1 /*******************************************************************************

     2  * Copyright (c) 2005, 2006 IBM Corporation and others.

     3  * All rights reserved. This program and the accompanying materials

     4  * are made available under the terms of the Eclipse Public License v1.0

     5  * which accompanies this distribution, and is available at

     6  * http://www.eclipse.org/legal/epl-v10.html

     7  * 

     8  * Contributors:

     9  *     IBM Corporation - initial API and implementation

    10  *******************************************************************************/

    11 package org.eclipse.core.internal.propertytester;

    12 

    13 import org.eclipse.core.resources.IProject;

    14 import org.eclipse.core.resources.mapping.ResourceMapping;

    15 import org.eclipse.core.runtime.CoreException;

    16 import org.eclipse.core.runtime.QualifiedName;

    17 

    18 /**

    19  * A property tester for various properties of resource mappings

    20  * 

    21  * @since 3.2

    22  */

    23 public class ResourceMappingPropertyTester extends ResourcePropertyTester {

    24 	public boolean test(Object receiver, String method, Object[] args, Object expectedValue) {

    25 		if (!(receiver instanceof ResourceMapping))

    26 			return false;

    27 		if (!method.equals(PROJECT_PERSISTENT_PROPERTY))

    28 			return false;

    29 		//Note: we currently say the test is satisfied if any project associated

    30 		//with the mapping satisfies the test.  

    31 		IProject[] projects = ((ResourceMapping) receiver).getProjects();

    32 		if (projects.length == 0)

    33 			return false;

    34 		String propertyName;

    35 		String expectedVal;

    36 		if (args.length == 0) {

    37 			propertyName = toString(expectedValue);

    38 			expectedVal = null;//any value will do

    39 		} else if (args.length == 1) {

    40 			propertyName = toString(args[0]);

    41 			expectedVal = null;//any value will do

    42 		} else {

    43 			propertyName = toString(args[0]);

    44 			expectedVal = toString(args[1]);

    45 		}

    46 		QualifiedName key = toQualifedName(propertyName);

    47 		boolean found = false;

    48 		for (int i = 0; i < projects.length; i++) {

    49 			try {

    50 				Object actualVal = projects[i].getPersistentProperty(key);

    51 				//the value is not set, so keep looking on other projects

    52 				if (actualVal == null)

    53 					continue;

    54 				//record that we have found at least one value

    55 				found = true;

    56 				//expected value of null means we expect *any* value, rather than expecting no value

    57 				if (expectedVal == null)

    58 					continue;

    59 				//if the value we find does not match, then the property is not satisfied

    60 				if (!expectedVal.equals(actualVal.toString()))

    61 					return false;

    62 			} catch (CoreException e) {

    63 				// ignore

    64 			}

    65 		}

    66 		//if any projects had the property set, the condition is satisfied

    67 		return found;

    68 	}

    69 }