Java JDK Home Get getJdkHome()

Description

get Jdk Home

License

Apache License

Return

the JDK Home that launched the plug-in container

Declaration

public static String getJdkHome() throws IOException 

Method Source Code

//package com.java2s;
/*//ww  w .j a v a  2s . c  o m
 * Copyright (C) 2017 CenturyLink, Inc.
 *
 * 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;

public class Main {
    /**
     * @return the JDK Home that launched the plug-in container
     */
    public static String getJdkHome() throws IOException {
        String javaHome = System.getProperty("java.home");

        if (!javaHome.endsWith(File.separator + "jre")) {
            throw new IOException("Unable to locate executable JDK Home.");
        }
        return javaHome.substring(0, javaHome.length() - 4);
    }
}

Related

1. getJdkBin()
2. getJdkHome()
3. getJDKHomeVariable()
4. getJDKPath(File file)