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/*
* IzPack - Copyright 2001-2008 Julien Ponge, All Rights Reserved.
*
* http://izpack.org/ http://izpack.codehaus.org/
*
* Copyright 2007 Dennis Reil
*
* 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.izforge.izpack.compiler;
import com.izforge.izpack.Pack;
import com.izforge.izpack.PackFile;
import com.izforge.izpack.XPackFile;
import com.izforge.izpack.io.FileSpanningOutputStream;
import com.izforge.izpack.util.Debug;
import com.izforge.izpack.util.FileUtil;
import net.n3.nanoxml.XMLElement;
import java.io.*;
import java.net.URL;
import java.util.*;
import java.util.zip.*;
/**
* The packager class. The packager is used by the compiler to put files into an installer, and
* create the actual installer files.
*
* This is a packager, which packs everything into multi volumes.
*
* @author Dennis Reil,
*/
public class MultiVolumePackager extends PackagerBase
{
public static final String INSTALLER_PAK_NAME = "installer";
/**
* Executable zipped output stream. First to open, last to close.
*/
private ZipOutputStream primaryJarStream;
private XMLElement configdata = null;
/**
* The constructor.
*
* @throws CompilerException
*/
public MultiVolumePackager() throws CompilerException
{
this("default");
}
/**
* Extended constructor.
*
* @param compr_format Compression format to be used for packs compression format (if supported)
* @throws CompilerException
*/
public MultiVolumePackager(String compr_format) throws CompilerException
{
this(compr_format, -1);
}
/**
* Extended constructor.
*
* @param compr_format Compression format to be used for packs
* @param compr_level Compression level to be used with the chosen compression format (if
* supported)
* @throws CompilerException
*/
public MultiVolumePackager(String compr_format, int compr_level) throws CompilerException
{
initPackCompressor(compr_format, compr_level);
}
/**
* Create the installer, beginning with the specified jar. If the name specified does not end in
* ".jar", it is appended. If secondary jars are created for packs (if the Info object added has
* a webDirURL set), they are created in the same directory, named sequentially by inserting
* ".pack#" (where '#' is the pack number) ".jar" suffix: e.g. "foo.pack1.jar". If any file
* exists, it is overwritten.
*/
public void createInstaller(File primaryFile) throws Exception
{
// first analyze the configuration
this.analyzeConfigurationInformation();
// preliminary work
String baseName = primaryFile.getName();
if (baseName.endsWith(".jar"))
{
baseName = baseName.substring(0, baseName.length() - 4);
baseFile = new File(primaryFile.getParentFile(), baseName);
}
else
{
baseFile = primaryFile;
}
info.setInstallerBase(baseFile.getName());
packJarsSeparate = (info.getWebDirURL() != null);
// primary (possibly only) jar. -1 indicates primary
primaryJarStream = getJarOutputStream(baseFile.getName() + ".jar");
sendStart();
writeInstaller();
// Pack File Data may be written to separate jars
String packfile = baseFile.getParent() + File.separator + INSTALLER_PAK_NAME;
writePacks(new File(packfile));
// Finish up. closeAlways is a hack for pack compressions other than
// default. Some of it (e.g. BZip2) closes the slave of it also.
// But this should not be because the jar stream should be open
// for the next pack. Therefore an own JarOutputStream will be used
// which close method will be blocked.
// primaryJarStream.closeAlways();
primaryJarStream.close();
sendStop();
}
/**
* ********************************************************************************************
* Listener assistance
* ********************************************************************************************
*/
private void analyzeConfigurationInformation()
{
String classname = this.getClass().getName();
String sizeprop = classname + ".volumesize";
String freespaceprop = classname + ".firstvolumefreespace";
if (this.configdata == null)
{
// no configdata given, set default values
this.variables.setProperty(sizeprop, Long.toString(FileSpanningOutputStream.DEFAULT_VOLUME_SIZE));
this.variables.setProperty(freespaceprop, Long.toString(FileSpanningOutputStream.DEFAULT_ADDITIONAL_FIRST_VOLUME_FREE_SPACE_SIZE));
}
else
{
// configdata was set
String volumesize = configdata.getAttribute("volumesize", Long.toString(FileSpanningOutputStream.DEFAULT_VOLUME_SIZE));
String freespace = configdata.getAttribute("firstvolumefreespace", Long.toString(FileSpanningOutputStream.DEFAULT_ADDITIONAL_FIRST_VOLUME_FREE_SPACE_SIZE));
this.variables.setProperty(sizeprop, volumesize);
this.variables.setProperty(freespaceprop, freespace);
}
}
/***********************************************************************************************
* Private methods used when writing out the installer to jar files.
**********************************************************************************************/
/**
* Write skeleton installer to primary jar. It is just an included jar, except that we copy the
* META-INF as well.
*/
protected void writeSkeletonInstaller() throws IOException
{
sendMsg("Copying the skeleton installer", PackagerListener.MSG_VERBOSE);
InputStream is = MultiVolumePackager.class.getResourceAsStream("/" + SKELETON_SUBPATH);
if (is == null)
{
File skeleton = new File(Compiler.IZPACK_HOME, SKELETON_SUBPATH);
is = new FileInputStream(skeleton);
}
ZipInputStream inJarStream = new ZipInputStream(is);
// copy anything except the manifest.mf
List excludes = new ArrayList();
excludes.add("META-INF.MANIFEST.MF");
copyZipWithoutExcludes(inJarStream, primaryJarStream, excludes);
// ugly code to modify the manifest-file to set MultiVolumeInstaller as main class
// reopen Stream
is = MultiVolumePackager.class.getResourceAsStream("/" + SKELETON_SUBPATH);
if (is == null)
{
File skeleton = new File(Compiler.IZPACK_HOME, SKELETON_SUBPATH);
is = new FileInputStream(skeleton);
}
inJarStream = new ZipInputStream(is);
boolean found = false;
ZipEntry ze = null;
String modifiedmanifest = null;
while (((ze = inJarStream.getNextEntry()) != null) && !found)
{
if ("META-INF/MANIFEST.MF".equals(ze.getName()))
{
long size = ze.getSize();
byte[] buffer = new byte[4096];
int readbytes = 0;
int totalreadbytes = 0;
StringBuffer manifest = new StringBuffer();
while (((readbytes = inJarStream.read(buffer)) > 0) && (totalreadbytes < size))
{
totalreadbytes += readbytes;
String tmp = new String(buffer, 0, readbytes, "utf-8");
manifest.append(tmp);
}
StringReader stringreader = new StringReader(manifest.toString());
BufferedReader reader = new BufferedReader(stringreader);
String line = null;
StringBuffer modified = new StringBuffer();
while ((line = reader.readLine()) != null)
{
if (line.startsWith("Main-Class:"))
{
line = "Main-Class: com.izforge.izpack.installer.MultiVolumeInstaller";
}
modified.append(line);
modified.append("\r\n");
}
reader.close();
modifiedmanifest = modified.toString();
/*
System.out.println("Manifest:");
System.out.println(manifest.toString());
System.out.println("Modified Manifest:");
System.out.println(modified.toString());
*/
break;
}
}
primaryJarStream.putNextEntry(new ZipEntry("META-INF/MANIFEST.MF"));
primaryJarStream.write(modifiedmanifest.getBytes());
primaryJarStream.closeEntry();
}
/**
* Write an arbitrary object to primary jar.
*/
protected void writeInstallerObject(String entryName, Object object) throws IOException
{
primaryJarStream.putNextEntry(new ZipEntry(entryName));
ObjectOutputStream out = new ObjectOutputStream(primaryJarStream);
out.writeObject(object);
out.flush();
primaryJarStream.closeEntry();
}
/**
* Write the data referenced by URL to primary jar.
*/
protected void writeInstallerResources() throws IOException
{
sendMsg("Copying " + installerResourceURLMap.size() + " files into installer");
for (String s : installerResourceURLMap.keySet())
{
String name = s;
InputStream in = (installerResourceURLMap.get(name)).openStream();
org.apache.tools.zip.ZipEntry newEntry = new org.apache.tools.zip.ZipEntry(name);
long dateTime = FileUtil.getFileDateTime(installerResourceURLMap.get(name));
if (dateTime != -1)
{
newEntry.setTime(dateTime);
}
primaryJarStream.putNextEntry(newEntry);
copyStream(in, primaryJarStream);
primaryJarStream.closeEntry();
in.close();
}
}
/**
* Copy included jars to primary jar.
*/
protected void writeIncludedJars() throws IOException
{
sendMsg("Merging " + includedJarURLs.size() + " jars into installer");
for (Object[] includedJarURL : includedJarURLs)
{
Object[] current = includedJarURL;
InputStream is = ((URL) current[0]).openStream();
ZipInputStream inJarStream = new ZipInputStream(is);
copyZip(inJarStream, primaryJarStream, (List) current[1]);
}
}
/**
* Write Packs to primary jar or each to a separate jar.
*/
private void writePacks(File primaryfile) throws Exception
{
final int num = packsList.size();
sendMsg("Writing " + num + " Pack" + (num > 1 ? "s" : "") + " into installer");
Debug.trace("Writing " + num + " Pack" + (num > 1 ? "s" : "") + " into installer");
// Map to remember pack number and bytes offsets of back references
Map storedFiles = new HashMap();
// First write the serialized files and file metadata data for each pack
// while counting bytes.
String classname = this.getClass().getName();
String volumesize = this.getVariables().getProperty(classname + ".volumesize");
String extraspace = this.getVariables().getProperty(classname + ".firstvolumefreespace");
long volumesizel = FileSpanningOutputStream.DEFAULT_VOLUME_SIZE;
long extraspacel = FileSpanningOutputStream.DEFAULT_ADDITIONAL_FIRST_VOLUME_FREE_SPACE_SIZE;
if (volumesize != null)
{
volumesizel = Long.parseLong(volumesize);
}
if (extraspace != null)
{
extraspacel = Long.parseLong(extraspace);
}
Debug.trace("Volumesize: " + volumesizel);
Debug.trace("Extra space on first volume: " + extraspacel);
FileSpanningOutputStream fout = new FileSpanningOutputStream(primaryfile.getParent()
+ File.separator + primaryfile.getName() + ".pak", volumesizel);
fout.setFirstvolumefreespacesize(extraspacel);
int packNumber = 0;
for (PackInfo aPacksList : packsList)
{
PackInfo packInfo = aPacksList;
Pack pack = packInfo.getPack();
pack.nbytes = 0;
sendMsg("Writing Pack " + packNumber + ": " + pack.name, PackagerListener.MSG_VERBOSE);
Debug.trace("Writing Pack " + packNumber + ": " + pack.name);
ZipEntry entry = new ZipEntry("packs/pack" + packNumber);
// write the metadata as uncompressed object stream to primaryJarStream
// first write a packs entry
primaryJarStream.putNextEntry(entry);
ObjectOutputStream objOut = new ObjectOutputStream(primaryJarStream);
// We write the actual pack files
objOut.writeInt(packInfo.getPackFiles().size());
Iterator iter = packInfo.getPackFiles().iterator();
for (Object o : packInfo.getPackFiles())
{
boolean addFile = !pack.loose;
PackFile packfile = (PackFile) o;
XPackFile pf = new XPackFile(packfile);
File file = packInfo.getFile(packfile);
Debug.trace("Next file: " + file.getAbsolutePath());
// use a back reference if file was in previous pack, and in
// same jar
Object[] info = (Object[]) storedFiles.get(file);
if (info != null && !packJarsSeparate)
{
Debug.trace("File already included in other pack");
pf.setPreviousPackFileRef((String) info[0], (Long) info[1]);
addFile = false;
}
if (addFile && !pf.isDirectory())
{
long pos = fout.getFilepointer();
pf.setArchivefileposition(pos);
// write out the filepointer
int volumecountbeforewrite = fout.getVolumeCount();
FileInputStream inStream = new FileInputStream(file);
long bytesWritten = copyStream(inStream, fout);
fout.flush();
long posafterwrite = fout.getFilepointer();
Debug.trace("File (" + pf.sourcePath + ") " + pos + " <-> " + posafterwrite);
if (fout.getFilepointer() != (pos + bytesWritten))
{
Debug.trace("file: " + file.getName());
Debug.trace("(Filepos/BytesWritten/ExpectedNewFilePos/NewFilePointer) ("
+ pos + "/" + bytesWritten + "/" + (pos + bytesWritten)
+ "/" + fout.getFilepointer() + ")");
Debug.trace("Volumecount (before/after) ("
+ volumecountbeforewrite + "/" + fout.getVolumeCount() + ")");
throw new IOException("Error new filepointer is illegal");
}
if (bytesWritten != pf.length())
{
throw new IOException(
"File size mismatch when reading " + file);
}
inStream.close();
// keine backreferences mglich
// storedFiles.put(file, new long[] { packNumber, pos});
}
objOut.writeObject(pf); // base info
objOut.flush(); // make sure it is written
// even if not written, it counts towards pack size
pack.nbytes += pf.length();
}
// Write out information about parsable files
objOut.writeInt(packInfo.getParsables().size());
iter = packInfo.getParsables().iterator();
while (iter.hasNext())
{
objOut.writeObject(aPacksList);
}
// Write out information about executable files
objOut.writeInt(packInfo.getExecutables().size());
iter = packInfo.getExecutables().iterator();
while (iter.hasNext())
{
objOut.writeObject(aPacksList);
}
// Write out information about updatecheck files
objOut.writeInt(packInfo.getUpdateChecks().size());
iter = packInfo.getUpdateChecks().iterator();
while (iter.hasNext())
{
objOut.writeObject(aPacksList);
}
// Cleanup
objOut.flush();
packNumber++;
}
// write metadata for reading in volumes
int volumes = fout.getVolumeCount();
Debug.trace("Written " + volumes + " volumes");
String volumename = primaryfile.getName() + ".pak";
fout.flush();
fout.close();
primaryJarStream.putNextEntry(new ZipEntry("volumes.info"));
ObjectOutputStream out = new ObjectOutputStream(primaryJarStream);
out.writeInt(volumes);
out.writeUTF(volumename);
out.flush();
primaryJarStream.closeEntry();
// Now that we know sizes, write pack metadata to primary jar.
primaryJarStream.putNextEntry(new ZipEntry("packs.info"));
out = new ObjectOutputStream(primaryJarStream);
out.writeInt(packsList.size());
for (PackInfo aPacksList : packsList)
{
PackInfo pack = aPacksList;
out.writeObject(pack.getPack());
}
out.flush();
primaryJarStream.closeEntry();
}
/***********************************************************************************************
* Stream utilites for creation of the installer.
**********************************************************************************************/
/**
* Return a stream for the next jar.
*/
private ZipOutputStream getJarOutputStream(String name) throws IOException
{
File file = new File(baseFile.getParentFile(), name);
sendMsg("Building installer jar: " + file.getAbsolutePath());
Debug.trace("Building installer jar: " + file.getAbsolutePath());
ZipOutputStream jar = new ZipOutputStream(new FileOutputStream(file));
jar.setLevel(Deflater.BEST_COMPRESSION);
// jar.setPreventClose(true); // Needed at using FilterOutputStreams which
// calls close
// of the slave at finalizing.
return jar;
}
/**
* Copies specified contents of one jar to another.
*
*
* TODO: it would be useful to be able to keep signature information from signed jar files, can
* we combine manifests and still have their content signed?
*
* @see #copyStream(InputStream, OutputStream)
*/
private void copyZip(ZipInputStream zin, ZipOutputStream out, List files) throws IOException
{
java.util.zip.ZipEntry zentry;
if (!alreadyWrittenFiles.containsKey(out))
{
alreadyWrittenFiles.put(out, new HashSet());
}
HashSet currentSet = alreadyWrittenFiles.get(out);
while ((zentry = zin.getNextEntry()) != null)
{
String currentName = zentry.getName();
String testName = currentName.replace('/', '.');
testName = testName.replace('\\', '.');
if (files != null)
{
Iterator i = files.iterator();
boolean founded = false;
while (i.hasNext())
{ // Make "includes" self to support regex.
String doInclude = i.next();
if (testName.matches(doInclude))
{
founded = true;
break;
}
}
if (!founded)
{
continue;
}
}
if (currentSet.contains(currentName))
{
continue;
}
try
{
// Create new entry for zip file.
ZipEntry newEntry = new ZipEntry(currentName);
// Get input file date and time.
long fileTime = zentry.getTime();
// Make sure there is date and time set.
if (fileTime != -1)
{
newEntry.setTime(fileTime); // If found set it into output file.
}
out.putNextEntry(newEntry);
copyStream(zin, out);
out.closeEntry();
zin.closeEntry();
currentSet.add(currentName);
}
catch (ZipException x)
{
// This avoids any problem that can occur with duplicate
// directories. for instance all META-INF data in jars
// unfortunately this do not work with the apache ZipOutputStream...
}
}
}
/**
* Copies specified contents of one jar to another without the specified files
*
*
* TODO: it would be useful to be able to keep signature information from signed jar files, can
* we combine manifests and still have their content signed?
*
* @see #copyStream(InputStream, OutputStream)
*/
private void copyZipWithoutExcludes(ZipInputStream zin, ZipOutputStream out, List excludes) throws IOException
{
java.util.zip.ZipEntry zentry;
if (!alreadyWrittenFiles.containsKey(out))
{
alreadyWrittenFiles.put(out, new HashSet());
}
HashSet currentSet = alreadyWrittenFiles.get(out);
while ((zentry = zin.getNextEntry()) != null)
{
String currentName = zentry.getName();
String testName = currentName.replace('/', '.');
testName = testName.replace('\\', '.');
if (excludes != null)
{
Iterator i = excludes.iterator();
boolean skip = false;
while (i.hasNext())
{
// Make "excludes" self to support regex.
String doExclude = i.next();
if (testName.matches(doExclude))
{
skip = true;
break;
}
}
if (skip)
{
continue;
}
}
if (currentSet.contains(currentName))
{
continue;
}
try
{
// Create new entry for zip file.
ZipEntry newEntry = new ZipEntry(currentName);
// Get input file date and time.
long fileTime = zentry.getTime();
// Make sure there is date and time set.
if (fileTime != -1)
{
newEntry.setTime(fileTime); // If found set it into output file.
}
out.putNextEntry(newEntry);
copyStream(zin, out);
out.closeEntry();
zin.closeEntry();
currentSet.add(currentName);
}
catch (ZipException x)
{
// This avoids any problem that can occur with duplicate
// directories. for instance all META-INF data in jars
// unfortunately this do not work with the apache ZipOutputStream...
}
}
}
/**
* Copies all the data from the specified input stream to the specified output stream.
*
* @param in the input stream to read
* @param out the output stream to write
* @return the total number of bytes copied
* @throws IOException if an I/O error occurs
*/
private long copyStream(InputStream in, OutputStream out) throws IOException
{
byte[] buffer = new byte[5120];
long bytesCopied = 0;
int bytesInBuffer;
while ((bytesInBuffer = in.read(buffer)) != -1)
{
out.write(buffer, 0, bytesInBuffer);
bytesCopied += bytesInBuffer;
}
return bytesCopied;
}
/* (non-Javadoc)
* @see com.izforge.izpack.compiler.IPackager#addConfigurationInformation(net.n3.nanoxml.XMLElement)
*/
public void addConfigurationInformation(XMLElement data)
{
this.configdata = data;
}
/* (non-Javadoc)
* @see com.izforge.izpack.compiler.PackagerBase#writePacks()
*/
protected void writePacks() throws Exception
{
// TODO Auto-generated method stub
}
}
