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/*******************************************************************************
* Copyright (c) 2008, 2010 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.equinox.internal.p2.garbagecollector;
import java.util.Map;
import org.eclipse.equinox.app.IApplication;
import org.eclipse.equinox.app.IApplicationContext;
import org.eclipse.equinox.p2.core.*;
import org.eclipse.equinox.p2.engine.IProfile;
import org.eclipse.equinox.p2.engine.IProfileRegistry;
/**
* @since 1.0
*/
public class Application implements IApplication {
private static final String DEFAULT_PROFILE_ID = "SDKProfile"; //$NON-NLS-1$
private String profileId;
private IProvisioningAgent agent;
/*
* Return the profile with the given id, or null if not found.
*/
private IProfile getProfile(String id) {
IProfileRegistry profileRegistry = (IProfileRegistry) agent.getService(IProfileRegistry.SERVICE_NAME);
return profileRegistry == null ? null : profileRegistry.getProfile(id);
}
/* (non-Javadoc)
* @see org.eclipse.equinox.app.IApplication#start(org.eclipse.equinox.app.IApplicationContext)
*/
public Object start(IApplicationContext context) throws Exception {
Map<?, ?> allArgs = context.getArguments();
String[] args = (String[]) allArgs.get(IApplicationContext.APPLICATION_ARGS);
processArguments(args);
// if the user didn't give us a profile id, then use the default SDK one
if (profileId == null)
profileId = DEFAULT_PROFILE_ID;
initializeServices();
IProfile profile = getProfile(profileId);
if (profile == null)
throw new IllegalArgumentException("\"" + profileId + "\" is not a valid profile identifier."); //$NON-NLS-1$//$NON-NLS-2$
GarbageCollector gc = (GarbageCollector) agent.getService(GarbageCollector.SERVICE_NAME);
gc.runGC(profile);
agent.stop();
return null;
}
private void initializeServices() throws ProvisionException {
IProvisioningAgentProvider provider = GCActivator.getService(IProvisioningAgentProvider.class);
agent = provider.createAgent(null);
}
/* (non-Javadoc)
* @see org.eclipse.equinox.app.IApplication#stop()
*/
public void stop() {
// nothing to do
}
/*
* Iterate over the command-line arguments and pull out the ones which are important to us.
*/
public void processArguments(String[] args) throws Exception {
if (args == null)
return;
for (int i = 0; i < args.length; i++) {
String opt = args[i];
// check for args with parameters. If we are at the last argument or if the next
// one has a '-' as the first character, then we can't have an arg with a parm so continue.
if (i == args.length - 1 || args[i + 1].startsWith("-")) //$NON-NLS-1$
continue;
String arg = args[++i];
if (opt.equalsIgnoreCase("-profile")) //$NON-NLS-1$
profileId = arg;
}
}
}
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