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package org.apache.jsieve.commands;
import org.apache.jsieve.Arguments;
import org.apache.jsieve.Block;
import org.apache.jsieve.ConditionManager;
import org.apache.jsieve.SieveContext;
import org.apache.jsieve.TestList;
import org.apache.jsieve.exception.SieveException;
import org.apache.jsieve.mail.MailAdapter;
/**
* Class If implements the If Command as defined in RFC 3028, section 3.1.
*/
public class If extends AbstractConditionalCommand {
/**
* Constructor for If.
*/
public If() {
super();
}
/**
* <p>
* Conditionally eexecute a Block if an If Condition is allowed and
* runnable.
* </p>
* <p>
* Also,
*
* @see org.apache.jsieve.commands.AbstractCommand#executeBasic(MailAdapter,
* Arguments, Block, SieveContext)
* </p>
*/
protected Object executeBasic(MailAdapter mail, Arguments arguments,
Block block, SieveContext context) throws SieveException {
// Check Syntax
if (!ConditionManager.getInstance().isIfAllowed())
throw context.getCoordinate().commandException(
"Unexpected Command: \"if\".");
// Check Runnable
if (!ConditionManager.getInstance().isIfRunnable())
return Boolean.FALSE;
// Run the tests
Boolean isTestPassed = (Boolean) arguments.getTestList().execute(mail);
// If the tests answered TRUE, execute the Block
if (isTestPassed.booleanValue())
execute(mail, block);
// Update the ConditionManager
ConditionManager.getInstance().setIfTestResult(
isTestPassed.booleanValue());
// Return the result
return isTestPassed;
}
/**
* @see org.apache.jsieve.commands.AbstractCommand#validateArguments(Arguments,
* SieveContext)
*/
protected void validateArguments(Arguments arguments, SieveContext context)
throws SieveException {
TestList testList = arguments.getTestList();
if (null == testList || testList.getTests().isEmpty())
throw context.getCoordinate().syntaxException("Expecting a Test");
}
}