Android Open Source - base_app Http Client

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License

The source code is released under:
GNU General Public License
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Java Source Code

package com.bengui.baseapp.services;
// w w  w. j a v a2 s. co m
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.List;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
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.JSONException;

import android.util.Log;

import com.bengui.baseapp.utils.Constants;
import com.bengui.baseapp.utils.JSONUtils;
import com.bengui.baseapp.utils.Utils;

public class HttpClient {
  
  private static final String TAG = HttpClient.class.getSimpleName() + " - ";
  
  public String get(String url){
    return get(url, null);
  }
  
  public String get(String url, List<NameValuePair> paramList){    
    
    // Making HTTP request
        DefaultHttpClient httpClient = new DefaultHttpClient();
        HttpGet httpGet = new HttpGet(url);
        String response = null;
        
        if (paramList != null) {
    
          for (NameValuePair params : paramList) {
              httpGet.getParams().setParameter(params.getName(), params.getValue());
        }
    }
                
    try {
      
          HttpResponse httpResponse = httpClient.execute(httpGet);
          HttpEntity httpEntity = httpResponse.getEntity();
          response = Utils.inputStreamToString(httpEntity.getContent());
          
          JSONUtils.validateJsonObjetc(response);

          
    } catch (UnsupportedEncodingException e) {
      Log.e(Constants.LOG_TAG, TAG + e.getMessage());
      response = null;
        } catch (ClientProtocolException e) {
          Log.e(Constants.LOG_TAG, TAG + e.getMessage());
          response = null;
        } catch (IOException e) {
          Log.e(Constants.LOG_TAG, TAG + e.getMessage());
            response = null;
        } catch (ServiceException e) {
          Log.e(Constants.LOG_TAG, TAG + e.getMessage());
          response = null;
    } catch (JSONException e) {
      Log.e(Constants.LOG_TAG, TAG + e.getMessage());
      response = null;
    }
    
    return response;
    
  }
  
  
  
  public String put(String urlSaveUser, String user) {
        
    // Making HTTP request
        DefaultHttpClient httpClient = new DefaultHttpClient();
        HttpPost httpPut = new HttpPost(urlSaveUser);
        
        String response = null;
        String finalResponse = null;
        
    try {
      
      StringEntity entity = new StringEntity(user);
      entity.setContentType("application/json;charset=UTF-8");//text/plain;charset=UTF-8
      entity.setContentEncoding(new BasicHeader(HTTP.CONTENT_TYPE,"application/json;charset=UTF-8"));
      
          httpPut.setEntity(entity);
      
      
          HttpResponse httpResponse = httpClient.execute(httpPut);
          HttpEntity httpEntity = httpResponse.getEntity();
          
          response = Utils.inputStreamToString(httpEntity.getContent());
          
          JSONUtils.validateJsonObjetc(response);
          
          finalResponse = response;
          
    } catch (UnsupportedEncodingException e) {
      Log.e(Constants.LOG_TAG, TAG + e.getMessage());
      finalResponse = null;
        } catch (ClientProtocolException e) {
          Log.e(Constants.LOG_TAG, TAG + e.getMessage());
          finalResponse = null;
        } catch (IOException e) {
            Log.e(Constants.LOG_TAG, TAG + e.getMessage());
            finalResponse = null;
        } catch (ServiceException e) {
      Log.e(TAG,e.toString());
      finalResponse = null;
    } catch (JSONException e) {
      Log.e(TAG,e.toString());
      finalResponse = null;
    }
    
    return finalResponse;
  }
  
  public String update(String urlUpdateUser, String user) {
    
    // Making HTTP request
        DefaultHttpClient httpClient = new DefaultHttpClient();
        HttpPost httpPost = new HttpPost(urlUpdateUser);
        
        String response = null;
        String finalResponse = null;
        
    try {
      
      StringEntity entity = new StringEntity(user);
      entity.setContentType("application/json;charset=UTF-8");//text/plain;charset=UTF-8
      entity.setContentEncoding(new BasicHeader(HTTP.CONTENT_TYPE,"application/json;charset=UTF-8"));
      
          httpPost.setEntity(entity);
      
      
          HttpResponse httpResponse = httpClient.execute(httpPost);
          HttpEntity httpEntity = httpResponse.getEntity();
          
          response = Utils.inputStreamToString(httpEntity.getContent());
          
          JSONUtils.validateJsonObjetc(response);
          
          finalResponse = response;
          
    } catch (UnsupportedEncodingException e) {
      Log.e(Constants.LOG_TAG, TAG + e.getMessage());
      finalResponse = null;
        } catch (ClientProtocolException e) {
          Log.e(Constants.LOG_TAG, TAG + e.getMessage());
          finalResponse = null;
        } catch (IOException e) {
            Log.e(Constants.LOG_TAG, TAG + e.getMessage());
            finalResponse = null;
        } catch (ServiceException e) {
      Log.e(TAG,e.toString());
      finalResponse = null;
    } catch (JSONException e) {
      Log.e(TAG,e.toString());
      finalResponse = null;
    }
    
    return finalResponse;
  }


  public String delete(String urlDeleteUser, String userId) {
    
    // Making HTTP request
        DefaultHttpClient httpClient = new DefaultHttpClient();
        HttpPost httpPost = new HttpPost(urlDeleteUser);
        
        String response = null;
        String finalResponse = null;
        
    try {
      
      StringEntity entity = new StringEntity(userId);
      entity.setContentType("application/json;charset=UTF-8");//text/plain;charset=UTF-8
      entity.setContentEncoding(new BasicHeader(HTTP.CONTENT_TYPE,"application/json;charset=UTF-8"));
      
          httpPost.setEntity(entity);
      
          HttpResponse httpResponse = httpClient.execute(httpPost);
          HttpEntity httpEntity = httpResponse.getEntity();
          
          response = Utils.inputStreamToString(httpEntity.getContent());
          
          JSONUtils.validateJsonObjetc(response);
          
          finalResponse = response;
          
    } catch (UnsupportedEncodingException e) {
      Log.e(Constants.LOG_TAG, TAG + e.getMessage());
      finalResponse = null;
        } catch (ClientProtocolException e) {
          Log.e(Constants.LOG_TAG, TAG + e.getMessage());
          finalResponse = null;
        } catch (IOException e) {
            Log.e(Constants.LOG_TAG, TAG + e.getMessage());
            finalResponse = null;
        } catch (ServiceException e) {
          Log.e(Constants.LOG_TAG, TAG + e.getMessage());
      finalResponse = null;
    } catch (JSONException e) {
      Log.e(Constants.LOG_TAG, TAG + e.getMessage());
      finalResponse = null;
    }
    
    return finalResponse;
    
  }
  



}
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