| /* |
| * ProGuard -- shrinking, optimization, obfuscation, and preverification |
| * of Java bytecode. |
| * |
| * Copyright (c) 2002-2017 Eric Lafortune @ GuardSquare |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the Free |
| * Software Foundation; either version 2 of the License, or (at your option) |
| * any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| package proguard.ant; |
| |
| import org.apache.tools.ant.*; |
| import org.apache.tools.ant.types.*; |
| import proguard.*; |
| |
| import java.io.*; |
| import java.util.Properties; |
| |
| /** |
| * This DataType represents a reference to an XML-style ProGuard configuration |
| * in Ant, or a file set of ProGuard-style configuration files. |
| * |
| * @author Eric Lafortune |
| */ |
| public class ConfigurationElement extends FileSet |
| { |
| /** |
| * Adds the contents of this configuration element to the given |
| * configuration. |
| * @param configuration the configuration to be extended. |
| */ |
| public void appendTo(Configuration configuration) |
| { |
| File baseDir; |
| String[] fileNames; |
| |
| if (isReference()) |
| { |
| // Get the referenced path or file set. |
| Object referencedObject = getCheckedRef(Object.class, |
| Object.class.getName()); |
| |
| if (referencedObject instanceof ConfigurationTask) |
| { |
| // The reference doesn't point to a file set, but to a |
| // configuration task. |
| ConfigurationTask configurationTask = |
| (ConfigurationTask)referencedObject; |
| |
| // Append the contents of the referenced configuration to the |
| // current configuration. |
| configurationTask.appendTo(configuration); |
| |
| return; |
| } |
| else if (referencedObject instanceof AbstractFileSet) |
| { |
| AbstractFileSet fileSet = (AbstractFileSet)referencedObject; |
| |
| // Get the names of the existing input files in the referenced file set. |
| DirectoryScanner scanner = fileSet.getDirectoryScanner(getProject()); |
| baseDir = scanner.getBasedir(); |
| fileNames = scanner.getIncludedFiles(); |
| } |
| else |
| { |
| throw new BuildException("The refid attribute doesn't point to a <proguardconfiguration> element or a <fileset> element"); |
| } |
| } |
| else |
| { |
| // Get the names of the existing input files in the referenced file set. |
| DirectoryScanner scanner = getDirectoryScanner(getProject()); |
| baseDir = scanner.getBasedir(); |
| fileNames = scanner.getIncludedFiles(); |
| } |
| |
| // Get the combined system properties and Ant properties, for |
| // replacing ProGuard-style properties ('<...>'). |
| Properties properties = new Properties(); |
| properties.putAll(getProject().getProperties()); |
| |
| try |
| { |
| // Append the contents of the configuration files to the current |
| // configuration. |
| for (int index = 0; index < fileNames.length; index++) |
| { |
| File configurationFile = new File(baseDir, fileNames[index]); |
| |
| ConfigurationParser parser = |
| new ConfigurationParser(configurationFile, properties); |
| try |
| { |
| parser.parse(configuration); |
| } |
| catch (ParseException ex) |
| { |
| throw new BuildException(ex.getMessage()); |
| } |
| finally |
| { |
| parser.close(); |
| } |
| } |
| } |
| catch (IOException ex) |
| { |
| throw new BuildException(ex.getMessage()); |
| } |
| } |
| } |