Java Jar File Find getJarPath(Class caller)

Description

get Jar Path

License

Apache License

Declaration

public static String getJarPath(Class<?> caller) 

Method Source Code

//package com.java2s;
/*/*from  w w  w .j av  a2  s  .c  o m*/
 * Copyright 2014-2015 See AUTHORS file.
 *
 * 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.UnsupportedEncodingException;
import java.net.URL;
import java.net.URLDecoder;

public class Main {
    public static String getJarPath(Class<?> caller) {
        try {
            URL url = caller.getProtectionDomain().getCodeSource().getLocation();
            String path = URLDecoder.decode(url.getFile(), "UTF-8");
            path = path.substring(1, path.lastIndexOf('/')); // remove jar name from path

            if (path.endsWith("target/classes")) //launched from ide, remove classes from path
                path = path.substring(0, path.length() - "/classes".length());

            path = path.replace("/", File.separator);
            return path + File.separator;
        } catch (UnsupportedEncodingException e) {
            throw new IllegalStateException("Failed to get jar path due to unsupported encoding!", e);
        }
    }
}

Related

1. getJarLocation(Class classFromJar)
2. getJarLocation(Class clazz)
3. getJarLocation(final Class cClass)
4. getJarManifest(File file)
5. getJarOrDir(Class mainClass)
6. getJarPath(String pkg)
7. getJarPathOf(Class classObject)