Example usage for java.util.jar JarOutputStream JarOutputStream

Introduction

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

Prototype

public JarOutputStream(OutputStream out) throws IOException 

Source Link

Document

Creates a new JarOutputStream with no manifest.

Usage

From source file:JarUtil.java

/**
 * Writes all given files to the specified jar-file.
 * // ww w .  j a v  a 2 s  .c  o  m
 * @param files
 *            all files that should be added to the JAR file
 * @param sourceDir
 *            The parent directory containing the given files.
 * @param target
 *            The jar file which should be created
 * @param compress
 *            True when the jar file should be compressed
 * @throws FileNotFoundException
 *             when a file could not be found
 * @throws IOException
 *             when a file could not be read or the jar file could not be
 *             written to.
 */
public static void jar(File sourceDir, OutputStream target, boolean compress) throws IOException {
    File[] files = sourceDir.listFiles();
    // creates target-jar-file:
    JarOutputStream out = new JarOutputStream(target);
    if (compress) {
        out.setLevel(ZipOutputStream.DEFLATED);
    } else {
        out.setLevel(ZipOutputStream.STORED);
    }
    // create a CRC32 object:
    CRC32 crc = new CRC32();
    byte[] buffer = new byte[1024 * 1024];
    // add all files:
    int sourceDirLength = sourceDir.getAbsolutePath().length() + 1;
    for (File file : files) {
        addFile(file, out, crc, sourceDirLength, buffer);
    }
    out.close();
}

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From source file:com.speed.ob.api.ClassStore.java

public void init(JarInputStream jarIn, File output, File in) throws IOException {
    ZipEntry entry;/*from w  ww.  j a va 2 s  .  c  om*/
    JarOutputStream out = new JarOutputStream(new FileOutputStream(new File(output, in.getName())));
    while ((entry = jarIn.getNextEntry()) != null) {
        byte[] data = IOUtils.toByteArray(jarIn);
        if (entry.getName().endsWith(".class")) {
            ClassReader reader = new ClassReader(data);
            ClassNode cn = new ClassNode();
            reader.accept(cn, ClassReader.EXPAND_FRAMES);
            store.put(cn.name, cn);
        } else if (!entry.isDirectory()) {
            Logger.getLogger(getClass().getName()).finer("Storing " + entry.getName() + " in output file");
            JarEntry je = new JarEntry(entry.getName());
            out.putNextEntry(je);
            out.write(data);
            out.closeEntry();
        }
    }
    out.close();
}

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From source file:de.uni_hildesheim.sse.ant.versionReplacement.PluginVersionReplacer.java

/**
 * Updates the version numbers of a plugin.
 * @param tmpFolder A temporary folder where files can be created and deleted.
 * Will be used for unpacking the plugin.
 * @param plugin The location of a plugin (jar file) to transform.
 * @param version The new version number of the plugin.
 * @param destinationFolder The destination folder where the transformed plugin shall be saved to.
 * @throws IOException /*from  w ww.j av  a2  s.  c  o m*/
 */
static void updatePlugins(File tmpFolder, File plugin, String version, File destinationFolder)
        throws IOException {

    unZipIt(plugin, tmpFolder);
    GenericVersionReplacer replacer = new GenericVersionReplacer();
    replacer.setVersion(version);
    replacer.setPath(tmpFolder.getAbsolutePath());
    replacer.execute();

    File destFile = new File(destinationFolder, plugin.getName());
    String basePath = FilenameUtils.normalize(tmpFolder.getAbsolutePath());
    if (!basePath.endsWith(File.separator)) {
        basePath += File.separator;
    }
    try (ZipOutputStream out = new JarOutputStream(new FileOutputStream(destFile))) {
        addDir(basePath, tmpFolder, out);
    }
}

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From source file:org.commonjava.indy.ftest.core.content.StoreAndVerifyJarViaDirectDownloadTest.java

@Test
public void storeFileThenDownloadAndVerifyContentViaDirectDownload() throws Exception {
    final String content = "This is a test: " + System.nanoTime();
    String entryName = "org/something/foo.class";

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    JarOutputStream jarOut = new JarOutputStream(out);
    jarOut.putNextEntry(new JarEntry(entryName));
    jarOut.write(content.getBytes());/*from   w  ww.j  a v a 2 s . com*/
    jarOut.close();

    // Used to visually inspect the jars moving up...
    //        String userDir = System.getProperty( "user.home" );
    //        File dir = new File( userDir, "temp" );
    //        dir.mkdirs();
    //
    //        FileUtils.writeByteArrayToFile( new File( dir, name.getMethodName() + "-in.jar" ), out.toByteArray() );

    final InputStream stream = new ByteArrayInputStream(out.toByteArray());

    final String path = "/path/to/" + getClass().getSimpleName() + "-" + name.getMethodName() + ".jar";

    assertThat(client.content().exists(hosted, STORE, path), equalTo(false));

    client.content().store(hosted, STORE, path, stream);

    assertThat(client.content().exists(hosted, STORE, path), equalTo(true));

    final URL url = new URL(client.content().contentUrl(hosted, STORE, path));

    final InputStream is = url.openStream();

    byte[] result = IOUtils.toByteArray(is);
    is.close();

    assertThat(result, equalTo(out.toByteArray()));

    // ...and down
    //        FileUtils.writeByteArrayToFile( new File( dir, name.getMethodName() + "-out.jar" ), result );

    JarInputStream jarIn = new JarInputStream(new ByteArrayInputStream(result));
    JarEntry jarEntry = jarIn.getNextJarEntry();

    assertThat(jarEntry.getName(), equalTo(entryName));
    String contentResult = IOUtils.toString(jarIn);

    assertThat(contentResult, equalTo(content));
}

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From source file:com.izforge.izpack.compiler.container.provider.JarOutputStreamProvider.java

public JarOutputStream provide(CompilerData compilerData) {
    File file = new File(compilerData.getOutput());
    JarOutputStream jarOutputStream = null;
    FileOutputStream fileOutputStream = null;
    FileUtils.deleteQuietly(file);/* w  ww  .j  av  a 2  s. c o m*/
    try {
        if (compilerData.isMkdirs()) {
            FileUtils.forceMkdirParent(file);
        }
        fileOutputStream = new FileOutputStream(file);
        jarOutputStream = new JarOutputStream(fileOutputStream);
        int level = compilerData.getComprLevel();
        if (level >= 0 && level < 10) {
            jarOutputStream.setLevel(level);
        } else {
            jarOutputStream.setLevel(Deflater.BEST_COMPRESSION);
        }
    } catch (IOException e) {
        IOUtils.closeQuietly(fileOutputStream);
    }

    return jarOutputStream;
}

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From source file:org.apache.reef.util.JARFileMaker.java

public JARFileMaker(final File outputFile, final Manifest manifest) throws IOException {
    LOG.log(Level.FINER, "Output jar: {0}", outputFile);
    final FileOutputStream outputStream = new FileOutputStream(outputFile);
    this.jarOutputStream = manifest == null ? new JarOutputStream(outputStream)
            : new JarOutputStream(outputStream, manifest);
}

---

From source file:org.apache.blur.spark.util.JavaSparkUtil.java

private static String createJar(String s) throws IOException {
    File sourceFile = new File(s);
    if (sourceFile.isDirectory()) {
        File file = File.createTempFile(TMP_SPARK_JOB, JAR);
        OutputStream outputStream = new BufferedOutputStream(new FileOutputStream(file));
        JarOutputStream jarOut = new JarOutputStream(outputStream);
        for (File f : sourceFile.listFiles()) {
            pack(sourceFile, f, jarOut);
        }//from  w  w w . j a va2s .c o  m
        jarOut.close();
        file.deleteOnExit();
        return file.getAbsolutePath();
    }
    throw new RuntimeException("File [" + s + "] is not a directory.");
}

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From source file:net.adamcin.oakpal.testing.TestPackageUtil.java

public static File prepareTestPackageFromFolder(final String filename, final File srcFolder)
        throws IOException {
    if (srcFolder == null || !srcFolder.isDirectory()) {
        throw new IOException("expected directory in srcFolder parameter for test package filename "
                + String.valueOf(filename));
    }/*from ww  w  .  ja  v  a2  s. co m*/
    File file = new File(testPackagesRoot, filename);
    if (file.exists()) {
        file.delete();
    }

    try (JarOutputStream jos = new JarOutputStream(new FileOutputStream(file))) {
        add(srcFolder, srcFolder, jos);
    }

    return file;
}

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From source file:com.jaxio.celerio.output.ZipOutputResult.java

@Override
public void open() throws IOException {
    if (isOpen) {
        return;/*from w w w . j a va2s  .  c o m*/
    }
    bufferedOutputStream = new BufferedOutputStream(new FileOutputStream(new File(filename)));
    zipOutputStream = new JarOutputStream(bufferedOutputStream);
    isOpen = true;
}

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From source file:JarHelper.java

/**
 * Jars a given directory or single file into a JarOutputStream.
 *//*from w ww.  j  ava  2 s.com*/
public void jarDir(File dirOrFile2Jar, File destJar) throws IOException {

    if (dirOrFile2Jar == null || destJar == null)
        throw new IllegalArgumentException();

    mDestJarName = destJar.getCanonicalPath();
    FileOutputStream fout = new FileOutputStream(destJar);
    JarOutputStream jout = new JarOutputStream(fout);
    // jout.setLevel(0);
    try {
        jarDir(dirOrFile2Jar, jout, null);
    } catch (IOException ioe) {
        throw ioe;
    } finally {
        jout.close();
        fout.close();
    }
}

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