package com.foxinmy.weixin4j.http.support.apache3;
   
   import java.io.IOException;
   
   import org.apache.commons.httpclient.Header;
   import org.apache.commons.httpclient.HttpMethod;
   
   import com.foxinmy.weixin4j.http.AbstractHttpResponse;
   import com.foxinmy.weixin4j.http.HttpHeaders;
  import com.foxinmy.weixin4j.http.HttpStatus;
  import com.foxinmy.weixin4j.http.HttpVersion;
  
  /**
   * HttpComponent3 Response:Requires commons-httpclient 3.0 or higher
   *
   * @className HttpComponent3Response
   * @author jinyu(foxinmy@gmail.com)
   * @date 2015年8月17日
   * @since JDK 1.6
   * @see
   */
  public class HttpComponent3Response extends AbstractHttpResponse {
  
  	private final HttpMethod httpMethod;
  
  	private HttpHeaders headers;
  	private HttpVersion protocol;
  	private HttpStatus status;
  
  	public HttpComponent3Response(HttpMethod httpMethod) throws IOException {
  		super(httpMethod.getResponseBody());
  		this.httpMethod = httpMethod;
  	}
  
  	@Override
  	public HttpHeaders getHeaders() {
  		if (headers == null) {
  			headers = new HttpHeaders();
  			Header[] headers = httpMethod.getResponseHeaders();
  			for (Header header : headers) {
  				this.headers.add(header.getName(), header.getValue());
  			}
  		}
  		return headers;
  	}
  
  	@Override
  	public HttpVersion getProtocol() {
  		org.apache.commons.httpclient.HttpVersion version = httpMethod
  				.getParams().getVersion();
  		if (version == null) {
  			return null;
  		}
  		Header connection = httpMethod.getResponseHeader("Connection");
  		if (protocol == null) {
  			protocol = new HttpVersion("HTTP", version.getMajor(),
  					version.getMinor(), connection != null
  							&& KEEP_ALIVE.equalsIgnoreCase(connection
  									.getValue()));
  		}
  		return protocol;
  	}
  
  	@Override
  	public HttpStatus getStatus() {
  		if (status == null) {
  			status = new HttpStatus(httpMethod.getStatusCode(),
  					httpMethod.getStatusText());
  		}
  		return status;
  	}
  
  	@Override
  	public void close() {
  		httpMethod.releaseConnection();
  		//Protocol.unregisterProtocol("https");
  	}
  }