TreeNodeTester.java

/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.motorolamobility.studio.android.certmanager.property.tester;

import org.eclipse.core.expressions.PropertyTester;

import com.motorolamobility.studio.android.certmanager.ui.model.ITreeNode;

/**
 * Property testers are used via extension point to test object's state properties.
 * This tester checks {@link ITreeNode} properties. 
 * */
public class TreeNodeTester extends PropertyTester
{

    /*
     * (non-Javadoc)
     * @see org.eclipse.core.expressions.IPropertyTester#test(Object,String,Object[],Object)
     */
    @Override
    public boolean test(Object receiver, String property, Object[] args, Object expectedValue)
    {
        boolean result = false;

        if (receiver instanceof ITreeNode)
        {
            ITreeNode treeNode = (ITreeNode) receiver;
            result =
                    treeNode.testAttribute(receiver,
                            ITreeNode.PROP_NAMESPACE.concat("." + property),
                            expectedValue.toString());
        }

        return result;
    }

}