Android Open Source - Cloud-Phone-client Custom Http Client

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License

The source code is released under:

MIT License

Java Source Code

package com.networks999.android.app.vspip.util;
//w w  w . j  a  v a  2  s .  com
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URI;
import java.util.ArrayList;
import java.util.HashMap;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.params.ConnManagerParams;
import org.apache.http.entity.mime.HttpMultipartMode;
import org.apache.http.entity.mime.MultipartEntity;
import org.apache.http.entity.mime.content.ContentBody;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.CoreProtocolPNames;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;

import android.util.Log;

public class CustomHttpClient {

  /** The time it takes for our client to timeout */
  public static final int HTTP_TIMEOUT = 30 * 2000; // milliseconds
  public static final String BASE_URL = UrlConnections.Base_Url;
  /** Single instance of our HttpClient */
  private static HttpClient mHttpClient;

  /**
   * Get our single instance of our HttpClient object.
   * 
   * @return an HttpClient object with connection parameters set
   */
  private static HttpClient getHttpClient() {

    if (mHttpClient == null) {
      mHttpClient = new DefaultHttpClient();
      /*
       * ClientConnectionManager manager = mHttpClient
       * .getConnectionManager();
       */
      final HttpParams params = mHttpClient.getParams().setParameter(
          CoreProtocolPNames.USER_AGENT, "Device");

      HttpConnectionParams.setConnectionTimeout(params, HTTP_TIMEOUT);
      HttpConnectionParams.setSoTimeout(params, HTTP_TIMEOUT);
      ConnManagerParams.setTimeout(params, HTTP_TIMEOUT);
      // mHttpClient = new DefaultHttpClient(
      // new ThreadSafeClientConnManager(params,
      // manager.getSchemeRegistry()), params);
    }
    return mHttpClient;
  }

  /**
   * Performs an HTTP Post request to the specified url with the specified
   * parameters.
   * 
   * @param url
   *            The web address to post the request to
   * @param postParameters
   *            The parameters to send via the request
   * @return The result of the request
   * @throws Exception
   */
  public static String executeHttpPost(String url,
      ArrayList<NameValuePair> postParameters) throws Exception {
    BufferedReader in = null;

    try {
      HttpClient client = getHttpClient();
      HttpPost request = new HttpPost(BASE_URL.trim() + url);
      UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(
          postParameters);
      request.setEntity(formEntity);
      HttpResponse response = client.execute(request);
      in = new BufferedReader(new InputStreamReader(response.getEntity()
          .getContent()));

      StringBuffer sb = new StringBuffer("");
      String line = "";
      String NL = System.getProperty("line.separator");
      while ((line = in.readLine()) != null) {
        sb.append(line + NL);
      }
      in.close();

      String result = sb.toString();
      return result;
    } finally {
      if (in != null) {
        try {
          in.close();
        } catch (IOException e) {
          e.printStackTrace();
          return "";
        }
      }
    }
  }

  /**
   * Performs an HTTP GET request to the specified url.
   * 
   * @param url
   *            The web address to post the request to
   * @return The result of the request
   * @throws Exception
   */
  public static String executeHttpGet(String url) throws Exception {
    BufferedReader in = null;
    try {
      HttpClient client = getHttpClient();
      HttpGet request = new HttpGet();
      request.setURI(new URI(BASE_URL + url));
      HttpResponse response = client.execute(request);
      in = new BufferedReader(new InputStreamReader(response.getEntity()
          .getContent()));

      StringBuffer sb = new StringBuffer("");
      String line = "";
      String NL = System.getProperty("line.separator");
      while ((line = in.readLine()) != null) {
        sb.append(line + NL);
      }
      in.close();

      String result = sb.toString();
      return result;
    } finally {
      if (in != null) {
        try {
          in.close();
        } catch (IOException e) {
          e.printStackTrace();

        }
      }
    }
  }

  public static String fileUpload(String url,
      HashMap<String, ContentBody> postParameters) {
    BufferedReader in = null;

    try {
      HttpClient client = getHttpClient();
      String postURL = BASE_URL + url;
      Log.e("", postURL);
      HttpPost post = new HttpPost(postURL);
      MultipartEntity reqEntity = new MultipartEntity(
          HttpMultipartMode.BROWSER_COMPATIBLE);
      reqEntity.addPart("uploadFIle", postParameters.get("uploadFIle"));
      //reqEntity.addPart("fileName", postParameters.get("fileName"));
    //  reqEntity.addPart("secretfile", postParameters.get("secretfile"));

      post.setEntity(reqEntity);

      HttpResponse response = client.execute(post);
      in = new BufferedReader(new InputStreamReader(response.getEntity()
          .getContent()));

      StringBuffer sb = new StringBuffer("");
      String line = "";
      String NL = System.getProperty("line.separator");
      while ((line = in.readLine()) != null) {
        sb.append(line + NL);
      }
      in.close();

      String result = sb.toString();
      return result;

    } catch (Exception e) {
      e.printStackTrace();
    }
    return null;
  }
}

Java Source Code List

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