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.asual.summer.onejar.OneJarServer.java

private static String getCurrentWarFile() throws IOException {
    JarFile jarFile = new JarFile(System.getProperty("java.class.path"));
    Enumeration<JarEntry> entries = jarFile.entries();
    while (entries.hasMoreElements()) {
        String name = entries.nextElement().getName();
        if (name.endsWith(".war")) {
            File war = new File(new File(System.getProperty("java.io.tmpdir")),
                    "summer-onejar-" + System.currentTimeMillis() + ".war");
            InputStream input = jarFile.getInputStream(new ZipEntry(name));
            FileOutputStream output = new FileOutputStream(war);
            IOUtils.copy(input, output);
            IOUtils.closeQuietly(input);
            IOUtils.closeQuietly(output);
            war.deleteOnExit();//from  ww  w  . j a v a  2  s  .  c o m
            return war.getAbsolutePath();
        }
    }
    return null;
}

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From source file:org.lilyproject.lilyservertestfw.ConfUtil.java

public static void copyFromJar(File confDir, String confResourcePath, JarURLConnection jarConnection)
        throws IOException {
    JarFile jarFile = jarConnection.getJarFile();
    Enumeration<JarEntry> entries = jarFile.entries();
    while (entries.hasMoreElements()) {
        JarEntry entry = entries.nextElement();
        if (entry.getName().startsWith(confResourcePath)) {
            String fileName = StringUtils.removeStart(entry.getName(), confResourcePath);
            if (entry.isDirectory()) {
                File subDir = new File(confDir, fileName);
                subDir.mkdirs();/*from ww w  . j  a v a 2 s.  com*/
            } else {
                InputStream entryInputStream = null;
                try {
                    entryInputStream = jarFile.getInputStream(entry);
                    FileUtils.copyInputStreamToFile(entryInputStream, new File(confDir, fileName));
                } finally {
                    if (entryInputStream != null) {
                        entryInputStream.close();
                    }
                }
            }
        }
    }
}

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From source file:Main.java

/**
 * Iterates over APK (jar entries) to populate
 * /*from   ww  w .  j a v a  2  s.  c  o  m*/
 * @param projectFile
 * @return
 * @throws IOException
 * @throws CertificateException
 */
public static List<Certificate> populateCertificate(File projectFile) throws IOException, CertificateException {
    List<Certificate> certList = new ArrayList<Certificate>();
    JarFile jar = new JarFile(projectFile);
    Enumeration<JarEntry> jarEntries = jar.entries();
    while (jarEntries.hasMoreElements()) {
        JarEntry entry = jarEntries.nextElement();
        if (entry.getName().toLowerCase().contains(DSA) || entry.getName().toLowerCase().contains(RSA)) {
            certList.addAll(extractCertificate(jar, entry));
        }
    }
    return certList;
}

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From source file:com.athomas.androidkickstartr.util.ResourcesUtils.java

private static void copyResourcesToFromJar(File target, URL url) throws IOException {
    JarURLConnection connection = (JarURLConnection) url.openConnection();
    JarFile jarFile = connection.getJarFile();

    Enumeration<JarEntry> entries = jarFile.entries();

    while (entries.hasMoreElements()) {
        JarEntry jarEntry = entries.nextElement();
        InputStream is = jarFile.getInputStream(jarEntry);
        String entryPath = jarEntry.getName();

        File file = null;/*w ww .  j  a va  2 s  .  c o m*/
        String dirs = "";
        if (entryPath.contains("/")) {
            int lastIndexOf = entryPath.lastIndexOf("/");
            dirs = (String) entryPath.subSequence(0, lastIndexOf + 1);
        }

        File parent = new File(target, dirs);
        parent.mkdirs();

        if (!jarEntry.isDirectory()) {
            String[] splitedPath = entryPath.split("/");
            String fileName = splitedPath[splitedPath.length - 1];
            file = new File(parent, fileName);
            FileUtils.copyInputStreamToFile(is, file);
        }
    }
}

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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 . java 2s.  c o m*/
        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:org.eclipse.wb.internal.swing.laf.LafUtils.java

/**
 * Opens given <code>jarFile</code>, loads every class inside own {@link ClassLoader} and checks
 * loaded class for to be instance of {@link LookAndFeel}. Returns the array of {@link LafInfo}
 * containing all found {@link LookAndFeel} classes.
 * /* ww  w.  j a  va2 s . c  o  m*/
 * @param jarFileName
 *          the absolute OS path pointing to source JAR file.
 * @param monitor
 *          the progress monitor which checked for interrupt request.
 * @return the array of {@link UserDefinedLafInfo} containing all found {@link LookAndFeel}
 *         classes.
 */
public static UserDefinedLafInfo[] scanJarForLookAndFeels(String jarFileName, IProgressMonitor monitor)
        throws Exception {
    List<UserDefinedLafInfo> lafList = Lists.newArrayList();
    File jarFile = new File(jarFileName);
    URLClassLoader ucl = new URLClassLoader(new URL[] { jarFile.toURI().toURL() });
    JarFile jar = new JarFile(jarFile);
    Enumeration<?> entries = jar.entries();
    while (entries.hasMoreElements()) {
        JarEntry entry = (JarEntry) entries.nextElement();
        String entryName = entry.getName();
        if (entry.isDirectory() || !entryName.endsWith(".class") || entryName.indexOf('$') >= 0) {
            continue;
        }
        String className = entryName.replace('/', '.').replace('\\', '.');
        className = className.substring(0, className.lastIndexOf('.'));
        Class<?> clazz = null;
        try {
            clazz = ucl.loadClass(className);
        } catch (Throwable e) {
            continue;
        }
        // check loaded class to be a non-abstract subclass of javax.swing.LookAndFeel class
        if (LookAndFeel.class.isAssignableFrom(clazz) && !Modifier.isAbstract(clazz.getModifiers())) {
            // use the class name as name of LAF
            String shortClassName = CodeUtils.getShortClass(className);
            // strip trailing "LookAndFeel"
            String lafName = StringUtils.chomp(shortClassName, "LookAndFeel");
            lafList.add(new UserDefinedLafInfo(StringUtils.isEmpty(lafName) ? shortClassName : lafName,
                    className, jarFileName));
        }
        // check for Cancel button pressed
        if (monitor.isCanceled()) {
            return lafList.toArray(new UserDefinedLafInfo[lafList.size()]);
        }
        // update ui
        while (DesignerPlugin.getStandardDisplay().readAndDispatch()) {
        }
    }
    return lafList.toArray(new UserDefinedLafInfo[lafList.size()]);
}

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From source file:org.apache.stratos.cartridge.agent.statistics.publisher.PluginLoader.java

public static List<Class> loadPluginClassesFromJar(File jarPath, Class pluginInterface) {
    List<Class> listeners = new LinkedList<Class>();

    try {/*  w  w w  .  j av a 2 s.  co  m*/
        URLClassLoader loader = new URLClassLoader(new URL[] { jarPath.toURI().toURL() });
        JarFile jar = new JarFile(jarPath);
        Enumeration<? extends JarEntry> jarEnum = jar.entries();

        log.trace("Scanning jar file " + jarPath);

        while (jarEnum.hasMoreElements()) {
            ZipEntry zipEntry = jarEnum.nextElement();
            String fileName = zipEntry.getName();

            if (fileName.endsWith(".class")) {
                log.trace("Considering jar entry " + fileName);
                try {
                    String className = fileName.replace(".class", "").replace("/", ".");
                    Class cls = loader.loadClass(className);
                    log.trace("Loaded class " + className);

                    if (hasInterface(cls, pluginInterface)) {
                        log.trace("Class has " + pluginInterface.getName() + " interface; adding ");
                        listeners.add(cls);
                    }
                } catch (ClassNotFoundException e) {
                    log.error("Unable to load class from " + fileName + " in " + jarPath);
                }
            }
        }

    } catch (IOException e) {
        log.error("Unable to open JAR file " + jarPath, e);
    }

    return listeners;
}

---

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 ww w. j av a2s. c om
        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();
    }
}

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From source file:org.tangram.util.SetupUtils.java

private static Set<String> getResourceListing(URL pathUrl, String prefix, String suffix)
        throws URISyntaxException, IOException {
    Set<String> result = new HashSet<>();
    if ("file".equals(pathUrl.getProtocol())) {
        for (String name : new File(pathUrl.toURI()).list()) {
            if (name.endsWith(suffix)) {
                result.add(prefix + "/" + name);
            } // if
        } // for//from  www  .  ja v a 2  s.  com
    } // if

    if ("jar".equals(pathUrl.getProtocol())) {
        String jarPath = pathUrl.getPath().substring(5, pathUrl.getPath().indexOf("!")); // only the JAR file
        JarFile jar = new JarFile(URLDecoder.decode(jarPath, "UTF-8"));
        for (Enumeration<JarEntry> entries = jar.entries(); entries.hasMoreElements();) {
            String name = entries.nextElement().getName();
            if (name.startsWith(prefix) && name.endsWith(suffix)) {
                result.add(name);
            } // if
        } // for
        jar.close();
    } // if

    return result;
}

---

From source file:com.katsu.dwm.reflection.JarUtils.java

/**
 * Return a list of resources inside the jar file that their URL start with path
 * @param jar//from   ww w. ja  v  a2s . c om
 * @param path
 * @return 
 */
public static List<JarEntry> getJarContent(File jar, String path) {
    try {
        JarFile jf = new JarFile(jar);
        Enumeration<JarEntry> enu = jf.entries();
        List<JarEntry> result = new ArrayList<JarEntry>();
        while (enu.hasMoreElements()) {
            JarEntry je = enu.nextElement();
            if (je.getName().startsWith(path))
                result.add(je);
        }
        return result;
    } catch (Exception e) {
        logger.error(e);
    }
    return null;
}

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