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03: * Copyright (c) 2001-2007, JavaPLT group at Rice University (javaplt@rice.edu)
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36:
37: package edu.rice.cs.util.classloader;
38:
39: import java.net.URL;
40: import java.net.URLClassLoader;
41:
42: /**
43: * A class loader that only loads resources from the given URLs,
44: * and never from the system class loader or bootclasspath.
45: * Designed to be used in conjunction with a StickyClassLoader
46: * to ensure that classes are loaded from the URLs before anywhere
47: * else.
48: *
49: * A regular URLClassLoader first looks at its parent, then looks
50: * at the bootclasspath, and only looks at the given URLs if the
51: * class or resource couldn't be found in the other two.
52: *
53: * @version $Id: StrictURLClassLoader.java 4255 2007-08-28 19:17:37Z mgricken $
54: */
55: public class StrictURLClassLoader extends URLClassLoader {
56:
57: /**
58: * Creates a StrictURLClassLoader
59: * @param urls List of URLs to use to load classes.
60: */
61: public StrictURLClassLoader(URL[] urls) {
62: // Make sure this class loader has no parent
63: super (urls, null);
64: }
65:
66: /**
67: * Override getResource to not look at bootclasspath.
68: */
69: public URL getResource(String name) {
70: return findResource(name);
71: }
72: }
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