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12 package com.versant.core.jdo.tools.enhancer.utils;
13
14 import java.util.*;
15 import java.io.*;
16
17 import com.versant.lib.bcel.classfile.*;
18 import com.versant.lib.bcel.generic.*;
19 import com.versant.lib.bcel.Constants;
20 import com.versant.lib.bcel.*;
21 import com.versant.lib.bcel.Repository;
22
23
28 public class FileInfoUtil {
29
30 private ArrayList list = new ArrayList();
31 private ArrayList allClassesList;
32 private String  fileSeparator;
33 private char charfileSeparator;
34
35 public FileInfoUtil() {
36 String paths = System.getProperty("java.class.path");
37 String pathSeparator = System.getProperty("path.separator");
38 fileSeparator = System.getProperty("file.separator");
39 charfileSeparator = fileSeparator.charAt(0);
40 StringTokenizer to = new StringTokenizer(paths,pathSeparator,false);
41 while (to.hasMoreElements()){
42 String path = (String )to.nextElement();
43 if (!path.endsWith(".jar")){
44 list.add(path);
45 }
46 }
47 }
48
49 public void setPath(String [] paths){
50 for (int i = 0; i < paths.length; i++) {
51 list.add(paths[i]);
52 }
53 }
54
55 public List getAllFiles(){
56 Iterator iter = list.iterator();
57 allClassesList = new ArrayList();
58 while (iter.hasNext()){
59 String path = (String )iter.next();
60 File file = new File(path);
61 addFilesToList(file);
62 }
63 return allClassesList;
64 }
65
66 private void addFilesToList(File file){
67 if (file.isFile()){
68 if (file.getName().endsWith(".class")){
69 allClassesList.add(file);
70 }
71 } else {
72 File [] files = file.listFiles();
73 for (int i = 0;i < files.length ;i++){
74 addFilesToList(files[i]);
75 }
76 }
77 }
78
79
87 public File getClassFile(String fullClassName)throws FileNotFoundException{
88 String paths = System.getProperty("java.class.path");
89 String partFileName = fullClassName.replace('.',charfileSeparator);
90 String partFile = fileSeparator+partFileName+".class";
91 Iterator iter = list.iterator();
92 while (iter.hasNext()){
93 String testPath = (String )iter.next();
94 File testFile = new File(testPath+partFile);
95 if (testFile.exists()){
96 return testFile;
97 }
98 }
99
100 throw new FileNotFoundException("The following class was not found on class path : "+
101 fullClassName+"\nCommon error is that your class path was not set properly");
102 }
103
104
112 public File getResourceFile(String resourceFile)throws FileNotFoundException{
113
114 String partFile = fileSeparator+resourceFile;
115 Iterator iter = list.iterator();
116 while (iter.hasNext()){
117 String testPath = (String )iter.next();
118 File testFile = new File(testPath+partFile);
119 if (testFile.exists()){
120 return testFile;
121 }
122 }
123
124
125
126 throw new FileNotFoundException("The following resource was not found on class path : "+
127 resourceFile+"\nCommon error is that your class path was not set properly");
128 }
129 public boolean classExists(String clazz) throws ClassNotFoundException {
130 JavaClass javaClass = Repository.lookupClass(clazz);
131 if (javaClass != null)return true;
132 return false;
133
134 }
135
136 }
137 |
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