1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * 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 {
30 private ClassLoader classLoader;
31
32 public ClasspathResourceValidator(ClassLoader classLoader)
33 {
34 this.classLoader = classLoader;
35 }
36
37 public ClasspathResourceValidator()
38 {
39 this(ClasspathResourceValidator.class.getClassLoader());
40 }
41
42 public boolean resourceExists(String path)
43 {
44 return classLoader.getResource(path) != null;
45 }
46
47 }