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1   /*
2    * #%L
3    * settings4j
4    * ===============================================================
5    * Copyright (C) 2008 - 2015 Brabenetz Harald, Austria
6    * ===============================================================
7    * Licensed under the Apache License, Version 2.0 (the "License");
8    * you may not use this file except in compliance with the License.
9    * You may obtain a copy of the License at
10   * 
11   *      http://www.apache.org/licenses/LICENSE-2.0
12   * 
13   * Unless required by applicable law or agreed to in writing, software
14   * distributed under the License is distributed on an "AS IS" BASIS,
15   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16   * See the License for the specific language governing permissions and
17   * limitations under the License.
18   * #L%
19   */
20  package org.settings4j.settings.position;
21  
22  import java.util.List;
23  
24  import org.settings4j.Connector;
25  import org.settings4j.ConnectorPosition;
26  
27  /**
28   * Iterates thought the existing connectors and return the position after the last occurrence of the given Connector-class.
29   *
30   * @author brabenetz
31   */
32  public class ConnectorPositionAfterLastClass implements ConnectorPosition {
33  
34      private final Class<? extends Connector> connectorClass;
35  
36      /**
37       * @param connectorClass
38       *        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      @Override
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 (this.connectorClass.equals(connector.getClass())) {
52                  lastPos = pos;
53              }
54          }
55          return lastPos;
56      }
57  
58  }