com.comcast.freeflow.examples.artbook.models.DribbbleFetch.java Source code

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Here is the source code for com.comcast.freeflow.examples.artbook.models.DribbbleFetch.java

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/*******************************************************************************
 * Copyright 2013 Comcast Cable Communications Management, LLC
 * 
 * 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 com.comcast.freeflow.examples.artbook.models;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Map;

import com.comcast.freeflow.examples.artbook.ArtbookActivity;
import com.google.gson.Gson;
import com.squareup.okhttp.OkHttpClient;

import android.os.AsyncTask;
import android.os.Bundle;
import android.app.Activity;
import android.util.Log;
import android.view.Menu;

public class DribbbleFetch {

    public static final String TAG = "DribbbleFetch";

    public void load(final ArtbookActivity caller, int itemsPerPage, int page) {

        new AsyncTask<String, Void, String>() {

            OkHttpClient client = new OkHttpClient();

            private Exception exception;

            protected String doInBackground(String... urls) {
                try {
                    return get(new URL(urls[0]));

                } catch (Exception e) {
                    this.exception = e;
                    Log.e(TAG, "Exception: " + e);
                    return null;
                }
            }

            protected void onPostExecute(String data) {
                DribbbleFeed feed = new Gson().fromJson(data, DribbbleFeed.class);
                caller.onDataLoaded(feed);
            }

            String get(URL url) throws IOException {
                HttpURLConnection connection = client.open(url);
                InputStream in = null;
                try {
                    in = connection.getInputStream();
                    byte[] response = readFully(in);
                    return new String(response, "UTF-8");
                } finally {
                    if (in != null)
                        in.close();
                }
            }

            byte[] readFully(InputStream in) throws IOException {
                ByteArrayOutputStream out = new ByteArrayOutputStream();
                byte[] buffer = new byte[1024];
                for (int count; (count = in.read(buffer)) != -1;) {
                    out.write(buffer, 0, count);
                }
                return out.toByteArray();
            }

        }.execute("http://api.dribbble.com/shots/popular?per_page=" + itemsPerPage + "&page=" + page);
    }

}