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1   /* ***************************************************************************
2    * Copyright (c) 2012 Brabenetz Harald, Austria.
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   *****************************************************************************/
17  
18  package org.settings4j.settings.position;
19  
20  import java.util.List;
21  
22  import org.settings4j.Connector;
23  import org.settings4j.ConnectorPosition;
24  
25  
26  /**
27   * Iterates thought the existing connectors and return the position after the last occurrence of the given
28   * Connector-class.
29   * 
30   * @author brabenetz
31   *
32   */
33  public class ConnectorPositionAfterLastClass implements ConnectorPosition {
34  
35      private final Class<? extends Connector> connectorClass;
36  
37      /**
38       * @param connectorClass the connector class to search in the given connectors list.
39       */
40      public ConnectorPositionAfterLastClass(final Class<? extends Connector> connectorClass) {
41          super();
42          this.connectorClass = connectorClass;
43      }
44  
45      /** {@inheritDoc} */
46      public int getPosition(final List<Connector> connectors) {
47          int pos = 0;
48          int lastPos = UNKNOWN_POSITION;
49          for (final Connector connector : connectors) {
50              pos++;
51              if (connectorClass.equals(connector.getClass())) {
52                  lastPos = pos;
53              }
54          }
55          return lastPos;
56      }
57  
58  }