/**
* Copies all bytes from the input stream to the output file. Does not close the input stream.
*
* @param from the input stream to read from
* @param to the output file to write to
* @throws IOException if an I/O error occurs
*/
private void copy(InputStream from, File to) throws IOException {
OutputStream out = new FileOutputStream(to);
try {
copy(from, out);
} finally {
out.close();
}
}
// -creatediff -applydiff -debug -output file
public static void main(String[] args) throws IOException {
boolean diff = true;
boolean minimal = true;
String outputFile = "out.jardiff";
for (int counter = 0; counter < args.length; counter++) {
// for backward compatibilty with 1.0.1/1.0
if (args[counter].equals("-nonminimal") || args[counter].equals("-n")) {
minimal = false;
} else if (args[counter].equals("-creatediff") || args[counter].equals("-c")) {
diff = true;
} else if (args[counter].equals("-applydiff") || args[counter].equals("-a")) {
diff = false;
} else if (args[counter].equals("-debug") || args[counter].equals("-d")) {
_debug = true;
} else if (args[counter].equals("-output") || args[counter].equals("-o")) {
if (++counter < args.length) {
outputFile = args[counter];
}
} else if (args[counter].equals("-applydiff") || args[counter].equals("-a")) {
diff = false;
} else {
if ((counter + 2) != args.length) {
showHelp();
System.exit(0);
}
if (diff) {
try {
OutputStream os = new FileOutputStream(outputFile);
JarDiff.createPatch(args[counter], args[counter + 1], os, minimal);
os.close();
} catch (IOException ioe) {
try {
System.out.println(getResources().getString("jardiff.error.create") + " " + ioe);
} catch (MissingResourceException mre) {
}
}
} else {
try {
OutputStream os = new FileOutputStream(outputFile);
new JarDiffPatcher().applyPatch(null, args[counter], args[counter + 1], os);
os.close();
} catch (IOException ioe) {
try {
System.out.println(getResources().getString("jardiff.error.apply") + " " + ioe);
} catch (MissingResourceException mre) {
}
}
}
System.exit(0);
}
}
showHelp();
}
void copy(InputStream in, File dest) throws IOException {
dest.getParentFile().mkdirs();
OutputStream out = new BufferedOutputStream(new FileOutputStream(dest));
try {
byte[] data = new byte[8192];
int n;
while ((n = in.read(data, 0, data.length)) > 0) out.write(data, 0, n);
} finally {
out.close();
in.close();
}
}
/** Create a jar file containing one or more entries. */
File createJar(File jar, String... entries) throws IOException {
OutputStream out = new FileOutputStream(jar);
try {
JarOutputStream jos = new JarOutputStream(out);
for (String e : entries) {
jos.putNextEntry(new JarEntry(getPathForZipEntry(e)));
jos.write(getBodyForEntry(e).getBytes());
}
jos.close();
} finally {
out.close();
}
return jar;
}
public static int writeStreamTo(
final InputStream input, final OutputStream output, int bufferSize) throws IOException {
int available = Math.min(input.available(), 256 * KB);
byte[] buffer = new byte[Math.max(bufferSize, available)];
int answer = 0;
int count = input.read(buffer);
while (count >= 0) {
output.write(buffer, 0, count);
answer += count;
count = input.read(buffer);
}
return answer;
}
private void doManifest(
Jar jar, String[] digestNames, MessageDigest[] algorithms, OutputStream out)
throws Exception {
for (Map.Entry<String, Resource> entry : jar.getResources().entrySet()) {
String name = entry.getKey();
if (!METAINFDIR.matcher(name).matches()) {
out.write("\r\n".getBytes("UTF-8"));
out.write("Name: ".getBytes("UTF-8"));
out.write(name.getBytes("UTF-8"));
out.write("\r\n".getBytes("UTF-8"));
digest(algorithms, entry.getValue());
for (int a = 0; a < algorithms.length; a++) {
if (algorithms[a] != null) {
byte[] digest = algorithms[a].digest();
String header = digestNames[a] + "-Digest: " + new Base64(digest) + "\r\n";
out.write(header.getBytes("UTF-8"));
}
}
}
}
}
/**
* Copies all bytes from the input stream to the output stream. Does not close or flush either
* stream.
*
* @param from the input stream to read from
* @param to the output stream to write to
* @throws IOException if an I/O error occurs
*/
private void copy(InputStream from, OutputStream to) throws IOException {
int n;
while ((n = from.read(copyBuf)) != -1) to.write(copyBuf, 0, n);
}
/** Starts main program with the specified arguments. */
public synchronized boolean run(String args[]) {
ok = true;
if (!parseArgs(args)) {
return false;
}
try {
if (cflag || uflag) {
if (fname != null) {
// The name of the zip file as it would appear as its own
// zip file entry. We use this to make sure that we don't
// add the zip file to itself.
zname = fname.replace(File.separatorChar, '/');
if (zname.startsWith("./")) {
zname = zname.substring(2);
}
}
}
if (cflag) {
Manifest manifest = null;
InputStream in = null;
if (!Mflag) {
if (mname != null) {
in = new FileInputStream(mname);
manifest = new Manifest(new BufferedInputStream(in));
} else {
manifest = new Manifest();
}
addVersion(manifest);
addCreatedBy(manifest);
if (isAmbiguousMainClass(manifest)) {
if (in != null) {
in.close();
}
return false;
}
if (ename != null) {
addMainClass(manifest, ename);
}
if (pname != null) {
if (!addProfileName(manifest, pname)) {
if (in != null) {
in.close();
}
return false;
}
}
}
OutputStream out;
if (fname != null) {
out = new FileOutputStream(fname);
} else {
out = new FileOutputStream(FileDescriptor.out);
if (vflag) {
// Disable verbose output so that it does not appear
// on stdout along with file data
// error("Warning: -v option ignored");
vflag = false;
}
}
expand(null, files, false);
create(new BufferedOutputStream(out, 4096), manifest);
if (in != null) {
in.close();
}
out.close();
} else if (uflag) {
File inputFile = null, tmpFile = null;
FileInputStream in;
FileOutputStream out;
if (fname != null) {
inputFile = new File(fname);
tmpFile = createTempFileInSameDirectoryAs(inputFile);
in = new FileInputStream(inputFile);
out = new FileOutputStream(tmpFile);
} else {
in = new FileInputStream(FileDescriptor.in);
out = new FileOutputStream(FileDescriptor.out);
vflag = false;
}
InputStream manifest = (!Mflag && (mname != null)) ? (new FileInputStream(mname)) : null;
expand(null, files, true);
boolean updateOk = update(in, new BufferedOutputStream(out), manifest, null);
if (ok) {
ok = updateOk;
}
in.close();
out.close();
if (manifest != null) {
manifest.close();
}
if (ok && fname != null) {
// on Win32, we need this delete
inputFile.delete();
if (!tmpFile.renameTo(inputFile)) {
tmpFile.delete();
throw new IOException(getMsg("error.write.file"));
}
tmpFile.delete();
}
} else if (tflag) {
replaceFSC(files);
if (fname != null) {
list(fname, files);
} else {
InputStream in = new FileInputStream(FileDescriptor.in);
try {
list(new BufferedInputStream(in), files);
} finally {
in.close();
}
}
} else if (xflag) {
replaceFSC(files);
if (fname != null && files != null) {
extract(fname, files);
} else {
InputStream in =
(fname == null) ? new FileInputStream(FileDescriptor.in) : new FileInputStream(fname);
try {
extract(new BufferedInputStream(in), files);
} finally {
in.close();
}
}
} else if (iflag) {
genIndex(rootjar, files);
}
} catch (IOException e) {
fatalError(e);
ok = false;
} catch (Error ee) {
ee.printStackTrace();
ok = false;
} catch (Throwable t) {
t.printStackTrace();
ok = false;
}
out.flush();
err.flush();
return ok;
}