Java调用Shell脚本

/**
     * 执行脚本
     * 
     * @param shellString 需要执行的脚本内容
     * @return
     */
    public static int executeShell(String shellString) {
        int exitValue = 0;
        Process process = null;
        try {
            String[] cmd = { "/bin/sh", "-c", shellString };
            process = Runtime.getRuntime().exec(cmd);
            read(process.getInputStream());
            read(process.getErrorStream());
            exitValue = process.waitFor();
            if (0 != exitValue) {
                logger.error("execute shell failed. error code is :" + exitValue);
            }
        } catch (Exception e) {
            logger.error("execute shell failed.", e);
        } finally {
            if (process != null) {
                process.destroy();
            }
        }
        return exitValue;
    }

    /**
     * 读取输出流
     * 
     * @param in
     * @return
     * @throws Exception
     */
    public final static String read(InputStream in) throws Exception {
        BufferedReader reader = new BufferedReader(new InputStreamReader(in));
        String line = reader.readLine();
        StringBuffer sb = new StringBuffer();
        while (line != null) {
            sb.append(line + "\r\n");
            line = reader.readLine();
        }
        reader.close();
        in.close();
        return sb.toString();
    }