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/*******************************************************************************
* Copyright (c) 2012 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.tcf.launch.core.delegates;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.Platform;
import org.eclipse.debug.core.ILaunch;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.tcf.internal.debug.model.TCFLaunch;
import org.eclipse.tcf.protocol.IChannel;
import org.eclipse.tcf.protocol.IToken;
import org.eclipse.tcf.services.IPathMap;
import org.eclipse.tcf.services.IPathMap.DoneSet;
import org.eclipse.tcf.services.IPathMap.PathMapRule;
import org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer;
import org.eclipse.tcf.te.runtime.properties.PropertiesContainer;
import org.eclipse.tcf.te.runtime.services.ServiceManager;
import org.eclipse.tcf.te.tcf.core.Tcf;
import org.eclipse.tcf.te.tcf.core.interfaces.IChannelManager;
import org.eclipse.tcf.te.tcf.core.interfaces.IPathMapGeneratorService;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerModel;
/**
* Default tcf launch implementation.
* <p>
* The launch can be adapted to {@link IPropertiesContainer} to exchange user defined data
* between the launch steps.
*/
public final class Launch extends TCFLaunch {
/**
* Non-notifying properties container used for data exchange between the steps.
*/
private final IPropertiesContainer properties = new PropertiesContainer() {
@Override
public Object getAdapter(Class adapter) {
if (ILaunch.class.equals(adapter)) {
return Launch.this;
}
return super.getAdapter(adapter);
}
};
/**
* Constructor.
*
* @param configuration The launch configuration that was launched.
* @param mode The launch mode.
*/
public Launch(ILaunchConfiguration configuration, String mode) {
super(configuration, mode);
}
/**
* Attach the tcf debugger to the given peer model node.
*
* @param node The peer model node. Must not be <code>null</code>.
*/
public void attachDebugger(IPeerModel node) {
Assert.isNotNull(node);
final String name = node.getPeer().getName();
// The debugger is using it's own channel as the implementation
// calls for channel.terminate(...) directly
Map<String, Boolean> flags = new HashMap<String, Boolean>();
flags.put(IChannelManager.FLAG_FORCE_NEW, Boolean.TRUE);
Tcf.getChannelManager().openChannel(node.getPeer(), flags, new IChannelManager.DoneOpenChannel() {
@Override
public void doneOpenChannel(Throwable error, IChannel channel) {
if (error == null && channel != null) {
launchTCF(getLaunchMode(), name, channel);
}
}
});
}
/* (non-Javadoc)
* @see org.eclipse.tcf.internal.debug.model.TCFLaunch#readCustomPathMapConfiguration(org.eclipse.tcf.protocol.IChannel, org.eclipse.debug.core.ILaunchConfiguration, java.util.List)
*/
@Override
protected void readCustomPathMapConfiguration(IChannel channel, ILaunchConfiguration cfg, List<PathMapRule> host_path_map) {
Assert.isNotNull(channel);
Assert.isNotNull(cfg);
Assert.isNotNull(host_path_map);
IPathMapGeneratorService generator = ServiceManager.getInstance().getService(channel.getRemotePeer(), IPathMapGeneratorService.class);
if (generator != null) {
PathMapRule[] generatedRules = generator.getPathMap(channel.getRemotePeer());
if (generatedRules != null && generatedRules.length > 0) {
host_path_map.addAll(Arrays.asList(generatedRules));
}
}
}
/* (non-Javadoc)
* @see org.eclipse.tcf.internal.debug.model.TCFLaunch#applyPathMap(org.eclipse.tcf.protocol.IChannel, org.eclipse.tcf.services.IPathMap.PathMapRule[], org.eclipse.tcf.services.IPathMap.DoneSet)
*/
@Override
protected void applyPathMap(final IChannel channel, final PathMapRule[] map, final DoneSet done) {
// Get the client ID
final String clientID = getClientID();
// If we have a client ID, we can identify path map rules set by other clients
// and leave them alone. Otherwise, just set the path map.
if (clientID != null) {
final IPathMap svc = getService(IPathMap.class);
if (svc != null) {
// Get the old path maps first. Keep path map rules not coming from us
svc.get(new IPathMap.DoneGet() {
@Override
public void doneGet(IToken token, Exception error, PathMapRule[] oldMap) {
// Merge the maps to a new list
List<PathMapRule> rules = new ArrayList<PathMapRule>();
if (oldMap != null && oldMap.length > 0) {
for (PathMapRule rule : oldMap) {
if (rule.getID() == null || !rule.getID().startsWith(clientID)) {
rules.add(rule);
}
}
}
rules.addAll(Arrays.asList(map));
// Determine if the map has changed
boolean changed = oldMap != null ? oldMap.length != rules.size() : !rules.isEmpty();
if (!changed && !rules.isEmpty()) {
// Make a copy of new map and remove all rules listed
// by the old map. If not empty at the end, the new map
// is different from the old map.
List<PathMapRule> copy = new ArrayList<PathMapRule>(rules);
for (PathMapRule rule : oldMap) {
Iterator<PathMapRule> iter = copy.iterator();
while (iter.hasNext()) {
PathMapRule r = iter.next();
if (r.equals(rule)) {
iter.remove();
break;
}
}
}
changed = !copy.isEmpty();
}
// If the path map has changed, apply the map
if (changed) {
svc.set(rules.toArray(new PathMapRule[rules.size()]), done);
} else {
done.doneSet(token, null);
}
}
});
} else {
done.doneSet(null, null);
}
} else {
super.applyPathMap(channel, map, done);
}
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.Launch#getAdapter(java.lang.Class)
*/
@Override
public Object getAdapter(Class adapter) {
if (IPropertiesContainer.class.equals(adapter)) {
return properties;
}
// Must force adapters to be loaded: (Defect WIND00243348, and Eclipse bug 197664).
Platform.getAdapterManager().loadAdapter(this, adapter.getName());
return super.getAdapter(adapter);
}
}
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