1 package getMethod;
2 import java.io.*;
3 import java.util.*;
4 import java.util.regex.Matcher;
5 import java.util.regex.Pattern;
6
7
8 public class GM{
9
10 public static void main(String[] args) throws Exception{
11 //获取目录下的文件
12 String dir="F:\project-cif";
13 File root=new File(dir);
14 //File[] files = root.listFiles();
15 List<String> funs=new ArrayList<String>();
16 //递归获取文件夹下所有的。java文件
17 File[] files =new File[1000] ;
18 List<File> allFiles=null;
19 Map<String,Integer> map=new HashMap<String,Integer>();
20 try {
21 allFiles=showAllFiles(root);
22 }
23 catch (Exception e) {
24 // TODO Auto-generated catch block
25 e.printStackTrace();
26 }
27
28 for(int i=0;i<allFiles.size();i++){
29 //System.out.println(allFiles.get(i));
30 files[i]=allFiles.get(i);
31 }
32 for(File file:files){
33
34
35 if(file!= null){
36 //System.out.println(file+"文件中的方法如下：");
37 //funs.add(file.getAbsolutePath()+"文件中的方法如下：");
38 //创建用于读取的类
39 //File a=new File(file.getAbsolutePath());
40 //FileInputStream b=new FileInputStream(a);
41 BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(new File(file.getAbsolutePath()))));
42
43
44
45 //对文件中每行进行遍历
46 for (String line = br.readLine(); line != null; line = br.readLine()) {
47
48 //对每行进行正则匹配
49 Pattern reg=Pattern.compile("^public[\s\w]+[^(class)]");
50 //对line进行去空格处理trim()
51 Matcher m=reg.matcher(line.trim());
52 if(m.find()){
53 //1.截取字符串
54
55 String methodName=getMethodName(line);
56
57
58 //对字符串进行处理
59 Pattern reg1=Pattern.compile("void");
60 Pattern reg2=Pattern.compile("\(");
61 Matcher n1=reg1.matcher(line.trim());
62 Matcher n2=reg2.matcher(line.trim());
63 if(n1.find()){
64 //System.out.println(line.trim().substring(0,line.trim().length())+"");
65 // funs.add(line.trim().substring(0,line.trim().length())+"");
66 map.put(line.trim().substring(0,line.trim().length()-1), 0);
67 }
68 else if(n2.find()){
69 //System.out.println(line.trim().substring(0,line.trim().length())+"");
70 //funs.add(line.trim().substring(0,line.trim().length())+"");
71 map.put(line.trim().substring(0,line.trim().length()-1), 0);
72 }
73
74 //将找到的存到funs
75 //funs.add(line);
76
77
78
79 //此处将截取方法名字段放入map中
80
81
82
83 //2.将method,total放入map
84
85
86
87 }
88 }
89
90
91
92
93 br.close();
94
95 } //String line=file.readLine();
96 }
97 for(File file:files){
98 if(file!= null){
99
100
101
102 //对文件中每行进行遍历
103 for(Map.Entry<String, Integer> entry:map.entrySet()){
104 BufferedReader br1 = new BufferedReader(new InputStreamReader(new FileInputStream(new File(file.getAbsolutePath()))));
105
106
107 //System.out.println(entry.getValue()+"keyxxxxxxx"+entry.getKey());
108
109 //System.out.println(br.readLine()+"");
110 //System.out.println(br1.readLine()+"");
111
112 for (String line1 = br1.readLine(); line1 != null; line1 = br1.readLine()) {
113 //Pattern reg3=Pattern.compile(entry.getKey().substring(0,entry.getKey().length()-1)+"\(");
114 //Matcher n3=reg3.matcher(line1.trim());
115 if(line1.contains(getMethodName(entry.getKey()))){
116 map.put(entry.getKey(),entry.getValue()+1);
117 //System.out.println("xxxxxxxxxxxxx");
118 }
119 //System.out.println(entry.getValue()+"keyyyyyyyyyyyyyy"+entry.getKey()+entry.getKey().substring(0,entry.getKey().length()-1));
120 }
121
122 br1.close();
123
124
125 }
126
127
128 }
129
130 }
131 for(Map.Entry<String, Integer> entry:map.entrySet()){
132 System.out.println("方法为"+entry.getKey()+"出现次数为"+entry.getValue());
133
134 }
135 File funsfilecsv=new File("e:\read\funs-cif.csv");
136 if(!funsfilecsv.exists()){
137 funsfilecsv.createNewFile();
138 }
139 FileWriter fileWritter = new FileWriter(funsfilecsv.getAbsolutePath());
140 BufferedWriter bufferWritter = new BufferedWriter(fileWritter);
141 /*for(int i1=0;i1<funs.size();i1++){
142 //System.out.println(funs.get(i1));
143 bufferWritter.write("""+funs.get(i1).toString()+"""+"
");
144 }*/
145 for(Map.Entry<String, Integer> entry:map.entrySet()){
146 bufferWritter.write("""+entry.getKey()+"""+","+entry.getValue()+"
");
147 }
148 bufferWritter.close();
149 }
150 public static List<File> resultfs=new ArrayList<File>();
151 public static List<File> showAllFiles(File dir) throws Exception{
152 File[] fs = dir.listFiles();
153
154 for(int i=0; i<fs.length; i++){
155 //System.out.println(fs[i].getAbsolutePath());
156 if(fs[i].isDirectory()){
157 try{
158 showAllFiles(fs[i]);
159 }catch(Exception e){}
160 }else if(fs[i].getName().endsWith(".java")){
161 resultfs.add(fs[i]);
162
163 }
164 }
165 //Object[] files=resultfs.toArray();
166 // System.out.println(files);
167 //res=resultfs;
168
169 /*for(int i=0;i<resultfs.size();i++){
170 System.out.println(resultfs.get(i));
171 }*/
172 return resultfs;
173
174
175 }
176 public static String getMethodName(String str){
177 String[] s=str.trim().split(" ");
178 String result="";
179 for(String a:s){
180 //System.out.println(a);
181 Pattern reg=Pattern.compile("\(");
182 Matcher b=reg.matcher(a);
183 if(b.find()){
184 //System.out.println(a);
185 String[] s1=a.trim().split("\(");
186 //System.out.println(s1[0]+"(");
187 result= s1[0]+"(";
188
189 }
190 }return result;
191 }
192 }
