android HttpClient网络通信工具类基于XML

/**
 * 用于建立于服务器之间通信的工具
 *
 *
 *
 */
public class HttpClientAdapter {

	private HttpClient client;

	private HttpRequest request;

	private HttpGet get;
	private HttpPost post;

	private HttpResponse response;

	public HttpClientAdapter()
	{
		//设置client
		client=new DefaultHttpClient();
		//设置APN信息:ip port
		if(StringUtils.isNotBlank(GlobalParams.IP))
		{
			HttpHost host=new HttpHost(GlobalParams.IP, GlobalParams.PORT);
			client.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, host);
		}

	}

	/**
	 * 发送xml
	 */
	public InputStream sendPostRequest(String uri, String xml) {
		// 利用Post发送xml
		post = new HttpPost(uri);
		try {
			StringEntity entity = new StringEntity(xml, ConstantValue.CHARSET);
			post.setEntity(entity);
			response = client.execute(post);
			// 判断回复的状态码200
			if (response.getStatusLine().getStatusCode() == 200) {
				// 获取服务器回复信息
				return response.getEntity().getContent();
			}

		} catch (Exception e) {
			e.printStackTrace();
		}
		return null;
	}

}