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 java.net.MalformedURLException;
20:
21: import javax.servlet.ServletContext;
22:
23: import org.apache.jetspeed.decoration.ResourceValidator;
24: import org.springframework.web.context.ServletContextAware;
25:
26: /**
27: * This implementation uses <code>ServletContext.getResource()</code>
28: * to verify the existence of a resource.
29: *
30: * @author <href a="mailto:weaver@apache.org">Scott T. Weaver</a>
31: *
32: */
33: public class WebApplicationResourceValidator implements
34: ResourceValidator, ServletContextAware {
35: private ServletContext servletContext;
36:
37: public boolean resourceExists(String path) {
38: try {
39: return servletContext.getResource(path) != null;
40: } catch (MalformedURLException e) {
41: IllegalArgumentException iae = new IllegalArgumentException(
42: path + " is not a valid path.");
43: iae.initCause(e);
44: throw iae;
45: }
46: }
47:
48: public void setServletContext(ServletContext servletContext) {
49: this.servletContext = servletContext;
50:
51: }
52:
53: }
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