/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.compress;
import org.exoplatform.commons.utils.PrivilegedFileHelper;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileFilter;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.jar.JarEntry;
import java.util.jar.JarOutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
/**
* Created by The eXo Platform SAS Author : Chung Nguyen
* nguyenchung136@yahoo.com Feb 10, 2006
*/
public class CompressData
{
/**
* The logger
*/
private static final Log LOG = ExoLogger.getLogger("org.exoplatform.services.compress.CompressData");
private String base_;
private List<DataInstance> datas_ = new ArrayList<DataInstance>();
protected static final int EOF = -1;
protected static final int BUFFER = 2048;
public CompressData()
{
}
public CompressData(String base)
{
base_ = base;
}
public String getBase()
{
return base_;
}
public void addFile(String entryName, File file)
{
try
{
InputStream is = PrivilegedFileHelper.fileInputStream(file);
datas_.add(new InputStreamDataInstance(entryName, is));
}
catch (FileNotFoundException e)
{
LOG.error(e.getLocalizedMessage(), e);
}
}
public void addDir(File srcDir)
{
if (srcDir.isFile())
{
addFile(srcDir.getName(), srcDir);
}
else
{
datas_.add(new FileDataInstance(srcDir.getName(), srcDir));
}
// create recursive loop to go through all files in the srcDir.....
}
public void addInputStream(String entryName, InputStream is) throws Exception
{
datas_.add(new InputStreamDataInstance(entryName, is));
}
public void createZipFile(String fileName) throws Exception
{
File fileZip = new File(fileName + ".zip");
FileOutputStream out = PrivilegedFileHelper.fileOutputStream(fileZip);
ZipOutputStream zos = new ZipOutputStream(out);
int size = datas_.size();
byte InputData[] = new byte[BUFFER];
if (size < 0)
{
throw new Exception("Data size is null");
}
for (int i = 0; i < size; i++)
{
DataInstance di = datas_.get(i);
if (di instanceof InputStreamDataInstance)
{
InputStream is = di.getInputStream();
zos.putNextEntry(new ZipEntry(di.getEntryName()));
int len;
while ((len = is.read(InputData)) != EOF)
{
zos.write(InputData, 0, len);
}
zos.closeEntry();
}
else if (di instanceof FileDataInstance)
{
di.getZipOut(true, zos);
}
}
zos.close();
out.close();
}
public void createZip(OutputStream os) throws Exception
{
int size = datas_.size();
ZipOutputStream zos = new ZipOutputStream(os);
if (size == 0)
throw new Exception("Data is null");
for (int i = 0; i < size; i++)
{
DataInstance di = datas_.get(i);
if (di instanceof InputStreamDataInstance)
{
InputStream is = di.getInputStream();
zos.putNextEntry(new ZipEntry(di.getEntryName()));
int len;
byte InputData[] = new byte[BUFFER];
while ((len = is.read(InputData)) != EOF)
{
zos.write(InputData, 0, len);
}
zos.closeEntry();
}
else if (di instanceof FileDataInstance)
{
di.setType("Zip");
InputStream is = di.getInputStream();
int len;
byte[] data = new byte[BUFFER];
while ((len = is.read(data)) != EOF)
{
os.write(data, 0, len);
}
is.close();
}
}
zos.close();
os.close();
}
public void createJarFile(String fileName) throws Exception
{
File fileZip = new File(fileName + ".jar");
FileOutputStream out = PrivilegedFileHelper.fileOutputStream(fileZip);
JarOutputStream jos = new JarOutputStream(out);
int size = datas_.size();
if (size < 0)
throw new Exception("Data size is null");
for (int i = 0; i < size; i++)
{
DataInstance di = datas_.get(i);
if (di instanceof InputStreamDataInstance)
{
String entryName = di.getEntryName();
InputStream is = di.getInputStream();
jos.putNextEntry(new ZipEntry(entryName));
int len;
byte InputData[] = new byte[BUFFER];
while ((len = is.read(InputData)) != EOF)
{
jos.write(InputData, 0, len);
}
jos.closeEntry();
}
else if (di instanceof FileDataInstance)
{
di.getJarOut(true, jos);
}
}
jos.close();
out.close();
}
public void createJar(OutputStream os) throws Exception
{
int size = datas_.size();
JarOutputStream jos = new JarOutputStream(os);
if (size == 0)
throw new Exception("Data is null");
for (int i = 0; i < size; i++)
{
DataInstance di = datas_.get(i);
if (di instanceof InputStreamDataInstance)
{
InputStream is = di.getInputStream();
jos.putNextEntry(new ZipEntry(di.getEntryName()));
int len;
byte InputData[] = new byte[BUFFER];
while ((len = is.read(InputData)) != EOF)
{
jos.write(InputData, 0, len);
}
jos.closeEntry();
is.close();
}
else if (di instanceof FileDataInstance)
{
di.setType("Jar");
InputStream is = di.getInputStream();
int len;
byte[] data = new byte[BUFFER];
while ((len = is.read(data)) != EOF)
{
os.write(data, 0, len);
}
is.close();
}
}
jos.close();
os.close();
}
public void cleanDataInstance()
{
int count = datas_.size();
for (int i = 0; i < count; i++)
{
datas_.remove(i);
}
}
abstract public static class DataInstance
{
protected String entryName_;
protected String typeZip_;
abstract public InputStream getInputStream();
abstract public void getJarOut(boolean containParent, JarOutputStream jos) throws Exception;
abstract public void getZipOut(boolean containParent, ZipOutputStream zos) throws Exception;
public String getEntryName()
{
return entryName_;
}
public void setType(String typeZip)
{
typeZip_ = typeZip;
}
public String getType()
{
return typeZip_;
}
}
public static class FileDataInstance extends DataInstance
{
private File file_;
public FileDataInstance(String entryName, File file)
{
entryName_ = entryName;
file_ = file;
}
@Override
public InputStream getInputStream()
{
ByteArrayOutputStream baos = new ByteArrayOutputStream();
if (getType().equals("Zip"))
{
ZipOutputStream zos = new ZipOutputStream(baos);
try
{
getZipOut(true, zos);
}
catch (Exception e)
{
LOG.error(e.getLocalizedMessage(), e);
}
}
else
{
JarOutputStream jos;
try
{
jos = new JarOutputStream(baos);
getJarOut(true, jos);
}
catch (Exception e)
{
LOG.error(e.getLocalizedMessage(), e);
}
}
InputStream is = new ByteArrayInputStream(baos.toByteArray());
try
{
baos.close();
}
catch (IOException e)
{
LOG.error(e.getLocalizedMessage(), e);
}
return is;
}
@Override
public void getJarOut(boolean containParent, JarOutputStream jos) throws Exception
{
String path = file_.getAbsolutePath();
InputStream bufInput = null;
List<File> list = listFile(file_);
if (file_.isDirectory())
list.remove(file_);
if (list == null || list.size() < 1)
throw new Exception("nothing in the list");
for (File f : list)
{
String filePath = f.getAbsolutePath();
if (filePath.startsWith(path))
{
if (containParent && file_.isDirectory())
filePath = file_.getName() + File.separator + filePath.substring(path.length() + 1);
else if (file_.isDirectory())
filePath = filePath.substring(path.length() + 1);
else
filePath = file_.getName();
}
if (f.isFile())
{
bufInput = PrivilegedFileHelper.fileInputStream(f);
}
else
filePath += "/";
addToArchive(jos, bufInput, filePath);
}
}
private List<File> listFile(File dir)
{
final List<File> list = new ArrayList<File>();
if (dir.isFile())
{
list.add(dir);
return list;
}
dir.listFiles(new FileFilter()
{
public boolean accept(File f)
{
if (f.isDirectory())
list.addAll(listFile(f));
list.add(f);
return true;
}
});
return list;
}
public ZipOutputStream addToArchive(ZipOutputStream zipOutput, InputStream input, String entryName1)
throws Exception
{
byte data[] = new byte[BUFFER];
ZipEntry entry = new ZipEntry(entryName1);
zipOutput.putNextEntry(entry);
if (input != null)
{
int count;
while ((count = input.read(data, 0, BUFFER)) != EOF)
zipOutput.write(data, 0, count);
}
zipOutput.closeEntry();
return zipOutput;
}
public JarOutputStream addToArchive(JarOutputStream jarOutput, InputStream input, String entryName1)
throws Exception
{
byte data[] = new byte[BUFFER];
JarEntry entry = new JarEntry(entryName1);
jarOutput.putNextEntry(entry);
if (input != null)
{
int count;
while ((count = input.read(data, 0, BUFFER)) != EOF)
jarOutput.write(data, 0, count);
}
jarOutput.closeEntry();
return jarOutput;
}
@Override
public void getZipOut(boolean containParent, ZipOutputStream zos) throws Exception
{
String path = file_.getAbsolutePath();
InputStream bufInput = null;
List<File> list = listFile(file_);
if (file_.isDirectory())
list.remove(file_);
if (list == null || list.size() < 1)
throw new Exception("nothing in the list");
for (File f : list)
{
String filePath = f.getAbsolutePath();
if (filePath.startsWith(path))
{
if (containParent && file_.isDirectory())
filePath = file_.getName() + File.separator + filePath.substring(path.length() + 1);
else if (file_.isDirectory())
filePath = filePath.substring(path.length() + 1);
else
filePath = file_.getName();
}
if (f.isFile())
{
bufInput = new FileInputStream(f);
}
else
filePath += "/";
addToArchive(zos, bufInput, filePath);
}
}
}
public static class InputStreamDataInstance extends DataInstance
{
private InputStream is_;
public InputStreamDataInstance(String entryName, InputStream is)
{
entryName_ = entryName;
is_ = is;
}
@Override
public InputStream getInputStream()
{
return is_;
}
@Override
public void getJarOut(boolean containParent, JarOutputStream jos) throws Exception
{
}
@Override
public void getZipOut(boolean containParent, ZipOutputStream zos) throws Exception
{
}
}
}