com.osamashabrez.clientserver.json.ClientServerJSONActivity.java Source code

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Here is the source code for com.osamashabrez.clientserver.json.ClientServerJSONActivity.java

Source

package com.osamashabrez.clientserver.json;

/******************************************
Copyright (c) 2012
Author: Muhammad Osama Shabrez <osamashabrez@live.com>
Web: http://osamashabrez.com
    
Licensed under the Apache License, Version 2.0 (the "License"); you may
not use this file except in compliance with the License. You may obtain
a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
******************************************/

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Locale;
import java.util.zip.GZIPInputStream;
import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ByteArrayEntity;
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.JSONException;
import org.json.JSONObject;
import android.app.Activity;
import android.os.Bundle;
import android.widget.EditText;
import android.widget.Toast;

public class ClientServerJSONActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        buildref = (EditText) findViewById(R.id.editTextbuild);
        buildref.setFocusable(false);
        buildref.setClickable(false);
        recvdref = (EditText) findViewById(R.id.editTextrecvd);
        recvdref.setFocusable(false);
        recvdref.setClickable(false);
        JSONObject jsonobj; // declared locally so that it destroys after serving its purpose
        jsonobj = new JSONObject();
        try {
            // adding some keys
            jsonobj.put("key", "value");
            jsonobj.put("weburl", "hashincludetechnology.com");

            // lets add some headers (nested headers)
            JSONObject header = new JSONObject();
            header.put("devicemodel", android.os.Build.MODEL); // Device model
            header.put("deviceVersion", android.os.Build.VERSION.RELEASE); // Device OS version
            header.put("language", Locale.getDefault().getISO3Language()); // Language
            jsonobj.put("header", header);
            // Display the contents of the JSON objects
            buildref.setText(jsonobj.toString(2));
        } catch (JSONException ex) {
            buildref.setText("Error Occurred while building JSON");
            ex.printStackTrace();
        }
        // Now lets begin with the server part
        try {
            DefaultHttpClient httpclient = new DefaultHttpClient();
            HttpPost httppostreq = new HttpPost(wurl);
            StringEntity se = new StringEntity(jsonobj.toString());
            //se.setContentType(new BasicHeader(HTTP.CONTENT_TYPE, "application/json"));
            se.setContentType("application/json;charset=UTF-8");
            se.setContentEncoding(new BasicHeader(HTTP.CONTENT_TYPE, "application/json;charset=UTF-8"));
            httppostreq.setEntity(se);
            //           httppostreq.setHeader("Accept", "application/json");
            //           httppostreq.setHeader("Content-type", "application/json");
            //           httppostreq.setHeader("User-Agent", "android");
            HttpResponse httpresponse = httpclient.execute(httppostreq);
            HttpEntity resultentity = httpresponse.getEntity();
            if (resultentity != null) {
                InputStream inputstream = resultentity.getContent();
                Header contentencoding = httpresponse.getFirstHeader("Content-Encoding");
                if (contentencoding != null && contentencoding.getValue().equalsIgnoreCase("gzip")) {
                    inputstream = new GZIPInputStream(inputstream);
                }

                String resultstring = convertStreamToString(inputstream);
                inputstream.close();
                resultstring = resultstring.substring(1, resultstring.length() - 1);
                recvdref.setText(resultstring + "\n\n" + httppostreq.toString().getBytes());
                //              JSONObject recvdjson = new JSONObject(resultstring);
                //               recvdref.setText(recvdjson.toString(2));
            }
        } catch (Exception e) {
            recvdref.setText("Error Occurred while processing JSON");
            recvdref.setText(e.getMessage());
        }
    }

    private String convertStreamToString(InputStream is) {
        String line = "";
        StringBuilder total = new StringBuilder();
        BufferedReader rd = new BufferedReader(new InputStreamReader(is));
        try {
            while ((line = rd.readLine()) != null) {
                total.append(line);
            }
        } catch (Exception e) {
            Toast.makeText(this, "Stream Exception", Toast.LENGTH_SHORT).show();
        }
        return total.toString();
    }

    public EditText buildref;
    public EditText recvdref;
    public static final String wurl = "http://192.168.100.4/testmysql.php?test=true";
}