| /******************************************************************************* |
| * Copyright (c) 2005, 2013 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Wieant (wieant@tasking.com) - Bug 138007 |
| *******************************************************************************/ |
| package org.eclipse.ui.externaltools.internal.variables; |
| |
| import java.io.File; |
| import java.util.Map; |
| import java.util.StringTokenizer; |
| |
| import org.eclipse.core.externaltools.internal.IExternalToolConstants; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.variables.IDynamicVariable; |
| import org.eclipse.core.variables.IDynamicVariableResolver; |
| import org.eclipse.debug.core.DebugPlugin; |
| import org.eclipse.ui.externaltools.internal.model.ExternalToolsPlugin; |
| |
| public class SystemPathResolver 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 (argument == null) { |
| throw new CoreException(new Status(IStatus.ERROR, ExternalToolsPlugin.PLUGIN_ID, IExternalToolConstants.ERR_INTERNAL_ERROR, VariableMessages.SystemPathResolver_0, null)); |
| } |
| Map<String, String> map = DebugPlugin.getDefault().getLaunchManager().getNativeEnvironment(); |
| String path= map.get("PATH"); //$NON-NLS-1$ |
| if (path == null) { |
| return argument; |
| } |
| // On MS Windows the PATHEXT environment variable defines which file extensions |
| // mark files that are executable (e.g. .EXE, .COM, .BAT) |
| String pathext = map.get("PATHEXT"); //$NON-NLS-1$ |
| StringTokenizer tokenizer= new StringTokenizer(path, File.pathSeparator); |
| while (tokenizer.hasMoreTokens()) { |
| String pathElement= tokenizer.nextToken(); |
| File pathElementFile= new File(pathElement); |
| if (pathElementFile.isDirectory()) { |
| File toolFile= new File(pathElementFile, argument); |
| if (toolFile.exists()) { |
| return toolFile.getAbsolutePath(); |
| } |
| if ( pathext != null ) { |
| StringTokenizer pathextTokenizer = new StringTokenizer(pathext, File.pathSeparator); |
| while (pathextTokenizer.hasMoreTokens()) { |
| String pathextElement = pathextTokenizer.nextToken(); |
| toolFile = new File(pathElementFile, argument + pathextElement); |
| if (toolFile.exists()) { |
| return toolFile.getAbsolutePath(); |
| } |
| } |
| } |
| } |
| } |
| return argument; |
| } |
| } |