blob: e3d597efb94b924ae0b76213b50fa135e5d4f0c9 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
package cbt;
import java.io.*;
import java.net.*;
import java.util.*;
import static cbt.Stage0Lib.*;
import java.util.concurrent.ConcurrentHashMap;
public class CbtURLClassLoader extends java.net.URLClassLoader{
public String toString(){
return (
super.toString()
+ "(\n "
+ Arrays.toString(getURLs())
+ ",\n "
+ join("\n ",(getParent() == null?"":getParent().toString()).split("\n"))
+ "\n)"
);
}
JavaCache<Class> cache = new JavaCache<Class>( new ConcurrentHashMap<Object,Object>() );
public Class loadClass(String name) throws ClassNotFoundException{
Class _class = super.loadClass(name);
if(_class == null) throw new ClassNotFoundException(name);
else return _class;
}
public Class loadClass(String name, Boolean resolve) throws ClassNotFoundException{
//System.out.println("loadClass("+name+") on \n"+this);
if(!cache.contains(name))
try{
cache.put(super.loadClass(name, resolve), name);
} catch (ClassNotFoundException e){
cache.put(Object.class, name);
}
Class _class = cache.get(name);
if(_class == Object.class){
if( name == "java.lang.Object" )
return Object.class;
else return null;
} else {
return _class;
}
}
void assertExist(URL[] urls){
for(URL url: urls){
if(!new File(url.getPath()).exists()){
throw new AssertionError("File does not exist when trying to create CbtURLClassLoader: "+url);
}
}
}
public CbtURLClassLoader(URL[] urls, ClassLoader parent){
super(urls, parent);
assertExist(urls);
}
public CbtURLClassLoader(URL[] urls){
super(urls, null);
assertExist(urls);
}
}
|
