net.sf.weixinmp.saas.WeixinmpRequest Maven / Gradle / Ivy

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Chinese Wechat SaaS API
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package net.sf.weixinmp.saas;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;


import net.sf.weixinmp.ResponseErrorHandler;
import net.sf.weixinmp.ResponseHandler;
import net.sf.weixinmp.model.GenericObject;
import net.sf.weixinmp.model.deserializer.GenericObjectDeserializer;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpRequestBase;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.log4j.Logger;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;

public abstract class WeixinmpRequest {
	private final static Logger LOGGER=Logger.getLogger(WeixinmpRequest.class);
	protected static Gson gson=new Gson();
	
	protected static  final String  RESTFUL_BASE="https://api.weixin.qq.com/cgi-bin";
	protected ResponseErrorHandler errorHandler=new ResponseErrorHandler() {
		public void handle(String errorCode, String errorMessage) {
			LOGGER.error(errorCode+","+errorMessage);
		}
	};
	protected ResponseHandler dataHandler=new ResponseHandler() {
		public void handle(String jsonString) {
			LOGGER.debug(jsonString);
		}
	};
	public void setErrorHandler(ResponseErrorHandler errorHandler) {
		this.errorHandler = errorHandler;
	}
	public void setDataHandler(ResponseHandler dataHandler) {
		this.dataHandler = dataHandler;
	}
	
	public static GenericObject toNativeMap(String json) {
		GsonBuilder gsonBuilder = new GsonBuilder();
		gsonBuilder.registerTypeAdapter(GenericObject.class, new GenericObjectDeserializer());
		return gsonBuilder.create().fromJson(json, GenericObject.class);
	}
	/**
	 * use java HttpURLConnection 
	 */
	protected String requestContentStringURLConnection(String context, String method, String params ) {
		StringBuffer bufferRes = new StringBuffer();
		try {
			URL realUrl = new URL(RESTFUL_BASE+context);
			HttpURLConnection conn = (HttpURLConnection) realUrl.openConnection();
			
			// 连接超时
			conn.setConnectTimeout(25000);
			// 读取超时 --服务器响应比较慢，增大时间
			conn.setReadTimeout(25000);
			
			HttpURLConnection.setFollowRedirects(true);
			// 请求方式
			conn.setRequestMethod(method);
			conn.setDoOutput(true);
			conn.setDoInput(true);
			conn.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.93 Safari/537.36 OPR/32.0.1948.69");
			conn.setRequestProperty("Referer", "https://api.weixin.qq.com/");
			conn.connect();
			OutputStreamWriter out = new OutputStreamWriter(conn.getOutputStream());
			//out.write(URLEncoder.encode(params,"UTF-8"));
			out.write(params);
			out.flush();
			out.close();
			
			InputStream in = conn.getInputStream();
			BufferedReader read = new BufferedReader(new InputStreamReader(in,"UTF-8"));
			String valueString = null;
			while ((valueString=read.readLine())!=null){
				bufferRes.append(valueString);
			}
			LOGGER.debug(bufferRes.toString());
			in.close();
			if (conn != null) {
				// 关闭连接
				conn.disconnect();
			}
			if(bufferRes.indexOf("errcode")!=-1){
            	if(errorHandler!=null) errorHandler.handle("50003", bufferRes.toString());
            }
            else {
            	if(dataHandler!=null) dataHandler.handle(bufferRes.toString());
            }
		} catch (Exception e) {
			e.printStackTrace();
			bufferRes.append(e.getLocalizedMessage());
			if(errorHandler!=null) errorHandler.handle("50001", "internal error, "+e.getLocalizedMessage());
		}
		return bufferRes.toString();
	}
	/**
	 * use HttpClient
	 */
	protected String requestContentString(String context, String method, HttpEntity bodyEntity ) {
		HttpClient privateClient = new DefaultHttpClient();
		String ret ="";
		try {
			//TODO
			//HttpHost proxyhost = new HttpHost("cn-proxy.jp.oracle.com", 80);    
			//privateClient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, proxyhost);   
			
			HttpRequestBase request = null;
			
			if("GET".equalsIgnoreCase(method)){
				request = new HttpGet(RESTFUL_BASE+context);
			}
			else if("POST".equalsIgnoreCase(method)){
				request = new HttpPost(RESTFUL_BASE+context);

				if(bodyEntity!=null){
					((HttpPost)request).setEntity(bodyEntity);
				}
			}
			//HttpGet get = new HttpGet(RESTFUL_BASE+context);
			request.addHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8");
			request.addHeader("Accept-Encoding", "gzip, deflate");
			request.addHeader("Cache-Control", "no-cache");
			//request.addHeader("Connection", "keep-alive");
			request.addHeader("Content-Type", "application/x-www-form-urlencoded");
			request.addHeader("Accept-Language", "zh-CN,zh;q=0.8,en;q=0.6,id;q=0.4,zh-TW;q=0.2");
			request.addHeader("Host", "www.nowcode.cn");
			request.addHeader("Origin", "www.nowcode.cn");
			request.addHeader("Pragma", "no-cache");
			request.addHeader("Referer", "www.nowcode.cn");
			request.addHeader("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.93 Safari/537.36 OPR/32.0.1948.69");
			
			HttpResponse response = privateClient.execute(request);
	        if(response.getStatusLine().getStatusCode()==200){
	        	HttpEntity entity = response.getEntity(); 
		        InputStream in = entity.getContent();  
		        //GZIPInputStream gzin = new GZIPInputStream(in);
		        
		        StringBuilder result=new StringBuilder();
		        BufferedReader br = new BufferedReader(new InputStreamReader(in));  
	            String temp = null;  
	            while ((temp = br.readLine()) != null) {    
	                result.append(temp);  
	            }  
	            br.close();
	            
	            if(result.indexOf("errcode")!=-1){
	            	if(errorHandler!=null) errorHandler.handle("50003", result.toString());
	            }
	            else {
	            	if(dataHandler!=null) dataHandler.handle(result.toString());
	            	ret = result.toString();
	            }
	        }
	        else {
	        	if(errorHandler!=null) errorHandler.handle("50002", response.getStatusLine().toString());
	        }
		} catch (Exception e) {
			e.printStackTrace();
			if(errorHandler!=null) errorHandler.handle("50001", "internal error, IO exception");
		} finally{
			privateClient.getConnectionManager().shutdown();
		}
		return ret;
	}
	
	protected String requestContentString(String context) {
		return requestContentString(context, "GET", null);
	}
	protected String requestContentString(String context, String method) {
		return requestContentString(context, method, null);
	}
	protected String requestContentString(String context, HttpEntity entity) {
		return requestContentString(context, "POST", entity);
	}
	
}