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Java > Open Source Codes > edu > rice > cs > drjava > model > BrainClassLoader


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13  * documentation files (the "Software"), to deal with the Software without restriction, including without limitation
14  * the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and
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33
34 package edu.rice.cs.drjava.model;
35
36 import java.lang.ClassLoader JavaDoc;
37 import java.net.URL JavaDoc;
38
39 import edu.rice.cs.drjava.model.repl.WrapperClassLoader;
40
41
42 public class BrainClassLoader extends ClassLoader JavaDoc {
43   
44   ClassLoader JavaDoc projectCL;
45   ClassLoader JavaDoc buildCL;
46   ClassLoader JavaDoc projectFilesCL;
47   ClassLoader JavaDoc externalFilesCL;
48   ClassLoader JavaDoc extraCL;
49   ClassLoader JavaDoc systemCL;
50   
51   public BrainClassLoader(ClassLoader JavaDoc p, ClassLoader JavaDoc b, ClassLoader JavaDoc pf, ClassLoader JavaDoc ef, ClassLoader JavaDoc e) {
52     projectCL = p;
53     buildCL = b;
54     projectFilesCL = pf;
55     externalFilesCL = ef;
56     extraCL = e;
57     systemCL = new WrapperClassLoader(this.getClass().getClassLoader().getSystemClassLoader());
58   }
59   
60   /** Handles getting the resource for loading a class. */
61   public URL JavaDoc getResource(String JavaDoc name) {
62     URL JavaDoc resource = projectCL.getResource(name);
63     if (resource != null) return resource;
64     
65     resource = buildCL.getResource(name);
66     if (resource != null) return resource;
67     
68     resource = projectFilesCL.getResource(name);
69     if (resource != null) return resource;
70     
71     resource = externalFilesCL.getResource(name);
72     if (resource != null) return resource;
73     
74     resource = extraCL.getResource(name);
75     if (resource != null) return resource;
76
77     resource = systemCL.getResource(name);
78     if (resource != null) return resource;
79
80     return resource;
81   }
82 }
83
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