public void createInstaller() throws Exception {
// preliminary work
info.setInstallerBase(compilerData.getOutput().replaceAll(".jar", ""));
packJarsSeparate = (info.getWebDirURL() != null);
// primary (possibly only) jar. -1 indicates primary
sendStart();
writeInstaller();
// 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();
sendStop();
}
/** Write Packs to primary jar or each to a separate jar. */
protected void writePacks() throws Exception {
final int num = packsList.size();
sendMsg("Writing " + num + " Pack" + (num > 1 ? "s" : "") + " into installer");
// Map to remember pack number and bytes offsets of back references
Map<File, Object[]> storedFiles = new HashMap<File, Object[]>();
// Pack200 files map
Map<Integer, File> pack200Map = new HashMap<Integer, File>();
int pack200Counter = 0;
// Force UTF-8 encoding in order to have proper ZipEntry names.
primaryJarStream.setEncoding("utf-8");
// First write the serialized files and file metadata data for each pack
// while counting bytes.
int packNumber = 0;
IXMLElement root = new XMLElementImpl("packs");
for (PackInfo packInfo : packsList) {
Pack pack = packInfo.getPack();
pack.nbytes = 0;
if ((pack.id == null) || (pack.id.length() == 0)) {
pack.id = pack.name;
}
// create a pack specific jar if required
// REFACTOR : Repare web installer
// REFACTOR : Use a mergeManager for each packages that will be added to the main merger
// if (packJarsSeparate) {
// See installer.Unpacker#getPackAsStream for the counterpart
// String name = baseFile.getName() + ".pack-" + pack.id + ".jar";
// packStream = IoHelper.getJarOutputStream(name, baseFile.getParentFile());
// }
sendMsg("Writing Pack " + packNumber + ": " + pack.name, PackagerListener.MSG_VERBOSE);
// Retrieve the correct output stream
org.apache.tools.zip.ZipEntry entry =
new org.apache.tools.zip.ZipEntry(RESOURCES_PATH + "packs/pack-" + pack.id);
primaryJarStream.putNextEntry(entry);
primaryJarStream.flush(); // flush before we start counting
ByteCountingOutputStream dos = new ByteCountingOutputStream(outputStream);
ObjectOutputStream objOut = new ObjectOutputStream(dos);
// We write the actual pack files
objOut.writeInt(packInfo.getPackFiles().size());
for (PackFile packFile : packInfo.getPackFiles()) {
boolean addFile = !pack.loose;
boolean pack200 = false;
File file = packInfo.getFile(packFile);
if (file.getName().toLowerCase().endsWith(".jar")
&& info.isPack200Compression()
&& isNotSignedJar(file)) {
packFile.setPack200Jar(true);
pack200 = true;
}
// use a back reference if file was in previous pack, and in
// same jar
Object[] info = storedFiles.get(file);
if (info != null && !packJarsSeparate) {
packFile.setPreviousPackFileRef((String) info[0], (Long) info[1]);
addFile = false;
}
objOut.writeObject(packFile); // base info
if (addFile && !packFile.isDirectory()) {
long pos = dos.getByteCount(); // get the position
if (pack200) {
/*
* Warning!
*
* Pack200 archives must be stored in separated streams, as the Pack200 unpacker
* reads the entire stream...
*
* See http://java.sun.com/javase/6/docs/api/java/util/jar/Pack200.Unpacker.html
*/
pack200Map.put(pack200Counter, file);
objOut.writeInt(pack200Counter);
pack200Counter = pack200Counter + 1;
} else {
FileInputStream inStream = new FileInputStream(file);
long bytesWritten = IoHelper.copyStream(inStream, objOut);
inStream.close();
if (bytesWritten != packFile.length()) {
throw new IOException("File size mismatch when reading " + file);
}
}
storedFiles.put(file, new Object[] {pack.id, pos});
}
// even if not written, it counts towards pack size
pack.nbytes += packFile.size();
}
// Write out information about parsable files
objOut.writeInt(packInfo.getParsables().size());
for (ParsableFile parsableFile : packInfo.getParsables()) {
objOut.writeObject(parsableFile);
}
// Write out information about executable files
objOut.writeInt(packInfo.getExecutables().size());
for (ExecutableFile executableFile : packInfo.getExecutables()) {
objOut.writeObject(executableFile);
}
// Write out information about updatecheck files
objOut.writeInt(packInfo.getUpdateChecks().size());
for (UpdateCheck updateCheck : packInfo.getUpdateChecks()) {
objOut.writeObject(updateCheck);
}
// Cleanup
objOut.flush();
if (!compressor.useStandardCompression()) {
outputStream.close();
}
primaryJarStream.closeEntry();
// close pack specific jar if required
if (packJarsSeparate) {
primaryJarStream.closeAlways();
}
IXMLElement child = new XMLElementImpl("pack", root);
child.setAttribute("nbytes", Long.toString(pack.nbytes));
child.setAttribute("name", pack.name);
if (pack.id != null) {
child.setAttribute("id", pack.id);
}
root.addChild(child);
packNumber++;
}
// Now that we know sizes, write pack metadata to primary jar.
primaryJarStream.putNextEntry(new org.apache.tools.zip.ZipEntry(RESOURCES_PATH + "packs.info"));
ObjectOutputStream out = new ObjectOutputStream(primaryJarStream);
out.writeInt(packsList.size());
for (PackInfo packInfo : packsList) {
out.writeObject(packInfo.getPack());
}
out.flush();
primaryJarStream.closeEntry();
// Pack200 files
Pack200.Packer packer = createAgressivePack200Packer();
for (Integer key : pack200Map.keySet()) {
File file = pack200Map.get(key);
primaryJarStream.putNextEntry(
new org.apache.tools.zip.ZipEntry(RESOURCES_PATH + "packs/pack200-" + key));
JarFile jar = new JarFile(file);
packer.pack(jar, primaryJarStream);
jar.close();
primaryJarStream.closeEntry();
}
}