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/*******************************************************************************
* Copyright (c) 2011 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.te.runtime.internal;
import org.eclipse.core.expressions.PropertyTester;
import org.eclipse.tm.te.runtime.interfaces.properties.IPropertiesContainer;
/**
* Property tester implementation for objects of type {@link IPropertiesContainer}.
*/
public class PropertiesContainerPropertyTester extends PropertyTester {
/* (non-Javadoc)
* @see org.eclipse.core.expressions.IPropertyTester#test(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Object)
*/
@Override
public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
// The receiver is expected to be a properties container
if (receiver instanceof IPropertiesContainer) {
if ("isProperty".equals(property)) { // //$NON-NLS-1$
// Test for an individual property within the property container
return testIsProperty((IPropertiesContainer)receiver, args, expectedValue);
}
}
return false;
}
/**
* Test the specific model node properties.
*
* @param node The properties container. Must not be <code>null</code>.
* @param args The property arguments.
* @param expectedValue The expected value.
*
* @return <code>True</code> if the property to test has the expected value, <code>false</code> otherwise.
*/
protected boolean testIsProperty(IPropertiesContainer node, Object[] args, Object expectedValue) {
assert node != null;
if (args != null && args.length > 0 && args[0] instanceof String) {
return node.isProperty((String)args[0], expectedValue);
}
return false;
}
}
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