| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.felix.upnp.basedriver.export; |
| |
| import java.util.Vector; |
| |
| /* |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| public class RootDeviceExportingQueue { |
| |
| private Vector v; |
| private boolean waiting; |
| |
| public RootDeviceExportingQueue(){ |
| v = new Vector(); |
| waiting=false; |
| } |
| |
| public synchronized void addRootDevice(DeviceNode dev){ |
| v.addElement(dev); |
| if(waiting) notify(); |
| } |
| |
| public synchronized DeviceNode getRootDevice(){ |
| while(v.isEmpty()){ |
| waiting=true; |
| try { |
| wait(); |
| } catch (InterruptedException e) { |
| } |
| } |
| DeviceNode dev = (DeviceNode) v.firstElement(); |
| v.remove(0); |
| return dev; |
| } |
| /** |
| * |
| * @param udn <code>String</code> rappresentaing the UDN of the device to remove |
| * @return a root <code>DeviceNode</code> that have UDN equals to the passed |
| * udn <code>String</code> or contain a device with the spcified UDN |
| */ |
| public synchronized DeviceNode removeRootDevice(String udn){ |
| for (int i = 0; i < v.size(); i++) { |
| DeviceNode aux=(DeviceNode) v.elementAt(i); |
| if(aux.contains(udn)){ |
| v.remove(i); |
| return aux; |
| } |
| } |
| return null; |
| } |
| } |