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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.TestList;
26 import org.apache.jsieve.exception.SieveException;
27 import org.apache.jsieve.mail.MailAdapter;
28
29 /**
30 * Class Elsif implements the Elsif Command as defined in RFC 3028, section 3.1.
31 */
32 public class Elsif extends AbstractConditionalCommand {
33
34 /**
35 * Constructor for Elsif.
36 */
37 public Elsif() {
38 super();
39 }
40
41 /**
42 * <p>
43 * Conditionally eexecute a Block if an Elsif Condition is allowed and
44 * runnable.
45 * </p>
46 * <p>
47 * Also,
48 *
49 * @see org.apache.jsieve.commands.AbstractCommand#executeBasic(MailAdapter,
50 * Arguments, Block, SieveContext)
51 * </p>
52 */
53 protected Object executeBasic(MailAdapter mail, Arguments arguments,
54 Block block, SieveContext context) throws SieveException {
55 // Check Syntax
56 if (!context.getConditionManager().isElsifAllowed())
57 throw context.getCoordinate().commandException(
58 "Unexpected Command: \"elsif\".");
59
60 // Check Runnable
61 if (!context.getConditionManager().isElsifRunnable())
62 return Boolean.FALSE;
63
64 // Run the tests
65 Boolean isTestPassed = (Boolean) arguments.getTestList().execute(mail,
66 context);
67
68 // If the tests answered TRUE, execute the Block
69 if (isTestPassed.booleanValue())
70 execute(mail, block, context);
71
72 // Update the ConditionManager
73 context.getConditionManager().setElsifTestResult(
74 isTestPassed.booleanValue());
75
76 // Return the result
77 return isTestPassed;
78 }
79
80 /**
81 * @see org.apache.jsieve.commands.AbstractCommand#validateArguments(Arguments,
82 * SieveContext)
83 */
84 protected void validateArguments(Arguments arguments, SieveContext context)
85 throws SieveException {
86 TestList testList = arguments.getTestList();
87 if (null == testList || testList.getTests().isEmpty())
88 throw context.getCoordinate().syntaxException("Expecting a Test");
89 }
90
91 }