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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.components.portletregistry;
18  
19  
20  /***
21   * <p>Helper class for the portlet registry.</p>
22   * @author <a href="dlestrat@apache.org">David Le Strat</a>
23   */
24  public class PortletRegistryHelper
25  {
26  
27      /***
28       * <p>Parses the portlet application name from the portlet
29       * unique name.</p>
30       * @param uniqueName The portlet unique name.
31       */
32      public static String parseAppName(String uniqueName)
33      {
34          int split = splitUniqueName(uniqueName);
35          return uniqueName.substring(0, split);
36      }
37  
38      /***
39       * <p>Parses the portlet name from the portlet
40       * unique name.</p>
41       * @param uniqueName The portlet unique name.
42       */
43      public static String parsePortletName(String uniqueName)
44      {
45          int split = splitUniqueName(uniqueName);
46          return uniqueName.substring((split + 2), uniqueName.length());
47      }
48  
49      /***
50       * <p>Utility method to split the unique name given the
51       * PORTLET_UNIQUE_NAME_SEPARATOR.</p>
52       * @param uniqueName
53       * @return
54       */
55      private static int splitUniqueName(String uniqueName)
56      {
57          int split = 0;
58          if (null != uniqueName)
59          {
60              split = uniqueName.indexOf(PersistenceBrokerPortletRegistry.PORTLET_UNIQUE_NAME_SEPARATOR);
61          }
62          if (split < 1)
63          {
64              throw new IllegalArgumentException(
65                  "The unique portlet name, \""
66                      + uniqueName
67                      + "\";  is not well formed.  No "
68                      + PersistenceBrokerPortletRegistry.PORTLET_UNIQUE_NAME_SEPARATOR
69                      + " delimiter was found.");
70          }
71          return split;
72      }
73  
74  }