ClientContext2.java

package com.jqmobile.core.android;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.net.HttpURLConnection;
import java.util.HashMap;
import java.util.Map;

import android.app.Application;

import com.jqmobile.core.http2.HttpSerializableObject;
import com.jqmobile.core.http2.HttpUtils;
import com.jqmobile.core.utils.json.JSONArray;
import com.jqmobile.core.utils.json.JSONConvertor2;
import com.jqmobile.core.utils.json.JSONObject;
import com.jqmobile.core.utils.plain.StringUtils;

/**
 * 新版通讯协议
 * @author MODI
 *
 */
public class ClientContext2 extends Application{
	/**
	 * [MMC]webservice的服务相对地址
	 */
	public static String WS_URI = "/ws/android.client";
	public static String UPLOAD_URI = "upload.client";
	public static String DOWNLOAD_URI = "download.client";
	/**
	 * 连接超时
	 */
//	private final static int TIMEOUT = 10*1000;  //10秒  static final 
	
//	private final String serverURL = "http://115.29.47.215:9797";
//	private final String serverURL = "http://10.29.0.9:9797";
	private final String serverURL = "http://192.168.1.116:9797";
	private final String serviceURI = WS_URI;
	private final HttpUtils hu = new HttpUtils(serverURL, serviceURI);//.getHttpUtils(serverURL, serviceURI);
	private final Map<String, String> sessionStr = new HashMap<String, String>();
	private final Map<String, Object> session = new HashMap<String, Object>();
	private String sessionId;
	//=============================File upload download===================================
	public boolean upload(String fileName, InputStream is){
		fileName = StringUtils.valueOfBytes(fileName);//
		String url = serverURL+"/"+fileName+UPLOAD_URI;
		try {
			HttpURLConnection conn = HttpUtils.connect(url);
			OutputStream os = conn.getOutputStream();
//			byte[] bs = new byte[1024];
//			while(is.read(bs)!=-1){
//				os.write(bs);
//			}
			byte[] bs = new byte[is.available()];
			if(-1 != is.read(bs)){
				os.write(bs);
			}
			int b;
			while((b=is.read())!=-1){
				os.write(b);
			}
			os.close();
			conn.setConnectTimeout(hu.getTimeOut());
			int responseCode = conn.getResponseCode();
			//
			StringBuilder sResult = new StringBuilder();
			if (responseCode == HttpURLConnection.HTTP_OK) {
//				Log.i("load", fileName+"上传成功");
				InputStream httpInput = null;
				BufferedReader httpReader = null;

				// 读取数据
				httpInput = conn.getInputStream();
				httpReader = new BufferedReader(new InputStreamReader(
						httpInput, HttpUtils.CHARSET));
				String line = null;
				while ((line = httpReader.readLine()) != null) {
					if (sResult.length() > 0) {
						sResult.append("\n");
					}
					sResult.append(line);
				}
				if(sResult.toString().isEmpty()){
					return false;
				}
				JSONObject result = new JSONObject(sResult.toString());
				Object obj = JSONConvertor2.unSerializable(result);
//				Object obj = result.get(HttpUtils.RESPONSE_DATA);
				if(obj instanceof Boolean){
					return (Boolean) obj;
				}
			}
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
		return false;
	}
	public InputStream download(String fileName){
		fileName = StringUtils.valueOfBytes(fileName);//
		String url = serverURL+"/"+fileName+DOWNLOAD_URI;
		try {
			HttpURLConnection conn = HttpUtils.connect(url);
			conn.setConnectTimeout(hu.getTimeOut());
			int responseCode = conn.getResponseCode();
			if (responseCode == HttpURLConnection.HTTP_OK) {
//				Log.i("load", fileName+"上传成功");
				return conn.getInputStream();
			}
//			OutputStream os = conn.getOutputStream();
//			byte[] bs = new byte[1024];
//			while(is.read(bs)!=-1){
//				os.write(bs);
//			}
//			os.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return null;
	}
	//================================================================
	@SuppressWarnings("unchecked")
	public <T> T getService(Class<T> serviceClass){
		return (T) Proxy.newProxyInstance(Thread.currentThread().getContextClassLoader(), new Class<?>[]{serviceClass}, new ClientInvocationHandler(serviceClass));
	}
	public ClientContext2 put(String key, String value){
		sessionStr.put(key, value);
		return this;
	}
	public <T> ClientContext2 put(Class<T> c, T value){
		session.put(c.getName(), value);
		return this;
	}
	public String get(String key){
		return sessionStr.get(key);
	}
	@SuppressWarnings("unchecked")
	public <T> T get(Class<T> c){
		return (T) session.get(c.getName());
	}
	class ClientInvocationHandler implements InvocationHandler{
		private final Class<?> intf;
		
		/**
		 * 构造函数
		 * @param serverURL 服务地址
		 * @param serviceURI 业务服务对相应的相对地址
		 * @param sessionID 
		 */
		public ClientInvocationHandler(Class<?> intf) {
			this(intf, 10*1000);
		}
		
		public ClientInvocationHandler( Class<?> intf, int timeout) {
			this.intf = intf;
			hu.setTimeOut(timeout);;
//			HttpUtils.setTIMEOUT(timeout);
		}
		
		@Override
		public Object invoke(Object proxy, Method method, Object[] args)
				throws Throwable {
			HttpSerializableObject hso = new HttpSerializableObject();
			hso.setIntf(intf.getName());
			hso.setMethod(method.getName());
			hso.setSession(sessionId);
			hso.setData(JSONConvertor2.serializableArray(args).toString());
			//
			HttpSerializableObject result = hu.invoke(hso);
			if(null != result.getSession() && !result.getSession().equals("")){
				sessionId = result.getSession();
			}
			if(null != result.getException()){
				throw new Exception();
			}
			JSONArray array = new JSONArray(result.getData());
			return JSONConvertor2.unAutoSerializable(array.getJSONObject(0), method.getReturnType());
		}
	}
	
	//用于客户端重新登录的时候
	public void ClearSession(){
		this.sessionId = null;
	}
	
}