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5    * regarding copyright ownership.  The ASF licenses this file   *
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7    * "License"); you may not use this file except in compliance   *
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17   * under the License.                                           *
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19  
20  package org.apache.jsieve.commands.optional;
21  
22  import java.util.ListIterator;
23  
24  import org.apache.jsieve.Arguments;
25  import org.apache.jsieve.Block;
26  import org.apache.jsieve.SieveContext;
27  import org.apache.jsieve.StringListArgument;
28  import org.apache.jsieve.commands.AbstractActionCommand;
29  import org.apache.jsieve.exception.SieveException;
30  import org.apache.jsieve.mail.Action;
31  import org.apache.jsieve.mail.ActionFileInto;
32  import org.apache.jsieve.mail.MailAdapter;
33  
34  /**
35   * Class FileInto implements the FileInto Command as defined in RFC 3028,
36   * section 4.2.
37   */
38  public class FileInto extends AbstractActionCommand {
39  
40      /**
41       * Constructor for Require.
42       */
43      public FileInto() {
44          super();
45      }
46  
47      /**
48       * <p>
49       * Add an ActionFileInto to the List of Actions to be performed passing the
50       * sole StringList argument as the destination. RFC 3028 mandates that there
51       * should be only one FileInto per destination. If this is a duplicate, this
52       * Command is silently ignored.
53       * </p>
54       * <p>
55       * Also,
56       * 
57       * @see org.apache.jsieve.commands.AbstractCommand#executeBasic(MailAdapter,
58       *      Arguments, Block, SieveContext)
59       *      </p>
60       */
61      protected Object executeBasic(MailAdapter mail, Arguments arguments,
62              Block block, SieveContext context) throws SieveException {
63          String destination = (String) ((StringListArgument) arguments
64                  .getArgumentList().get(0)).getList().get(0);
65  
66          // Only one fileinto per destination allowed, others should be
67          // discarded
68          ListIterator actionsIter = mail.getActionsIterator();
69          boolean isDuplicate = false;
70          while (actionsIter.hasNext()) {
71              Action action = (Action) actionsIter.next();
72              isDuplicate = (action instanceof ActionFileInto)
73                      && (((ActionFileInto) action).getDestination()
74                              .equals(destination));
75          }
76  
77          if (!isDuplicate)
78              mail.addAction(new ActionFileInto(destination));
79  
80          return null;
81      }
82  
83      /**
84       * @see org.apache.jsieve.commands.AbstractCommand#validateArguments(Arguments,
85       *      SieveContext)
86       */
87      protected void validateArguments(Arguments arguments, SieveContext context)
88              throws SieveException {
89          validateSingleStringArguments(arguments, context);
90      }
91  
92  }