1 /**
2 * Copyright 2005-2012 The Kuali Foundation
3 *
4 * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
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 org.kuali.rice.kew.role;
17
18 import org.kuali.rice.kew.engine.RouteContext;
19
20 import java.util.Collections;
21 import java.util.HashMap;
22 import java.util.List;
23 import java.util.Map;
24
25 /**
26 * Implementation of the Null Object Pattern for QualiferResolvers. Returns an List with a single empty
27 * Map<String, String> when asked to resolve.
28 *
29 * @author Kuali Rice Team (rice.collab@kuali.org)
30 *
31 */
32 public class NullQualifierResolver implements QualifierResolver {
33
34 public List<Map<String, String>> resolve(RouteContext context) {
35 return Collections.<Map<String, String>>singletonList(new HashMap<String, String>());
36 }
37
38 }