/*******************************************************************************
 * Copyright 2013-2015 alladin-IT GmbH
 * 
 * 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 at.alladin.rmbt.android.util;

import java.net.HttpURLConnection;
import java.net.URL;

import android.os.AsyncTask;

/**
 * 
 * @author lb
 *
 */
public class AsyncHtmlStatusCodeRetriever extends AsyncTask<String, Void, Integer> {

	private ContentRetrieverListener listener;
	
	/**
	 * 
	 * @author lb
	 *
	 */
	public static interface ContentRetrieverListener {
		public void onContentFinished(Integer statusCode);
	}
	
	/**
	 * 
	 * @param listener
	 */
	public void setContentRetrieverListener(ContentRetrieverListener listener) {
		this.listener = listener;
	}
	
	@Override
	protected Integer doInBackground(String... params) {
        try
        {
            URL url = new URL(params[0]);
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            try {
                connection.setConnectTimeout(3000);
                connection.connect();
                final int statusCode = connection.getResponseCode();
                System.out.println("response code: " + statusCode);
                return statusCode;
                
            }
            catch (Exception e) {
                return null;
            }
            finally {
                connection.disconnect();
            }
        }
        catch (Exception e)
        {
            return null;
        }
            
	}
	
	@Override
	protected void onPostExecute(Integer result) {
		super.onPostExecute(result);
		
		if (this.listener != null) {
			listener.onContentFinished(result);
		}
	}
}