Android Open Source - Dumbledroid Http Loader

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Back to project page Dumbledroid.

License

The source code is released under:

Copyright (c) 2013, Leocadio Tin? All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: ...

If you think the Android project Dumbledroid listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package io.leocad.dumbledroid.net;
//from ww  w.ja  v  a 2  s .  c o m
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.SocketTimeoutException;
import java.net.URLEncoder;
import java.util.List;

import org.apache.http.HttpEntity;
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.client.methods.HttpUriRequest;
import org.apache.http.conn.ConnectTimeoutException;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;

public class HttpLoader {

  static final int REQUEST_TIMEOUT_MS = 10 * 1000;

  public static HttpResponse getHttpResponse(String url, String encoding, List<NameValuePair> params, HttpMethod method) throws TimeoutException, IOException {

    HttpUriRequest request = getHttpRequest(url, encoding, params, method);

    HttpParams httpParams = new BasicHttpParams();
    HttpConnectionParams.setConnectionTimeout(httpParams, REQUEST_TIMEOUT_MS);
    HttpConnectionParams.setSoTimeout(httpParams, REQUEST_TIMEOUT_MS);

    HttpClient client = new DefaultHttpClient(httpParams);

    try {
      return client.execute(request);

    } catch (ConnectTimeoutException e) {
      client.getConnectionManager().shutdown();
      throw new TimeoutException(e);
    } catch (SocketTimeoutException e) {
      client.getConnectionManager().shutdown();
      throw new TimeoutException(e);
    } catch (IOException e) {
      client.getConnectionManager().shutdown();
      throw e;
    }
  }

  public static InputStream getHttpContent(HttpResponse response) throws IllegalStateException, IOException {

    HttpEntity entity = response.getEntity();

    if (null != entity) {
      return entity.getContent();
    }

    return null;
  }

  private static HttpUriRequest getHttpRequest(String url, String encoding,
      List<NameValuePair> params, HttpMethod method)
          throws UnsupportedEncodingException {

    HttpUriRequest request;

    if (null == method) {
      method = HttpMethod.GET;
    }

    switch (method) {

    case POST:

      HttpPost req = new HttpPost(url);

      if (!params.isEmpty()) {
        UrlEncodedFormEntity entity = new UrlEncodedFormEntity(params, encoding);
        req.setEntity(entity);
      }

      request = req;
      break;

    case GET:
    default:

      StringBuilder sb = new StringBuilder(url);

      if (null != params && !params.isEmpty()) {
        sb.append("?");

        for (NameValuePair nameValuePair : params) {

          sb.append(nameValuePair.getName())
          .append('=')
          .append( URLEncoder.encode(nameValuePair.getValue(), encoding) )
          .append('&');
        }
      }

      request = new HttpGet(sb.toString());
      break;
    }

    return request;
  }

  public static String streamToString(InputStream is) throws IOException {

    BufferedReader r = new BufferedReader(new InputStreamReader(is));

    StringBuilder total = new StringBuilder();
    String line;
    while ((line = r.readLine()) != null) {
      total.append(line);
    }

    return total.toString();
  }
}

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