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/*******************************************************************************
* Copyright (c) 2010, 2013 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.internal.core;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.core.runtime.preferences.IPreferenceNodeVisitor;
import org.eclipse.core.runtime.preferences.PreferenceModifyListener;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunchConfigurationType;
import org.osgi.service.prefs.BackingStoreException;
/**
* Used to listen for preference imports that include changes to preferred
* launch delegates.
*
* @since 3.6 TODO can we roll this into general preference listening?
*/
public class PreferredDelegateModifyListener extends PreferenceModifyListener {
class Visitor implements IPreferenceNodeVisitor {
@Override
public boolean visit(IEclipsePreferences node) throws BackingStoreException {
if (node.name().equals(DebugPlugin.getUniqueIdentifier())) {
// reset preferred delegates, so they are re-initialized from the preferences
LaunchManager manager = (LaunchManager)DebugPlugin.getDefault().getLaunchManager();
manager.resetPreferredDelegates();
ILaunchConfigurationType[] types = manager.getLaunchConfigurationTypes();
for (int i = 0; i < types.length; i++) {
((LaunchConfigurationType) types[i]).resetPreferredDelegates();
}
return false;
}
return true;
}
}
@Override
public IEclipsePreferences preApply(IEclipsePreferences node) {
try {
// force VMs to be initialized before we import the new VMs
node.accept(new Visitor());
} catch (BackingStoreException e) {
DebugPlugin.log(e);
}
return node;
}
}
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