Class ToolShell

common/src/main/java/pro/tools/system/ToolShell.java:17–176

shell相关工具 @author SeanDragon

 * @author SeanDragon
 */
public final class ToolShell {

    private ToolShell() {
        throw new UnsupportedOperationException("我是工具类，别初始化我。。。");
    }

    /**
     * 是否是在root下执行命令
     *
     * @param toolCommandExec
     *         包含下面四个属性 commands          命令数组 isRoot            是否需要root权限执行 isNeedResultMsg   是否需要结果消息 isNeedEnter
     *         是否需要回车
     *
     * @return ToolCommandResult
     */
    public static ToolCommandResult execCmd(ToolCommandExec toolCommandExec) throws IOException {
        int result = -1;
        if (toolCommandExec.getCommands() == null || toolCommandExec.getCommands().length == 0) {
            return new ToolCommandResult(result, null, null);
        }

        String[] commands = toolCommandExec.getCommands();
        boolean isNeedResultMsg = toolCommandExec.isNeedResultMsg();
        boolean isNeedEnter = toolCommandExec.isNeedEnter();

        Process process = null;
        StringBuilder successMsg = null;
        StringBuilder errorMsg = null;

        try {
            process = Runtime.getRuntime().exec(ToolSystem.isWindows() ? "cmd" : "sh");
            try (DataOutputStream os = new DataOutputStream(process.getOutputStream())) {
                for (String command : commands) {
                    if (command == null) {
                        continue;
                    }
                    os.write(command.getBytes());
                    os.writeBytes("\n");
                    os.flush();
                }
                os.writeBytes("exit\n");
                os.flush();
                result = process.waitFor();
            } catch (InterruptedException | IOException e) {
                e.printStackTrace();
            }
            if (isNeedResultMsg) {
                try (BufferedReader successResult = new BufferedReader(new InputStreamReader(process.getInputStream(), StrConst.DEFAULT_CHARSET_NAME));
                     BufferedReader errorResult = new BufferedReader(new InputStreamReader(process.getErrorStream(), StrConst.DEFAULT_CHARSET_NAME))) {
                    successMsg = new StringBuilder();
                    errorMsg = new StringBuilder();
                    String s;
                    char entry = isNeedEnter ? '\n' : ' ';
                    while ((s = successResult.readLine()) != null) {
                        successMsg.append(s).append(entry);
                    }
                    while ((s = errorResult.readLine()) != null) {
                        errorMsg.append(s).append(entry);