org.eclipse.jst.server.jetty.ui/src/org/eclipse/jst/server/jetty/ui/internal/ConfigurationPropertyTester.java

/*******************************************************************************
 * Copyright (c) 2003, 2005 IBM Corporation 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:
 *     IBM Corporation - Initial API and implementation
 *     Angelo Zerr <angelo.zerr@gmail.com> - Jetty packages
 *******************************************************************************/
package org.eclipse.jst.server.jetty.ui.internal;

import org.eclipse.core.expressions.PropertyTester;
import org.eclipse.jst.server.jetty.core.IJettyServer;
import org.eclipse.wst.server.core.IServerAttributes;

/**
 * 
 */
public class ConfigurationPropertyTester extends PropertyTester
{
    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.core.expressions.IPropertyTester#test(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Object)
     */
    public boolean test(Object receiver, String property, Object[] args, Object expectedValue)
    {
        try
        {
            IServerAttributes server = (IServerAttributes)receiver;
            IJettyServer jettyServer = (IJettyServer)server.loadAdapter(IJettyServer.class,null);
            if (jettyServer != null)
                return jettyServer.getServerConfiguration() != null;
        }
        catch (Exception e)
        {
            // ignore
        }
        return false;
    }
}