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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.internal.adapters;
import java.util.concurrent.atomic.AtomicReference;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.PlatformObject;
import org.eclipse.debug.core.ILaunch;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchConfigurationType;
import org.eclipse.tcf.protocol.Protocol;
import org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer;
import org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext;
/**
* Peer model step context adapter implementation.
*/
public class StepContextAdapter extends PlatformObject implements IStepContext {
// Reference to the launch
private final ILaunch launch;
/**
* Constructor.
*
* @param launch The launch. Must not be <code>null</code>.
*/
public StepContextAdapter(ILaunch launch) {
super();
Assert.isNotNull(launch);
this.launch = launch;
}
/**
* Returns the launch.
* @return The launch.
*/
public ILaunch getLaunch() {
return launch;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext#getId()
*/
@Override
public String getId() {
return launch != null && launch.getLaunchConfiguration() != null ? launch.getLaunchConfiguration().getName() : null;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext#getSecondaryId()
*/
@Override
public String getSecondaryId() {
return launch != null ? launch.getLaunchMode() : null;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext#getName()
*/
@Override
public String getName() {
final AtomicReference<String> name = new AtomicReference<String>();
if (launch != null) {
Runnable runnable = new Runnable() {
@Override
public void run() {
name.set(getId());
}
};
if (Protocol.isDispatchThread()) {
runnable.run();
}
else {
Protocol.invokeAndWait(runnable);
}
}
return name.get();
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext#getContextObject()
*/
@Override
public Object getContextObject() {
return launch;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext#getInfo(org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer)
*/
@Override
public String getInfo(IPropertiesContainer data) {
try {
return getName() + "(" + launch.getLaunchMode() + ") - " + launch.getLaunchConfiguration().getType().getName(); //$NON-NLS-1$ //$NON-NLS-2$
}
catch (CoreException e) {
}
return getName() + "(" + launch.getLaunchMode() + ")"; //$NON-NLS-1$ //$NON-NLS-2$
}
/* (non-Javadoc)
* @see org.eclipse.core.runtime.PlatformObject#getAdapter(java.lang.Class)
*/
@Override
public Object getAdapter(final Class adapter) {
// NOTE: The getAdapter(...) method can be invoked from many place and
// many threads where we cannot control the calls. Therefore, this
// method is allowed be called from any thread.
final AtomicReference<Object> object = new AtomicReference<Object>();
Runnable runnable = new Runnable() {
@Override
public void run() {
object.set(doGetAdapter(adapter));
}
};
if (Protocol.isDispatchThread()) {
runnable.run();
}
else {
Protocol.invokeAndWait(runnable);
}
return object.get() != null ? object.get() : super.getAdapter(adapter);
}
/**
* Returns an object which is an instance of the given class associated with this object.
* Returns <code>null</code> if no such object can be found.
* <p>
* This method must be called within the TCF dispatch thread!
*
* @param adapter The adapter class to look up.
* @return The adapter or <code>null</code>.
*/
protected Object doGetAdapter(Class<?> adapter) {
if (ILaunch.class.equals(adapter)) {
return launch;
}
if (ILaunchConfiguration.class.isAssignableFrom(adapter)) {
return launch.getLaunchConfiguration();
}
if (ILaunchConfigurationType.class.isAssignableFrom(adapter)) {
try {
return launch.getLaunchConfiguration().getType();
}
catch (CoreException e) {
}
}
return null;
}
}
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