>-	 * (non-Javadoc)
>-	 * Create an Engine phase to save profile preferences
>-	 */
>-	protected void doSave() throws BackingStoreException {
>-		synchronized (((ProfilePreferences) parent).profileLock) {
>-			String profileId = getSegment(absolutePath(), 1);
>-			IProfile profile = computeProfile(profileId);
>-			if (profile == null) {
>-				//use the default location for the self profile, otherwise just do nothing and return
>-				if (IProfileRegistry.SELF.equals(profileId)) {
>-					File location = getDefaultLocation();
>-					if (location != null) {
>-						save(location);
>-						return;
>-					}
>-				}
>-				if (Tracing.DEBUG_PROFILE_PREFERENCES)
>-					Tracing.debug("Not saving preferences since there is no file for node: " + absolutePath()); //$NON-NLS-1$
>-				return;
>-			}
>-			IEngine engine = (IEngine) ServiceHelper.getService(EngineActivator.getContext(), IEngine.SERVICE_NAME);
>-			if (engine == null) {
>-				throw new BackingStoreException(NLS.bind(Messages.ProfilePreferences_save_failed, profile.getProfileId()));
>-			}
>-			PhaseSet set = new ProfilePreferencePhaseSet(new PreferenceFlush());
>-			Exception failure;
>-			try {
>-				IStatus status = engine.perform(profile, set, new Operand[0], null, null);
>-				// Check return status.
>-				if (status.isOK())
>-					return;
>-				failure = (Exception) status.getException();
>-			} catch (IllegalStateException e) {
>-				failure = e;
>-			}
>-			if (failure != null && failure instanceof BackingStoreException)
>-				throw (BackingStoreException) failure;
>-			throw new BackingStoreException(NLS.bind(Messages.ProfilePreferences_save_failed, profile.getProfileId()), failure);
>-		}
>-	}
>-
>-	public void load(File directory) throws BackingStoreException {
>-		super.load(computeLocation(new Path(directory.getAbsolutePath()), qualifier));
>-	}
>-
>-	public void save(File directory) throws BackingStoreException {
>-		super.save(computeLocation(new Path(directory.getAbsolutePath()), qualifier));
>-	}
>-
>-	// Simple PhaseSet used when loading or saving profile preferences
>-	private class ProfilePreferencePhaseSet extends PhaseSet {
>-
>-		public ProfilePreferencePhaseSet(Phase phase) {
>-			super(new Phase[] {phase});
>-		}
>-	}
>-
>-	private class PreferenceFlush extends Phase {
>-		private static final String PHASE_ID = "preferenceFlush"; //$NON-NLS-1$
>-
>-		public PreferenceFlush() {
>-			super(PHASE_ID, 1);
>-		}
>-
>-		protected ProvisioningAction[] getActions(Operand operand) {
>-			return null;
>-		}
>-
>-		protected IStatus completePhase(IProgressMonitor monitor, IProfile phaseProfile, Map parameters) {
>-			File dataDirectory = (File) parameters.get(PARM_PROFILE_DATA_DIRECTORY);
>-			if (dataDirectory == null)
>-				return new Status(IStatus.ERROR, EngineActivator.ID, Messages.ProfilePreferences_nullDir);
>-			try {
>-				save(dataDirectory);
>-			} catch (BackingStoreException e) {
>-				return new Status(IStatus.ERROR, EngineActivator.ID, e.getMessage(), e);
>-			}
>-			return Status.OK_STATUS;
>-		}
>-	}
>-
>-	private class PreferenceLoad extends Phase {
>-		private static final String PHASE_ID = "preferenceLoad"; //$NON-NLS-1$
>-
>-		public PreferenceLoad() {
>-			super(PHASE_ID, 1);
>-		}
>-
>-		protected ProvisioningAction[] getActions(Operand operand) {
>-			return null;
>-		}
>-
>-		protected IStatus completePhase(IProgressMonitor monitor, IProfile phaseProfile, Map parameters) {
>-			File dataDirectory = (File) parameters.get(PARM_PROFILE_DATA_DIRECTORY);
>-			if (dataDirectory == null)
>-				return new Status(IStatus.ERROR, EngineActivator.ID, Messages.ProfilePreferences_nullDir);
>-			try {
>-				load(dataDirectory);
>-			} catch (BackingStoreException e) {
>-				return new Status(IStatus.ERROR, EngineActivator.ID, e.getMessage(), e);
>-			}
>-			return Status.OK_STATUS;
>-		}
>-	}
> }

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Attachments on bug 266881: 127379 | 127416 | 127419 | 127420