Example usage for java.util.jar JarEntry isDirectory

List of usage examples for java.util.jar JarEntry isDirectory

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Introduction

In this page you can find the example usage for java.util.jar JarEntry isDirectory.

Prototype

public boolean isDirectory()

Source Link

Document

Returns true if this is a directory entry.

Usage

From source file:MainClass.java

public static void main(String[] args) throws IOException {

    JarFile jf = new JarFile(args[0]);
    Enumeration e = jf.entries();
    while (e.hasMoreElements()) {
        JarEntry je = (JarEntry) e.nextElement();
        String name = je.getName();

        long crc = je.getCrc();
        System.out.println("Its CRC is " + crc);
        String comment = je.getComment();
        if (comment != null && !comment.equals("")) {
            System.out.println(comment);
        }//w w w. j a v a 2s .c  o  m
        if (je.isDirectory()) {
            System.out.println(name + " is a directory");
        }

    }
}

From source file:Main.java

public static void main(String[] args) throws IOException {
    JarFile jf = new JarFile("a.jar");
    Enumeration e = jf.entries();
    while (e.hasMoreElements()) {
        JarEntry je = (JarEntry) e.nextElement();
        System.out.println(je.getName());
        long uncompressedSize = je.getSize();
        long compressedSize = je.getCompressedSize();
        long crc = je.getCrc();
        int method = je.getMethod();
        String comment = je.getComment();
        System.out.println(new Date(je.getTime()));
        System.out.println("from  " + uncompressedSize + " bytes to " + compressedSize);
        if (method == ZipEntry.STORED) {
            System.out.println("ZipEntry.STORED");
        } else if (method == ZipEntry.DEFLATED) {
            System.out.println(ZipEntry.DEFLATED);
        }/*from www.j a  v a  2  s .  c o  m*/
        System.out.println("Its CRC is " + crc);
        System.out.println(comment);
        System.out.println(je.isDirectory());

        Attributes a = je.getAttributes();
        if (a != null) {
            Object[] nameValuePairs = a.entrySet().toArray();
            for (int j = 0; j < nameValuePairs.length; j++) {
                System.out.println(nameValuePairs[j]);
            }
        }
        System.out.println();
    }
}

From source file:com.zb.app.common.file.FileUtils.java

public static void unJar(File jarFile, File toDir) throws IOException {
    JarFile jar = new JarFile(jarFile);
    try {/* w w w.j av  a2s  .c om*/
        Enumeration<JarEntry> entries = jar.entries();
        while (entries.hasMoreElements()) {
            JarEntry entry = (JarEntry) entries.nextElement();
            if (!entry.isDirectory()) {
                InputStream in = jar.getInputStream(entry);
                try {
                    File file = new File(toDir, entry.getName());
                    if (!file.getParentFile().mkdirs()) {
                        if (!file.getParentFile().isDirectory()) {
                            throw new IOException("Mkdirs failed to create " + file.getParentFile().toString());
                        }
                    }
                    OutputStream out = new FileOutputStream(file);
                    try {
                        byte[] buffer = new byte[8192];
                        int i;
                        while ((i = in.read(buffer)) != -1) {
                            out.write(buffer, 0, i);
                        }
                    } finally {
                        out.close();
                    }
                } finally {
                    in.close();
                }
            }
        }
    } finally {
        jar.close();
    }
}

From source file:JarUtils.java

/**
 * Add jar contents to the deployment archive under the given prefix
 *//* ww  w .ja  va 2s. co  m*/
public static String[] addJar(JarOutputStream outputStream, String prefix, File jar) throws IOException {

    ArrayList tmp = new ArrayList();
    FileInputStream fis = new FileInputStream(jar);
    JarInputStream jis = new JarInputStream(fis);
    JarEntry entry = jis.getNextJarEntry();
    while (entry != null) {
        if (entry.isDirectory() == false) {
            String entryName = prefix + entry.getName();
            tmp.add(entryName);
            addJarEntry(outputStream, entryName, jis);
        }
        entry = jis.getNextJarEntry();
    }
    jis.close();
    String[] names = new String[tmp.size()];
    tmp.toArray(names);
    return names;
}

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

private static void copyFile(JarFile jarFile, File temporaryFolder, JarEntry je, final String fileInJar)
        throws IOException, FileNotFoundException {
    if (!je.isDirectory()) {
        File tempFile = new File(temporaryFolder, fileInJar);
        tempFile.getParentFile().mkdirs();
        tempFile.deleteOnExit();/*from w w w  .  j  av a 2s  .  com*/
        IOUtils.copy(jarFile.getInputStream(je), new FileOutputStream(tempFile));
    }
}

From source file:org.raspinloop.fmi.VMRunnerUtils.java

private static boolean containsClass(JarFile jarFile, String agentRunnerClassName) {

    Enumeration<JarEntry> e = jarFile.entries();
    while (e.hasMoreElements()) {
        JarEntry je = e.nextElement();
        if (je.isDirectory() || !je.getName().endsWith(".class")) {
            continue;
        }//from w ww .j  a  v  a 2  s .c o m
        // -6 because of .class
        String className = je.getName().substring(0, je.getName().length() - 6);
        className = className.replace('/', '.');
        if (className.equals(agentRunnerClassName))
            return true;
    }
    return false;
}

From source file:com.apifest.oauth20.LifecycleEventHandlers.java

@SuppressWarnings("unchecked")
public static void loadLifecycleHandlers(URLClassLoader classLoader, String customJar) {
    try {// w ww  .  j a  v  a2  s. c o m
        if (classLoader != null) {
            JarFile jarFile = new JarFile(customJar);
            Enumeration<JarEntry> entries = jarFile.entries();
            while (entries.hasMoreElements()) {
                JarEntry entry = entries.nextElement();
                if (entry.isDirectory() || !entry.getName().endsWith(".class")) {
                    continue;
                }
                // remove .class
                String className = entry.getName().substring(0, entry.getName().length() - 6);
                className = className.replace('/', '.');
                try {
                    // REVISIT: check for better solution
                    if (className.startsWith("org.jboss.netty") || className.startsWith("org.apache.log4j")
                            || className.startsWith("org.apache.commons")) {
                        continue;
                    }
                    Class<?> clazz = classLoader.loadClass(className);
                    if (clazz.isAnnotationPresent(OnRequest.class)
                            && LifecycleHandler.class.isAssignableFrom(clazz)) {
                        requestEventHandlers.add((Class<LifecycleHandler>) clazz);
                        log.debug("preIssueTokenHandler added {}", className);
                    }
                    if (clazz.isAnnotationPresent(OnResponse.class)
                            && LifecycleHandler.class.isAssignableFrom(clazz)) {
                        responseEventHandlers.add((Class<LifecycleHandler>) clazz);
                        log.debug("postIssueTokenHandler added {}", className);
                    }
                    if (clazz.isAnnotationPresent(OnException.class)
                            && ExceptionEventHandler.class.isAssignableFrom(clazz)) {
                        exceptionHandlers.add((Class<ExceptionEventHandler>) clazz);
                        log.debug("exceptionHandlers added {}", className);
                    }
                } catch (ClassNotFoundException e1) {
                    // continue
                }
            }
        }
    } catch (MalformedURLException e) {
        log.error("cannot load lifecycle handlers", e);
    } catch (IOException e) {
        log.error("cannot load lifecycle handlers", e);
    } catch (IllegalArgumentException e) {
        log.error(e.getMessage());
    }
}

From source file:org.apache.hadoop.hbase.util.RunTrigger.java

public static void unJar(File jarFile, File toDir) throws IOException {
    JarFile jar = new JarFile(jarFile);
    try {//from  w  w  w  .j  a va2  s  .co  m
        Enumeration entries = jar.entries();
        while (entries.hasMoreElements()) {
            JarEntry entry = (JarEntry) entries.nextElement();
            if (!entry.isDirectory()) {
                InputStream in = jar.getInputStream(entry);
                try {
                    File file = new File(toDir, entry.getName());
                    if (!file.getParentFile().mkdirs()) {
                        if (!file.getParentFile().isDirectory()) {
                            throw new IOException("Mkdirs failed to create " + file.getParentFile().toString());
                        }
                    }
                    OutputStream out = new FileOutputStream(file);
                    try {
                        byte[] buffer = new byte[8192];
                        int i;
                        while ((i = in.read(buffer)) != -1) {
                            out.write(buffer, 0, i);
                        }
                    } finally {
                        out.close();
                    }
                } finally {
                    in.close();
                }
            }
        }
    } finally {
        jar.close();
    }
}

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

/**
 * ???//from w  w  w  . ja  v a  2  s.  c o m
 * 
 * @param jarFile JarFile
 * @param handler ?
 * @throws IOException ????
 * @throws TraversalHandlerException ??????? 
 * @throws IllegalArgumentException ?{@code null}???
 */
public static void forEach(JarFile jarFile, ResourceHandler handler)
        throws IOException, TraversalHandlerException {
    Validate.notNull(jarFile);
    Validate.notNull(handler);
    Enumeration<JarEntry> enumeration = jarFile.entries();
    while (enumeration.hasMoreElements()) {
        JarEntry entry = enumeration.nextElement();
        if (!entry.isDirectory()) {
            String entryName = entry.getName().replace('\\', '/');
            InputStream is = jarFile.getInputStream(entry);
            try {
                handler.processResource(entryName, is);
            } finally {
                IOUtils.closeQuietly(is);
            }
        }
    }
}

From source file:org.apache.torque.generator.configuration.JarConfigurationProvider.java

/**
 * Extracts the outlet configuration files from a jar file.
 * @param jarFile the jar file to process, not null.
 * @param outletConfigurationDirectory the name of the directory
 *        which contains the outlet configuration files. Cannot be
 *        a composite path like parent/child.
 * @return a set with the names of all outlet configuration files
 *         contained in the jar file./*  w ww  . j  ava2 s  .  c  o  m*/
 * @throws NullPointerException if jarFile
 *         or outletConfigurationDirectory is null
 */
static Collection<String> getOutletConfigurationNames(JarFile jarFile, String outletConfigurationDirectory) {
    if (log.isDebugEnabled()) {
        log.debug("Analyzing jar file " + jarFile.getName() + " seeking Directory "
                + outletConfigurationDirectory);
    }

    List<String> result = new ArrayList<String>();

    Enumeration<JarEntry> entries = jarFile.entries();
    while (entries.hasMoreElements()) {
        JarEntry jarEntry = entries.nextElement();
        if (jarEntry.isDirectory()) {
            continue;
        }
        String rawName = jarEntry.getName();
        if (!rawName.startsWith(outletConfigurationDirectory)) {
            continue;
        }
        String name = rawName.substring(rawName.lastIndexOf('/') + 1);

        int expectedRawNameLength = outletConfigurationDirectory.length() + name.length() + 1;
        if (rawName.length() != expectedRawNameLength) {
            // file is in a subdirectory of outletConfigurationSubdir,
            // we only consider files directly in
            // outletConfigurationSubdir
            continue;
        }
        result.add(name);
    }
    if (log.isDebugEnabled()) {
        log.debug("Found the following outlet configuration files " + result);
    }
    return result;
}