合并分支工具类

  1 import java.io.*;
  2 import java.util.*;
  3
  4 /**
  5  * Created by Administrator on 2017/6/12.
  6  */
  7 public class PatchTool {
  8
  9     //1.读取配置文件
 10
 11     //2.在配置文件中配置本地文件路径前缀
 12
 13     //3.读取文件路径列表
 14
 15     //4.在输出文件夹生成相应的文件夹结构
 16
 17     public static final String CONFIG_PATH = "patch.properties";
 18
 19     public static final String KEY_WORKSPACE_PATH =  "WORKSPACE_PATH";
 20
 21     public static final String KEY_OUTPUT_PATH = "OUTPUT_PATH";
 22
 23     public static final String FILE_LIST_NAME = "list.txt";//存放修改过的文件的全路径列表文件
 24     /**
 25      * 1.读取配置文件
 26      */
 27     public static Map<String,String> getProperties()  {
 28         Properties p = new Properties();
 29         Map<String,String> config = null;
 30         try {
 31             p.load(new BufferedInputStream(new FileInputStream(new File(CONFIG_PATH))));
 32             String workSpacePath = p.getProperty(KEY_WORKSPACE_PATH);
 33             String outputPath = p.getProperty(KEY_OUTPUT_PATH);
 34             config = new HashMap<>();
 35             config.put(KEY_OUTPUT_PATH,outputPath);
 36             config.put(KEY_WORKSPACE_PATH,workSpacePath);
 37         } catch (IOException e) {
 38             e.printStackTrace();
 39         }
 40         return config;
 41     }
 42
 43     // 3.读取文件路径列表
 44     public static Set<String> getFilePaths(){
 45         Set<String> fileSets = null;
 46         try {
 47             BufferedReader br = new BufferedReader(new FileReader(new File(FILE_LIST_NAME)));
 48             fileSets = new HashSet<>();
 49             String tmp;
 50             while((tmp = br.readLine())!= null){
 51                 fileSets.add(tmp);
 52             }
 53             br.close();
 54         } catch (FileNotFoundException e) {
 55             e.printStackTrace();
 56         } catch (IOException e) {
 57             e.printStackTrace();
 58         }
 59         return fileSets;
 60     }
 61
 62     // 4.根据文件路径生成文件夹结构
 63     public static boolean createDir(Map<String,String> config,Set<String> fileSets){
 64
 65         String workSpacePath = config.get(KEY_WORKSPACE_PATH);
 66         String outputPath = config.get(KEY_OUTPUT_PATH);
 67
 68         String pathName,fileName,targetFile;
 69         //遍历文件列表
 70         for(String file : fileSets){
 71             pathName = outputPath + File.separator + file.substring(0,file.lastIndexOf(File.separator) + 1);
 72             fileName = workSpacePath + File.separator + file;
 73             targetFile = outputPath + File.separator + file;
 74
 75             File fileDir = new File(pathName);
 76             File f;
 77             if(!fileDir.exists()){
 78                 fileDir.mkdirs();
 79                 f = new File(targetFile);
 80                 if(!f.exists()){
 81                     copyFile(fileName,targetFile);
 82                 }
 83             }
 84
 85         }
 86
 87
 88         return true;
 89     }
 90
 91     public static void copyFile(String oldPath, String newPath) {
 92         try {
 93             int bytesum = 0;
 94             int byteread = 0;
 95             File oldfile = new File(oldPath);
 96             if (oldfile.exists()) { //文件存在时
 97                 InputStream inStream = new FileInputStream(oldPath); //读入原文件
 98                 FileOutputStream fs = new FileOutputStream(newPath);
 99                 byte[] buffer = new byte[1444];
100                 int length;
101                 while ( (byteread = inStream.read(buffer)) != -1) {
102                     bytesum += byteread; //字节数 文件大小
103                     System.out.println(bytesum);
104                     fs.write(buffer, 0, byteread);
105                 }
106                 inStream.close();
107             }
108         }
109         catch (Exception e) {
110             System.out.println("复制单个文件操作出错");
111             e.printStackTrace();
112
113         }
114
115     }
116
117     public static void main(String[] args) throws IOException{
118
119
120        /* File f = new File("a.txt");
121         f.createNewFile();*/
122
123         Map<String,String> config = getProperties();
124         Set<String> fileSets  = getFilePaths();
125
126         createDir(config,fileSets);
127
128     }
129 }