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/*******************************************************************************
* Copyright (c) 2008, 2010 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.tm.internal.tcf.debug.ui.launch;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.Platform;
import org.eclipse.tm.internal.tcf.debug.ui.Activator;
import org.osgi.framework.Bundle;
/**
* TCF clients can implement ITCFLaunchContext to provide information about
* workspace projects to TCF Launch Configuration.
*
* The information includes default values for launch configuration attributes,
* list of executable binary files, etc.
*
* Since each project type can have its own methods to retrieve relevant information,
* there should be implementation of this interface for each project type that support TCF.
*
* Implementation should be able to examine current IDE state (like active editor input source,
* project explorer selection, etc.) and figure out an "active project".
*/
public class TCFLaunchContext {
public static ITCFLaunchContext getLaunchContext(Object selection) {
try {
IExtensionPoint point = Platform.getExtensionRegistry().getExtensionPoint(Activator.PLUGIN_ID, "launch_context");
IExtension[] extensions = point.getExtensions();
for (int i = 0; i < extensions.length; i++) {
try {
Bundle bundle = Platform.getBundle(extensions[i].getNamespaceIdentifier());
bundle.start();
IConfigurationElement[] e = extensions[i].getConfigurationElements();
for (int j = 0; j < e.length; j++) {
String nm = e[j].getName();
if (nm.equals("class")) { //$NON-NLS-1$
Class<?> c = bundle.loadClass(e[j].getAttribute("name")); //$NON-NLS-1$
ITCFLaunchContext launch_context = (ITCFLaunchContext)c.newInstance();
if (selection != null) {
if (launch_context.isSupportedSelection(selection)) return launch_context;
}
else {
if (launch_context.isActive()) return launch_context;
}
}
}
}
catch (Throwable x) {
Activator.log("Cannot access launch context extension points", x);
}
}
}
catch (Exception x) {
Activator.log("Cannot access launch context extension points", x);
}
return null;
}
}
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