| /******************************************************************************* |
| * Copyright (c) 2004, 2011 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.ant.internal.core; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Enumeration; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Properties; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.core.variables.IStringVariableManager; |
| import org.eclipse.core.variables.VariablesPlugin; |
| import org.osgi.framework.BundleContext; |
| |
| public class AntCoreUtil { |
| |
| private static BundleContext fgContext= null; |
| |
| public static void setBundleContext(BundleContext context) { |
| fgContext= context; |
| } |
| |
| public static BundleContext getBundleContext() { |
| return fgContext; |
| } |
| |
| /* |
| * Helper method to ensure an array is converted into an ArrayList. |
| */ |
| public static ArrayList getArrayList(String[] args) { |
| if (args == null) { |
| return null; |
| } |
| // We could be using Arrays.asList() here, but it does not specify |
| // what kind of list it will return. We need a list that |
| // implements the method List.remove(Object) and ArrayList does. |
| ArrayList result = new ArrayList(args.length); |
| for (int i = 0; i < args.length; i++) { |
| result.add(args[i]); |
| } |
| return result; |
| } |
| |
| /* |
| * From a command line list, get the argument for the given parameter. |
| * The parameter and its argument are removed from the list. |
| * |
| * @return <code>null</code> if the parameter is not found |
| * or an empty String if no arguments are found |
| */ |
| public static String getArgument(List commands, String param) { |
| if (commands == null) { |
| return null; |
| } |
| int index = commands.indexOf(param); |
| if (index == -1) { |
| return null; |
| } |
| commands.remove(index); |
| if (index == commands.size()) {// if this is the last command |
| return IAntCoreConstants.EMPTY_STRING; |
| } |
| |
| String command = (String) commands.get(index); |
| if (command.startsWith("-")) { //new parameter //$NON-NLS-1$ |
| return IAntCoreConstants.EMPTY_STRING; |
| } |
| commands.remove(index); |
| return command; |
| } |
| |
| public static void processMinusDProperties(List commands, Map userProperties) { |
| Iterator iter= commands.iterator(); |
| while (iter.hasNext()) { |
| String arg = (String) iter.next(); |
| if (arg.startsWith("-D")) { //$NON-NLS-1$ |
| String name = arg.substring(2, arg.length()); |
| String value = null; |
| int posEq = name.indexOf("="); //$NON-NLS-1$ |
| if (posEq == 0) { |
| value= name.substring(1); |
| name= IAntCoreConstants.EMPTY_STRING; |
| } else if (posEq > 0 && posEq != name.length() - 1) { |
| value = name.substring(posEq + 1).trim(); |
| name = name.substring(0, posEq); |
| } |
| |
| if (value == null) { |
| //the user has specified something like "-Debug" |
| continue; |
| } |
| |
| userProperties.put(name, value); |
| iter.remove(); |
| } |
| } |
| } |
| |
| public static File getFileRelativeToBaseDir(String fileName, String base, String buildFileLocation) { |
| IPath path= new Path(fileName); |
| if (!path.isAbsolute()) { |
| if (base != null) { |
| File baseDir= new File(base); |
| //relative to the base dir |
| path= new Path(baseDir.getAbsolutePath()); |
| } else { |
| //relative to the build file location |
| path= new Path(buildFileLocation); |
| path= path.removeLastSegments(1); |
| } |
| path= path.addTrailingSeparator(); |
| path= path.append(fileName); |
| } |
| |
| return path.toFile(); |
| } |
| |
| /** |
| * Returns a list of Properties contained in the list of fileNames. |
| */ |
| public static List loadPropertyFiles(List fileNames, String base, String buildFileLocation) throws IOException { |
| List allProperties= new ArrayList(fileNames.size()); |
| for (int i = 0; i < fileNames.size(); i++) { |
| String filename = (String) fileNames.get(i); |
| File file= getFileRelativeToBaseDir(filename, base, buildFileLocation); |
| Properties props = new Properties(); |
| FileInputStream fis = null; |
| try { |
| fis = new FileInputStream(file); |
| props.load(fis); |
| } finally { |
| if (fis != null) { |
| try { |
| fis.close(); |
| } catch (IOException e){ |
| } |
| } |
| } |
| Enumeration propertyNames = props.propertyNames(); |
| while (propertyNames.hasMoreElements()) { |
| String name = (String) propertyNames.nextElement(); |
| |
| String value= props.getProperty(name); |
| props.remove(name); |
| IStringVariableManager stringVariableManager = VariablesPlugin.getDefault().getStringVariableManager(); |
| try { |
| name= stringVariableManager.performStringSubstitution(name); |
| value= stringVariableManager.performStringSubstitution(value); |
| } catch (CoreException e) { |
| } |
| props.setProperty(name, value); |
| } |
| allProperties.add(props); |
| } |
| return allProperties; |
| } |
| } |