Here you can find the source of getManifestProperty(File file, String name)
public static String getManifestProperty(File file, String name) throws IOException
//package com.java2s; /**/*www . j ava 2 s . com*/ * Copyright (c) 2000-present Liferay, Inc. All rights reserved. * * Licensed 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.IOException; import java.util.jar.Attributes; import java.util.jar.JarFile; import java.util.jar.Manifest; public class Main { public static String getManifestProperty(File file, String name) throws IOException { try (JarFile jarFile = new JarFile(file)) { Manifest manifest = jarFile.getManifest(); Attributes attributes = manifest.getMainAttributes(); return attributes.getValue(name); } } }