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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2013 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
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* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
/* Byron Nevins, April 2000
* ZipFile -- A utility class for exploding jar files that contain EJB(s). Used *only* in this package by the EJBImporter class
*/
package com.sun.enterprise.util.zip;
import com.sun.enterprise.util.io.FileListerRelative;
import java.io.*;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Logger;
import java.util.zip.ZipEntry;
import java.util.zip.ZipException;
import java.util.zip.ZipOutputStream;
public class ZipWriter {
public ZipWriter(String zipFilename, String dirName) throws ZipFileException {
init(zipFilename, dirName);
createItemList(null);
}
///////////////////////////////////////////////////////////////////////////////////////////////////////
public ZipWriter(String zipFilename, String dirName, ZipItem[] theItems) throws ZipFileException {
items = theItems;
init(zipFilename, dirName);
}
///////////////////////////////////////////////////////////////////////////////////////////////////////
public ZipWriter(String zipFilename, String dirName, String[] fileList) throws ZipFileException {
init(zipFilename, dirName);
createItemList(fileList);
}
///////////////////////////////////////////////////////////////////////////////////////////////////////
public ZipWriter(OutputStream outStream, String dirName, String[] fileList) throws ZipFileException {
init(outStream, dirName);
createItemList(fileList);
}
/**
* Exclude any files that are under these directories. E.g. suppose you have
* C:/temp/x1, C:/temp/x2 and C:/temp/x3 and the root is set to c:temp. Then
* to exclude the contents of the second 2 dirs you would send in a String
* array with "x2" and "x3"
*
* @param dirs an array of top-level directory names
*/
public void excludeDirs(String[] dirs) {
if (dirs == null || dirs.length <= 0)
return;
// make sure the names all end with "/"
for (int i = 0; i < dirs.length; i++) {
if (!dirs[i].endsWith("/"))
dirs[i] += "/";
}
// copy all the items we will retain into list
List list = new ArrayList(items.length);
for (int i = 0; i < items.length; i++) {
boolean exclude = false;
for (int j = 0; j < dirs.length; j++) {
if (items[i].name.startsWith(dirs[j])) {
exclude = true;
break; // don't waste time looking at more dirs!
}
}
if (!exclude) {
list.add(items[i]);
}
}
// reset items to the pruned list
if (list.size() != items.length) {
items = new ZipItem[list.size()];
items = list.toArray(items);
}
}
/**
* Exclude any files that are under these directories. In this case if the
* dir name matches with ANY directory anywhere in the path -- exclude it.
* E.g. say you don't want to copy /a/b/c/osgi-cache/*.* then simply call
* this method with one of the dirs equal to "osgi-cache"
*
* @param dirs an array of directory names
* @since 4.0
*/
public void excludeDirsAnywhere(String[] dirs) {
if (dirs == null || dirs.length <= 0)
return;
// make sure the names all start and end with "/"
for (int i = 0; i < dirs.length; i++) {
if (!dirs[i].startsWith("/"))
dirs[i] = "/" + dirs[i];
if (!dirs[i].endsWith("/"))
dirs[i] += "/";
}
// copy all the items we will retain into list
List list = new ArrayList(items.length);
for (int i = 0; i < items.length; i++) {
boolean exclude = false;
String item = "/" + items[i].name;
for (int j = 0; j < dirs.length; j++) {
if (item.indexOf(dirs[j]) >= 0) {
exclude = true;
break; // don't waste time looking at more dirs!
}
}
if (!exclude) {
list.add(items[i]);
}
}
// reset items to the pruned list
if (list.size() != items.length) {
items = new ZipItem[list.size()];
items = list.toArray(items);
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
private void init(String outFileName, String dirName) throws ZipFileException {
try {
// ambiguous overload of the 2 init methods if the first arg is plain null.
init((OutputStream)null, dirName);
userOutFile = new File(outFileName);
}
catch (Exception e) {
throw new ZipFileException(e);
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
private void close() {
// close the stream in ALL cases -- even if the caller sent in the already-made stream
try {
if (zipStream != null)
zipStream.close();
}
catch (Exception e) {
// nothing can be done about it.
}
zipStream = null;
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
private void init(OutputStream outStream, String dirName) throws ZipFileException {
try {
userStream = outStream; // might be null
if (dirName == null)
throw new IllegalArgumentException("null dirName");
//make sure it's really a directory
File f = new File(dirName);
if (!f.exists())
throw new ZipFileException("directory (" + dirName + ") doesn't exist");
if (!f.isDirectory())
throw new ZipFileException(dirName + " is not a directory");
// change the filename to be full-path & UNIX style
try {
dirName = f.getCanonicalPath();
}
catch (IOException e) {
dirName = f.getAbsolutePath();
}
dirName = dirName.replace('\\', '/'); // all UNIX-style filenames...
// we need the dirname to end in a '/'
if (!dirName.endsWith("/"))
dirName += "/";
this.dirName = dirName;
}
catch (ZipFileException zfe) {
throw zfe;
}
catch (Throwable t) {
throw new ZipFileException(t);
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
* Does not throw an exception when there is a duplicate zip entry.
*
* @throws ZipFileException if an error while creating the archive
*/
public void safeWrite() throws ZipFileException {
try {
setupZipStream();
for (int i = 0; i < items.length; i++) {
try {
addEntry(items[i]);
}
catch (ZipException e) {
// ignore - duplicate zip entry
}
}
}
catch (ZipFileException z) {
throw z;
}
catch (Exception e) {
throw new ZipFileException(e);
}
finally {
close();
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
public void write() throws ZipFileException {
try {
setupZipStream();
for (int i = 0; i < items.length; i++) {
addEntry(items[i]);
}
}
catch (ZipFileException z) {
throw z;
}
catch (Exception e) {
throw new ZipFileException(e);
}
finally {
close();
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
private void addEntry(ZipItem item) throws ZipFileException, IOException {
int totalBytes = 0;
ZipEntry ze = new ZipEntry(item.name);
zipStream.putNextEntry(ze);
if (!item.name.endsWith("/")) {
FileInputStream in = new FileInputStream(item.file);
try {
for (int numBytes = in.read(buffer); numBytes > 0; numBytes = in.read(buffer)) {
zipStream.write(buffer, 0, numBytes);
totalBytes += numBytes;
}
}
finally {
if (in != null)
try {
in.close();
}
catch (IOException e) {
}
}
}
zipStream.closeEntry();
Logger.getAnonymousLogger().finer("Wrote " + item.name + " to Zip File. Wrote " + totalBytes + " bytes.");
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
private void createItemList(String[] files) throws ZipFileException {
try {
if (files == null) {
FileListerRelative lister = new FileListerRelative(new File(dirName));
files = lister.getFiles();
}
if (files.length <= 0)
throw new ZipFileException("No files to add!");
items = new ZipItem[files.length];
for (int i = 0; i < files.length; i++) {
File f = new File(dirName + files[i]);
items[i] = new ZipItem(f, files[i].replace('\\', '/')); // just in case...
// bnevins -- add a trailing "/" to empty directories
if (f.isDirectory())
items[i].name += "/";
}
}
catch (Throwable t) {
throw new ZipFileException(t);
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
String getDirName() {
return dirName;
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
private static void usage() {
System.out.println("usage: java com.elf.util.zip.ZipWriter zip-filename directory-name");
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
public static void main(String[] args) {
if (args == null || args.length != 2) {
usage();
return;
}
try {
ZipWriter zw = new ZipWriter(args[0], args[1]);
zw.write();
}
catch (ZipFileException e) {
// nothing to do.
}
}
/////////////////////////////////////////////////////////////////////////////////////////
private void setupZipStream() throws FileNotFoundException {
// 2 cases, either user supplied an output filename or an output stream
if(userStream != null)
zipStream = new ZipOutputStream(userStream);
else
zipStream = new ZipOutputStream(new FileOutputStream(userOutFile));
}
/////////////////////////////////////////////////////////////////////////////////////////
//private String zipFilename = null;
private String dirName = null;
private OutputStream userStream;
private File userOutFile;
private ZipOutputStream zipStream;
private byte[] buffer = new byte[16384];
private ZipItem[] items = null;
}