/** Overridden from Zip class to deal with manifests and index lists. */
protected void zipFile(
InputStream is,
ZipArchiveOutputStream zOut,
String vPath,
long lastModified,
File fromArchive,
int mode,
String symlinkDestination)
throws IOException, ArchiverException {
if (MANIFEST_NAME.equalsIgnoreCase(vPath)) {
if (!doubleFilePass || skipWriting) {
filesetManifest(fromArchive, is);
}
} else if (INDEX_NAME.equalsIgnoreCase(vPath) && index) {
getLogger()
.warn(
"Warning: selected "
+ archiveType
+ " files include a META-INF/INDEX.LIST which will"
+ " be replaced by a newly generated one.");
} else {
if (index && (!vPath.contains("/"))) {
rootEntries.addElement(vPath);
}
super.zipFile(is, zOut, vPath, lastModified, fromArchive, mode, symlinkDestination);
}
}
private void writeManifest(ZipArchiveOutputStream zOut, Manifest manifest)
throws IOException, ArchiverException {
for (Enumeration e = manifest.getWarnings(); e.hasMoreElements(); ) {
getLogger().warn("Manifest warning: " + e.nextElement());
}
zipDir(null, zOut, "META-INF/", DEFAULT_DIR_MODE);
// time to write the manifest
ByteArrayOutputStream baos = new ByteArrayOutputStream();
manifest.write(baos);
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
super.zipFile(
bais, zOut, MANIFEST_NAME, System.currentTimeMillis(), null, DEFAULT_FILE_MODE, null);
super.initZipOutputStream(zOut);
}
/**
* Create the index list to speed up classloading. This is a JDK 1.3+ specific feature and is
* enabled by default. See <a
* href="http://java.sun.com/j2se/1.3/docs/guide/jar/jar.html#JAR%20Index">the JAR index
* specification</a> for more details.
*
* @param zOut the zip stream representing the jar being built.
* @throws IOException thrown if there is an error while creating the index and adding it to the
* zip stream.
* @throws org.codehaus.plexus.archiver.ArchiverException .
*/
private void createIndexList(ZipArchiveOutputStream zOut) throws IOException, ArchiverException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
// encoding must be UTF8 as specified in the specs.
PrintWriter writer = new PrintWriter(new OutputStreamWriter(baos, "UTF8"));
// version-info blankline
writer.println("JarIndex-Version: 1.0");
writer.println();
// header newline
writer.println(getDestFile().getName());
// filter out META-INF if it doesn't contain anything other than the index and manifest.
// this is what sun.misc.JarIndex does, guess we ought to be consistent.
Set<String> filteredDirs = new HashSet<String>(addedDirs.keySet());
// our added dirs always have a trailing slash
if (filteredDirs.contains(META_INF_NAME + '/')) {
boolean add = false;
for (String entry : entries.keySet()) {
if (entry.startsWith(META_INF_NAME + '/')
&& !entry.equals(INDEX_NAME)
&& !entry.equals(MANIFEST_NAME)) {
add = true;
break;
}
}
if (!add) {
filteredDirs.remove(META_INF_NAME + '/');
}
}
writeIndexLikeList(new ArrayList<String>(filteredDirs), rootEntries, writer);
writer.println();
if (indexJars != null) {
java.util.jar.Manifest mf = createManifest();
String classpath = mf.getMainAttributes().getValue(ManifestConstants.ATTRIBUTE_CLASSPATH);
String[] cpEntries = null;
if (classpath != null) {
StringTokenizer tok = new StringTokenizer(classpath, " ");
cpEntries = new String[tok.countTokens()];
int c = 0;
while (tok.hasMoreTokens()) {
cpEntries[c++] = tok.nextToken();
}
}
for (String indexJar : indexJars) {
String name = findJarName(indexJar, cpEntries);
if (name != null) {
ArrayList<String> dirs = new ArrayList<String>();
ArrayList<String> files = new ArrayList<String>();
grabFilesAndDirs(indexJar, dirs, files);
if (dirs.size() + files.size() > 0) {
writer.println(name);
writeIndexLikeList(dirs, files, writer);
writer.println();
}
}
}
}
writer.flush();
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
super.zipFile(
bais, zOut, INDEX_NAME, System.currentTimeMillis(), null, DEFAULT_FILE_MODE, null);
}