| /******************************************************************************* |
| * Copyright (c) 2006 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 |
| * Bjorn Freeman-Benson - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.core.internal.variables; |
| |
| import java.net.URL; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.variables.IDynamicVariable; |
| import org.eclipse.core.variables.IDynamicVariableResolver; |
| import org.eclipse.osgi.service.datalocation.Location; |
| |
| /** |
| * Resolver for ${eclipse_home} |
| * |
| * @since 3.2 |
| */ |
| public class EclipseHomeVariableResolver implements IDynamicVariableResolver { |
| |
| public String resolveValue(IDynamicVariable variable, String argument) throws CoreException { |
| Location installLocation = Platform.getInstallLocation(); |
| if (installLocation != null) { |
| URL url = installLocation.getURL(); |
| if (url != null) { |
| String file = url.getFile(); |
| if (file.length() != 0) { |
| return file; |
| } |
| } |
| } |
| return null; |
| } |
| |
| } |