/*
    * Copyright 2012 The Netty Project
    *
    * The Netty Project 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.jboss.netty.channel;
  
  import org.jboss.netty.buffer.ChannelBufferFactory;
  import org.jboss.netty.buffer.HeapChannelBufferFactory;
  import org.jboss.netty.channel.socket.SocketChannelConfig;
  import org.jboss.netty.util.internal.ConversionUtil;
  
  import java.util.Map;
  import java.util.Map.Entry;
  
  /**
   * The default {@link SocketChannelConfig} implementation.
   */
  public class DefaultChannelConfig implements ChannelConfig {
  
      private volatile ChannelBufferFactory bufferFactory = HeapChannelBufferFactory.getInstance();
      private volatile int connectTimeoutMillis = 10000; // 10 seconds
  
      public void setOptions(Map<String, Object> options) {
          for (Entry<String, Object> e: options.entrySet()) {
              setOption(e.getKey(), e.getValue());
          }
      }
  
      public boolean setOption(String key, Object value) {
          if (key == null) {
              throw new NullPointerException("key");
          }
  
          if ("pipelineFactory".equals(key)) {
              setPipelineFactory((ChannelPipelineFactory) value);
          } else if ("connectTimeoutMillis".equals(key)) {
              setConnectTimeoutMillis(ConversionUtil.toInt(value));
          } else if ("bufferFactory".equals(key)) {
              setBufferFactory((ChannelBufferFactory) value);
          } else {
              return false;
          }
          return true;
      }
  
      public int getConnectTimeoutMillis() {
          return connectTimeoutMillis;
      }
  
      public ChannelBufferFactory getBufferFactory() {
          return bufferFactory;
      }
  
      public void setBufferFactory(ChannelBufferFactory bufferFactory) {
          if (bufferFactory == null) {
              throw new NullPointerException("bufferFactory");
          }
          this.bufferFactory = bufferFactory;
      }
  
      public ChannelPipelineFactory getPipelineFactory() {
          return null;
      }
  
      public void setConnectTimeoutMillis(int connectTimeoutMillis) {
          if (connectTimeoutMillis < 0) {
              throw new IllegalArgumentException("connectTimeoutMillis: " + connectTimeoutMillis);
          }
          this.connectTimeoutMillis = connectTimeoutMillis;
      }
  
      public void setPipelineFactory(ChannelPipelineFactory pipelineFactory) {
          // Unused
      }
  }