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/*******************************************************************************
* Copyright (c) 2012, 2014 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.launch.core.selection;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.eclipse.tcf.te.launch.core.selection.interfaces.ILaunchSelection;
import org.eclipse.tcf.te.launch.core.selection.interfaces.ISelectionContext;
/**
* Launch selection implementation.
*/
public class LaunchSelection implements ILaunchSelection {
// The launch mode the selection has been created for
private String mode;
// The selection contexts
private ISelectionContext[] contexts = null;
/**
* Constructor.
*
* @param mode The launch mode or <code>null</code>.
* @param context The selection context or <code>null</code>.
*/
public LaunchSelection(String mode, ISelectionContext context) {
this(mode, context != null ? new ISelectionContext[] { context } : null);
}
/**
* Constructor.
*
* @param mode The launch mode or <code>null</code>.
*/
public LaunchSelection(String mode, ISelectionContext[] contexts) {
this.mode = mode;
this.contexts = contexts != null ? Arrays.copyOf(contexts, contexts.length) : null;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.launch.core.selection.interfaces.ILaunchSelection#getLaunchMode()
*/
@Override
public final String getLaunchMode() {
return mode;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.launch.core.selection.interfaces.ILaunchSelection#getSelectedContexts()
*/
@Override
public ISelectionContext[] getSelectedContexts() {
return contexts != null ? Arrays.copyOf(contexts, contexts.length) : new ISelectionContext[0];
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.launch.core.selection.interfaces.ILaunchSelection#getSelectedContexts(java.lang.Class)
*/
@Override
public ISelectionContext[] getSelectedContexts(Class<?> type) {
List<ISelectionContext> contexts = new ArrayList<ISelectionContext>();
for (ISelectionContext selectionContext : getSelectedContexts()) {
if (type.isInstance(selectionContext)) {
contexts.add(selectionContext);
}
}
return contexts.toArray(new ISelectionContext[contexts.size()]);
}
/* (non-Javadoc)
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
boolean equals = obj instanceof ILaunchSelection;
if (equals) {
ILaunchSelection otherSelection = (ILaunchSelection)obj;
// Launch mode must be the same
equals &= mode == null && otherSelection.getLaunchMode() == null || mode != null && mode.equals(otherSelection.getLaunchMode());
// And all selection contexts must be the same
ISelectionContext[] c1 = getSelectedContexts();
ISelectionContext[] c2 = otherSelection.getSelectedContexts();
equals &= c1.length == c2.length;
int i = 0;
while (equals && i < c1.length) {
equals &= c1[i].equals(c2[i]);
i++;
}
}
return equals;
}
/* (non-Javadoc)
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
int hashCode = 0;
if (mode != null) hashCode = mode.hashCode() << 16;
for (ISelectionContext context : getSelectedContexts()) {
hashCode = hashCode ^ context.hashCode();
}
return hashCode;
}
}
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