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/*******************************************************************************
* Copyright (c) 2010 Oracle. 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:
* Oracle - initial API and implementation
*******************************************************************************/
package org.eclipse.jpt.common.core.internal.libprov;
import org.eclipse.core.expressions.PropertyTester;
import org.eclipse.jst.common.project.facet.core.libprov.ILibraryProvider;
public class LibraryProviderPropertyTester
extends PropertyTester {
public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
if (! (property.equals("id") || property.equals("extendsId")) //$NON-NLS-1$ //$NON-NLS-2$
|| ! (receiver instanceof ILibraryProvider)
|| ! (expectedValue instanceof String)) {
return false;
}
ILibraryProvider libraryProvider = (ILibraryProvider) receiver;
if (property.equals("id")) { //$NON-NLS-1$
return libraryProvider.getId().equals(expectedValue);
}
else if (property.equals("extendsId")) { //$NON-NLS-1$
while (libraryProvider != null) {
if (libraryProvider.getId().equals(expectedValue)) {
return true;
}
libraryProvider = libraryProvider.getBaseProvider();
}
}
return false;
}
}
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