Example usage for java.net JarURLConnection getJarFile

Introduction

In this page you can find the example usage for java.net JarURLConnection getJarFile.

Prototype

public abstract JarFile getJarFile() throws IOException;

Source Link

Document

Return the JAR file for this connection.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    URL url = new URL("jar:file:/c://my.jar!/");
    JarURLConnection conn = (JarURLConnection) url.openConnection();
    JarFile jarfile = conn.getJarFile();
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    URL url = new URL("jar:file:/c://my.jar!/");
    JarURLConnection conn = (JarURLConnection) url.openConnection();

    JarFile jarFile = conn.getJarFile();
    System.out.println(jarFile);//w  ww .ja  v  a2  s . c o  m
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    URL url = new URL("jar:file:/c://my.jar!/");
    JarURLConnection conn = (JarURLConnection) url.openConnection();

    conn = (JarURLConnection) url.openConnection();
    JarFile jarfile = conn.getJarFile();
}

From source file:org.zoneproject.extractor.plugin.langdetect.LangDetect.java

public static void init(String profileDirectory) throws LangDetectException, IOException {
    Enumeration<URL> en = Detector.class.getClassLoader().getResources(profileDirectory);
    List<String> profiles = new ArrayList<String>();
    if (en.hasMoreElements()) {
        URL url = en.nextElement();
        JarURLConnection urlcon = (JarURLConnection) url.openConnection();
        JarFile jar = urlcon.getJarFile();
        Enumeration<JarEntry> entries = jar.entries();
        while (entries.hasMoreElements()) {
            String entry = entries.nextElement().getName();
            if (entry.startsWith(profileDirectory)) {
                InputStream in = Detector.class.getClassLoader().getResourceAsStream(entry);
                profiles.add(IOUtils.toString(in));
            }//from w  ww. jav  a  2  s  .  c o m
        }
    }
    DetectorFactory.loadProfile(profiles);

}

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  w  w  w .j  a  v a 2 s.c  o m
            } else {
                InputStream entryInputStream = null;
                try {
                    entryInputStream = jarFile.getInputStream(entry);
                    FileUtils.copyInputStreamToFile(entryInputStream, new File(confDir, fileName));
                } finally {
                    if (entryInputStream != null) {
                        entryInputStream.close();
                    }
                }
            }
        }
    }
}

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;/*  ww  w  . ja v  a 2s . 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);
        }
    }
}

From source file:org.schemaspy.util.ResourceWriter.java

/**
 * Copies resources from the jar file of the current thread and extract it
 * to the destination path.//  w  w w .j  a  v  a2  s  . com
 *
 * @param jarConnection
 * @param destPath destination file or directory
 */
private static void copyJarResourceToPath(JarURLConnection jarConnection, File destPath, FileFilter filter) {
    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(destPath, filename);

                if (jarEntry.isDirectory()) {
                    FileUtils.forceMkdir(currentFile);
                } else {
                    if (filter == null || filter.accept(currentFile)) {
                        InputStream is = jarFile.getInputStream(jarEntry);
                        OutputStream out = FileUtils.openOutputStream(currentFile);
                        IOUtils.copy(is, out);
                        is.close();
                        out.close();
                    }
                }
            }
        }
    } catch (IOException e) {
        LOGGER.warn(e.getMessage(), e);
    }
}

From source file:com.topclouders.releaseplugin.helper.FileHelper.java

/**
 * This method will copy resources from the jar file of the current thread
 * and extract it to the destination folder.
 * //from   www .  ja v  a 2s  .co m
 * 
 * @param resourcePath
 * @param destination
 */
public static void copyResourceToDirectory(String resourcePath, File destination) {
    FileHelper.validateArguments(resourcePath, destination);

    try {
        URL resource = FileHelper.class.getClassLoader().getResource(resourcePath);
        JarURLConnection jarURLConnection = (JarURLConnection) resource.openConnection();
        JarFile jarFile = jarURLConnection.getJarFile();

        // Create a new file helper
        FileHelper fileHelper = new FileHelper(jarURLConnection, jarFile);
        fileHelper.copyResource(resourcePath, destination);
    } catch (IOException e) {
        throw new RuntimeException(
                String.format("Failed to copy classpath resource to destination directory %s",
                        destination.getAbsolutePath()),
                e);
    }

}

From source file:org.javaweb.utils.ClassUtils.java

/**
 * ?jarclass/*from  w  w  w. java  2  s. c  om*/
 *
 * @param url
 * @param classList
 * @throws IOException
 */
public static void getAllJarClass(URL url, Set<String> classList) throws IOException {
    if (url != null) {
        JarURLConnection juc = (JarURLConnection) url.openConnection();
        JarFile jf = juc.getJarFile();
        Enumeration<JarEntry> je = jf.entries();

        while (je.hasMoreElements()) {
            JarEntry jar = je.nextElement();

            if (jar.getName().endsWith(".class")) {
                String classPath = jar.getName().replaceAll("\\\\", "/").replaceAll("/+", ".");
                classList.add(classPath.substring(0, classPath.length() - ".class".length()));
            }
        }
    }
}

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   ww w  . j a va2 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);
    }
}