Example usage for java.util.jar JarOutputStream write

Introduction

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

Prototype

public synchronized void write(byte[] b, int off, int len) throws IOException 

Source Link

Document

Writes an array of bytes to the current ZIP entry data.

Usage

From source file:org.exnebula.bootstrap.TestHelper.java

public static void makeMiniJar(File targetJar, File baseDirectory, String classFile) throws IOException {
    JarOutputStream jar = new JarOutputStream(new FileOutputStream(targetJar));
    jar.putNextEntry(new ZipEntry(classFile));
    byte[] buffer = new byte[4 * 1024];
    InputStream in = new FileInputStream(new File(baseDirectory, classFile));
    int count;/*from  w ww .ja v  a  2  s  .  c o  m*/
    while ((count = in.read(buffer)) > 0) {
        jar.write(buffer, 0, count);
    }
    jar.close();
}

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From source file:org.cloudata.core.parallel.hadoop.CloudataMapReduceUtil.java

private static Path makeJarToHDFS(FileSystem fs, Path parentPath, File file) throws IOException {
    Path path = new Path(parentPath, file.getName() + ".jar");

    JarOutputStream out = new JarOutputStream(fs.create(path));
    out.putNextEntry(new JarEntry(file.getName()));

    BufferedInputStream in = new BufferedInputStream(new FileInputStream(file));

    byte[] buf = new byte[1024];

    try {// ww w  .jav a2 s .  co  m
        int readBytes = 0;
        while ((readBytes = in.read(buf)) > 0) {
            out.write(buf, 0, readBytes);
        }
    } finally {
        if (out != null) {
            out.close();
        }

        if (in != null) {
            in.close();
        }
    }

    return path;
}

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From source file:JarUtil.java

/**
 * @param entry//from w w  w  .jav  a2  s  .c o  m
 * @param in
 * @param out
 * @param crc
 * @param buffer
 * @throws IOException
 */
private static void add(JarEntry entry, InputStream in, JarOutputStream out, CRC32 crc, byte[] buffer)
        throws IOException {
    out.putNextEntry(entry);
    int read;
    long size = 0;
    while ((read = in.read(buffer)) != -1) {
        crc.update(buffer, 0, read);
        out.write(buffer, 0, read);
        size += read;
    }
    entry.setCrc(crc.getValue());
    entry.setSize(size);
    in.close();
    out.closeEntry();
    crc.reset();
}

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From source file:org.apache.pig.impl.util.JarManager.java

/**
* Adds a stream to a Jar file./*from   w w  w . ja  v a2 s  .  c om*/
*
* @param os
*            the OutputStream of the Jar file to which the stream will be added.
* @param name
*            the name of the stream.
* @param is
*            the stream to add.
* @param contents
*            the current contents of the Jar file. (We use this to avoid adding two streams
*            with the same name.
* @param timestamp
*            timestamp of the entry
* @throws IOException
*/
private static void addStream(JarOutputStream os, String name, InputStream is, Map<String, String> contents,
        long timestamp) throws IOException {
    if (contents.get(name) != null) {
        return;
    }
    contents.put(name, "");
    JarEntry entry = new JarEntry(name);
    entry.setTime(timestamp);
    os.putNextEntry(entry);
    byte buffer[] = new byte[4096];
    int rc;
    while ((rc = is.read(buffer)) > 0) {
        os.write(buffer, 0, rc);
    }
}

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From source file:net.ftb.util.FileUtils.java

/**
 * deletes the META-INF/*from w  ww.ja  va  2 s .co  m*/
 */
public static void killMetaInf() {
    File inputFile = new File(Settings.getSettings().getInstallPath() + "/" + ModPack.getSelectedPack().getDir()
            + "/minecraft/bin", "minecraft.jar");
    File outputTmpFile = new File(Settings.getSettings().getInstallPath() + "/"
            + ModPack.getSelectedPack().getDir() + "/minecraft/bin", "minecraft.jar.tmp");
    try {
        JarInputStream input = new JarInputStream(new FileInputStream(inputFile));
        JarOutputStream output = new JarOutputStream(new FileOutputStream(outputTmpFile));
        JarEntry entry;

        while ((entry = input.getNextJarEntry()) != null) {
            if (entry.getName().contains("META-INF")) {
                continue;
            }
            output.putNextEntry(entry);
            byte buffer[] = new byte[1024];
            int amo;
            while ((amo = input.read(buffer, 0, 1024)) != -1) {
                output.write(buffer, 0, amo);
            }
            output.closeEntry();
        }

        input.close();
        output.close();

        if (!inputFile.delete()) {
            Logger.logError("Failed to delete Minecraft.jar.");
            return;
        }
        outputTmpFile.renameTo(inputFile);
    } catch (FileNotFoundException e) {
        Logger.logError("Error while killing META-INF", e);
    } catch (IOException e) {
        Logger.logError("Error while killing META-INF", e);
    }
}

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From source file:org.eclipse.gemini.blueprint.test.internal.util.jar.JarUtils.java

/**
 * /*from  w w  w. j  a va  2s.c o  m*/
 * Writes a resource content to a jar.
 * 
 * @param res
 * @param entryName
 * @param jarStream
 * @param bufferSize
 * @return the number of bytes written to the jar file
 * @throws Exception
 */
public static int writeToJar(Resource res, String entryName, JarOutputStream jarStream, int bufferSize)
        throws IOException {
    byte[] readWriteJarBuffer = new byte[bufferSize];

    // remove leading / if present.
    if (entryName.charAt(0) == '/')
        entryName = entryName.substring(1);

    jarStream.putNextEntry(new ZipEntry(entryName));
    InputStream entryStream = res.getInputStream();

    int numberOfBytes;

    // read data into the buffer which is later on written to the jar.
    while ((numberOfBytes = entryStream.read(readWriteJarBuffer)) != -1) {
        jarStream.write(readWriteJarBuffer, 0, numberOfBytes);
    }
    return numberOfBytes;
}

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

/**
 * Add a list of jar files to another jar file under a specific folder.
 * It is used to generated coprocessor jar files which can be loaded by
 * the coprocessor class loader.  It is for testing usage only so we
 * don't be so careful about stream closing in case any exception.
 *
 * @param targetJar the target jar file/*from  w w w.  j  av  a2s.  co m*/
 * @param libPrefix the folder where to put inner jar files
 * @param srcJars the source inner jar files to be added
 * @throws Exception if anything doesn't work as expected
 */
public static void addJarFilesToJar(File targetJar, String libPrefix, File... srcJars) throws Exception {
    FileOutputStream stream = new FileOutputStream(targetJar);
    JarOutputStream out = new JarOutputStream(stream, new Manifest());
    byte buffer[] = new byte[BUFFER_SIZE];

    for (File jarFile : srcJars) {
        // Add archive entry
        JarEntry jarAdd = new JarEntry(libPrefix + jarFile.getName());
        jarAdd.setTime(jarFile.lastModified());
        out.putNextEntry(jarAdd);

        // Write file to archive
        FileInputStream in = new FileInputStream(jarFile);
        while (true) {
            int nRead = in.read(buffer, 0, buffer.length);
            if (nRead <= 0)
                break;
            out.write(buffer, 0, nRead);
        }
        in.close();
    }
    out.close();
    stream.close();
    LOG.info("Adding jar file to outer jar file completed");
}

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From source file:boa.compiler.BoaCompiler.java

private static void putJarEntry(final JarOutputStream jar, final File f, final String path) throws IOException {
    jar.putNextEntry(new ZipEntry(path));

    final InputStream in = new BufferedInputStream(new FileInputStream(f));
    try {//from   ww w.  j  a v a2  s  .  com
        final byte[] b = new byte[4096];
        int len;
        while ((len = in.read(b)) > 0)
            jar.write(b, 0, len);
    } finally {
        in.close();
    }

    jar.closeEntry();
}

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From source file:gov.nih.nci.restgen.util.GeneratorUtil.java

public static void createJarArchive(File jarFile, File[] listFiles) throws IOException {
    byte b[] = new byte[10240];
    FileOutputStream fout = new FileOutputStream(jarFile);
    JarOutputStream out = new JarOutputStream(fout, new Manifest());
    for (int i = 0; i < listFiles.length; i++) {
        if (listFiles[i] == null || !listFiles[i].exists() || listFiles[i].isDirectory()) {
            System.out.println();
        }/*from  w  ww .  jav  a 2  s  .c  o  m*/
        JarEntry addFiles = new JarEntry(listFiles[i].getName());
        addFiles.setTime(listFiles[i].lastModified());
        out.putNextEntry(addFiles);

        FileInputStream fin = new FileInputStream(listFiles[i]);
        while (true) {
            int len = fin.read(b, 0, b.length);
            if (len <= 0)
                break;
            out.write(b, 0, len);
        }
        fin.close();
    }
    out.close();
    fout.close();
}

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

/**
 * Jar a list of files into a jar archive.
 *
 * @param archiveFile the target jar archive
 * @param tobejared a list of files to be jared
 *///ww  w.ja v a  2  s .  c om
private static boolean createJarArchive(File archiveFile, File[] tobeJared) {
    try {
        byte buffer[] = new byte[BUFFER_SIZE];
        // Open archive file
        FileOutputStream stream = new FileOutputStream(archiveFile);
        JarOutputStream out = new JarOutputStream(stream, new Manifest());

        for (int i = 0; i < tobeJared.length; i++) {
            if (tobeJared[i] == null || !tobeJared[i].exists() || tobeJared[i].isDirectory()) {
                continue;
            }

            // Add archive entry
            JarEntry jarAdd = new JarEntry(tobeJared[i].getName());
            jarAdd.setTime(tobeJared[i].lastModified());
            out.putNextEntry(jarAdd);

            // Write file to archive
            FileInputStream in = new FileInputStream(tobeJared[i]);
            while (true) {
                int nRead = in.read(buffer, 0, buffer.length);
                if (nRead <= 0)
                    break;
                out.write(buffer, 0, nRead);
            }
            in.close();
        }
        out.close();
        stream.close();
        LOG.info("Adding classes to jar file completed");
        return true;
    } catch (Exception ex) {
        LOG.error("Error: " + ex.getMessage());
        return false;
    }
}

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