1 package com.niu.jit;
2
3 import java.io.BufferedReader;
4 import java.io.File;
5 import java.io.InputStreamReader;
6 import java.util.ArrayList;
7 import java.util.Enumeration;
8 import java.util.List;
9 import java.util.zip.ZipEntry;
10 import java.util.zip.ZipFile;
11
12 /**
13 * 寻找指定路径下jar包中含特定字符串的文件 15 */
16 public class FindStrInJar {
17
18 public String condition; //查询的条件
19
20 public ArrayList<String> jarFiles = new ArrayList<String>();
21
22 public FindStrInJar() {
23 }
24
25 public FindStrInJar(String condition) {
26 this.condition = condition;
27 }
28
29 public FindStrInJar(String condition, String exclude) {
30 this.condition = condition;
31 }
32
33 public void setCondition(String condition) {
34 this.condition = condition;
35 }
36
37 public List<String> find(String dir, boolean recurse) {
38 searchDir(dir, recurse);
39 return this.jarFiles;
40 }
41
42 public List<String> getFilenames() {
43 return this.jarFiles;
44 }
45
46 protected String getClassName(ZipEntry entry) {
47 StringBuffer className = new StringBuffer(entry.getName().replace("/", "."));
48 return className.toString();
49 }
50
51 @SuppressWarnings("unchecked")
52 protected void searchDir(String dir, boolean recurse) {
53 try {
54 File d = new File(dir);
55 if (!d.isDirectory()) {
56 return;
57 }
58 File[] files = d.listFiles();
59 for (int i = 0; i < files.length; i++) {
60 if (recurse && files[i].isDirectory()) {
61 searchDir(files[i].getAbsolutePath(), true);
62 } else {
63 String filename = files[i].getAbsolutePath();
64 if (filename.endsWith(".jar")||filename.endsWith(".zip")) {
65 ZipFile zip = new ZipFile(filename);
66 Enumeration entries = zip.entries();
67 while (entries.hasMoreElements()) {
68 ZipEntry entry = (ZipEntry) entries.nextElement();
69 String thisClassName = getClassName(entry);
70
71 //不搜索扩展名为.class的文件
72 // if(thisClassName.lastIndexOf(".class")==-1){
73 BufferedReader r = new BufferedReader(new InputStreamReader(zip.getInputStream(entry)));
74 while(r.read()!=-1){
75 String tempStr = r.readLine();
76 if(null!=tempStr && tempStr.indexOf(condition)>-1){
77 this.jarFiles.add(filename + " ---> " + thisClassName);
78 break;
79 }
80 }
81 // }
82
83 }
84 }
85 }
86 }
87 } catch (Exception e) {
88 e.printStackTrace();
89 }
90 }
91
92 public static void main(String args[]) {
93 FindStrInJar findInJar = new FindStrInJar("神秘字符串"); //要寻找的字符串
94 List<String> jarFiles = findInJar.find("D:\\test\\lib", true);
95 if (jarFiles.size() == 0) {
96 System.out.println("Not Found");
97 } else {
98 for (int i = 0; i < jarFiles.size(); i++) {
99 System.out.println(jarFiles.get(i));
100 }
101 }
102 }
103
104 }
