NicklistHandler.java

/*******************************************************************************
 * Copyright 2012 Keith Johnson
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package com.ubergeek42.weechat.relay.messagehandler;

import java.util.HashSet;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.ubergeek42.weechat.Buffer;
import com.ubergeek42.weechat.NickItem;
import com.ubergeek42.weechat.relay.RelayMessageHandler;
import com.ubergeek42.weechat.relay.protocol.Hdata;
import com.ubergeek42.weechat.relay.protocol.HdataEntry;
import com.ubergeek42.weechat.relay.protocol.RelayObject;

/**
 * Handles messages that relate to nicklist
 * 
 * @author ubergeek42<kj@ubergeek42.com>
 * 
 */
public class NicklistHandler implements RelayMessageHandler {
    final private static boolean DEBUG = false;
    private static Logger logger = LoggerFactory.getLogger("NicklistHandler");
    private BufferManager cbs;

    public NicklistHandler(BufferManager cbs) {
        this.cbs = cbs;
    }

    @Override
    public void handleMessage(RelayObject obj, String id) {
        if (DEBUG) logger.debug("handleMessage(..., {})", id);
        if (id.equals("_nicklist") || id.equals("nicklist")) {
            // TODO: verify path is nicklist_item, that obj is Hdata

            HashSet<Buffer> nicklistCleared = new HashSet<Buffer>();

            // Which buffer is this for?
            Hdata whdata = (Hdata) obj;
            for (int i = 0; i < whdata.getCount(); i++) {
                HdataEntry hde = whdata.getItem(i);
                NickItem ni = new NickItem(hde);

                // Not a nick we care about(its a group or invisible)
                if (ni.isGroup() || !ni.isVisible()) {
                    continue;
                }

                Buffer wb = cbs.findByPointer(hde.getPointer(0));
                if (!nicklistCleared.contains(wb)) {
                    nicklistCleared.add(wb);
                    wb.clearNicklist();
                }
                wb.addNick(ni);
            }
            for (Buffer wb : nicklistCleared)
                wb.holdsAllNicknames = true;
        } else if (id.equals("_nicklist_diff")) {
        	Hdata whdata = (Hdata) obj;
        	for (int i=0; i< whdata.getCount(); i++) {
        		HdataEntry hde = whdata.getItem(i);
        		NickItem ni = new NickItem(hde);
        		// Not a nick we care about(its a group or invisible)
                if (ni.isGroup() || !ni.isVisible()) {
                    continue;
                }

                Buffer wb = cbs.findByPointer(hde.getPointer(0));
        		char diff = hde.getItem("_diff").asChar();
        		if (diff == '+') {
        			wb.addNick(ni);
        		}else if (diff == '-') {
        			wb.removeNick(ni);
        		} else if (diff == '*') {
        			wb.updateNick(ni);
        		}
        	}
        }
    }
}