/** Extracts specified entries from JAR file. */
void extract(InputStream in, String files[]) throws IOException {
ZipInputStream zis = new ZipInputStream(in);
ZipEntry e;
// Set of all directory entries specified in archive. Disallows
// null entries. Disallows all entries if using pre-6.0 behavior.
Set<ZipEntry> dirs = newDirSet();
while ((e = zis.getNextEntry()) != null) {
if (files == null) {
dirs.add(extractFile(zis, e));
} else {
String name = e.getName();
for (String file : files) {
if (name.startsWith(file)) {
dirs.add(extractFile(zis, e));
break;
}
}
}
}
// Update timestamps of directories specified in archive with their
// timestamps as given in the archive. We do this after extraction,
// instead of during, because creating a file in a directory changes
// that directory's timestamp.
updateLastModifiedTime(dirs);
}
/**
* Parse a repository document.
*
* @param url
* @throws IOException
* @throws XmlPullParserException
* @throws Exception
*/
void parseDocument(URL url) throws IOException, XmlPullParserException, Exception {
if (!visited.contains(url)) {
visited.add(url);
try {
System.out.println("Visiting: " + url);
InputStream in = null;
if (url.getPath().endsWith(".zip")) {
ZipInputStream zin = new ZipInputStream(url.openStream());
ZipEntry entry = zin.getNextEntry();
while (entry != null) {
if (entry.getName().equals("repository.xml")) {
in = zin;
break;
}
entry = zin.getNextEntry();
}
} else {
in = url.openStream();
}
Reader reader = new InputStreamReader(in);
XmlPullParser parser = new KXmlParser();
parser.setInput(reader);
parseRepository(parser);
} catch (MalformedURLException e) {
System.out.println("Cannot create connection to url");
}
}
}
/**
* Expands list of files to process into full list of all files that can be found by recursively
* descending directories.
*/
void expand(File dir, String[] files, boolean isUpdate) {
if (files == null) {
return;
}
for (int i = 0; i < files.length; i++) {
File f;
if (dir == null) {
f = new File(files[i]);
} else {
f = new File(dir, files[i]);
}
if (f.isFile()) {
if (entries.add(f)) {
if (isUpdate) entryMap.put(entryName(f.getPath()), f);
}
} else if (f.isDirectory()) {
if (entries.add(f)) {
if (isUpdate) {
String dirPath = f.getPath();
dirPath = (dirPath.endsWith(File.separator)) ? dirPath : (dirPath + File.separator);
entryMap.put(entryName(dirPath), f);
}
expand(f, f.list(), isUpdate);
}
} else {
error(formatMsg("error.nosuch.fileordir", String.valueOf(f)));
ok = false;
}
}
}
/**
* Parse the repository.
*
* @param parser
* @throws Exception
*/
private void parseRepository(XmlPullParser parser) throws Exception {
try {
parser.require(XmlPullParser.START_DOCUMENT, null, null);
parser.nextTag();
if (parser.getName().equals("bundles")) parseOscar(parser);
else {
parser.require(XmlPullParser.START_TAG, null, "repository");
date = parser.getAttributeValue(null, "lastmodified");
name = parser.getAttributeValue(null, "name");
if (name == null) name = "Untitled";
while (parser.nextTag() == XmlPullParser.START_TAG) {
if (parser.getName().equals("resource")) {
ResourceImpl resource = new ResourceImpl(this, parser);
resources.add(resource);
} else if (parser.getName().equals("referral")) referral(parser);
else
throw new IllegalArgumentException(
"Invalid tag in repository: " + url + " " + parser.getName());
}
parser.require(XmlPullParser.END_TAG, null, "repository");
}
} catch (XmlPullParserException e) {
e.printStackTrace();
throw new IllegalArgumentException(
"XML unregognized around: " + e.getLineNumber() + " " + e.getMessage());
}
}
/**
* Refresh the repository from the URL.
*
* @throws Exception
*/
public boolean refresh() {
exception = null;
try {
resources.clear();
parseDocument(url);
visited = null;
return true;
} catch (Exception e) {
e.printStackTrace();
exception = e;
}
return false;
}
/** Extracts specified entries from JAR file, via ZipFile. */
void extract(String fname, String files[]) throws IOException {
ZipFile zf = new ZipFile(fname);
Set<ZipEntry> dirs = newDirSet();
Enumeration<? extends ZipEntry> zes = zf.entries();
while (zes.hasMoreElements()) {
ZipEntry e = zes.nextElement();
InputStream is;
if (files == null) {
dirs.add(extractFile(zf.getInputStream(e), e));
} else {
String name = e.getName();
for (String file : files) {
if (name.startsWith(file)) {
dirs.add(extractFile(zf.getInputStream(e), e));
break;
}
}
}
}
zf.close();
updateLastModifiedTime(dirs);
}
/** * Parse an old style OBR repository. * * <p><dtd-version>1.0</dtd-version> <repository> <name>Oscar Bundle Repository</name> * <url>http://oscar-osgi.sourceforge.net/</url> <date>Fri May 07 16:45:07 CEST 2004</date> * <extern-repositories> * <!-- * Stefano Lenzi ([email protected]) --> * <url>http://domoware.isti.cnr.it/osgi-obr/niche-osgi-obr.xml</url> * <!--Manuel Palencia ([email protected]) --> * <!-- * <url>http://jmood.forge.os4os.org/repository.xml</url> --> * <!-- Enrique * Rodriguez ([email protected]) --> * <url>http://update.cainenable.org/repository.xml</url> </extern-repositories> </repository> * <bundle> <bundle-name>Bundle Repository</bundle-name> <bundle-description> A bundle repository * service for Oscar. </bundle-description> <bundle-updatelocation> * http://oscar-osgi.sf.net/repo/bundlerepository/bundlerepository.jar </bundle-updatelocation> * <bundle-sourceurl> http://oscar-osgi.sf.net/repo/bundlerepository/bundlerepository-src.jar * </bundle-sourceurl> <bundle-version>1.1.3</bundle-version> <bundle-docurl> * http://oscar-osgi.sf.net/repo/bundlerepository/ </bundle-docurl> * <bundle-category>General</bundle-category> <import-package package="org.osgi.framework"/> * <export-package package="org.ungoverned.osgi.service.bundlerepository" * specification-version="1.1.0"/> </bundle> * */ private void parseOscar(XmlPullParser parser) throws Exception { parser.require(XmlPullParser.START_TAG, null, "bundles"); while (true) { int event = parser.next(); // Error .. if (event == XmlPullParser.TEXT) event = parser.next(); if (event != XmlPullParser.START_TAG) break; ResourceImpl resource = new ResourceImpl(this); if (parser.getName().equals("bundle")) { while (parser.nextTag() == XmlPullParser.START_TAG) { String key = parser.getName(); if (key.equals("import-package")) { RequirementImpl requirement = new RequirementImpl("package"); requirement.setOptional(false); requirement.setMultiple(false); String p = parser.getAttributeValue(null, "package"); StringBuffer sb = new StringBuffer(); sb.append("(&(package="); sb.append(p); sb.append(")"); String version = parser.getAttributeValue(null, "specification-version"); VersionRange v = new VersionRange("0"); if (version != null) { sb.append("(version="); sb.append(v = new VersionRange(version)); sb.append(")"); } sb.append(")"); requirement.setFilter(sb.toString()); requirement.setComment("Import-Package: " + p + ";" + v); resource.addRequirement(requirement); parser.nextTag(); } else if (key.equals("export-package")) { CapabilityImpl capability = new CapabilityImpl("package"); capability.addProperty("package", parser.getAttributeValue(null, "package")); String version = parser.getAttributeValue(null, "specification-version"); if (version != null) { capability.addProperty("version", new VersionRange(version)); } resource.addCapability(capability); parser.nextTag(); } else { String value = parser.nextText().trim(); if (key.equals("bundle-sourceurl")) resource.setSource(new URL(value)); else if (key.equals("bundle-docurl")) resource.setDocumentation(new URL(value)); else if (key.equals("bundle-updatelocation")) resource.setURL(new URL(value)); else if (key.equals("bundle-description")) resource.setDescription(value); else if (key.equals("bundle-category")) resource.addCategory(value); else if (key.equals("bundle-name")) { resource.setName(value); resource.setPresentationName(value); } else if (key.equals("bundle-version")) resource.setVersion(new VersionRange(value)); else { resource.put(key, value); } } } resources.add(resource); parser.require(XmlPullParser.END_TAG, null, "bundle"); } else if (parser.getName().equals("repository")) { parser.require(XmlPullParser.START_TAG, null, "repository"); while (parser.nextTag() == XmlPullParser.START_TAG) { String tag = parser.getName(); if (tag.equals("name")) { String name = parser.nextText(); if (this.name == null) this.name = name.trim(); } else if (tag.equals("url")) parser.nextText().trim(); else if (tag.equals("date")) parser.nextText().trim(); else if (tag.equals("extern-repositories")) { parser.require(XmlPullParser.START_TAG, null, "extern-repositories"); while (parser.nextTag() == XmlPullParser.START_TAG) { if (parser.getName().equals("url")) parseDocument(new URL(parser.nextText().trim())); else throw new IllegalArgumentException( "Invalid tag in repository while parsing extern repositories: " + url + " " + parser.getName()); } parser.require(XmlPullParser.END_TAG, null, "extern-repositories"); } else throw new IllegalArgumentException( "Invalid tag in repository: " + url + " " + parser.getName()); } parser.require(XmlPullParser.END_TAG, null, "repository"); } else if (parser.getName().equals("dtd-version")) { parser.nextText(); } else throw new IllegalArgumentException( "Invalid tag in repository: " + url + " " + parser.getName()); } parser.require(XmlPullParser.END_TAG, null, "bundles"); }
/** Updates an existing jar file. */
boolean update(InputStream in, OutputStream out, InputStream newManifest, JarIndex jarIndex)
throws IOException {
ZipInputStream zis = new ZipInputStream(in);
ZipOutputStream zos = new JarOutputStream(out);
ZipEntry e = null;
boolean foundManifest = false;
boolean updateOk = true;
if (jarIndex != null) {
addIndex(jarIndex, zos);
}
// put the old entries first, replace if necessary
while ((e = zis.getNextEntry()) != null) {
String name = e.getName();
boolean isManifestEntry = equalsIgnoreCase(name, MANIFEST_NAME);
if ((jarIndex != null && equalsIgnoreCase(name, INDEX_NAME)) || (Mflag && isManifestEntry)) {
continue;
} else if (isManifestEntry && ((newManifest != null) || (ename != null) || (pname != null))) {
foundManifest = true;
if (newManifest != null) {
// Don't read from the newManifest InputStream, as we
// might need it below, and we can't re-read the same data
// twice.
FileInputStream fis = new FileInputStream(mname);
boolean ambiguous = isAmbiguousMainClass(new Manifest(fis));
fis.close();
if (ambiguous) {
return false;
}
}
// Update the manifest.
Manifest old = new Manifest(zis);
if (newManifest != null) {
old.read(newManifest);
}
if (!updateManifest(old, zos)) {
return false;
}
} else {
if (!entryMap.containsKey(name)) { // copy the old stuff
// do our own compression
ZipEntry e2 = new ZipEntry(name);
e2.setMethod(e.getMethod());
e2.setTime(e.getTime());
e2.setComment(e.getComment());
e2.setExtra(e.getExtra());
if (e.getMethod() == ZipEntry.STORED) {
e2.setSize(e.getSize());
e2.setCrc(e.getCrc());
}
zos.putNextEntry(e2);
copy(zis, zos);
} else { // replace with the new files
File f = entryMap.get(name);
addFile(zos, f);
entryMap.remove(name);
entries.remove(f);
}
}
}
// add the remaining new files
for (File f : entries) {
addFile(zos, f);
}
if (!foundManifest) {
if (newManifest != null) {
Manifest m = new Manifest(newManifest);
updateOk = !isAmbiguousMainClass(m);
if (updateOk) {
if (!updateManifest(m, zos)) {
updateOk = false;
}
}
} else if (ename != null || pname != null) {
if (!updateManifest(new Manifest(), zos)) {
updateOk = false;
}
}
}
zis.close();
zos.close();
return updateOk;
}
/** Parses command line arguments. */
boolean parseArgs(String args[]) {
/* Preprocess and expand @file arguments */
try {
args = CommandLine.parse(args);
} catch (FileNotFoundException e) {
fatalError(formatMsg("error.cant.open", e.getMessage()));
return false;
} catch (IOException e) {
fatalError(e);
return false;
}
/* parse flags */
int count = 1;
try {
String flags = args[0];
if (flags.startsWith("-")) {
flags = flags.substring(1);
}
for (int i = 0; i < flags.length(); i++) {
switch (flags.charAt(i)) {
case 'c':
if (xflag || tflag || uflag || iflag) {
usageError();
return false;
}
cflag = true;
break;
case 'u':
if (cflag || xflag || tflag || iflag) {
usageError();
return false;
}
uflag = true;
break;
case 'x':
if (cflag || uflag || tflag || iflag) {
usageError();
return false;
}
xflag = true;
break;
case 't':
if (cflag || uflag || xflag || iflag) {
usageError();
return false;
}
tflag = true;
break;
case 'M':
Mflag = true;
break;
case 'v':
vflag = true;
break;
case 'f':
fname = args[count++];
break;
case 'm':
mname = args[count++];
break;
case '0':
flag0 = true;
break;
case 'i':
if (cflag || uflag || xflag || tflag) {
usageError();
return false;
}
// do not increase the counter, files will contain rootjar
rootjar = args[count++];
iflag = true;
break;
case 'e':
ename = args[count++];
break;
case 'p':
pname = args[count++];
break;
default:
error(formatMsg("error.illegal.option", String.valueOf(flags.charAt(i))));
usageError();
return false;
}
}
} catch (ArrayIndexOutOfBoundsException e) {
usageError();
return false;
}
if (!cflag && !tflag && !xflag && !uflag && !iflag) {
error(getMsg("error.bad.option"));
usageError();
return false;
}
/* parse file arguments */
int n = args.length - count;
if (n > 0) {
int k = 0;
String[] nameBuf = new String[n];
try {
for (int i = count; i < args.length; i++) {
if (args[i].equals("-C")) {
/* change the directory */
String dir = args[++i];
dir = (dir.endsWith(File.separator) ? dir : (dir + File.separator));
dir = dir.replace(File.separatorChar, '/');
while (dir.indexOf("//") > -1) {
dir = dir.replace("//", "/");
}
paths.add(dir.replace(File.separatorChar, '/'));
nameBuf[k++] = dir + args[++i];
} else {
nameBuf[k++] = args[i];
}
}
} catch (ArrayIndexOutOfBoundsException e) {
usageError();
return false;
}
files = new String[k];
System.arraycopy(nameBuf, 0, files, 0, k);
} else if (cflag && (mname == null)) {
error(getMsg("error.bad.cflag"));
usageError();
return false;
} else if (uflag) {
if ((mname != null) || (ename != null) || (pname != null)) {
/* just want to update the manifest */
return true;
} else {
error(getMsg("error.bad.uflag"));
usageError();
return false;
}
}
return true;
}
