/* * Copyright (C) 2010 Stanford University * * 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 edu.stanford.junction.provider.irc; import java.util.List; import java.util.ArrayList; import java.util.HashMap; import java.util.Map; public class MessageDemultiplexer { public static class CompleteMessage{ public final String from; public final String msg; public CompleteMessage(String from, String msg){ this.from = from; this.msg = msg; } } private Map<String,String> buffer = new HashMap<String,String>(); private List<CompleteMessage> complete = new ArrayList<CompleteMessage>(); public void addFragment(String frag, String from){ String cur = ""; if(buffer.containsKey(from)){ cur = buffer.get(from); } if(frag.startsWith(MessageMultiplexer.TERM)){ String lastFrag = frag.substring(MessageMultiplexer.TERM.length()); complete.add(new CompleteMessage(from, cur + lastFrag)); buffer.remove(from); } else{ buffer.put(from, cur + frag); } } public List<CompleteMessage> drainCompleteMessages(){ List<CompleteMessage> result = new ArrayList<CompleteMessage>(complete); complete.clear(); return result; } }