| /* |
| * Copyright 2007 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.tonicsystems.jarjar.util; |
| |
| import java.io.*; |
| import java.util.*; |
| import org.apache.tools.ant.BuildException; |
| import org.apache.tools.ant.taskdefs.Jar; |
| import org.apache.tools.ant.types.ZipFileSet; |
| import org.apache.tools.zip.JarMarker; |
| import org.apache.tools.zip.ZipExtraField; |
| import org.apache.tools.zip.ZipOutputStream; |
| |
| public abstract class AntJarProcessor extends Jar { |
| private EntryStruct struct = new EntryStruct(); |
| private JarProcessor proc; |
| private byte[] buf = new byte[0x2000]; |
| |
| private Set<String> dirs = new HashSet<String>(); |
| private boolean filesOnly; |
| |
| protected boolean verbose; |
| |
| private static final ZipExtraField[] JAR_MARKER = new ZipExtraField[] {JarMarker.getInstance()}; |
| |
| public void setVerbose(boolean verbose) { |
| this.verbose = verbose; |
| } |
| |
| public abstract void execute() throws BuildException; |
| |
| public void execute(JarProcessor proc) throws BuildException { |
| this.proc = proc; |
| super.execute(); |
| } |
| |
| public void setFilesonly(boolean f) { |
| super.setFilesonly(f); |
| filesOnly = f; |
| } |
| |
| protected void zipDir(File dir, ZipOutputStream zOut, String vPath, int mode) |
| throws IOException {} |
| |
| protected void zipFile( |
| InputStream is, |
| ZipOutputStream zOut, |
| String vPath, |
| long lastModified, |
| File fromArchive, |
| int mode) |
| throws IOException { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| IoUtil.pipe(is, baos, buf); |
| struct.data = baos.toByteArray(); |
| struct.name = vPath; |
| struct.time = lastModified; |
| if (proc.process(struct)) { |
| if (mode == 0) { |
| mode = ZipFileSet.DEFAULT_FILE_MODE; |
| } |
| if (!filesOnly) { |
| addParentDirs(struct.name, zOut); |
| } |
| super.zipFile( |
| new ByteArrayInputStream(struct.data), zOut, struct.name, struct.time, fromArchive, mode); |
| } |
| } |
| |
| private void addParentDirs(String file, ZipOutputStream zOut) throws IOException { |
| int slash = file.lastIndexOf('/'); |
| if (slash >= 0) { |
| String dir = file.substring(0, slash); |
| if (dirs.add(dir)) { |
| addParentDirs(dir, zOut); |
| super.zipDir((File) null, zOut, dir + "/", ZipFileSet.DEFAULT_DIR_MODE, JAR_MARKER); |
| } |
| } |
| } |
| |
| public void reset() { |
| super.reset(); |
| cleanHelper(); |
| } |
| |
| protected void cleanUp() { |
| super.cleanUp(); |
| cleanHelper(); |
| } |
| |
| protected void cleanHelper() { |
| verbose = false; |
| filesOnly = false; |
| dirs.clear(); |
| } |
| } |