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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.ote.core;
import java.net.URL;
import java.net.URLClassLoader;
import java.net.URLStreamHandlerFactory;
import java.util.logging.Level;
import org.eclipse.osee.framework.logging.OseeLog;
import org.eclipse.osee.framework.plugin.core.util.ExportClassLoader;
/**
* @author Andrew M. Finkbeiner
*/
public class OseeURLClassLoader extends URLClassLoader {
private final String name;
private final ExportClassLoader exportClassLoader;
public OseeURLClassLoader(String name, URL[] urls, ClassLoader parent) {
super(urls, parent);
this.name = name;
GCHelper.getGCHelper().addRefWatch(this);
exportClassLoader = ExportClassLoader.getInstance();
}
public OseeURLClassLoader(String name, URL[] urls) {
super(urls);
GCHelper.getGCHelper().addRefWatch(this);
this.name = name;
exportClassLoader = ExportClassLoader.getInstance();
}
public OseeURLClassLoader(String name, URL[] urls, ClassLoader parent, URLStreamHandlerFactory factory) {
super(urls, parent, factory);
GCHelper.getGCHelper().addRefWatch(this);
this.name = name;
exportClassLoader = ExportClassLoader.getInstance();
}
@Override
public Class<?> loadClass(String clazz) throws ClassNotFoundException{
try {
return exportClassLoader.loadClass(clazz);
} catch (Exception ex2) {
int timesTriedToLoad = 0;
while(timesTriedToLoad < 10){
try {
return super.loadClass(clazz);
} catch (ClassNotFoundException ex) {
System.out.println("Retrying to load from OseeURLClassLoader for class = "+ clazz);
timesTriedToLoad++; //Try to load again
try {
Thread.sleep(1);
} catch (InterruptedException ex1) {
OseeLog.log(OseeURLClassLoader.class, Level.SEVERE, ex1.toString(), ex1);
}
}
}
throw new ClassNotFoundException("Class = " + clazz);
}
}
@Override
public String toString() {
return this.getClass().getName() + " [ " + name + " ] ";
}
}
|
