Java Jar Manifest getManifestHeaderValues(final Manifest manifest, final String headerName)

Description

get Manifest Header Values

License

Apache License

Declaration

public static List<String> getManifestHeaderValues(final Manifest manifest, final String headerName) 

Method Source Code

//package com.java2s;
/*/*w ww . ja  v  a2  s  .c  om*/
 * Copyright 2018 Mark Adamcin
 *
 * 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.util.ArrayList;

import java.util.List;

import java.util.jar.Attributes;

import java.util.jar.Manifest;

public class Main {
    public static List<String> getManifestHeaderValues(final Manifest manifest, final String headerName) {
        List<String> values = new ArrayList<>();
        Attributes mainAttribs = manifest.getMainAttributes();
        String valueList = mainAttribs.getValue(headerName);
        String[] valueArray = valueList != null ? valueList.split(",") : null;
        if (valueArray != null) {
            for (String value : valueArray) {
                if (!value.trim().isEmpty()) {
                    values.add(value.trim());
                }
            }
        }
        return values;
    }
}

Related

1. getManifestAttributes(File jarFile)
2. getManifestEntryValue(IResource manifest, String entryKey)
3. getManifestFileLocation(String moduleDir)
4. getManifestHeaders(File aJarFile)
5. getManifestHeaders(Manifest manifest)
6. getManifestPath(String moduleDir)
7. getManifestProperty(ClassLoader clContainingManifest, String manifestKey)
8. getManifestProperty(File file, String name)
9. getManifestProperty(Manifest manifest, String propertyName)