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1   /****************************************************************
2    * Licensed to the Apache Software Foundation (ASF) under one   *
3    * or more contributor license agreements.  See the NOTICE file *
4    * distributed with this work for additional information        *
5    * regarding copyright ownership.  The ASF licenses this file   *
6    * to you under the Apache License, Version 2.0 (the            *
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 org.apache.jsieve.Arguments;
23  import org.apache.jsieve.Block;
24  import org.apache.jsieve.SieveContext;
25  import org.apache.jsieve.StringListArgument;
26  import org.apache.jsieve.commands.AbstractActionCommand;
27  import org.apache.jsieve.exception.SieveException;
28  import org.apache.jsieve.mail.Action;
29  import org.apache.jsieve.mail.ActionFileInto;
30  import org.apache.jsieve.mail.MailAdapter;
31  
32  /**
33   * Class FileInto implements the FileInto Command as defined in RFC 3028,
34   * section 4.2.
35   */
36  public class FileInto extends AbstractActionCommand {
37  
38      /**
39       * Constructor for Require.
40       */
41      public FileInto() {
42          super();
43      }
44  
45      /**
46       * <p>
47       * Add an ActionFileInto to the List of Actions to be performed passing the
48       * sole StringList argument as the destination. RFC 3028 mandates that there
49       * should be only one FileInto per destination. If this is a duplicate, this
50       * Command is silently ignored.
51       * </p>
52       * <p>
53       * Also,
54       * 
55       * @see org.apache.jsieve.commands.AbstractCommand#executeBasic(MailAdapter,
56       *      Arguments, Block, SieveContext)
57       *      </p>
58       */
59      protected Object executeBasic(MailAdapter mail, Arguments arguments,
60              Block block, SieveContext context) throws SieveException {
61          final String destination = ((StringListArgument) arguments
62                  .getArgumentList().get(0)).getList().get(0);
63  
64          // Only one fileinto per destination allowed, others should be
65          // discarded
66          boolean isDuplicate = false;
67          for (final Action action: mail.getActions()) {
68              isDuplicate = (action instanceof ActionFileInto)
69                      && (((ActionFileInto) action).getDestination()
70                              .equals(destination));
71              if (isDuplicate) {
72                  break;
73              }
74          }
75  
76          if (!isDuplicate)
77              mail.addAction(new ActionFileInto(destination));
78  
79          return null;
80      }
81  
82      /**
83       * @see org.apache.jsieve.commands.AbstractCommand#validateArguments(Arguments,
84       *      SieveContext)
85       */
86      protected void validateArguments(Arguments arguments, SieveContext context)
87              throws SieveException {
88          validateSingleStringArguments(arguments, context);
89      }
90  
91  }