| // ExecutablePropertyTester.java |
| package org.eclipse.stem.ui.handlers; |
| |
| import org.eclipse.core.expressions.IPropertyTester; |
| import org.eclipse.core.expressions.PropertyTester; |
| import org.eclipse.stem.jobs.execution.IExecutable; |
| |
| /******************************************************************************* |
| * Copyright (c) 2008 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 |
| *******************************************************************************/ |
| |
| /** |
| * This class is a {@link PropertyTester} for {@link IExecutable}s in "core |
| * expressions". |
| */ |
| public class ExecutablePropertyTester extends PropertyTester implements |
| IPropertyTester { |
| |
| private static final String PROPERTY_IS_RUNNING = "running"; |
| private static final String PROPERTY_IS_STOPPABLE = "stoppable"; |
| |
| /** |
| * @see org.eclipse.core.expressions.IPropertyTester#test(java.lang.Object, |
| * java.lang.String, java.lang.Object[], java.lang.Object) |
| */ |
| public boolean test(final Object receiver, final String property, |
| @SuppressWarnings("unused") |
| final Object[] args, @SuppressWarnings("unused") |
| final Object expectedValue) { |
| |
| boolean retValue = false; |
| if (receiver instanceof IExecutable) { |
| // Yes |
| // Runnable? |
| if (PROPERTY_IS_RUNNING.equals(property)) { |
| // Yes |
| retValue = ((IExecutable) receiver).isRunning(); |
| } // if runnable |
| // Stoppable? |
| else if (PROPERTY_IS_STOPPABLE.equals(property)) { |
| // Yes |
| retValue = ((IExecutable) receiver).isStoppable(); |
| } // if |
| } // if |
| |
| return retValue; |
| } // test |
| |
| } // ExecutablePropertyTester |