DataManager/src/main/java/com/fd/util/CmdUtils.java

package com.fd.util;

import lombok.extern.log4j.Log4j2;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;

/**
 * Created by Owen on 2019/10/31 0031 16:05
 */
@Log4j2
public class CmdUtils {



    // linux 执行方法
    public static String exeCmd(String commandStr) {

        String result = null;
        try {
            String[] cmd = new String[]{"/bin/sh", "-c",commandStr};
            Process ps = Runtime.getRuntime().exec(cmd);



            BufferedReader br = new BufferedReader(new InputStreamReader(ps.getInputStream(),"UTF-8"));
            BufferedReader errorBuf = new BufferedReader(new InputStreamReader(ps.getErrorStream(), "UTF-8"));
            log.info("===== br ========: {}", br == null);
            StringBuffer sb = new StringBuffer();
            StringBuffer errorStr = new StringBuffer();
            String line;

            while ((line = errorBuf.readLine()) != null) {
                errorStr.append(line).append("\n");
                System.out.println("error: "+line);
            }
            log.info("error result: {}", errorStr.toString());


            while ((line = br.readLine()) != null) {
                log.info("=====  br.readLine: ======== {}",  br.readLine());
                //执行结果加上回车
                System.out.println("br: "+line);
                sb.append(line).append("\n");
                log.info("line: {}", line);
            }
            result = sb.toString();
            System.out.println("result: " + result);
            log.info("result: {}", result);

            // 结束命令行
            int i = ps.waitFor();
            log.info("wsitFore : {}", i);

            // 关闭流
            br.close();
            errorBuf.close();

        } catch (Exception e) {
            e.printStackTrace();
        }

        return result;

    }


    // linux 执行方法
    public static String exeCmd2(String commandStr) {

        String result = null;
        try {
            String[] cmd = new String[]{"/bin/sh", "-c",commandStr};
            Process ps = Runtime.getRuntime().exec(cmd);



            BufferedReader br = new BufferedReader(new InputStreamReader(ps.getInputStream(),"UTF-8"));
            BufferedReader errorBuf = new BufferedReader(new InputStreamReader(ps.getErrorStream(), "UTF-8"));

            StringBuffer sb = new StringBuffer();
            StringBuffer errorStr = new StringBuffer();


            String errorLine;

            String str = "";
            String b= "";

//            StringBuffer per = new StringBuffer();
            ArrayList<Object> arrayList = new ArrayList<>();

            while ((errorLine = errorBuf.readLine()) != null) {
//                errorStr.append("\n"); // 为了打印日志好看，第一行先换行
                errorStr.append(errorLine).append("\n");

                if (errorLine.contains("Generated tile #")) {
                    // 截取百分比
                    str = errorLine.substring(errorLine.indexOf("% done)") - 7, errorLine.indexOf("% done)"));
                    arrayList.add(str);
                }


//                b = errorLine.substring(0, errorLine.lastIndexOf("All done. {")+8);
//
//                if ("All done".equals(b)) {
//                    arrayList.add(b);
//                }
            }
            log.info("error result: {}", errorStr.toString());
            log.info("per: {}", Arrays.toString(arrayList.toArray()));

            String line;
            while ((line = br.readLine()) != null) {
                log.info("=====  br.readLine: ======== {}",  br.readLine());
                //执行结果加上回车
                System.out.println("br: "+line);
                sb.append(line).append("\n");
                log.info("line: {}", line);
            }
            result = sb.toString();
            System.out.println("result: " + result);
            log.info("result: {}", result);

            // 结束命令行
            int i = ps.waitFor();
            log.info("wsitFore : {}", i);

            // 关闭流
            br.close();
            errorBuf.close();

        } catch (Exception e) {
            e.printStackTrace();
        }

        return result;

    }

    // 记录进度
    public class PercentThread implements Runnable{

        @Override
        public void run() {

        }
    }

    public static void main(String[] args) {
//        StringBuffer buffer = new StringBuffer();
//
//        for (int i = 0; i < 10; i++) {
//         buffer.append("ni hao:" + i).append("\n");
//        }
//        System.out.println(buffer.toString());

        String a = "Generated tile #470 of 470 (  7.95 % done): 23-3419770-1832098 (pseudomerc, extents: 12637123.684560,2532482.957259:12637133.239189,2532492.511887) [mesh,atlas]. {encoder.cpp:process():304}";
        String b = "All done. {";
        System.out.println(a.substring(a.indexOf("% done)")-7, a.indexOf("% done)")));
        System.out.println(b.substring(0, b.lastIndexOf("All done. {")+8));

        System.out.println(a.contentEquals("Generated tile #"));
        System.out.println(a.contains("Generated tile #"));
        System.out.println(a.concat("Generated tile #"));
    }


//    // linux 执行方法
//    public static String exeCmd(String commandStr) {
//
//        String result = null;
//        try {
//            String[] cmd = new String[]{"/bin/sh", "-c",commandStr};
//            Process ps = Runtime.getRuntime().exec(cmd);
//
//            BufferedReader br = new BufferedReader(new InputStreamReader(ps.getInputStream()));
//            log.info("===== br ========: {}", br == null);
//            StringBuffer sb = new StringBuffer();
//            log.info("===== sb ========");
//
//
//        } catch (Exception e) {
//            e.printStackTrace();
//        }
//
//        return result;
//
//    }
}