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1
4 package com.tc.object.tools;
5
6 import java.io.ByteArrayOutputStream  ;
7 import java.io.IOException ;
8 import java.io.InputStream ;
9
10 public class ClassLoaderBytesProvider implements ClassBytesProvider {
11
12 private final ClassLoader source;
13
14 public ClassLoaderBytesProvider(ClassLoader source) {
15 this.source = source;
16 }
17
18 public byte[] getBytesForClass(String className) throws ClassNotFoundException {
19 String resource = BootJar.classNameToFileName(className);
20
21 InputStream is = source.getResourceAsStream(resource);
22 if (is == null) { throw new ClassNotFoundException ("No resource found for class: " + className); }
23 final int size = 4096;
24 byte[] buffer = new byte[size];
25 ByteArrayOutputStream baos = new ByteArrayOutputStream (size);
26
27 int read;
28 try {
29 while ((read = is.read(buffer, 0, size)) > 0) {
30 baos.write(buffer, 0, read);
31 }
32 } catch (IOException ioe) {
33 throw new ClassNotFoundException ("Error reading bytes for " + resource, ioe);
34 } finally {
35 if (is != null) {
36 try {
37 is.close();
38 } catch (IOException ioe) {
39 }
41 }
42 }
43
44 return baos.toByteArray();
45 }
46
47 }
48 |
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