org.quizpoll.net.UrlShortenerHelper.java Source code

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Here is the source code for org.quizpoll.net.UrlShortenerHelper.java

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/*
 Copyright 2011 Google Inc. All Rights Reserved.
    
 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.
*/

package org.quizpoll.net;

import android.app.Activity;
import android.net.Uri;

import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.entity.StringEntity;
import org.quizpoll.R;
import org.quizpoll.data.model.ShortenedUrl;

import java.io.UnsupportedEncodingException;

/**
 * Creates and parses requests for URL Shortener service.
 */
public class UrlShortenerHelper extends HttpHelper {

    // API key for URL Shortener service
    private static final String URL_SHORTENER_API_KEY = "AIzaSyBWORrW1tLCNfe4_44eWqP_bxfugEHMasg";

    // URL to Google URL Shortener API
    private static final String URL_SHORTENER_URL = "https://www.googleapis.com/urlshortener/v1/url";

    public UrlShortenerHelper(int messageType, Object data, boolean showDialog, Activity activity,
            HttpListener listener) {
        super(messageType, data, showDialog, activity, listener);
        start();
    }

    @Override
    public int getDialogMessage() {
        return R.string.loading;
    }

    @Override
    public HttpUriRequest createRequest() {
        try {
            Uri url = Uri.parse(URL_SHORTENER_URL).buildUpon().appendQueryParameter("key", URL_SHORTENER_API_KEY)
                    .build();
            HttpUriRequest request = new HttpPost(url.toString());
            String requestString = "{\"longUrl\": \"" + (String) requestData + "\"}";
            ((HttpPost) request).setEntity(new StringEntity(requestString));
            request.setHeader("Content-Type", "application/json");
            return request;
        } catch (UnsupportedEncodingException e) {
            return null;
        }
    }

    @Override
    public void parseResponse(HttpResponse response) {
        String content = readContent(response);
        ShortenedUrl shortenerResponse = getGson().fromJson(content, ShortenedUrl.class);
        success(shortenerResponse.getId());
    }

}