/**
* Load the policies from the specified file. Also checks that the policies are correctly signed.
*/
private static void loadPolicies(
File jarPathName, CryptoPermissions defaultPolicy, CryptoPermissions exemptPolicy)
throws Exception {
JarFile jf = new JarFile(jarPathName);
Enumeration<JarEntry> entries = jf.entries();
while (entries.hasMoreElements()) {
JarEntry je = entries.nextElement();
InputStream is = null;
try {
if (je.getName().startsWith("default_")) {
is = jf.getInputStream(je);
defaultPolicy.load(is);
} else if (je.getName().startsWith("exempt_")) {
is = jf.getInputStream(je);
exemptPolicy.load(is);
} else {
continue;
}
} finally {
if (is != null) {
is.close();
}
}
// Enforce the signer restraint, i.e. signer of JCE framework
// jar should also be the signer of the two jurisdiction policy
// jar files.
JarVerifier.verifyPolicySigned(je.getCertificates());
}
// Close and nullify the JarFile reference to help GC.
jf.close();
jf = null;
}
@Test
public void verifySignedJar() throws Exception {
String classpath = System.getProperty("java.class.path");
String[] entries = classpath.split(System.getProperty("path.separator"));
String signedJarFile = null;
for (String entry : entries) {
if (entry.contains("bcprov")) {
signedJarFile = entry;
}
}
assertThat(signedJarFile).isNotNull();
java.util.jar.JarFile jarFile = new JarFile(new File(signedJarFile));
jarFile.getManifest();
Enumeration<JarEntry> jarEntries = jarFile.entries();
while (jarEntries.hasMoreElements()) {
JarEntry jarEntry = jarEntries.nextElement();
InputStream inputStream = jarFile.getInputStream(jarEntry);
inputStream.skip(Long.MAX_VALUE);
inputStream.close();
if (!jarEntry.getName().startsWith("META-INF")
&& !jarEntry.isDirectory()
&& !jarEntry.getName().endsWith("TigerDigest.class")) {
assertThat(jarEntry.getCertificates()).isNotNull();
}
}
jarFile.close();
}
public void loadOldStylePluginFrom(File pluginFile) throws IOException {
JarFile jarFile = new JarFile(pluginFile);
// add jar to our extension classLoader
SoapUIExtensionClassLoader extensionClassLoader = getExtensionClassLoader();
extensionClassLoader.addFile(pluginFile);
// look for factories
JarEntry entry = jarFile.getJarEntry("META-INF/factories.xml");
if (entry != null) {
getFactoryRegistry().addConfig(jarFile.getInputStream(entry), extensionClassLoader);
}
// look for listeners
entry = jarFile.getJarEntry("META-INF/listeners.xml");
if (entry != null) {
getListenerRegistry().addConfig(jarFile.getInputStream(entry), extensionClassLoader);
}
// look for actions
entry = jarFile.getJarEntry("META-INF/actions.xml");
if (entry != null) {
getActionRegistry().addConfig(jarFile.getInputStream(entry), extensionClassLoader);
}
// add jar to resource classloader so embedded images can be found with
// UISupport.loadImageIcon(..)
UISupport.addResourceClassLoader(new URLClassLoader(new URL[] {pluginFile.toURI().toURL()}));
}
@SuppressWarnings("resource")
public InputStream getInputStream() throws IOException {
// 注：JarFile与File的设计是不一样的，File相当于C#的FileInfo，只持有信息，
// 而JarFile构造时即打开流，所以每次读取数据时，重新new新的实例，而不作为属性字段持有。
JarFile jarFile = new JarFile(file);
return jarFile.getInputStream(jarFile.getEntry(getName()));
}
public static void copyJarResourcesRecursively(File destination, JarURLConnection jarConnection) {
JarFile jarFile;
try {
jarFile = jarConnection.getJarFile();
} catch (Exception e) {
_.die("Failed to get jar file)");
return;
}
Enumeration<JarEntry> em = jarFile.entries();
while (em.hasMoreElements()) {
JarEntry entry = em.nextElement();
if (entry.getName().startsWith(jarConnection.getEntryName())) {
String fileName = StringUtils.removeStart(entry.getName(), jarConnection.getEntryName());
if (!fileName.equals("/")) { // exclude the directory
InputStream entryInputStream = null;
try {
entryInputStream = jarFile.getInputStream(entry);
FileUtils.copyInputStreamToFile(entryInputStream, new File(destination, fileName));
} catch (Exception e) {
die("Failed to copy resource: " + fileName);
} finally {
if (entryInputStream != null) {
try {
entryInputStream.close();
} catch (Exception e) {
}
}
}
}
}
}
}
public static boolean extractFromJar(final String fileName, final String dest)
throws IOException {
if (getRunningJar() == null) {
return false;
}
final File file = new File(dest);
if (file.isDirectory()) {
file.mkdir();
return false;
}
if (!file.exists()) {
file.getParentFile().mkdirs();
}
final JarFile jar = getRunningJar();
final Enumeration<JarEntry> e = jar.entries();
while (e.hasMoreElements()) {
final JarEntry je = e.nextElement();
if (!je.getName().contains(fileName)) {
continue;
}
final InputStream in = new BufferedInputStream(jar.getInputStream(je));
final OutputStream out = new BufferedOutputStream(new FileOutputStream(file));
copyInputStream(in, out);
jar.close();
return true;
}
jar.close();
return false;
}
/*
* (non-Javadoc)
*
* @see
* net.xeoh.plugins.base.impl.classpath.locator.AbstractClassPathLocation
* #getInputStream(java.lang.String)
*/
@Override
public InputStream getInputStream(String file) {
try {
final JarURLConnection connection =
(JarURLConnection) new URI("jar:" + this.location + "!/").toURL().openConnection();
final JarFile jarFile = connection.getJarFile();
final Enumeration<JarEntry> entries = jarFile.entries();
while (entries.hasMoreElements()) {
final JarEntry entry = entries.nextElement();
// We only search for class file entries
if (entry.isDirectory()) continue;
String name = entry.getName();
if (name.equals(file)) return jarFile.getInputStream(entry);
}
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (URISyntaxException e) {
e.printStackTrace();
}
return null;
}
public static LinkedHashMap readJarFileEntries(File jarFile) throws Exception {
LinkedHashMap entries = new LinkedHashMap();
JarFile jarFileWrapper = null;
if (jarFile != null) {
logger.debug("Reading jar entries from " + jarFile.getAbsolutePath());
try {
jarFileWrapper = new JarFile(jarFile);
Enumeration iter = jarFileWrapper.entries();
while (iter.hasMoreElements()) {
ZipEntry zipEntry = (ZipEntry) iter.nextElement();
InputStream entryStream = jarFileWrapper.getInputStream(zipEntry);
ByteArrayOutputStream byteArrayStream = new ByteArrayOutputStream();
try {
IOUtils.copy(entryStream, byteArrayStream);
entries.put(zipEntry.getName(), byteArrayStream.toByteArray());
logger.debug(
"Read jar entry " + zipEntry.getName() + " from " + jarFile.getAbsolutePath());
} finally {
byteArrayStream.close();
}
}
} finally {
if (jarFileWrapper != null) {
try {
jarFileWrapper.close();
} catch (Exception ignore) {
logger.debug(ignore);
}
}
}
}
return entries;
}
private void determineNameMapping(JarFile paramJarFile, Set paramSet, Map paramMap)
throws IOException {
InputStream localInputStream =
paramJarFile.getInputStream(paramJarFile.getEntry("META-INF/INDEX.JD"));
if (localInputStream == null) handleException("jardiff.error.noindex", null);
LineNumberReader localLineNumberReader =
new LineNumberReader(new InputStreamReader(localInputStream, "UTF-8"));
String str = localLineNumberReader.readLine();
if ((str == null) || (!str.equals("version 1.0")))
handleException("jardiff.error.badheader", str);
while ((str = localLineNumberReader.readLine()) != null) {
List localList;
if (str.startsWith("remove")) {
localList = getSubpaths(str.substring("remove".length()));
if (localList.size() != 1) handleException("jardiff.error.badremove", str);
paramSet.add(localList.get(0));
continue;
}
if (str.startsWith("move")) {
localList = getSubpaths(str.substring("move".length()));
if (localList.size() != 2) handleException("jardiff.error.badmove", str);
if (paramMap.put(localList.get(1), localList.get(0)) != null)
handleException("jardiff.error.badmove", str);
continue;
}
if (str.length() <= 0) continue;
handleException("jardiff.error.badcommand", str);
}
localLineNumberReader.close();
localInputStream.close();
}
private static String getVersionFromPomProperties(File artifact) throws IOException {
List<JarEntry> pomPropertiesFiles = new ArrayList<>();
String versionNumber = null;
try (JarFile jar = new JarFile(artifact)) {
JarEntry entry;
Enumeration<JarEntry> entries = jar.entries();
while (entries.hasMoreElements()) {
entry = entries.nextElement();
if (!entry.isDirectory() && entry.getName().endsWith("pom.properties")) {
pomPropertiesFiles.add(entry);
}
}
if (pomPropertiesFiles.size() == 1) {
Properties pomProperties = new Properties();
pomProperties.load(jar.getInputStream(pomPropertiesFiles.get(0)));
versionNumber = pomProperties.getProperty("version", null);
} else {
logger.debug(
"Found {} pom.properties files. Cannot use that for version",
pomPropertiesFiles.size());
}
}
return versionNumber;
}
public byte[] read(String path) throws IOException {
ZipEntry entry = m_source.getEntry(getInternalPath(path));
if (entry == null) {
throw new IOException("Jar Entry is not found for class " + path + ".");
}
return Streams.readBytes(m_source.getInputStream(entry));
}
@SuppressWarnings("unchecked")
private static void startPlugins() {
logger.info("Loading available plugins");
final Collection<File> botJars =
FileUtils.listFiles(pluginsDirecotry, new String[] {"jar"}, false);
for (File botJar : botJars) {
try {
JarFile jar = new JarFile(botJar);
ZipEntry ze = jar.getEntry("plugin.yml");
if (ze == null) throw new RuntimeException("Plugin has no plugin.yml file!");
InputStream is = jar.getInputStream(ze);
YAMLNode n = new YAMLNode(new Yaml().loadAs(is, Map.class), true);
String mainClass = n.getString("mainClass");
String name = n.getString("name");
URLClassLoader loader =
new URLClassLoader(new URL[] {botJar.toURI().toURL()}, Chatty.class.getClassLoader());
Plugin plugin = loader.loadClass(mainClass).asSubclass(Plugin.class).newInstance();
plugin.start();
PLUGIN_INFO.put(name, new PluginInfo(name, plugin, n));
logger.info("Loaded plugin '{}'", name);
} catch (Exception e) {
logger.error("Failed to load plugin from {}", botJar.getName());
e.printStackTrace();
}
}
logger.info("Loaded {} plugin(s)", PLUGIN_INFO.size());
}
public static void extractFileFromJar(String archive, List<String> filenames, String destination)
throws IOException {
// open the jar (zip) file
JarFile jar = new JarFile(archive);
// parse the entries
Enumeration<JarEntry> entryEnum = jar.entries();
while (entryEnum.hasMoreElements()) {
JarEntry file = entryEnum.nextElement();
if (filenames.contains(file.getName())) {
// match found
File f = new File(destination + File.separator + file.getName());
InputStream in = jar.getInputStream(file);
BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(f));
byte[] byteBuffer = new byte[1024];
int numRead;
while ((numRead = in.read(byteBuffer)) != -1) {
out.write(byteBuffer, 0, numRead);
}
in.close();
out.close();
}
}
jar.close();
}
@SuppressWarnings("unchecked")
private static void loadBots() {
logger.info("Loading available bots");
final Collection<File> botJars =
FileUtils.listFiles(botsDirecotry, new String[] {"jar"}, false);
for (File botJar : botJars) {
try {
JarFile jar = new JarFile(botJar);
ZipEntry entry = jar.getEntry("bot.yml");
if (entry == null) throw new RuntimeException("Bot has no bot.yml file!");
InputStream is = jar.getInputStream(entry);
YAMLNode n = new YAMLNode(new Yaml().loadAs(is, Map.class), true);
String mainClass = n.getString("mainClass");
String type = n.getString("type");
URLClassLoader loader =
new URLClassLoader(new URL[] {botJar.toURI().toURL()}, Chatty.class.getClassLoader());
BOT_INFO.put(type, new BotClassInfo(loader.loadClass(mainClass).asSubclass(Bot.class), n));
logger.info("Loaded bot '{}'", type);
} catch (Exception e) {
logger.error("Failed to load bot from {}", botJar.getName());
e.printStackTrace();
}
}
logger.info("Loaded {} bot(s)", BOT_INFO.size());
}
public static boolean copyJarResourcesRecursively(
final File destDir, final JarURLConnection jarConnection) throws IOException {
final JarFile jarFile = jarConnection.getJarFile();
for (final Enumeration<JarEntry> e = jarFile.entries(); e.hasMoreElements(); ) {
final JarEntry entry = e.nextElement();
if (entry.getName().startsWith(jarConnection.getEntryName())) {
final String filename = entry.getName();
final File f = new File(destDir, filename);
if (!entry.isDirectory()) {
final InputStream entryInputStream = jarFile.getInputStream(entry);
if (!FileUtils.copyStream(entryInputStream, f)) {
return false;
}
entryInputStream.close();
} else {
if (!FileUtils.ensureDirectoryExists(f)) {
throw new IOException("Could not create directory: " + f.getAbsolutePath());
}
}
}
}
return true;
}
/** Check the certificates with the ones in the jar file (all must match). */
private static final void validateCertificate(
final Certificate[] rootCerts, final JarFile jar, final JarEntry entry, final byte[] buf)
throws IOException, SecurityException {
if (DEBUG) {
System.err.println("JarUtil: validate JarEntry : " + entry.getName());
}
// API states that we must read all of the data from the entry's
// InputStream in order to be able to get its certificates
final InputStream is = jar.getInputStream(entry);
try {
while (is.read(buf) > 0) {}
} finally {
is.close();
}
// Get the certificates for the JAR entry
final Certificate[] nativeCerts = entry.getCertificates();
if (nativeCerts == null || nativeCerts.length == 0) {
throw new SecurityException("no certificate for " + entry.getName() + " in " + jar.getName());
}
if (!SecurityUtil.equals(rootCerts, nativeCerts)) {
throw new SecurityException(
"certificates not equal for " + entry.getName() + " in " + jar.getName());
}
}
public static void unjar(File dest, String jar) throws IOException {
dest.mkdirs();
JarFile jf = new JarFile(jar);
try {
Enumeration es = jf.entries();
while (es.hasMoreElements()) {
JarEntry je = (JarEntry) es.nextElement();
String n = je.getName();
File f = new File(dest, n);
if (je.isDirectory()) {
f.mkdirs();
} else {
if (f.exists()) {
f.delete();
} else {
f.getParentFile().mkdirs();
}
InputStream is = jf.getInputStream(je);
FileOutputStream os = new FileOutputStream(f);
try {
copyStream(is, os);
} finally {
os.close();
}
}
long time = je.getTime();
if (time != -1) f.setLastModified(time);
}
} finally {
jf.close();
}
}
public static DeviceEntry getDevice(String device) {
try {
if (props.containsKey(device)) return (DeviceEntry) props.get(device);
else {
File f =
new File(
OS.getWorkDir() + File.separator + "devices" + File.separator + device + ".ftd");
if (f.exists()) {
DeviceEntry ent = null;
JarFile jar = new JarFile(f);
Enumeration e = jar.entries();
while (e.hasMoreElements()) {
JarEntry file = (JarEntry) e.nextElement();
if (file.getName().endsWith(device + ".properties")) {
InputStream is = jar.getInputStream(file); // get the input stream
PropertiesFile p = new PropertiesFile();
p.load(is);
ent = new DeviceEntry(p);
}
}
return ent;
} else return null;
}
} catch (Exception ex) {
ex.printStackTrace();
return null;
}
}
private LameResult index(JarFile jar, JarEntry jarEntry)
throws IOException, MojoExecutionException {
// lib/spring.jar
// suffix -> ".jar
// prefix -> "spring"
String name = jarEntry.getName();
int dotIndex = name.lastIndexOf('.');
String suffix = name.substring(dotIndex);
int slashIndex = name.lastIndexOf('/');
String prefix;
if (slashIndex == -1) {
prefix = name.substring(0, dotIndex);
} else {
prefix = name.substring(slashIndex + 1, dotIndex);
}
Path tempPath = Files.createTempFile(prefix, suffix);
File tempFile = tempPath.toFile();
try (InputStream input = jar.getInputStream(jarEntry)) {
// Files.copy will do the buffering
Files.copy(input, tempPath, REPLACE_EXISTING);
}
LameIndex lameIndex;
try (JarFile tempJar = new JarFile(tempFile)) {
lameIndex = index(tempJar);
}
boolean changed = lameIndex.changed;
if (changed) {
tempFile = writeIndexes(tempFile, name, lameIndex.subDeploymentIndices);
return new LameResult(tempFile, true, lameIndex.index);
} else {
return new LameResult(null, false, null);
}
}
public static void copyJarContents(String prefix, String pathToJar) throws IOException {
LOG.info("Copying jar (location: " + pathToJar + ") to prefix " + prefix);
JarFile jar = null;
jar = new JarFile(pathToJar);
Enumeration<JarEntry> enumr = jar.entries();
byte[] bytes = new byte[1024];
while (enumr.hasMoreElements()) {
JarEntry entry = enumr.nextElement();
if (entry.getName().startsWith(prefix)) {
if (entry.isDirectory()) {
File cr = new File(entry.getName());
cr.mkdirs();
continue;
}
InputStream inStream = jar.getInputStream(entry);
File outFile = new File(entry.getName());
if (outFile.exists()) {
throw new RuntimeException("File unexpectedly exists");
}
FileOutputStream outputStream = new FileOutputStream(outFile);
int read = 0;
while ((read = inStream.read(bytes)) != -1) {
outputStream.write(bytes, 0, read);
}
inStream.close();
outputStream.close();
}
}
jar.close();
}
/**
* 通过流将jar中的一个文件的内容输出
*
* @param jarPaht jar文件存放的位置
* @param filePaht 指定的文件目录
*/
private void getStream(String jarPath, String filePath) {
JarFile jarFile = null;
try {
jarFile = new JarFile(jarPath);
} catch (IOException e1) {
e1.printStackTrace();
}
Enumeration<JarEntry> ee = jarFile.entries();
List<JarEntry> jarEntryList = new ArrayList<JarEntry>();
while (ee.hasMoreElements()) {
JarEntry entry = ee.nextElement();
// 过滤我们出满足我们需求的东西，这里的fileName是指向一个具体的文件的对象的完整包路径，比如com/mypackage/test.txt
if (entry.getName().startsWith(filePath)) {
jarEntryList.add(entry);
}
}
try {
InputStream in = jarFile.getInputStream(jarEntryList.get(0));
BufferedReader br = new BufferedReader(new InputStreamReader(in));
String s = "";
while ((s = br.readLine()) != null) {
System.out.println(s);
}
} catch (IOException e) {
e.printStackTrace();
}
}
private Class<?> loadClassFromJar(String className) throws ClassNotFoundException {
Class<?> result = null;
result = classes.get(className); // checks in cached classes
if (result != null) {
return result;
}
try {
final JarFile jar = new JarFile(jarFile);
try {
final String path = className.replace('.', '/');
final JarEntry entry = jar.getJarEntry(path + ".class");
final InputStream in = jar.getInputStream(entry);
try {
final byte[] classBytes = IOUtils.toByteArray(in);
result = defineClass(className, classBytes, 0, classBytes.length, null);
classes.put(className, result);
return result;
} finally {
in.close();
}
} finally {
jar.close();
}
} catch (Exception e) {
throw new ClassNotFoundException("Can't find class " + className + " in jar " + jarFile, e);
}
}
private static void copyFiles(Manifest manifest, JarFile in, JarOutputStream out, long timestamp)
throws IOException {
byte[] buffer = new byte[4096];
int num;
Map<String, Attributes> entries = manifest.getEntries();
List<String> names = new ArrayList<String>(entries.keySet());
Collections.sort(names);
for (String name : names) {
JarEntry inEntry = in.getJarEntry(name);
JarEntry outEntry = null;
if (inEntry.getMethod() == ZipEntry.STORED) {
outEntry = new JarEntry(inEntry);
} else {
outEntry = new JarEntry(name);
}
outEntry.setTime(timestamp);
out.putNextEntry(outEntry);
InputStream data = in.getInputStream(inEntry);
while ((num = data.read(buffer)) > 0) {
out.write(buffer, 0, num);
}
out.flush();
}
}
public void connect() throws IOException {
if (!connected) {
String path = url.getPath();
Matcher matcher = urlPattern.matcher(path);
if (matcher.matches()) {
path = matcher.group(1);
String subPath = matcher.group(2);
JarURLConnection jarURLConnection =
(JarURLConnection) new URL("jar:" + path).openConnection();
inputStream = jarURLConnection.getInputStream();
if (subPath.isEmpty() == false) {
JarFile jar = retrieve(new URL(path), inputStream);
String[] nodes = nestingSeparatorPattern.split(subPath);
int i;
for (i = 0; i < nodes.length - 1; i++) {
path += "!/" + nodes[i];
jar = retrieve(new URL(path), inputStream);
}
ZipEntry entry = jar.getEntry(nodes[i]);
entrySize = entry.getSize();
inputStream = jar.getInputStream(entry);
}
} else {
throw new MalformedURLException("Invalid JAP URL path: " + path);
}
connected = true;
}
}
/**
* Take the name of a jar file and extract the plugin.xml file, if possible, to a temporary file.
*
* @param f The jar file to extract from.
* @return a temporary file to which the plugin.xml file has been copied.
*/
public static File unpackPluginXML(File f) {
InputStream in = null;
OutputStream out = null;
try {
JarFile jar = new JarFile(f);
ZipEntry entry = jar.getEntry(PLUGIN_XML_FILE);
if (entry == null) {
return null;
}
File dest = File.createTempFile("jabref_plugin", ".xml");
dest.deleteOnExit();
in = new BufferedInputStream(jar.getInputStream(entry));
out = new BufferedOutputStream(new FileOutputStream(dest));
byte[] buffer = new byte[2048];
for (; ; ) {
int nBytes = in.read(buffer);
if (nBytes <= 0) break;
out.write(buffer, 0, nBytes);
}
out.flush();
return dest;
} catch (IOException ex) {
ex.printStackTrace();
return null;
} finally {
try {
if (out != null) out.close();
if (in != null) in.close();
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
@RequestMapping("/source")
public void source(
Model model,
@RequestParam("id") String jarid,
@RequestParam("clz") String clazzName,
@RequestParam(value = "type", required = false, defaultValue = "asmdump") String type) {
model.addAttribute("clzName", clazzName);
model.addAttribute("id", jarid);
if (Database.get(jarid) == null) {
return;
}
FileItem path = (FileItem) Database.get(jarid).getObj();
model.addAttribute("jarFile", path);
try {
JarFile jarFile = new JarFile(path.getFullName());
String code = "";
JarEntry entry = jarFile.getJarEntry(clazzName);
InputStream inputStream = jarFile.getInputStream(entry);
if (type.equals("asmdump")) {
code = asmDump(inputStream);
} else if (type.equals("decomp")) {
code = jclazzDecomp(clazzName, inputStream);
}
model.addAttribute("code", code);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* Unpacks a jar file to a temporary directory that will be removed when the VM exits.
*
* @param jarfilePath the path of the jar to unpack
* @return the path of the temporary directory
*/
private static String explodeJarToTempDir(File jarfilePath) {
try {
final Path jarfileDir = Files.createTempDirectory(jarfilePath.getName());
Runtime.getRuntime()
.addShutdownHook(
new Thread() {
@Override
public void run() {
delete(jarfileDir.toFile());
}
});
jarfileDir.toFile().deleteOnExit();
JarFile jarfile = new JarFile(jarfilePath);
Enumeration<JarEntry> entries = jarfile.entries();
while (entries.hasMoreElements()) {
JarEntry e = entries.nextElement();
if (!e.isDirectory()) {
File path = new File(jarfileDir.toFile(), e.getName().replace('/', File.separatorChar));
File dir = path.getParentFile();
dir.mkdirs();
assert dir.exists();
Files.copy(jarfile.getInputStream(e), path.toPath());
}
}
return jarfileDir.toFile().getAbsolutePath();
} catch (IOException e) {
throw new AssertionError(e);
}
}
/**
* Gets the manifest.
*
* @param jarName the jar name
* @param lineSeparator the line separator
* @return the manifest
*/
public String getManifest(final String jarName, final String lineSeparator) {
StringBuilder sb = new StringBuilder();
String lib = getLibraryPathName(jarBaseName);
if (!isEmpty(lib)) {
lib = lib.replaceAll("file:", "");
final File[] files = new File(lib).listFiles(new FilenameFilterJar());
if ((files != null) && (files.length > 0)) {
for (File jar : files) {
if (jar.getName().matches(".*" + jarName + ".*") && jar.exists()) {
try {
JarFile jarFile = new JarFile(jar);
final JarEntry entry = jarFile.getJarEntry("META-INF/MANIFEST.MF");
final InputStream is = jarFile.getInputStream(entry);
final BufferedReader br = new BufferedReader(new InputStreamReader(is));
String line;
while ((line = br.readLine()) != null) {
sb.append(lineSeparator).append(line);
}
if (jarFile != null) {
jarFile.close();
jarFile = null;
}
} catch (final Exception e) {
}
}
}
}
}
return sb.toString();
}
/**
* Removes an entry from a jar file
*
* @param jar The jar file
* @param entryName The name of the entry to remove
* @return The data of the jar with the entry removed
* @throws IOException
*/
public static byte[] removeJarEntry(JarFile jar, String entryName) throws IOException {
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
JarOutputStream jarOut = new JarOutputStream(bytes);
// copy all entries except the one with the matching name
Set<String> copiedEntries = new HashSet<String>();
Enumeration<JarEntry> jarEntries = jar.entries();
while (jarEntries.hasMoreElements()) {
JarEntry entry = jarEntries.nextElement();
String name = entry.getName();
if (!name.equals(entryName)) {
if (!copiedEntries.contains(name)) {
jarOut.putNextEntry(entry);
InputStream entryStream = jar.getInputStream(entry);
byte[] entryBytes = streamToBytes(entryStream);
entryStream.close();
jarOut.write(entryBytes);
jarOut.closeEntry();
copiedEntries.add(name);
}
}
}
jarOut.flush();
jarOut.close();
return bytes.toByteArray();
}
/** Copies all entries under the path specified by the jarPath to the JarOutputStream. */
private void copyJarEntries(URL jarPath, Set<String> entries, JarOutputStream jarOut)
throws IOException {
String spec = new URL(jarPath.getFile()).getFile();
String entryRoot = spec.substring(spec.lastIndexOf('!') + 1);
if (entryRoot.charAt(0) == '/') {
entryRoot = entryRoot.substring(1);
}
JarFile jarFile = new JarFile(spec.substring(0, spec.lastIndexOf('!')));
try {
Enumeration<JarEntry> jarEntries = jarFile.entries();
while (jarEntries.hasMoreElements()) {
JarEntry jarEntry = jarEntries.nextElement();
String name = jarEntry.getName();
if (name == null || !name.startsWith(entryRoot)) {
continue;
}
if (entries.add(name)) {
jarOut.putNextEntry(new JarEntry(jarEntry));
ByteStreams.copy(jarFile.getInputStream(jarEntry), jarOut);
jarOut.closeEntry();
}
}
} finally {
jarFile.close();
}
}
