Example usage for java.util.jar JarFile entries

Introduction

In this page you can find the example usage for java.util.jar JarFile entries.

Prototype

public Enumeration<JarEntry> entries() 

Source Link

Document

Returns an enumeration of the jar file entries.

Usage

From source file:com.moss.nomad.core.packager.Packager.java

private static String[] listJarPaths(File file) throws Exception {

    JarFile jar = new JarFile(file);
    Enumeration<JarEntry> e = jar.entries();
    List<String> paths = new ArrayList<String>();

    while (e.hasMoreElements()) {
        JarEntry entry = e.nextElement();
        paths.add(entry.getName());/*  w  w w  . j  a  v  a 2s .c  om*/
    }

    return paths.toArray(new String[0]);
}

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From source file:eu.sisob.uma.footils.File.FileFootils.java

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 = StringUtils.removeStart(entry.getName(), //
                    jarConnection.getEntryName());

            final File f = new File(destDir, filename);
            if (!entry.isDirectory()) {
                final InputStream entryInputStream = jarFile.getInputStream(entry);
                if (!FileFootils.copyStream(entryInputStream, f)) {
                    return false;
                }/*from w ww. ja  va  2 s.co  m*/
                entryInputStream.close();
            } else {
                if (!FileFootils.ensureDirectoryExists(f)) {
                    throw new IOException("Could not create directory: " + f.getAbsolutePath());
                }
            }
        }
    }
    return true;
}

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From source file:ch.rasc.embeddedtc.plugin.PackageTcWarMojo.java

private static void extractJarToArchive(JarFile file, ArchiveOutputStream aos) throws IOException {
    Enumeration<? extends JarEntry> entries = file.entries();
    while (entries.hasMoreElements()) {
        JarEntry j = entries.nextElement();
        if (!"META-INF/MANIFEST.MF".equals(j.getName())) {
            aos.putArchiveEntry(new JarArchiveEntry(j.getName()));
            IOUtils.copy(file.getInputStream(j), aos);
            aos.closeArchiveEntry();/*from   ww  w .  ja  va2  s  .  c  om*/
        }
    }
}

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From source file:com.gargoylesoftware.htmlunit.javascript.configuration.JavaScriptConfigurationTest.java

/**
 * Return the classes inside the specified package and its sub-packages.
 * @param klass a class inside that package
 * @return a list of class names/*from  w  ww.j  a  v a  2 s  . c  o  m*/
 */
public static List<String> getClassesForPackage(final Class<?> klass) {
    final List<String> list = new ArrayList<>();

    File directory = null;
    final String relPath = klass.getName().replace('.', '/') + ".class";

    final URL resource = JavaScriptConfiguration.class.getClassLoader().getResource(relPath);

    if (resource == null) {
        throw new RuntimeException("No resource for " + relPath);
    }
    final String fullPath = resource.getFile();

    try {
        directory = new File(resource.toURI()).getParentFile();
    } catch (final URISyntaxException e) {
        throw new RuntimeException(klass.getName() + " (" + resource + ") does not appear to be a valid URL",
                e);
    } catch (final IllegalArgumentException e) {
        directory = null;
    }

    if (directory != null && directory.exists()) {
        addClasses(directory, klass.getPackage().getName(), list);
    } else {
        try {
            String jarPath = fullPath.replaceFirst("[.]jar[!].*", ".jar").replaceFirst("file:", "");
            if (System.getProperty("os.name").toLowerCase(Locale.ROOT).contains("win")) {
                jarPath = jarPath.replace("%20", " ");
            }
            final JarFile jarFile = new JarFile(jarPath);
            for (final Enumeration<JarEntry> entries = jarFile.entries(); entries.hasMoreElements();) {
                final String entryName = entries.nextElement().getName();
                if (entryName.endsWith(".class")) {
                    list.add(entryName.replace('/', '.').replace('\\', '.').replace(".class", ""));
                }
            }
            jarFile.close();
        } catch (final IOException e) {
            throw new RuntimeException(klass.getPackage().getName() + " does not appear to be a valid package",
                    e);
        }
    }
    return list;
}

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From source file:com.catalyst.sonar.score.batch.util.FileInstaller.java

/**
 * Copies a directory from a {@link JarURLConnection} to a destination
 * Directory outside the jar./*from   w w  w  .  ja  v  a2s. co  m*/
 * 
 * @param destDir
 * @param jarConnection
 * @return true if copy is successful, false otherwise.
 * @throws IOException
 */
public static boolean copyJarResourcesRecursively(final File destDir, final JarURLConnection jarConnection)
        throws IOException {
    logger.debug("copyJarResourcesRecursively()");
    boolean success = true;
    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 = StringUtils.removeStart(entry.getName(), //
                    jarConnection.getEntryName());

            final File f = new File(destDir, filename);
            if (!entry.isDirectory()) {
                final InputStream entryInputStream = jarFile.getInputStream(entry);
                if (!FileInstaller.copyStream(entryInputStream, f)) {
                    success = false;
                    logger.debug("returning " + success);
                    return success;
                }
                entryInputStream.close();
            } else {
                if (!FileInstaller.ensureDirectoryExists(f)) {
                    logger.debug("throwing an IOException");
                    throw new IOException("Could not create directory: " + f.getAbsolutePath());
                }
            }
        }
    }
    logger.debug("returning " + success);
    return success;
}

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From source file:org.jiemamy.utils.ClassTraversal.java

/**
 * ??jar????//  w ww . j  a va 2  s  .c o m
 * 
 * @param jarFile Jar
 * @param handler ?
 * @throws TraversalHandlerException ???????
 * @throws IllegalArgumentException ?{@code null}???
 */
public static void forEach(JarFile jarFile, ClassHandler handler) throws TraversalHandlerException {
    Validate.notNull(jarFile);
    Validate.notNull(handler);
    boolean hasWarExtension = jarFile.getName().endsWith(WAR_FILE_EXTENSION);

    Enumeration<JarEntry> enumeration = jarFile.entries();
    while (enumeration.hasMoreElements()) {
        JarEntry entry = enumeration.nextElement();
        String entryName = entry.getName().replace('\\', '/');
        if (entryName.endsWith(CLASS_EXTENSION)) {
            int startPos = hasWarExtension && entryName.startsWith(WEB_INF_CLASSES_PATH)
                    ? WEB_INF_CLASSES_PATH.length()
                    : 0;
            String className = entryName.substring(startPos, entryName.length() - CLASS_EXTENSION.length())
                    .replace('/', '.');
            int pos = className.lastIndexOf('.');
            String packageName = (pos == -1) ? null : className.substring(0, pos);
            String shortClassName = (pos == -1) ? className : className.substring(pos + 1);
            handler.processClass(packageName, shortClassName);
        }
    }
}

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From source file:org.clickframes.util.JarResourceUtil.java

public static File copyTemplatesFromJarToTempDirectory(String jarFileName, String autoscanDirectoryName)
        throws IOException {
    // String jarName = "clickframes-webflow-plugin";
    // String AUTOSCAN_DIR = "/autoscan/";
    final String classpath = System.getProperty("java.class.path");
    String[] classpathArray = classpath.split(File.pathSeparatorChar + "");

    logger.debug("classpath = " + classpath);
    for (String classpathJar : classpathArray) {
        logger.debug("jar = " + classpathJar);
        if (classpathJar.contains(jarFileName)) {
            JarFile jarFile = new JarFile(classpathJar);
            File temporaryFolder = new File(System.getProperty("java.io.tmpdir"), "autoscanTempDir");
            temporaryFolder.mkdirs();/*  w w w.  ja  v  a  2s .  c  o  m*/
            temporaryFolder.deleteOnExit();
            // list all entries in jar
            Enumeration<JarEntry> resources = jarFile.entries();
            while (resources.hasMoreElements()) {
                JarEntry je = resources.nextElement();
                final String fileInJar = je.getName();
                // if autoscan target, copy to temp folder
                if (fileInJar.contains(autoscanDirectoryName)) {
                    copyFile(jarFile, temporaryFolder, je, fileInJar);
                }
            }
            return temporaryFolder;
        }
    }
    throw new RuntimeException("We're sorry, we couldn't find your jar");
}

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From source file:com.eucalyptus.upgrade.TestHarness.java

@SuppressWarnings("unchecked")
private static Multimap<Class, Method> getTestMethods() throws Exception {
    final Multimap<Class, Method> testMethods = ArrayListMultimap.create();
    List<Class> classList = Lists.newArrayList();
    for (File f : new File(System.getProperty("euca.home") + "/usr/share/eucalyptus").listFiles()) {
        if (f.getName().startsWith("eucalyptus") && f.getName().endsWith(".jar")
                && !f.getName().matches(".*-ext-.*")) {
            try {
                JarFile jar = new JarFile(f);
                Enumeration<JarEntry> jarList = jar.entries();
                for (JarEntry j : Collections.list(jar.entries())) {
                    if (j.getName().matches(".*\\.class.{0,1}")) {
                        String classGuess = j.getName().replaceAll("/", ".").replaceAll("\\.class.{0,1}", "");
                        try {
                            Class candidate = ClassLoader.getSystemClassLoader().loadClass(classGuess);
                            for (final Method m : candidate.getDeclaredMethods()) {
                                if (Iterables.any(testAnnotations,
                                        new Predicate<Class<? extends Annotation>>() {
                                            public boolean apply(Class<? extends Annotation> arg0) {
                                                return m.getAnnotation(arg0) != null;
                                            }
                                        })) {
                                    System.out.println("Added test class: " + candidate.getCanonicalName());
                                    testMethods.put(candidate, m);
                                }/*from w  w w  .jav  a 2s .  co m*/
                            }
                        } catch (ClassNotFoundException e) {
                        }
                    }
                }
                jar.close();
            } catch (Exception e) {
                System.out.println(e.getMessage());
                continue;
            }
        }
    }
    return testMethods;
}

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From source file:javadepchecker.Main.java

/**
 * Check if a dependency is needed by a given package
 *
 * @param pkg Gentoo package name/*from   w  w  w. j  a  v a2 s  . c  o  m*/
 * @param deps collection of dependencies for the package
 * @return boolean if the dependency is needed or not
 * @throws IOException
 */
private static boolean depNeeded(String pkg, Collection<String> deps) throws IOException {
    Collection<String> jars = getPackageJars(pkg);

    // We have a virtual with VM provider here
    if (jars.isEmpty()) {
        return true;
    }
    for (String jarName : jars) {
        JarFile jar = new JarFile(jarName);
        for (Enumeration<JarEntry> e = jar.entries(); e.hasMoreElements();) {
            String name = e.nextElement().getName();
            if (deps.contains(name)) {
                return true;
            }
        }
    }
    return false;
}

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From source file:net.sourceforge.lept4j.util.LoadLibs.java

/**
 * Copies resources from the jar file of the current thread and extract it
 * to the destination directory.//from   w  w w.  j  a  v  a  2 s. c o m
 *
 * @param jarConnection
 * @param destDir
 */
static void copyJarResourceToDirectory(JarURLConnection jarConnection, File destDir) {
    try {
        JarFile jarFile = jarConnection.getJarFile();
        String jarConnectionEntryName = jarConnection.getEntryName() + "/";

        /**
         * Iterate all entries in the jar file.
         */
        for (Enumeration<JarEntry> e = jarFile.entries(); e.hasMoreElements();) {
            JarEntry jarEntry = e.nextElement();
            String jarEntryName = jarEntry.getName();

            /**
             * Extract files only if they match the path.
             */
            if (jarEntryName.startsWith(jarConnectionEntryName)) {
                String filename = jarEntryName.substring(jarConnectionEntryName.length());
                File currentFile = new File(destDir, filename);

                if (jarEntry.isDirectory()) {
                    currentFile.mkdirs();
                } else {
                    currentFile.deleteOnExit();
                    InputStream is = jarFile.getInputStream(jarEntry);
                    OutputStream out = FileUtils.openOutputStream(currentFile);
                    IOUtils.copy(is, out);
                    is.close();
                    out.close();
                }
            }
        }
    } catch (IOException e) {
        logger.log(Level.WARNING, e.getMessage(), e);
    }
}

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