Example usage for java.util.jar JarFile getManifest

Introduction

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

Prototype

public Manifest getManifest() throws IOException

Source Link

Document

Returns the jar file manifest, or null if none.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JarFile jarfile = new JarFile("filename.jar");

    Manifest manifest = jarfile.getManifest();

    OutputStream fos = new FileOutputStream("manifest");
    jarfile.getManifest().write(fos);//  w  w  w.  j  a  v a 2 s.c o m
    fos.close();
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JarFile jarfile = new JarFile("filename.jar");

    Manifest manifest = jarfile.getManifest();

    Attributes attrs = (Attributes) manifest.getMainAttributes();

    for (Iterator it = attrs.keySet().iterator(); it.hasNext();) {
        Attributes.Name attrName = (Attributes.Name) it.next();

        String attrValue = attrs.getValue(attrName);
    }/*from w  ww.ja v a2  s  .c om*/
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JarFile jarfile = new JarFile("filename.jar", true);

    Manifest manifest = jarfile.getManifest();

    Attributes attrs = (Attributes) manifest.getMainAttributes();

    for (Iterator it = attrs.keySet().iterator(); it.hasNext();) {
        Attributes.Name attrName = (Attributes.Name) it.next();

        String attrValue = attrs.getValue(attrName);
    }//w  w w  .j a v  a2s  . c  o  m
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JarFile jarfile = new JarFile("filename.jar");

    Manifest manifest = jarfile.getManifest();

    Map map = manifest.getEntries();

    for (Iterator it = map.keySet().iterator(); it.hasNext();) {
        String entryName = (String) it.next();

        Attributes attrs = (Attributes) map.get(entryName);

        for (Iterator it2 = attrs.keySet().iterator(); it2.hasNext();) {
            Attributes.Name attrName = (Attributes.Name) it2.next();

            String attrValue = attrs.getValue(attrName);
        }/*from  www.  j  av a 2  s  .c om*/
    }
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JarFile jarfile = new JarFile(new File("filename.jar"), true);

    Manifest manifest = jarfile.getManifest();

    Attributes attrs = (Attributes) manifest.getMainAttributes();

    for (Iterator it = attrs.keySet().iterator(); it.hasNext();) {
        Attributes.Name attrName = (Attributes.Name) it.next();

        String attrValue = attrs.getValue(attrName);
    }/*ww w  . j  a v  a 2 s .  co m*/
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JarFile jarfile = new JarFile(new File("filename.jar"), true, JarFile.OPEN_READ);

    Manifest manifest = jarfile.getManifest();

    Attributes attrs = (Attributes) manifest.getMainAttributes();

    for (Iterator it = attrs.keySet().iterator(); it.hasNext();) {
        Attributes.Name attrName = (Attributes.Name) it.next();

        String attrValue = attrs.getValue(attrName);
    }//from w  w  w.  j  a va2s.  co  m
}

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

/**
 * @param args/*  www .  j  a v  a2s . c  om*/
 * @throws Throwable 
 */
public static void main(String[] args) throws Throwable {
    String usage = "RunTrigger jarFile [mainClass] args...";

    if (args.length < 1) {
        System.err.println(usage);
        System.exit(-1);
    }
    int firstArg = 0;
    String fileName = args[firstArg++];
    File file = new File(fileName);
    File tmpJarFile = new File("/tmp/hbase/triggerJar/trigger.jar");
    if (tmpJarFile.exists()) {
        tmpJarFile.delete();
    }
    FileUtils.copyFile(file, tmpJarFile);

    String mainClassName = null;
    JarFile jarFile;
    try {
        jarFile = new JarFile(fileName);
    } catch (IOException e) {
        throw new IOException("Error opening trigger jar: " + fileName).initCause(e);
    }

    Manifest manifest = jarFile.getManifest();
    if (manifest != null) {
        mainClassName = manifest.getMainAttributes().getValue("Main-Class");
    }
    jarFile.close();
    System.out.println("Manifest From Jar: " + mainClassName);

    if (mainClassName == null) {
        if (args.length < 2) {
            System.err.println(usage);
            System.exit(-1);
        }
        mainClassName = args[firstArg++];
    }
    System.out.println("Manifest class from argument: " + mainClassName);

    mainClassName = mainClassName.replace("/", ".");

    //'hbase.tmp.dir'
    File tmpDir = new File("/tmp/hbase/trigger/");

    tmpDir.mkdirs();
    if (!tmpDir.isDirectory()) {
        System.err.println("Mkdirs failed to create " + tmpDir);
        System.exit(-1);
    }
    final File workDir = File.createTempFile("trigger-unjar", "", tmpDir);
    workDir.delete();
    workDir.mkdirs();
    if (!workDir.isDirectory()) {
        System.err.println("Mkdirs failed to create " + workDir);
        System.exit(-1);
    }

    Runtime.getRuntime().addShutdownHook(new Thread() {
        public void run() {
            try {
                FileUtil.fullyDelete(workDir);
            } catch (IOException e) {
            }
        }
    });

    unJar(file, workDir);

    ArrayList<URL> classPath = new ArrayList<URL>();
    classPath.add(new File(workDir + "/").toURL());
    classPath.add(file.toURL());
    classPath.add(new File(workDir, "classes/").toURL());
    File[] libs = new File(workDir, "lib").listFiles();
    if (libs != null) {
        for (int i = 0; i < libs.length; i++) {
            classPath.add(libs[i].toURL());
        }
    }

    ClassLoader loader = new URLClassLoader(classPath.toArray(new URL[0]));
    Thread.currentThread().setContextClassLoader(loader);
    Class<?> mainClass = Class.forName(mainClassName, true, loader);
    Method main = mainClass.getMethod("main", new Class[] { Array.newInstance(String.class, 0).getClass() });
    String[] newArgs = Arrays.asList(args).subList(firstArg, args.length).toArray(new String[0]);
    try {
        main.invoke(null, new Object[] { newArgs });
    } catch (InvocationTargetException e) {
        throw e.getTargetException();
    }
}

From source file:de.unibi.techfak.bibiserv.util.codegen.Main.java

public static void main(String[] args) {
    // check &   validate cmdline options
    OptionGroup opt_g = getCMDLineOptionsGroups();
    Options opt = getCMDLineOptions();//w w  w. ja  v  a  2 s  . c  om
    opt.addOptionGroup(opt_g);

    CommandLineParser cli = new DefaultParser();
    try {
        CommandLine cl = cli.parse(opt, args);

        if (cl.hasOption("v")) {
            VerboseOutputFilter.SHOW_VERBOSE = true;
        }

        switch (opt_g.getSelected()) {
        case "V":
            try {
                URL jarUrl = Main.class.getProtectionDomain().getCodeSource().getLocation();
                String jarPath = URLDecoder.decode(jarUrl.getFile(), "UTF-8");
                JarFile jarFile = new JarFile(jarPath);
                Manifest m = jarFile.getManifest();
                StringBuilder versionInfo = new StringBuilder();
                for (Object key : m.getMainAttributes().keySet()) {
                    versionInfo.append(key).append(":").append(m.getMainAttributes().getValue(key.toString()))
                            .append("\n");
                }
                System.out.println(versionInfo.toString());
            } catch (Exception e) {
                log.error("Version info could not be read.");
            }
            break;
        case "h":
            HelpFormatter help = new HelpFormatter();
            String header = ""; //TODO: missing infotext 
            StringBuilder footer = new StringBuilder("Supported configuration properties :");
            help.printHelp("CodeGen -h | -V | -g  [...]", header, opt, footer.toString());
            break;
        case "g":
            // target dir
            if (cl.hasOption("t")) {
                File target = new File(cl.getOptionValue("t"));
                if (target.isDirectory() && target.canExecute() && target.canWrite()) {
                    config.setProperty("target.dir", cl.getOptionValue("t"));
                } else {
                    log.error("Target dir '{}' is inaccessible!", cl.getOptionValue("t"));
                    break;
                }
            } else {
                config.setProperty("target.dir", System.getProperty("java.io.tmpdir"));
            }

            // project dir
            if (cl.hasOption("p")) {
                File project = new File(cl.getOptionValue("p"));
                if (!project.exists()) {
                    if (!project.mkdirs()) {
                        log.error("Project dir '{}' can't be created!", cl.getOptionValue("p"));
                        break;
                    }
                }

                if (project.isDirectory() && project.canExecute() && project.canWrite()) {
                    config.setProperty("project.dir", cl.getOptionValue("p"));
                } else {
                    log.error("Project dir '{}' is inaccessible!", cl.getOptionValue("p"));
                    break;
                }
            }

            generateAppfromXML(cl.getOptionValue("g"));
            break;
        }
    } catch (ParseException e) {
        log.error("ParseException occurred while parsing cmdline arguments!\n{}", e.getLocalizedMessage());
    }

}

From source file:net.fabricmc.installer.installer.LocalVersionInstaller.java

public static void install(File mcDir, IInstallerProgress progress) throws Exception {
    JFileChooser fc = new JFileChooser();
    fc.setDialogTitle(Translator.getString("install.client.selectCustomJar"));
    fc.setFileFilter(new FileNameExtensionFilter("Jar Files", "jar"));
    if (fc.showOpenDialog(null) == JFileChooser.APPROVE_OPTION) {
        File inputFile = fc.getSelectedFile();

        JarFile jarFile = new JarFile(inputFile);
        Attributes attributes = jarFile.getManifest().getMainAttributes();
        String mcVersion = attributes.getValue("MinecraftVersion");
        Optional<String> stringOptional = ClientInstaller.isValidInstallLocation(mcDir, mcVersion);
        jarFile.close();// ww w . j ava  2s  .  c o m
        if (stringOptional.isPresent()) {
            throw new Exception(stringOptional.get());
        }
        ClientInstaller.install(mcDir, mcVersion, progress, inputFile);
    } else {
        throw new Exception("Failed to find jar");
    }

}

From source file:net.fabricmc.installer.installer.LocalVersionInstaller.java

public static void installServer(File mcDir, IInstallerProgress progress) throws Exception {
    JFileChooser fc = new JFileChooser();
    fc.setDialogTitle(Translator.getString("install.client.selectCustomJar"));
    fc.setFileFilter(new FileNameExtensionFilter("Jar Files", "jar"));
    if (fc.showOpenDialog(null) == JFileChooser.APPROVE_OPTION) {
        File inputFile = fc.getSelectedFile();

        JarFile jarFile = new JarFile(inputFile);
        Attributes attributes = jarFile.getManifest().getMainAttributes();
        String fabricVersion = attributes.getValue("FabricVersion");
        jarFile.close();/*from www. j  a  v  a  2s  .  c  o  m*/
        File fabricJar = new File(mcDir, "fabric-" + fabricVersion + ".jar");
        if (fabricJar.exists()) {
            fabricJar.delete();
        }
        FileUtils.copyFile(inputFile, fabricJar);
        ServerInstaller.install(mcDir, fabricVersion, progress, fabricJar);
    } else {
        throw new Exception("Failed to find jar");
    }

}