Http Get and Http Post : Http Connection « Network « Android

1. Android
2. Network
3. Http Connection

Http Get and Http Post

    
//package com.helloandroid.acashboard.utils;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import org.apache.http.HttpResponse;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
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.BasicHttpResponse;
import org.apache.http.protocol.HTTP;

import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;

public class ApiHelper {

  SharedPreferences preferences;
  static String username;
  static String apiKey;

  public ApiHelper(Context context) {
    preferences = PreferenceManager.getDefaultSharedPreferences(context);
    username = preferences.getString("editTextName", "helloandroid"); // ezek
                                      // valtoznak
    apiKey = preferences.getString("editTextPsw",
        "gifnta5hc04cur9pqvu4mhg7i7te60nuh42c8n0vz927o7nuaa"); // ezek
                                    // valtoznak
  }

  /**
   * @return
   * @throws ClientProtocolException
   * @throws IOException
   */
  public String httpGet(String method) throws ClientProtocolException,
      IOException {
    DefaultHttpClient httpclient = new DefaultHttpClient();
    HttpGet httpget = new HttpGet(method);

    /* headers */
    httpget.setHeader("Accept", "application/xml");
    httpget.setHeader("Content-Type", "application/xml");

    /* authentication */
    UsernamePasswordCredentials credentials = new UsernamePasswordCredentials(
        username + ":" + apiKey);
    httpclient.getCredentialsProvider().setCredentials(
        new AuthScope(AuthScope.ANY_HOST, AuthScope.ANY_PORT),
        credentials);

    /* execute */
    BasicHttpResponse httpResponse = null;
    httpResponse = (BasicHttpResponse) httpclient.execute(httpget);
    /* return response */
    return TextHelper.GetText(httpResponse);
  }

  /**
   * @param method
   *            - example: "https://api.cashboardapp.com/projects"
   * @param data
   *            - example:
   * @return
   * @throws IOException
   * @throws ClientProtocolException
   */
  public String httpPost(String method, String data)
      throws ClientProtocolException, IOException {
    DefaultHttpClient httpclient = new DefaultHttpClient();
    HttpPost httppost = new HttpPost(method);

    /* headers */
    httppost.setHeader("Accept", "application/xml");
    httppost.setHeader("Content-Type", "application/xml");

    /* authentication */
    UsernamePasswordCredentials credentials = new UsernamePasswordCredentials(
        username + ":" + apiKey);
    httpclient.getCredentialsProvider().setCredentials(
        new AuthScope(AuthScope.ANY_HOST, AuthScope.ANY_PORT),
        credentials);

    StringEntity se = new StringEntity(data, HTTP.UTF_8);
    se.setContentType("text/xml");
    httppost.setEntity(se);

    /* execute */
    BasicHttpResponse httpResponse = null;
    httpResponse = (BasicHttpResponse) httpclient.execute(httppost);
    /* return response */
    return TextHelper.GetText(httpResponse);
  }

}

class TextHelper {
  public static String GetText(InputStream in) {
    String text = "";
    BufferedReader reader = new BufferedReader(new InputStreamReader(in));
    StringBuilder sb = new StringBuilder();
    String line = null;
    try {
      while ((line = reader.readLine()) != null) {
        sb.append(line + "\n");
      }
      text = sb.toString();
    } catch (Exception ex) {

    } finally {
      try {

        in.close();
      } catch (Exception ex) {
      }
    }
    return text;
  }

  public static String GetText(HttpResponse response) {
    String text = "";
    try {
      text = GetText(response.getEntity().getContent());
    } catch (Exception ex) {
    }
    return text;
  }
}

   
    
    
    
  

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