Example usage for java.util.jar JarFile JarFile

List of usage examples for java.util.jar JarFile JarFile

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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:Main.java

static boolean isTheUpdateForMe(File path) {

    JarFile jar;/*  ww w. j av a 2 s .  co  m*/
    try {
        jar = new JarFile(path);
    } catch (IOException e) {
        // TODO Auto-generated catch block
        return false;
    }

    ZipEntry entry = jar.getEntry("system/build.prop");
    final String myDevice = "ro.product.device=" + Build.DEVICE;
    boolean finded = false;

    if (entry != null) {
        try {
            InputStreamReader bi = new InputStreamReader(jar.getInputStream(entry));

            BufferedReader br = new BufferedReader(bi);

            String line;
            Pattern p = Pattern.compile(myDevice);
            do {
                line = br.readLine();
                if (line == null) {
                    break;
                }

                Matcher m = p.matcher(line);
                if (m.find()) {
                    finded = true;
                    break;
                }
            } while (true);

            bi.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
        }
    }
    try {
        jar.close();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    return finded;
}

From source file:com.zb.app.common.file.FileUtils.java

public static void unJar(File jarFile, File toDir) throws IOException {
    JarFile jar = new JarFile(jarFile);
    try {/*  w  w w .  jav a 2  s .  co  m*/
        Enumeration<JarEntry> entries = jar.entries();
        while (entries.hasMoreElements()) {
            JarEntry entry = (JarEntry) entries.nextElement();
            if (!entry.isDirectory()) {
                InputStream in = jar.getInputStream(entry);
                try {
                    File file = new File(toDir, entry.getName());
                    if (!file.getParentFile().mkdirs()) {
                        if (!file.getParentFile().isDirectory()) {
                            throw new IOException("Mkdirs failed to create " + file.getParentFile().toString());
                        }
                    }
                    OutputStream out = new FileOutputStream(file);
                    try {
                        byte[] buffer = new byte[8192];
                        int i;
                        while ((i = in.read(buffer)) != -1) {
                            out.write(buffer, 0, i);
                        }
                    } finally {
                        out.close();
                    }
                } finally {
                    in.close();
                }
            }
        }
    } finally {
        jar.close();
    }
}

From source file:com.cisco.dbds.utils.configfilehandler.ConfigFileHandler.java

/**
 * Load jar cong file.//from w  ww . j av  a  2 s  .  c  om
 *
 * @param Utilclass the utilclass
 */
public static void loadJarCongFile(Class Utilclass) {
    try {
        String path = Utilclass.getResource("").getPath();
        path = path.substring(6, path.length() - 1);
        path = path.split("!")[0];
        System.out.println(path);
        JarFile jarFile = new JarFile(path);

        final Enumeration<JarEntry> entries = jarFile.entries();
        while (entries.hasMoreElements()) {
            final JarEntry entry = entries.nextElement();
            if (entry.getName().contains(".properties")) {
                System.out.println("Jar File Property File: " + entry.getName());
                JarEntry fileEntry = jarFile.getJarEntry(entry.getName());
                InputStream input = jarFile.getInputStream(fileEntry);
                setSystemvariable(input);
                InputStreamReader isr = new InputStreamReader(input);
                BufferedReader reader = new BufferedReader(isr);
                String line;

                while ((line = reader.readLine()) != null) {
                    System.out.println("Jar file" + line);
                }
                reader.close();
            }
        }
        jarFile.close();
    } catch (Exception e) {
        System.out.println("Jar file reading Error");
    }
}

From source file:com.thoughtworks.go.agent.common.util.JarUtil.java

public static String getManifestKey(File aJarFile, String key) {
    try (JarFile jarFile = new JarFile(aJarFile)) {
        return getManifestKey(jarFile, key);
    } catch (IOException e) {
        LOG.error("Exception while trying to read key {} from manifest of {}", key, aJarFile, e);
    }/*  w ww  . java2 s  . c o  m*/
    return null;
}

From source file:com.asual.summer.onejar.OneJarServer.java

private static String getCurrentWarFile() throws IOException {
    JarFile jarFile = new JarFile(System.getProperty("java.class.path"));
    Enumeration<JarEntry> entries = jarFile.entries();
    while (entries.hasMoreElements()) {
        String name = entries.nextElement().getName();
        if (name.endsWith(".war")) {
            File war = new File(new File(System.getProperty("java.io.tmpdir")),
                    "summer-onejar-" + System.currentTimeMillis() + ".war");
            InputStream input = jarFile.getInputStream(new ZipEntry(name));
            FileOutputStream output = new FileOutputStream(war);
            IOUtils.copy(input, output);
            IOUtils.closeQuietly(input);
            IOUtils.closeQuietly(output);
            war.deleteOnExit();//from  w  w w .j  a  va  2s.  c  om
            return war.getAbsolutePath();
        }
    }
    return null;
}

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();//from  w  w  w . ja  va 2  s.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:Main.java

/**
 * Iterates over APK (jar entries) to populate
 * //from   ww  w  . j  a v  a2s  . c  o m
 * @param projectFile
 * @return
 * @throws IOException
 * @throws CertificateException
 */
public static List<Certificate> populateCertificate(File projectFile) throws IOException, CertificateException {
    List<Certificate> certList = new ArrayList<Certificate>();
    JarFile jar = new JarFile(projectFile);
    Enumeration<JarEntry> jarEntries = jar.entries();
    while (jarEntries.hasMoreElements()) {
        JarEntry entry = jarEntries.nextElement();
        if (entry.getName().toLowerCase().contains(DSA) || entry.getName().toLowerCase().contains(RSA)) {
            certList.addAll(extractCertificate(jar, entry));
        }
    }
    return certList;
}

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

public static void unJar(File jarFile, File toDir) throws IOException {
    JarFile jar = new JarFile(jarFile);
    try {//from w  w w.  j a  v a 2s  .c o m
        Enumeration entries = jar.entries();
        while (entries.hasMoreElements()) {
            JarEntry entry = (JarEntry) entries.nextElement();
            if (!entry.isDirectory()) {
                InputStream in = jar.getInputStream(entry);
                try {
                    File file = new File(toDir, entry.getName());
                    if (!file.getParentFile().mkdirs()) {
                        if (!file.getParentFile().isDirectory()) {
                            throw new IOException("Mkdirs failed to create " + file.getParentFile().toString());
                        }
                    }
                    OutputStream out = new FileOutputStream(file);
                    try {
                        byte[] buffer = new byte[8192];
                        int i;
                        while ((i = in.read(buffer)) != -1) {
                            out.write(buffer, 0, i);
                        }
                    } finally {
                        out.close();
                    }
                } finally {
                    in.close();
                }
            }
        }
    } finally {
        jar.close();
    }
}

From source file:hudson.plugins.simpleupdatesite.HPI.java

public static HPI loadHPI(File file) throws IOException {
    JarFile jarFile = new JarFile(file);
    try {/*from   w  ww  . j  ava2  s .c  o  m*/
        ZipEntry entry = jarFile.getEntry("META-INF/MANIFEST.MF");
        HPI hpi = new HPI();
        hpi.init(jarFile.getManifest().getMainAttributes(), entry.getTime());
        return hpi;
    } finally {
        jarFile.close();
    }
}

From source file:com.katsu.dwm.reflection.JarUtils.java

/**
 * Return a list of resources inside the jar file that their URL start with path
 * @param jar/*from   w  w  w  . j a  v  a 2s  . c  o  m*/
 * @param path
 * @return 
 */
public static List<JarEntry> getJarContent(File jar, String path) {
    try {
        JarFile jf = new JarFile(jar);
        Enumeration<JarEntry> enu = jf.entries();
        List<JarEntry> result = new ArrayList<JarEntry>();
        while (enu.hasMoreElements()) {
            JarEntry je = enu.nextElement();
            if (je.getName().startsWith(path))
                result.add(je);
        }
        return result;
    } catch (Exception e) {
        logger.error(e);
    }
    return null;
}