content: /*
   * Copyright (c) 2010-2019 Nathan Rajlich
   *
   *  Permission is hereby granted, free of charge, to any person
   *  obtaining a copy of this software and associated documentation
   *  files (the "Software"), to deal in the Software without
   *  restriction, including without limitation the rights to use,
   *  copy, modify, merge, publish, distribute, sublicense, and/or sell
   *  copies of the Software, and to permit persons to whom the
   *  Software is furnished to do so, subject to the following
   *  conditions:
   *
   *  The above copyright notice and this permission notice shall be
   *  included in all copies or substantial portions of the Software.
   *
   *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
   *  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
   *  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
   *  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   *  OTHER DEALINGS IN THE SOFTWARE.
   */
  
  package com.youku.ribut.core.socket.java_websocket.handshake;
  
  import java.util.Collections;
  import java.util.Iterator;
  import java.util.TreeMap;
  
  /**
   * Implementation of a handshake builder
   */
  public class HandshakedataImpl1 implements HandshakeBuilder {
  
  	/**
  	 * Attribute for the content of the handshake
  	 */
  	private byte[] content;
  
  	/**
  	 * Attribute for the http fields and values
  	 */
  	private TreeMap<String,String> map;
  
  	/**
  	 * Constructor for handshake implementation
  	 */
  	public HandshakedataImpl1() {
  		map = new TreeMap<String,String>( String.CASE_INSENSITIVE_ORDER );
  	}
  
  	@Override
  	public Iterator<String> iterateHttpFields() {
  		return Collections.unmodifiableSet( map.keySet() ).iterator();// Safety first
  	}
  
  	@Override
  	public String getFieldValue( String name ) {
  		String s = map.get( name );
  		if ( s == null ) {
  			return "";
  		}
  		return s;
  	}
  
  	@Override
  	public byte[] getContent() {
  		return content;
  	}
  
  	@Override
  	public void setContent( byte[] content ) {
  		this.content = content;
  	}
  
  	@Override
  	public void put( String name, String value ) {
  		map.put( name, value );
  	}
  
  	@Override
  	public boolean hasFieldValue( String name ) {
  		return map.containsKey( name );
  	}
  }
  