using HttpClient and sending json data to RESTful server in adroind

1.send a json object by parameter to request the RESTful server,as flowing code:

package tuo.json;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URI;
import java.net.URISyntaxException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicHeader;
import org.apache.http.protocol.HTTP;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import com.guc.android.nurse.activity.R.string;

/*
 * this class  call RESTful WCF,and return json data
 */
public class JsonTruck {

	public String getJsonString(String wcfUrl) throws Exception {
		HttpClient httpClient = new DefaultHttpClient();
		HttpGet request = new HttpGet();
		request.setURI(new URI(wcfUrl));
		HttpResponse response = httpClient.execute(request);
		return parseHttpResponse(response);
	}
	
	public  String parseHttpResponse(HttpResponse response) throws Exception {
		String jsonString="";
		int status = response.getStatusLine().getStatusCode();
		if (status == 200) {
			BufferedReader bReader = new BufferedReader(new InputStreamReader(
					response.getEntity().getContent()));
			StringBuffer sb = new StringBuffer("");
			String line = "";
			String NL = System.getProperty("line.separator");
			while ((line = bReader.readLine()) != null) {
				sb.append(line + NL);
			}
			jsonString = sb.toString();
			bReader.close();
		} 
		return jsonString;
		
	}
	
	public JSONObject getJson(String wcfUrl,String jsonObjName) throws Exception {
		String jsonString=getJsonString(wcfUrl);
		JSONObject jsonObject = new JSONObject(jsonString);
		return jsonObject.getJSONObject(jsonObjName);
	}
	
	public JSONArray getJsons(String wcfUrl,String jsonObjName) throws Exception{
		JSONObject jsonObject=new JSONObject(getJsonString(wcfUrl));
		return jsonObject.getJSONArray(jsonObjName);
		
	}
	
	public String doPost(String wcfUrl,JSONObject jsonObject) throws Exception {
		HttpClient httpClient = new DefaultHttpClient();
		HttpResponse response;
		HttpPost post=new HttpPost();
		HttpEntity httpEntity;
		StringEntity stringEntity=new StringEntity(jsonObject.toString());
		stringEntity.setContentEncoding(new BasicHeader(HTTP.CONTENT_TYPE, "application/json"));
		httpEntity=stringEntity;
		post.setEntity(httpEntity);
		post.setURI(new URI(wcfUrl));
		post.setHeader("Content-type", "application/json");
		response=httpClient.execute(post);
		return parseHttpResponse(response);
	}
}

2.Test in Activity and fill a json object

package com.guc.android.nurse.activity;

import org.json.JSONObject;

import com.guc.android.nurse.comm.JsonTruck;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

public class Test extends Activity {

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);
		setContentView(R.layout.test);
		setListener();
	}

	void setListener(){
		Button updateBtn=(Button)findViewById(R.id.post_update);
		Button createButton=(Button)findViewById(R.id.post_create);
		updateBtn.setOnClickListener(new UpdateListener());
		createButton.setOnClickListener(new CreateListener());
	}
	
	class UpdateListener implements OnClickListener{

		@Override
		public void onClick(View v) {
			// TODO Auto-generated method stub
			String wcfUrl="http://192.168.0.110:8082/Nurse/SubmitRecord";
			String message="";
			JSONObject jsonObject=new JSONObject();
			JSONObject obj=new JSONObject();
			
			try {
				obj.put("his_account","00000");
				obj.put("timebh","1");
				obj.put("patientNo","*001201");
				obj.put("admissTimes","1");
				obj.put("position","1");
				obj.put("piesis_x","120");
				obj.put("piesis_y","80");
				obj.put("respiration","1");
				obj.put("temperature","1");
				obj.put("pulse","1");
				obj.put("liquidinput","1");
				obj.put("urea","1");
				obj.put("bowels","1");
				obj.put("otheroutput","1");
				jsonObject.put("record", obj);
				message=new JsonTruck().doPost(wcfUrl, jsonObject);
			} catch (Exception e) {
				// TODO Auto-generated catch block
				Toast.makeText(Test.this, e.getMessage(), 5000).show();
			}
			
			Toast.makeText(Test.this, message, 5000).show();
		}
		
	}
	class CreateListener implements OnClickListener{

		@Override
		public void onClick(View v) {
			Toast.makeText(Test.this, "you click create nutton", 5000).show();
			
		}
		
	}
}

the RESRful server client(WCF),you can reference previous article.