/**
* Finds native library entry.
*
* @param sLib Library name. For example for the library name "Native" the Windows returns entry
* "Native.dll", the Linux returns entry "libNative.so", the Mac returns entry
* "libNative.jnilib".
* @return Native library entry.
*/
private JarEntryInfo findJarNativeEntry(String sLib) {
String sName = System.mapLibraryName(sLib);
for (JarFileInfo jarFileInfo : lstJarFile) {
JarFile jarFile = jarFileInfo.jarFile;
Enumeration<JarEntry> en = jarFile.entries();
while (en.hasMoreElements()) {
JarEntry je = en.nextElement();
if (je.isDirectory()) {
continue;
}
// Example: sName is "Native.dll"
String sEntry = je.getName(); // "Native.dll" or "abc/xyz/Native.dll"
// sName "Native.dll" could be found, for example
// - in the path: abc/Native.dll/xyz/my.dll <-- do not load this one!
// - in the partial name: abc/aNative.dll <-- do not load this one!
String[] token = sEntry.split("/"); // the last token is library name
if (token.length > 0 && token[token.length - 1].equals(sName)) {
logInfo(
LogArea.NATIVE,
"Loading native library '%s' found as '%s' in JAR %s",
sLib,
sEntry,
jarFileInfo.simpleName);
return new JarEntryInfo(jarFileInfo, je);
}
}
}
return null;
} // findJarNativeEntry()
@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();
}
/**
* Gets the build teimstamp from the jar manifest
*
* @return build timestamp
*/
private static String getManifestBuildTimestamp() {
JarURLConnection connection = null;
JarFile jarFile = null;
URL url = Commons.class.getClassLoader().getResource("jaligner");
try {
// Get jar connection
connection = (JarURLConnection) url.openConnection();
// Get the jar file
jarFile = connection.getJarFile();
// Get the manifest
Manifest manifest = jarFile.getManifest();
// Get the manifest entries
Attributes attributes = manifest.getMainAttributes();
Attributes.Name name = new Attributes.Name(BUILD_TIMESTAMP);
return attributes.getValue(name);
} catch (Exception e) {
String message = "Failed getting the current release info: " + e.getMessage();
logger.log(Level.WARNING, message);
}
return null;
}
private static void scanJar(File jarfile, File root, List<GenerationTarget> targets) {
JarFile jar = null;
try {
jar = new JarFile(jarfile);
} catch (IOException e1) {
}
if (jar == null) return;
Enumeration<JarEntry> entries = jar.entries();
while (entries.hasMoreElements()) {
JarEntry jarEntry = (JarEntry) entries.nextElement();
if (jarEntry.isDirectory()) {
continue;
}
// expand .vm also but do not create a target. They are needed during generation.
if (jarEntry.getName().endsWith("templates.xml") || jarEntry.getName().endsWith(".vm")) {
File tempfile = null;
try {
tempfile = JarUtil.createTemporaryFile(jar, jarEntry);
} catch (IOException e) {
}
if (tempfile != null && jarEntry.getName().endsWith("templates.xml")) {
GenerationTarget target = createTarget(tempfile, root);
if (target != null) {
targets.add(target);
}
}
}
}
} // end scanJar
public boolean isDirectory(URI uri) {
try {
if (uri.getPath() != null && uri.getPath().endsWith(".jar!")) {
// if the uri is the root of a jar, and it ends with a !, it should be considered a
// directory
return true;
}
String jar = getJar(uri);
String path = getPath(uri);
if (!path.endsWith("/")) {
path = path + "/";
}
JarFile jarFile = new JarFile(jar);
try {
JarEntry jarEntry = jarFile.getJarEntry(path);
if (jarEntry != null && jarEntry.isDirectory()) {
return true;
}
// maybe the path is not in the jar as a seperate entry, but there are files in the path
Enumeration<JarEntry> entries = jarFile.entries();
while (entries.hasMoreElements()) {
if (entries.nextElement().getName().startsWith(path)) {
return true;
}
}
return false;
} finally {
jarFile.close();
}
} catch (IOException e) {
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;
}
@Test
public void getEntryTime() throws Exception {
java.util.jar.JarFile jdkJarFile = new java.util.jar.JarFile(this.rootJarFile);
assertThat(this.jarFile.getEntry("META-INF/MANIFEST.MF").getTime())
.isEqualTo(jdkJarFile.getEntry("META-INF/MANIFEST.MF").getTime());
jdkJarFile.close();
}
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;
}
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));
}
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();
}
}
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 String getConfigInfoFromManifest(String configType, IPath portalDir) {
File implJar = portalDir.append("/WEB-INF/lib/portal-impl.jar").toFile();
String version = null;
String serverInfo = null;
if (implJar.exists()) {
try (JarFile jar = new JarFile(implJar)) {
Manifest manifest = jar.getManifest();
Attributes attributes = manifest.getMainAttributes();
version = attributes.getValue("Liferay-Portal-Version");
serverInfo = attributes.getValue("Liferay-Portal-Server-Info");
if (CoreUtil.compareVersions(Version.parseVersion(version), MANIFEST_VERSION_REQUIRED)
< 0) {
version = null;
serverInfo = null;
}
} catch (IOException e) {
LiferayServerCore.logError(e);
}
}
if (configType.equals(CONFIG_TYPE_VERSION)) {
return version;
}
if (configType.equals(CONFIG_TYPE_SERVER)) {
return serverInfo;
}
return null;
}
public static boolean isJarDirectory(String path) {
if (isJarFile()) {
try {
JarFile jar = new JarFile(getJarFile());
ZipEntry entry = jar.getEntry(path);
return entry != null && entry.isDirectory();
} catch (Exception e) {
e.printStackTrace();
}
} else {
try {
URL url = FileUtilities.class.getResource("/" + path);
if (url != null) {
URI uri = url.toURI();
File classpath = new File(uri);
return classpath.isDirectory();
} else {
return false;
}
} catch (Exception e) {
e.printStackTrace();
}
}
return false;
}
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 findPackagesInJar(String packageRoot, Set<String> list, File jar)
throws IOException {
Set<String> paths = new HashSet<String>();
JarFile jf = null;
try {
jf = new JarFile(jar);
String packagePath = packageRoot.replaceAll("\\.", "/");
Enumeration<JarEntry> entries = jf.entries();
while (entries.hasMoreElements()) {
JarEntry entry = entries.nextElement();
if (entry.getName().startsWith(packagePath)) {
String match = entry.getName().substring(0, entry.getName().lastIndexOf("/"));
paths.add(match.replaceAll("/", "\\."));
}
}
list.addAll(paths);
} finally {
try {
if (jf != null) {
jf.close();
}
} catch (IOException e) {
}
}
}
/**
* 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();
}
}
public static Set<Class<?>> getClassFromJar(String jarPath) throws IOException {
// read jar file
JarFile jarFile = new JarFile(jarPath);
Enumeration<JarEntry> jarEntries = jarFile.entries();
Set<Class<?>> classes = new LinkedHashSet<Class<?>>();
while (jarEntries.hasMoreElements()) {
JarEntry jarEntry = jarEntries.nextElement();
String name = jarEntry.getName();
if (name.endsWith(".class")) {
String className = name.replaceAll(".class", "").replaceAll("/", ".");
Class<?> type = null;
try {
type = ClassLoader.getSystemClassLoader().loadClass(className);
} catch (Error e) {
} catch (ClassNotFoundException e) {
}
if (type != null) {
classes.add(type);
}
}
}
jarFile.close();
return classes;
}
@SuppressWarnings("resource")
private InitStep loadInitStep(Path jar) {
try {
URLClassLoader pluginLoader =
new URLClassLoader(
new URL[] {jar.toUri().toURL()}, InitPluginStepsLoader.class.getClassLoader());
try (JarFile jarFile = new JarFile(jar.toFile())) {
Attributes jarFileAttributes = jarFile.getManifest().getMainAttributes();
String initClassName = jarFileAttributes.getValue("Gerrit-InitStep");
if (initClassName == null) {
return null;
}
@SuppressWarnings("unchecked")
Class<? extends InitStep> initStepClass =
(Class<? extends InitStep>) pluginLoader.loadClass(initClassName);
return getPluginInjector(jar).getInstance(initStepClass);
} catch (ClassCastException e) {
ui.message(
"WARN: InitStep from plugin %s does not implement %s (Exception: %s)\n",
jar.getFileName(), InitStep.class.getName(), e.getMessage());
return null;
} catch (NoClassDefFoundError e) {
ui.message(
"WARN: Failed to run InitStep from plugin %s (Missing class: %s)\n",
jar.getFileName(), e.getMessage());
return null;
}
} catch (Exception e) {
ui.message(
"WARN: Cannot load and get plugin init step for %s (Exception: %s)\n",
jar, e.getMessage());
return null;
}
}
private Map<String, URLClassLoader> createClassLoaderMap(File dir, String[] files)
throws IOException {
Map<String, URLClassLoader> m = new TreeMap<String, URLClassLoader>();
for (int i = 0; i < files.length; i++) {
File moduleJar = new File(dir, files[i]);
Manifest manifest;
JarFile jar = new JarFile(moduleJar);
try {
manifest = jar.getManifest();
} finally {
jar.close();
}
if (manifest == null) {
log(moduleJar + " has no manifest", Project.MSG_WARN);
continue;
}
String codename = JarWithModuleAttributes.extractCodeName(manifest.getMainAttributes());
if (codename == null) {
log(moduleJar + " is not a module", Project.MSG_WARN);
continue;
}
m.put(
codename.replaceFirst("/[0-9]+$", ""),
new URLClassLoader(
new URL[] {moduleJar.toURI().toURL()},
ClassLoader.getSystemClassLoader().getParent(),
new NbDocsStreamHandler.Factory()));
}
return m;
}
/** @see java.lang.ClassLoader#findResources(java.lang.String) */
@Override
public Enumeration<URL> findResources(String resourceName) throws IOException {
String webInfResourceName = "WEB-INF/classes/" + resourceName;
List<URL> urlList = new ArrayList<URL>();
int jarFileListSize = jarFileList.size();
for (int i = 0; i < jarFileListSize; i++) {
JarFile jarFile = jarFileList.get(i);
JarEntry jarEntry = jarFile.getJarEntry(resourceName);
// to better support war format, look for the resourceName in the WEB-INF/classes directory
if (loadWebInf && jarEntry == null) jarEntry = jarFile.getJarEntry(webInfResourceName);
if (jarEntry != null) {
try {
String jarFileName = jarFile.getName();
if (jarFileName.contains("\\")) jarFileName = jarFileName.replace('\\', '/');
urlList.add(new URL("jar:file:" + jarFileName + "!/" + jarEntry));
} catch (MalformedURLException e) {
System.out.println(
"Error making URL for ["
+ resourceName
+ "] in jar ["
+ jarFile
+ "] in war file ["
+ outerFile
+ "]: "
+ e.toString());
}
}
}
// add all resources found in parent loader too
Enumeration<URL> superResources = super.findResources(resourceName);
while (superResources.hasMoreElements()) urlList.add(superResources.nextElement());
return Collections.enumeration(urlList);
}
/**
* 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);
}
}
/** Load all the classes in the current jar file so it can be overwritten */
private void loadAllClasses() {
LWC lwc = LWC.getInstance();
try {
// Load the jar
JarFile jar = new JarFile(lwc.getPlugin().getFile());
// Walk through all of the entries
Enumeration<JarEntry> enumeration = jar.entries();
while (enumeration.hasMoreElements()) {
JarEntry entry = enumeration.nextElement();
String name = entry.getName();
// is it a class file?
if (name.endsWith(".class")) {
// convert to package
String path = name.replaceAll("/", ".");
path = path.substring(0, path.length() - ".class".length());
// Load it
this.getClass().getClassLoader().loadClass(path);
}
}
} catch (IOException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
}
public void run() {
// run this first, ie shutdown the container before closing jarFiles to avoid errors with
// classes missing
if (callMethod != null) {
try {
callMethod.invoke(callObject);
} catch (Exception e) {
System.out.println("Error in shutdown: " + e.toString());
}
}
// give things a couple seconds to destroy; this way of running is mostly for dev/test where
// this should be sufficient
try {
synchronized (this) {
this.wait(2000);
}
} catch (Exception e) {
System.out.println("Shutdown wait interrupted");
}
System.out.println(
"========== Shutting down Moqui Executable (closing jars, etc) ==========");
// close all jarFiles so they will "deleteOnExit"
for (JarFile jarFile : jarFileList) {
try {
jarFile.close();
} catch (IOException e) {
System.out.println("Error closing jar [" + jarFile + "]: " + e.toString());
}
}
}
private void checkShading() {
if (logLevel.ordinal() < LogLevel.WARN.ordinal()) {
// Do not waste time if no logging.
return;
}
Map<String, JarFileInfo> hm = new HashMap<String, JarFileInfo>();
for (JarFileInfo jarFileInfo : lstJarFile) {
JarFile jarFile = jarFileInfo.jarFile;
Enumeration<JarEntry> en = jarFile.entries();
while (en.hasMoreElements()) {
JarEntry je = en.nextElement();
if (je.isDirectory()) {
continue;
}
String sEntry = je.getName(); // "Some.txt" or "abc/xyz/Some.txt"
if ("META-INF/MANIFEST.MF".equals(sEntry)) {
continue;
}
JarFileInfo jar = hm.get(sEntry);
if (jar == null) {
hm.put(sEntry, jarFileInfo);
} else {
logWarn(
LogArea.JAR,
"ENTRY %s IN %s SHADES %s",
sEntry,
jar.simpleName,
jarFileInfo.simpleName);
}
}
}
}
/**
* Lists all entries for the given JAR.
*
* @param uri
* @return .
*/
public static Collection<String> listAllEntriesFor(URI uri) {
final Collection<String> rval = new ArrayList<String>();
try {
final JarURLConnection connection =
(JarURLConnection) new URI("jar:" + uri + "!/").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();
rval.add(name);
}
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (URISyntaxException e) {
e.printStackTrace();
}
return rval;
}
protected void processJar(
ClassResource classResource, Set<Class<?>> classes, String filter, Integer limit) {
URL resource = classResource.getResource();
String packageName = classResource.getPackageName();
String relativePath = getPackageRelativePath(packageName);
String jarPath = getJarPath(resource);
JarFile jarFile;
try {
jarFile = new JarFile(jarPath);
} catch (IOException e) {
LOG.debug("IOException reading JAR '" + jarPath + ". Reason: " + e, e);
return;
}
Enumeration<JarEntry> entries = jarFile.entries();
while (entries.hasMoreElements() && withinLimit(limit, classes)) {
JarEntry entry = entries.nextElement();
String entryName = entry.getName();
String className = null;
if (entryName.endsWith(".class")
&& entryName.startsWith(relativePath)
&& entryName.length() > (relativePath.length() + 1)) {
className = entryName.replace('/', '.').replace('\\', '.').replace(".class", "");
}
Class<?> aClass = tryFindClass(className, filter);
if (aClass != null) {
classes.add(aClass);
}
}
}
protected Set<Class> processJarUrl(URL url, String basepath, Class clazz) throws IOException {
Set<Class> set = new HashSet<Class>();
String path = url.getFile().substring(5, url.getFile().indexOf("!"));
JarFile jar = new JarFile(path);
for (Enumeration entries = jar.entries(); entries.hasMoreElements(); ) {
JarEntry entry = (JarEntry) entries.nextElement();
if (entry.getName().startsWith(basepath) && entry.getName().endsWith(".class")) {
try {
String name = entry.getName();
// Ignore anonymous
// TODO RM what about the other anonymous classes like $2, $3 ?
if (name.contains("$1")) {
continue;
}
URL classURL = classLoader.getResource(name);
ClassReader reader = new ClassReader(classURL.openStream());
ClassScanner visitor = getScanner(clazz);
reader.accept(visitor, 0);
if (visitor.isMatch()) {
Class c = loadClass(visitor.getClassName());
if (c != null) {
set.add(c);
}
}
} catch (Exception e) {
if (logger.isDebugEnabled()) {
Throwable t = ExceptionHelper.getRootException(e);
logger.debug(String.format("%s: caused by: %s", e.toString(), t.toString()));
}
}
}
}
return set;
}
public static List<JarFileItem> listJarFile(String jarPath, JarFileFilter filter, String ext)
throws IOException {
List<JarFileItem> result = new ArrayList<JarFileItem>();
JarFile jar = null;
try {
jar = new JarFile(jarPath);
Enumeration<JarEntry> en = jar.entries();
while (en.hasMoreElements()) {
JarEntry entry = en.nextElement();
if (entry.isDirectory() || !entry.getName().endsWith("." + ext)) {
continue;
}
if (filter == null) {
continue;
} else if (filter.accept(entry)) {
result.add(new JarFileItem(jarPath, entry.getName()));
}
}
jar.close();
} catch (IOException e) {
log.error(e, e);
throw e;
}
return result;
}
/**
* 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();
}
}
}
private List<ResourceProxy> extractResourcesFromJar(File file) {
List<ResourceProxy> jarResources = new LinkedList<ResourceProxy>();
try {
JarFile jarPluginOrFeature = new JarFile(file);
Enumeration<JarEntry> jarEntries = jarPluginOrFeature.entries();
JarEntry jarEntry = jarEntries.nextElement();
while (jarEntry != null) {
String resourceEntryName = jarEntry.getName();
if (isValidResource(resourceEntryName)) {
jarResources.add(
new ResourceProxy(
new File(file.getAbsolutePath() + File.separator + resourceEntryName),
resourceEntryName));
}
if (jarEntries.hasMoreElements()) {
jarEntry = jarEntries.nextElement();
} else {
jarEntry = null;
}
}
} catch (Exception e) {
System.out.println(e.getMessage());
}
return jarResources;
}
