| /******************************************************************************* |
| * Copyright (c) 2000, 2013 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 |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.core; |
| |
| import java.net.URL; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.variables.IDynamicVariable; |
| import org.eclipse.core.variables.IDynamicVariableResolver; |
| |
| /** |
| * Resolves common system variables. The current set of variables |
| * supported (referenced as an argument to this variable) are: |
| * <ul> |
| * <li>ARCH - value of <code>BootLoader.getOSArch()</code></li> |
| * <li>ECLIPSE_HOME - location of the Eclipse installation</li> |
| * <li>NL - value of <code>BootLoader.getNL()</code></li> |
| * <li>OS - value of <code>BootLoader.getOS()</code></li> |
| * <li>WS - value of <code>BootLoader.getWS()</code></li> |
| * </ul> |
| * @since 3.0 |
| */ |
| public class SystemVariableResolver implements IDynamicVariableResolver { |
| /* (non-Javadoc) |
| * @see org.eclipse.core.variables.IDynamicVariableResolver#resolveValue(org.eclipse.core.variables.IDynamicVariable, java.lang.String) |
| */ |
| @Override |
| public String resolveValue(IDynamicVariable variable, String argument) throws CoreException { |
| if ("ARCH".equals(argument)) { //$NON-NLS-1$ |
| return Platform.getOSArch(); |
| } else if ("ECLIPSE_HOME".equals(argument)) { //$NON-NLS-1$ |
| URL installURL = Platform.getInstallLocation().getURL(); |
| IPath ppath = new Path(installURL.getFile()).removeTrailingSeparator(); |
| return getCorrectPath(ppath.toOSString()); |
| } else if ("NL".equals(argument)) { //$NON-NLS-1$ |
| return Platform.getNL(); |
| } else if ("OS".equals(argument)) { //$NON-NLS-1$ |
| return Platform.getOS(); |
| } else if ("WS".equals(argument)) { //$NON-NLS-1$ |
| return Platform.getWS(); |
| } |
| return null; |
| } |
| |
| private static String getCorrectPath(String path) { |
| StringBuffer buf = new StringBuffer(); |
| for (int i = 0; i < path.length(); i++) { |
| char c = path.charAt(i); |
| if (Platform.getOS().equals("win32")) { //$NON-NLS-1$ |
| if (i == 0 && c == '/') { |
| continue; |
| } |
| } |
| // Some VMs may return %20 instead of a space |
| if (c == '%' && i + 2 < path.length()) { |
| char c1 = path.charAt(i + 1); |
| char c2 = path.charAt(i + 2); |
| if (c1 == '2' && c2 == '0') { |
| i += 2; |
| buf.append(" "); //$NON-NLS-1$ |
| continue; |
| } |
| } |
| buf.append(c); |
| } |
| return buf.toString(); |
| } |
| } |