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package org.apache.james.imap.decode.parser;
import org.apache.james.imap.api.ImapCommand;
import org.apache.james.imap.api.ImapConstants;
import org.apache.james.imap.api.ImapMessage;
import org.apache.james.imap.api.display.HumanReadableText;
import org.apache.james.imap.api.process.ImapSession;
import org.apache.james.imap.decode.DelegatingImapCommandParser;
import org.apache.james.imap.decode.ImapCommandParser;
import org.apache.james.imap.decode.ImapCommandParserFactory;
import org.apache.james.imap.decode.ImapRequestLineReader;
import org.apache.james.imap.decode.DecodingException;
import org.apache.james.imap.decode.base.AbstractImapCommandParser;
/**
* Parse UID commands
*/
public class UidCommandParser extends AbstractImapCommandParser implements DelegatingImapCommandParser {
private ImapCommandParserFactory parserFactory;
public UidCommandParser() {
super(ImapCommand.selectedStateCommand(ImapConstants.UID_COMMAND_NAME));
}
/**
* @see org.apache.james.imap.decode.DelegatingImapCommandParser#getParserFactory()
*/
public ImapCommandParserFactory getParserFactory() {
return parserFactory;
}
/**
* @see org.apache.james.imap.decode.DelegatingImapCommandParser#setParserFactory(org.apache.james.imap.decode.imap4rev1.Imap4Rev1CommandParserFactory)
*/
public void setParserFactory(ImapCommandParserFactory imapCommandFactory) {
this.parserFactory = imapCommandFactory;
}
/*
* (non-Javadoc)
*
* @see
* org.apache.james.imap.decode.base.AbstractImapCommandParser#decode(org
* .apache.james.imap.api.ImapCommand,
* org.apache.james.imap.decode.ImapRequestLineReader, java.lang.String,
* org.apache.james.imap.api.process.ImapSession)
*/
protected ImapMessage decode(ImapCommand command, ImapRequestLineReader request, String tag, ImapSession session) throws DecodingException {
// TODO: check the logic against the specification:
// TODO: suspect that it is now bust
// TODO: the command written may be wrong
// TODO: this will be easier to fix a little later
// TODO: also not sure whether the old implementation shares this flaw
String commandName = request.atom();
ImapCommandParser helperCommand = parserFactory.getParser(commandName);
// TODO: replace abstract class with interface
if (helperCommand == null || !(helperCommand instanceof AbstractUidCommandParser)) {
throw new DecodingException(HumanReadableText.ILLEGAL_ARGUMENTS, "Invalid UID command: '" + commandName + "'");
}
final AbstractUidCommandParser uidEnabled = (AbstractUidCommandParser) helperCommand;
final ImapMessage result = uidEnabled.decode(request, tag, true, session);
return result;
}
}