Java exec execute(ProcessBuilder builder, String errorMsg)

Description

execute

License

Apache License

Declaration

static String execute(ProcessBuilder builder, String errorMsg) 

Method Source Code

//package com.java2s;
/*/*from w  w w  . java2 s .  co  m*/
 * Copyright (C) 2014 Stefan Niederhauser (nidin@gmx.ch)
 *
 * 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.*;

public class Main {
    static String execute(ProcessBuilder builder, String errorMsg) {
        try {
            final Process proc = builder.redirectErrorStream(true).start();
            final int result = proc.waitFor();
            final StringBuilder res = new StringBuilder();
            try (final BufferedReader in = new BufferedReader(
                    new InputStreamReader(proc.getInputStream()))) {
                while (in.ready()) {
                    res.append(in.readLine()).append("\n");
                }
            }
            if (result != 0) {
                throw new RuntimeException(errorMsg + result + ":\n"
                        + builder.command() + "\n" + res.toString());
            }
            return res.toString();
        } catch (IOException | InterruptedException e) {
            throw new RuntimeException(e);
        }
    }
}

Related

1. execSystemCommand(String[] commands, String executionPath)
2. execToString(final String... args)
3. execute(boolean returnOutput, boolean returnError, boolean throwException, String[] cmd, File dir, String[] env)
4. execute(final String applicationName, final String workingDirectory)
5. execute(final String command)
6. execute(String cmd, String input)
7. execute(String command)
8. execute(String command)
9. execute(String command)