Java Jar Manifest getManifest(File file)

Description

get Manifest

License

Apache License

Declaration

static Manifest getManifest(File file) throws IOException 

Method Source Code

//package com.java2s;
/*/*from   ww w.  j ava 2s.  co  m*/
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;

import java.util.jar.JarFile;
import java.util.jar.Manifest;

public class Main {
    static Manifest getManifest(File file) throws IOException {
        if (!file.exists()) {
            return null;
        }
        Manifest manifest = null;
        if (file.isDirectory()) {
            File mf = new File(file, "META-INF/MANIFEST.MF");
            if (mf.isFile()) {
                InputStream is = new FileInputStream(mf);
                manifest = new Manifest(new FileInputStream(mf));
                is.close();
            }
        } else {
            JarFile jar = new JarFile(file, false);
            manifest = jar.getManifest();
            jar.close();
        }
        return manifest;
    }
}

Related

1. getBundleVersion(Manifest manifest)
2. getHeader(String name, Manifest manifest)
3. getMainAttributeValue(Manifest manifest, String attribute)
4. getManifest()
5. getManifest()
6. getManifest(File in)
7. getManifest(File jarFile)
8. getManifest(File pluginFile)
9. getManifest(final String jarFileName)