1 /*
2 * Copyright 2011-2013 smartics, Kronseder & Reiner GmbH
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package de.smartics.util.lang.classpath;
17
18 import java.util.Collections;
19 import java.util.List;
20
21 /**
22 * Supports listing of class path elements for protocols <code>jar</code> and
23 * <code>file</code>.
24 */
25 public final class JarAndFileClassPathListing implements ClassPathListing
26 {
27 // ********************************* Fields *********************************
28
29 // --- constants ------------------------------------------------------------
30
31 // --- members --------------------------------------------------------------
32
33 // ****************************** Initializer *******************************
34
35 // ****************************** Constructors ******************************
36
37 // ****************************** Inner Classes *****************************
38
39 // ********************************* Methods ********************************
40
41 // --- init -----------------------------------------------------------------
42
43 // --- get&set --------------------------------------------------------------
44
45 // --- business -------------------------------------------------------------
46
47 @Override
48 public List<String> list(final ClassPathContext context,
49 final String resourcePath) throws NullPointerException,
50 IllegalArgumentException
51 {
52 try
53 {
54 final ClassPathDirectoryListing delegate =
55 new ClassPathDirectoryListing(context);
56 return delegate.list(resourcePath);
57 }
58 catch (final IllegalArgumentException e)
59 {
60 return Collections.emptyList();
61 }
62 }
63
64 // --- object basics --------------------------------------------------------
65
66 }