Example usage for java.util.jar JarFile JarFile

Introduction

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

Prototype

public JarFile(File file) throws IOException 

Source Link

Document

Creates a new JarFile to read from the specified File object.

Usage

From source file:org.ormma.controller.OrmmaAssetController.java

/**
 * Copy text file from jar into asset directory.
 * /*from  ww w.java2  s  .com*/
 * @param alias
 *            the alias to store it in
 * @param source
 *            the source
 * @return the path to the copied asset
 */
public String copyTextFromJarIntoAssetDir(String alias, String source) {
    InputStream in = null;
    try {
        URL url = OrmmaAssetController.class.getClassLoader().getResource(source);
        String file = url.getFile();
        if (file.startsWith("file:")) {
            file = file.substring(5);
        }
        int pos = file.indexOf("!");
        if (pos > 0)
            file = file.substring(0, pos);
        JarFile jf = new JarFile(file);
        JarEntry entry = jf.getJarEntry(source);
        in = jf.getInputStream(entry);
        String name = writeToDisk(in, alias, false);
        return name;
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (Exception e) {
                // TODO: handle exception
            }
            in = null;
        }
    }
    return null;
}

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From source file:com.enderville.enderinstaller.util.InstallScript.java

/**
 * Unpacks all the contents of the old minecraft.jar to the temp directory.
 *
 * @param tmpdir The temp directory to unpack to.
 * @param mcjar The location of the old minecraft.jar
 * @throws IOException/*from   ww  w  . j  a v a  2  s.c  o m*/
 */
public static void unpackMCJar(File tmpdir, File mcjar) throws IOException {
    byte[] dat = new byte[4 * 1024];
    JarFile jar = new JarFile(mcjar);
    Enumeration<JarEntry> entries = jar.entries();
    while (entries.hasMoreElements()) {
        JarEntry entry = entries.nextElement();
        String name = entry.getName();
        //This gets rid of META-INF if it exists.
        if (name.startsWith("META-INF")) {
            continue;
        }
        InputStream in = jar.getInputStream(entry);
        File dest = new File(FilenameUtils.concat(tmpdir.getPath(), name));
        if (entry.isDirectory()) {
            //I don't think this actually happens
            LOGGER.warn("Found a directory while iterating over jar.");
            dest.mkdirs();
        } else if (!dest.getParentFile().exists()) {
            if (!dest.getParentFile().mkdirs()) {
                throw new IOException("Couldn't create directory for " + name);
            }
        }
        FileOutputStream out = new FileOutputStream(dest);
        int len = -1;
        while ((len = in.read(dat)) > 0) {
            out.write(dat, 0, len);
        }
        out.flush();
        out.close();
        in.close();
    }
}

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From source file:net.erdfelt.android.sdkfido.local.JarListing.java

private final void loadJar(File jarfile) throws IOException {
    JarFile jar = null;/*from  w w w .  ja  va 2 s. co  m*/

    try {
        String name;
        jar = new JarFile(jarfile);
        Enumeration<JarEntry> entries = jar.entries();
        while (entries.hasMoreElements()) {
            JarEntry entry = entries.nextElement();
            name = entry.getName();
            add(name);

            if (!entry.isDirectory() && name.endsWith(".class")) {
                classlist.add(name);
            }
        }
    } finally {
        if (jar != null) {
            jar.close();
        }
    }
}

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From source file:org.apache.sqoop.connector.ConnectorManagerUtils.java

static boolean isConnectorJar(File file) {
    try {//from   ww w  .  ja v  a  2  s . c  o m
        @SuppressWarnings("resource")
        JarEntry entry = new JarFile(file).getJarEntry(ConfigurationConstants.FILENAME_CONNECTOR_PROPERTIES);
        return entry != null;
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

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From source file:org.commonjava.web.test.fixture.JarKnockouts.java

public static File rewriteJar(final File source, final File targetDir, final Set<JarKnockouts> jarKnockouts)
        throws IOException {
    final JarKnockouts allKnockouts = new JarKnockouts();
    for (final JarKnockouts jk : jarKnockouts) {
        allKnockouts.knockoutPaths(jk.getKnockedOutPaths());
    }/*  www.j a  v a2s. c o  m*/

    targetDir.mkdirs();
    final File target = new File(targetDir, source.getName());

    JarFile in = null;
    JarOutputStream out = null;
    try {
        in = new JarFile(source);

        final BufferedOutputStream fos = new BufferedOutputStream(new FileOutputStream(target));
        out = new JarOutputStream(fos, in.getManifest());

        final Enumeration<JarEntry> entries = in.entries();
        while (entries.hasMoreElements()) {
            final JarEntry entry = entries.nextElement();
            if (!allKnockouts.knockout(entry.getName())) {
                final InputStream stream = in.getInputStream(entry);
                out.putNextEntry(entry);
                copy(stream, out);
                out.closeEntry();
            }
        }
    } finally {
        closeQuietly(out);
        if (in != null) {
            try {
                in.close();
            } catch (final IOException e) {
            }
        }
    }

    return target;
}

---

From source file:se.crisp.codekvast.agent.daemon.appversion.ManifestAppVersionStrategy.java

@Override
public String resolveAppVersion(Collection<File> codeBases, String[] args) {
    String jarUri = args[1];//  w w w  .j  a  v  a  2  s .  co  m
    String manifestAttribute = args.length > 2 ? args[2] : DEFAULT_MANIFEST_ATTRIBUTE;
    for (File codeBaseFile : codeBases) {
        try (JarFile jarFile = new JarFile(getJarFile(codeBaseFile, jarUri))) {
            Attributes attributes = jarFile.getManifest().getMainAttributes();
            String resolvedVersion = attributes.getValue(manifestAttribute);
            if (resolvedVersion != null) {
                log.debug("{}!/META-INF/MANIFEST.MF:{}={}", jarUri, manifestAttribute, resolvedVersion);
                return resolvedVersion;
            }
            if (!manifestAttribute.equalsIgnoreCase(DEFAULT_MANIFEST_ATTRIBUTE)) {
                resolvedVersion = attributes.getValue(DEFAULT_MANIFEST_ATTRIBUTE);
            }
            if (resolvedVersion != null) {
                log.debug("{}!/META-INF/MANIFEST.MF:{}={}", jarUri, DEFAULT_MANIFEST_ATTRIBUTE,
                        resolvedVersion);
                return resolvedVersion;
            }
        } catch (Exception e) {
            log.error("Cannot open " + jarUri + ": " + e);
        }
    }
    log.error("Cannot resolve {}!/META-INF/MANIFEST.MF:{}", jarUri, manifestAttribute);
    return UNKNOWN_VERSION;
}

---

From source file:org.commonjava.maven.galley.filearc.internal.ZipPublish.java

private Boolean writeArchive(final File dest, final String path) {
    final boolean isJar = isJarOperation();
    FileOutputStream fos = null;//from   ww w  .ja v  a 2 s.co m
    ZipOutputStream zos = null;
    ZipFile zf = null;
    try {
        fos = new FileOutputStream(dest);
        zos = isJar ? new JarOutputStream(fos) : new ZipOutputStream(fos);

        zf = isJar ? new JarFile(dest) : new ZipFile(dest);

        final ZipEntry entry = zf.getEntry(path);
        zos.putNextEntry(entry);
        copy(stream, zos);

        return true;
    } catch (final IOException e) {
        error = new TransferException("Failed to write path: %s to NEW archive: %s. Reason: %s", e, path, dest,
                e.getMessage());
    } finally {
        closeQuietly(zos);
        closeQuietly(fos);
        if (zf != null) {
            //noinspection EmptyCatchBlock
            try {
                zf.close();
            } catch (final IOException e) {
            }
        }
        closeQuietly(stream);
    }

    return false;
}

---

From source file:com.netease.hearttouch.hthotfix.HashTransformExecutor.java

public void transformJar(File inputFile, File outputFile) throws IOException {
    logger.info("HASHTRANSFORMJAR\t" + outputFile.getAbsolutePath());
    final JarFile jar = new JarFile(inputFile);
    final OutputJar outputJar = new OutputJar(outputFile);
    for (final Enumeration<JarEntry> entries = jar.entries(); entries.hasMoreElements();) {
        final JarEntry entry = entries.nextElement();
        if (entry.isDirectory()) {
            //                new File(outFile, entry.getName()).mkdirs();
            continue;
        }// w  w w .ja  v  a2 s  . c  o  m
        final InputStream is = jar.getInputStream(entry);

        try {
            byte[] bytecode = IOUtils.toByteArray(is);
            if (entry.getName().endsWith(".class")) {
                if (!extension.getGeneratePatch()) {
                    hashFileGenerator.addClass(bytecode);
                    ClassReader cr = new ClassReader(bytecode);

                    outputJar.writeEntry(entry, hackInjector.inject(cr.getClassName(), bytecode));
                } else {
                    outputJar.writeEntry(entry, bytecode);
                }
            } else {
                outputJar.writeEntry(entry, bytecode);
            }
        } finally {
            IOUtils.closeQuietly(is);
        }
    }
    outputJar.close();
}

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From source file:com.katsu.dwm.web.Loader.java

private void copyContent(File f, JarEntry je) {
    File rootPath = JarUtils.getRootApplicationContentPath();
    File temp = new File(rootPath, je.getName());
    if (je.isDirectory()) {
        logger.debug("Create path: " + temp.mkdirs() + " " + temp.getPath());
    } else {//from ww  w.j av  a 2 s  . c o  m
        InputStream is = null;
        FileOutputStream fos = null;
        try {
            JarFile jf = new JarFile(f);
            is = jf.getInputStream(je);
            if (!temp.exists()) {
                temp.createNewFile();
            }
            fos = new FileOutputStream(temp);
            byte[] array = new byte[1024];
            int readed;
            while ((readed = is.read(array)) != -1) {
                fos.write(array, 0, readed);
            }
        } catch (Exception e) {
            logger.error(e);
        } finally {
            try {
                if (is != null) {
                    is.close();
                }
            } catch (IOException ex) {
            }
            try {
                if (fos != null) {
                    fos.close();
                }
            } catch (IOException ex) {
            }
        }
    }
}

---

From source file:com.gzj.tulip.load.vfs.JarFileObject.java

JarFileObject(FileSystemManager fs, URL url) throws FileNotFoundException, IOException {
    this.fs = fs;
    String urlString = url.toString();
    String entryName = urlString.substring(
            urlString.indexOf(ResourceUtils.JAR_URL_SEPARATOR) + ResourceUtils.JAR_URL_SEPARATOR.length());
    if (entryName.length() == 0) {
        this.root = this;
        int beginIndex = urlString.indexOf(ResourceUtils.FILE_URL_PREFIX)
                + ResourceUtils.FILE_URL_PREFIX.length();
        int endIndex = urlString.indexOf(ResourceUtils.JAR_URL_SEPARATOR);
        this.jarFile = new JarFile(urlString.substring(beginIndex, endIndex));
    } else {/*from   w ww. jav  a 2s.c om*/
        this.root = (JarFileObject) fs.resolveFile(urlString.substring(//
                0,
                urlString.indexOf(ResourceUtils.JAR_URL_SEPARATOR) + ResourceUtils.JAR_URL_SEPARATOR.length()));
        this.jarFile = root.jarFile;
    }
    this.entry = jarFile.getJarEntry(entryName);
    this.url = url;
    this.urlString = urlString;
    int indexSep = entryName.lastIndexOf('/');
    if (indexSep == -1) {
        this.fileName = new FileNameImpl(this, entryName);
    } else {
        if (entryName.endsWith("/")) {
            int index = entryName.lastIndexOf('/', entryName.length() - 2);
            this.fileName = new FileNameImpl(this, entryName.substring(index + 1, indexSep));
        } else {
            this.fileName = new FileNameImpl(this, entryName.substring(indexSep + 1));
        }
    }
}

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