com.github.fartherp.framework.common.util.Tools Maven / Gradle / Ivy

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/*
 * Copyright (c) 2017. CK. All rights reserved.
 */

package com.github.fartherp.framework.common.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

/**
 * 进程执行操作类
 * Author: CK.
 * Date: 2015/3/28.
 */
public class Tools {

    /**
     * Execute shell.
     * @param shellCommand the shell command
     */
    public synchronized static void executeShell(String shellCommand) {
        int success = -1;
        BufferedReader bufferedReader = null;
        try {
            Process pid = Runtime.getRuntime().exec(shellCommand);
            bufferedReader = new BufferedReader(new InputStreamReader(pid.getErrorStream()), 1024);
            pid.waitFor();
            success = pid.exitValue();
            if (0 != success) {
                String line = null;
                StringBuilder errorMsg = new StringBuilder();
                while ((line = bufferedReader.readLine()) != null) {
                    errorMsg.append(line);
                }
                throw new Exception("执行" + shellCommand + "命令异常，异常信息" + errorMsg.toString());
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        } finally {
            close(bufferedReader);
        }
    }

    /**
     * Execute shell.
     *
     * @param shellCommand the shell command
     */
    public synchronized static void executeShell(String ... shellCommand) {
        int success = -1;
        BufferedReader bufferedReader = null;
        try {
            Process pid = Runtime.getRuntime().exec(shellCommand);
            bufferedReader = new BufferedReader(new InputStreamReader(pid.getErrorStream()), 1024);
            pid.waitFor();
            success = pid.exitValue();
            if (0 != success) {
                StringBuilder errorMsg = new StringBuilder();
                String line = null;
                while ((line = bufferedReader.readLine()) != null) {
                    errorMsg.append(line);
                }
                throw new Exception("执行" + shellCommand + "命令异常，异常信息" + errorMsg.toString());
            }
        } catch (Exception e) {
            throw new RuntimeException(e);
        } finally {
            close(bufferedReader);
        }
    }

    /**
     * Close bufferReader.
     * @param bufferedReader the bufferedReader
     */
    private static void close(BufferedReader bufferedReader) {
        try {
            if (null != bufferedReader) {
                bufferedReader.close();
            }
        } catch (IOException e) {
            // ignore
            bufferedReader = null;
        }
    }
}