e55cf9b69a8a4f49302a457b05101a624d7bb9da
[james-jsieve.git] / core / src / main / java / org / apache / jsieve / commands / Discard.java
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 *
8 * with the License. You may obtain a copy of the License at *
9 * *
10 * http://www.apache.org/licenses/LICENSE-2.0 *
11 * *
12 * Unless required by applicable law or agreed to in writing, *
13 * software distributed under the License is distributed on an *
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY *
15 * KIND, either express or implied. See the License for the *
16 * specific language governing permissions and limitations *
17 * under the License. *
18 ****************************************************************/
19
20 package org.apache.jsieve.commands;
21
22 import org.apache.jsieve.Arguments;
23 import org.apache.jsieve.Block;
24 import org.apache.jsieve.SieveContext;
25 import org.apache.jsieve.exception.SieveException;
26 import org.apache.jsieve.mail.MailAdapter;
27
28 /**
29 * Class Discard implements the Discard Command as defined in RFC 3028, section
30 * 4.5.
31 */
32 public class Discard extends AbstractActionCommand {
33
34 /**
35 * Constructor for Discard.
36 */
37 public Discard() {
38 super();
39 }
40
41 /**
42 * <p>
43 * Discard silently discards a Mail by cancelling the implicit keep as
44 * specified in RFC 3028, Section 4.5.
45 * </p>
46 * <p>
47 *
48 * @see org.apache.jsieve.commands.AbstractCommand#executeBasic(MailAdapter,
49 * Arguments, Block, SieveContext)
50 * </p>
51 */
52 protected Object executeBasic(MailAdapter mail, Arguments arguments,
53 Block block, SieveContext context) throws SieveException {
54 // Just cancels the implicit keep
55 // See http://tools.ietf.org/html/rfc5228#section-4.4
56 context.getCommandStateManager().setImplicitKeep(false);
57 return null;
58 }
59
60 }