01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package org.apache.jetspeed.decoration.validators;
18:
19: import org.apache.jetspeed.decoration.ResourceValidator;
20:
21: /**
22: * This implementation uses <code>ClassLoader.getResource()</code> to
23: * validate the existence of a resource.
24: *
25: * @author <href a="mailto:weaver@apache.org">Scott T. Weaver</a>
26: *
27: */
28: public class ClasspathResourceValidator implements ResourceValidator {
29: private ClassLoader classLoader;
30:
31: public ClasspathResourceValidator(ClassLoader classLoader) {
32: this .classLoader = classLoader;
33: }
34:
35: public ClasspathResourceValidator() {
36: this (ClasspathResourceValidator.class.getClassLoader());
37: }
38:
39: public boolean resourceExists(String path) {
40: return classLoader.getResource(path) != null;
41: }
42:
43: }
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