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/* Byron Nevins, April 2000
* ZipFile -- A utility class for exploding archive (zip) files.
*/
package com.sun.enterprise.util.zip;
import com.sun.enterprise.util.CULoggerInfo;
import com.sun.enterprise.util.io.FileUtils;
import java.io.*;
import java.util.*;
import java.util.jar.JarFile;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.zip.*;
///////////////////////////////////////////////////////////////////////////////
public class ZipFile {
public ZipFile(String zipFilename, String explodeDirName) throws ZipFileException {
this(new File(zipFilename), new File(explodeDirName));
}
///////////////////////////////////////////////////////////////////////////
public ZipFile(InputStream inStream, String anExplodeDirName) throws ZipFileException {
this(new BufferedInputStream(inStream, BUFFER_SIZE), new File(anExplodeDirName));
}
///////////////////////////////////////////////////////////////////////////
public ZipFile(File zipFile, File anExplodeDir) throws ZipFileException {
checkZipFile(zipFile);
BufferedInputStream bis = null;
try {
bis = new BufferedInputStream(new FileInputStream(zipFile), BUFFER_SIZE);
ctor(bis, anExplodeDir);
this.zipFile = zipFile;
} catch (Throwable e) {
if (bis != null) {
try {
bis.close();
} catch (Throwable thr) {
throw new ZipFileException(thr);
}
}
throw new ZipFileException(e);
}
}
///////////////////////////////////////////////////////////////////////////
public ZipFile(InputStream inStream, File anExplodeDir) throws ZipFileException {
ctor(inStream, anExplodeDir);
}
/**
* Explodes files as usual, and then explodes every jar file found. All
* explosions are copied relative the same root directory.<p>It does a
* case-sensitive check for files that end with ".jar" will comment out for
* later possbile use public ArrayList explodeAll() throws ZipFileException
* { return doExplode(this); }
*/
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
public ArrayList<String> explode() throws ZipFileException {
files = new ArrayList<String>();
ZipInputStream zin = null;
BufferedOutputStream bos = null;
try {
zin = zipStream; // new ZipInputStream(new FileInputStream(zipFile));
ZipEntry ze;
while ((ze = zin.getNextEntry()) != null) {
String filename = ze.getName();
/*
if(isManifest(filename))
{
continue; // don't bother with manifest file...
}
*/
File fullpath;
if (isDirectory(filename)) {
// just a directory -- make it and move on...
fullpath = new File(explodeDir, filename.substring(0, filename.length() - 1));
if (!fullpath.mkdirs()) {
throw new IOException("Cannot create directory: " + fullpath);
}
continue;
}
fullpath = new File(explodeDir, filename);
File newDir = fullpath.getParentFile();
if (!newDir.mkdirs()) {
_utillogger.log(Level.FINE, "Cannot create directory {0}", newDir);
}
if (fullpath.delete()) { // wipe-out pre-existing files
/*
* Report that a file is being overwritten.
*/
if (_utillogger.isLoggable(Level.FINE)) {
_utillogger.log(Level.FINE, "File {0} is being overwritten during expansion of {1}", new Object[]{fullpath.getAbsolutePath(), zipFile != null ? ("file " + zipFile.getAbsolutePath()) : "stream"});
}
}
File f = new File(explodeDir, filename);
if (f.isDirectory()) {
continue; // e.g. if we asked to write to a directory instead of a file...
}
bos = new BufferedOutputStream(getOutputStream(f), BUFFER_SIZE);
int totalBytes = 0;
for (int numBytes = zin.read(buffer); numBytes > 0; numBytes = zin.read(buffer)) {
bos.write(buffer, 0, numBytes);
totalBytes += numBytes;
}
bos.close();
bos = null;
files.add(filename);
}
} catch (IOException e) {
throw new ZipFileException(e);
} finally {
if (bos != null) {
try {
bos.close();
} catch (IOException e) {
}
}
try {
if (zin != null) {
zin.close();
}
} catch (IOException e) {
throw new ZipFileException("Got an exception while trying to close Jar input stream: " + e);//NOI18N
}
}
return files;
}
/**
* Extracts the named jar file from the ear.
*
* @param jarEntryName name of the jar file
* @param earFile application archive
* @param jarFile locaton of the jar file where the jar entry will be
* extracted
*
* @return the named jar file from the ear
*
* @exception ZipFileException if an error while extracting the jar
*/
public static void extractJar(String jarEntryName, JarFile earFile,
File jarFile) throws ZipFileException {
try {
File parent = jarFile.getParentFile();
if (!parent.exists()) {
if (!parent.mkdirs()) {
throw new ZipFileException("Cannot create directory: " + parent);
}
}
ZipEntry jarEntry = earFile.getEntry(jarEntryName);
if (jarEntry == null) {
throw new ZipFileException(jarEntryName
+ " not found in " + earFile.getName());
}
InputStream is = earFile.getInputStream(jarEntry);
FileOutputStream fos = new FileOutputStream(jarFile);
// the FileUtils.copy will buffer the streams,
// so we won't buffer them here.
FileUtils.copy(is, fos, jarEntry.getSize());
} catch (IOException e) {
throw new ZipFileException(e);
}
}
///////////////////////////////////////////////////////////////////////////
public ArrayList getFileList() {
return files;
}
/**
* *********************************************************************
* /******************************** Private ******************************
/**********************************************************************
*/
/* Apparently this method is never called. Don't know the history
* about this method so commenting it out as opposed to removing it
* for now.
private static ArrayList<String> doExplode(ZipFile zf) throws ZipFileException
{
ArrayList<String> finalList = new ArrayList<String>(50);
ArrayList<ZipFile> zipFileList = new ArrayList<ZipFile>();
ArrayList tmpList = null;
ZipFile tmpZf = null;
Iterator itr = null;
String fileName = null;
zipFileList.add(zf);
while (zipFileList.size() > 0)
{
// get "last" jar to explode
tmpZf = zipFileList.remove(zipFileList.size() - 1);
tmpList = tmpZf.explode();
// traverse list of files
itr = tmpList.iterator();
while (itr.hasNext())
{
fileName = (String)itr.next();
if ( ! fileName.endsWith(".jar") )
{
// add non-jar file to finalList
finalList.add(fileName);
}
else
{
// create ZipFile and add to zipFileList
File f = new File(tmpZf.explodeDir, fileName);
ZipFile newZf = new ZipFile(f, tmpZf.explodeDir);
zipFileList.add(newZf);
}
if (tmpZf != zf) // don't remove first ZipFile
{
tmpZf.explodeDir.delete();
}
}
}
return finalList;
}
*/
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
private void ctor(InputStream inStream, File anExplodeDir) throws ZipFileException {
insist(anExplodeDir != null);
explodeDir = anExplodeDir;
try {
zipStream = new ZipInputStream(inStream);
checkExplodeDir();
} catch (Throwable t) {
if (zipStream != null) {
try {
zipStream.close();
} catch (Throwable thr) {
}
}
throw new ZipFileException(t.toString());
}
}
///////////////////////////////////////////////////////////////////////////
private boolean isDirectory(String s) {
char c = s.charAt(s.length() - 1);
return c == '/' || c == '\\';
}
/////////////////////////////////////////////////////////////////////////////////////////
private void checkZipFile(File zipFile) throws ZipFileException {
insist(zipFile != null);
String zipFileName = zipFile.getPath();
insist(zipFile.exists(), "zipFile (" + zipFileName + ") doesn't exist");//NOI18N
insist(!zipFile.isDirectory(), "zipFile (" + zipFileName + ") is actually a directory!");//NOI18N
}
/////////////////////////////////////////////////////////////////////////////////////////
private void checkExplodeDir() throws ZipFileException {
String explodeDirName = explodeDir.getPath();
// just in case...
insist(explodeDir.mkdirs(), "Unable to create target directory: " + explodeDirName);
insist(explodeDir.exists(), "Target Directory doesn't exist: " + explodeDirName);//NOI18N
insist(explodeDir.isDirectory(), "Target Directory isn't a directory: " + explodeDirName);//NOI18N
insist(explodeDir.canWrite(), "Can't write to Target Directory: " + explodeDirName);//NOI18N
}
/////////////////////////////////////////////////////////////////////////////////////////
private FileOutputStream getOutputStream(File f) throws ZipFileException {
try {
return new FileOutputStream(f);
} catch (FileNotFoundException e) {
throw new ZipFileException("filename: " + f.getPath() + " " + e);
} catch (IOException e) {
throw new ZipFileException(e);
}
}
/////////////////////////////////////////////////////////////////////////////////////////
//////////// //////////////////////////
//////////// Internal Error-Checking Stuff //////////////////////////
//////////// //////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////
private static void insist(boolean b) throws ZipFileException {
if (!b) {
throw new ZipFileException();
}
}
/////////////////////////////////////////////////////////////////////////////////////////
private static void insist(boolean b, String mesg) throws ZipFileException {
if (!b) {
throw new ZipFileException(mesg);
}
}
/////////////////////////////////////////////////////////////////////////////////////////
private static final int BUFFER_SIZE = 0x10000; //64k
private File explodeDir = null;
private ArrayList<String> files = null;
private static final String specialDir = "META-INF/";//NOI18N
private byte[] buffer = new byte[BUFFER_SIZE];
private ZipInputStream zipStream = null;
private static final Logger _utillogger = CULoggerInfo.getLogger();
private File zipFile = null;
}
////////////////