Example usage for java.util.jar JarInputStream JarInputStream

Introduction

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

Prototype

public JarInputStream(InputStream in) throws IOException

Source Link

Document

Creates a new JarInputStream and reads the optional manifest.

Usage

From source file:com.dragome.callbackevictor.serverside.utils.RewritingUtils.java

public static void main(final String[] args) throws FileNotFoundException, IOException {
    ResourceTransformer transformer = new AsmClassTransformer();

    for (int i = 0; i < args.length; i += 2) {
        // System.out.println("rewriting " + args[i]);

        RewritingUtils.rewriteJar(new JarInputStream(new FileInputStream(args[i])), transformer,
                new JarOutputStream(new FileOutputStream(args[i + 1])));
    }/*w w w  .  j  ava2  s. c om*/

    // System.out.println("done");

}

From source file:org.vafer.jdependency.utils.DependencyUtils.java

public static Set<String> getDependenciesOfJar(final InputStream pInputStream) throws IOException {
    final JarInputStream inputStream = new JarInputStream(pInputStream);
    final NullOutputStream nullStream = new NullOutputStream();
    final Set<String> dependencies = new HashSet<String>();
    try {/*  w  ww.  java  2s . c o m*/
        while (true) {
            final JarEntry entry = inputStream.getNextJarEntry();

            if (entry == null) {
                break;
            }

            if (entry.isDirectory()) {
                // ignore directory entries
                IOUtils.copy(inputStream, nullStream);
                continue;
            }

            final String name = entry.getName();

            if (name.endsWith(".class")) {
                final DependenciesClassAdapter v = new DependenciesClassAdapter();
                new ClassReader(inputStream).accept(v, 0);
                dependencies.addAll(v.getDependencies());
            } else {
                IOUtils.copy(inputStream, nullStream);
            }
        }
    } finally {
        inputStream.close();
    }

    return dependencies;
}

From source file:com.igormaznitsa.jcp.it.maven.ITPreprocessorMojo.java

private static void assertMainClass(final String jarFile, final String mainClass) throws Exception {
    JarInputStream jarStream = null;
    try {//  www .j  a va 2  s .  c  om
        jarStream = new JarInputStream(new FileInputStream(jarFile));
        final Manifest manifest = jarStream.getManifest();
        final Attributes attrs = manifest.getMainAttributes();
        assertEquals("Maven plugin must also provide and main class in manifest", mainClass,
                attrs.getValue("Main-Class"));
    } finally {
        IOUtils.closeQuietly(jarStream);
    }
}

From source file:com.fengduo.bee.commons.core.lang.ClassLoaderUtils.java

public static List<String> getClassNamesInPackage(String jarName, String packageName) throws IOException {
    JarInputStream jarFile = new JarInputStream(new FileInputStream(jarName));
    packageName = packageName.replace(".", "/");
    List<String> classes = new ArrayList<String>();

    try {/* w  ww.  j a  va  2 s .  c o  m*/
        for (JarEntry jarEntry; (jarEntry = jarFile.getNextJarEntry()) != null;) {
            if ((jarEntry.getName().startsWith(packageName)) && (jarEntry.getName().endsWith(".class"))) {
                classes.add(jarEntry.getName().replace("/", ".").replaceAll(".class", ""));
            }
        }
    } finally {
        jarFile.close();
    }
    return classes;
}

From source file:JarUtils.java

/**
 * Add jar contents to the deployment archive under the given prefix
 *///  w w w.  ja  va 2s  .com
public static String[] addJar(JarOutputStream outputStream, String prefix, File jar) throws IOException {

    ArrayList tmp = new ArrayList();
    FileInputStream fis = new FileInputStream(jar);
    JarInputStream jis = new JarInputStream(fis);
    JarEntry entry = jis.getNextJarEntry();
    while (entry != null) {
        if (entry.isDirectory() == false) {
            String entryName = prefix + entry.getName();
            tmp.add(entryName);
            addJarEntry(outputStream, entryName, jis);
        }
        entry = jis.getNextJarEntry();
    }
    jis.close();
    String[] names = new String[tmp.size()];
    tmp.toArray(names);
    return names;
}

From source file:ezbake.frack.submitter.util.JarUtil.java

public static File addFilesToJar(File sourceJar, List<File> newFiles) throws IOException {
    JarOutputStream target = null;
    JarInputStream source;/* w w w  . j a  v a 2 s .  com*/
    File outputJar = new File(sourceJar.getParentFile(), getRepackagedJarName(sourceJar.getAbsolutePath()));
    log.debug("Output file created at {}", outputJar.getAbsolutePath());
    outputJar.createNewFile();
    try {
        source = new JarInputStream(new FileInputStream(sourceJar));
        target = new JarOutputStream(new FileOutputStream(outputJar));
        ZipEntry entry = source.getNextEntry();
        while (entry != null) {
            String name = entry.getName();
            // Add ZIP entry to output stream.
            target.putNextEntry(new ZipEntry(name));
            // Transfer bytes from the ZIP file to the output file
            int len;
            byte[] buffer = new byte[BUFFER_SIZE];
            while ((len = source.read(buffer)) > 0) {
                target.write(buffer, 0, len);
            }
            entry = source.getNextEntry();
        }
        source.close();
        for (File fileToAdd : newFiles) {
            add(fileToAdd, fileToAdd.getParentFile().getAbsolutePath(), target);
        }
    } finally {
        if (target != null) {
            log.debug("Closing output stream");
            target.close();
        }
    }
    return outputJar;
}

From source file:com.cuubez.visualizer.scanner.reader.JarFileReader.java

public JarFileReader(InputStream is, FileFilter filter) throws IOException {
    this.filter = filter;
    jarInputStream = new JarInputStream(is);
}

From source file:io.fabric8.maven.core.util.MavenUtil.java

public static boolean hasKubernetesJson(File f) throws IOException {
    try (FileInputStream fis = new FileInputStream(f); JarInputStream jis = new JarInputStream(fis)) {
        for (JarEntry entry = jis.getNextJarEntry(); entry != null; entry = jis.getNextJarEntry()) {
            if (entry.getName().equals(DEFAULT_CONFIG_FILE_NAME)) {
                return true;
            }// w  w w . j  a v  a2s . co  m
        }
    }
    return false;
}

From source file:com.github.nullstress.asm.SourceSetScanner.java

public Set<String> analyzeJar(URL url) {
    Set<String> dependencies = new HashSet<String>();
    try {//from  www. j ava 2  s.co m
        JarInputStream in = new JarInputStream(url.openStream());
        JarEntry entry;

        while ((entry = in.getNextJarEntry()) != null) {
            String name = entry.getName();

            if (name.endsWith(".class")) {
                dependencies.add(name.replaceAll("/", "."));
            }
        }
        in.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return dependencies;
}

From source file:ru.runa.af.web.system.TaskHandlerClassesInformation.java

private static void init() {
    String deploymentDirPath = IoCommons.getDeploymentDirPath();
    String earFilePath = deploymentDirPath + "/" + SystemProperties.getEARFileName();
    Closer closer = Closer.create();/*from   w w w .jav  a2 s .c om*/
    try {
        ZipInputStream earInputStream = closer.register(new ZipInputStream(new FileInputStream(earFilePath)));
        ZipEntry entry;
        while ((entry = earInputStream.getNextEntry()) != null) {
            if (entry.getName().endsWith(".jar")) {
                searchInJar(entry.getName(), new JarInputStream(earInputStream));
            }
        }
        if (IoCommons.getAppServer() == AppServer.JBOSS4) {
            File deploymentDirectory = new File(deploymentDirPath);
            log.debug("Searching in deployment directory: " + deploymentDirectory);
            for (File file : IoCommons.getJarFiles(deploymentDirectory)) {
                JarInputStream jarInputStream = closer.register(new JarInputStream(new FileInputStream(file)));
                searchInJar(file.getName(), jarInputStream);
            }
        }
        File extensionDirectory = new File(IoCommons.getExtensionDirPath());
        if (extensionDirectory.exists() && extensionDirectory.isDirectory()) {
            log.debug("Searching in extension directory: " + extensionDirectory);
            for (File file : IoCommons.getJarFiles(extensionDirectory)) {
                JarInputStream jarInputStream = closer.register(new JarInputStream(new FileInputStream(file)));
                searchInJar(file.getName(), jarInputStream);
            }
        } else {
            log.debug("No extension directory found: " + extensionDirectory);
        }
    } catch (Throwable e) {
        log.error(e.getMessage(), e);
    } finally {
        try {
            closer.close();
        } catch (IOException e) {
            log.warn(e);
        }
    }
}