de.chaosdorf.meteroid.longrunningio.LongRunningIOGet.java Source code

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Here is the source code for de.chaosdorf.meteroid.longrunningio.LongRunningIOGet.java

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/*******************************************************************************
 * The MIT License (MIT)
 *
 * Copyright (c) 2013 Chaosdorf e.V.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 ******************************************************************************/

package de.chaosdorf.meteroid.longrunningio;

import android.os.AsyncTask;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.protocol.BasicHttpContext;
import org.apache.http.protocol.HTTP;
import org.apache.http.protocol.HttpContext;
import org.apache.http.util.EntityUtils;

public class LongRunningIOGet extends AsyncTask<Void, Void, String> {
    private final LongRunningIOCallback callback;
    private final LongRunningIOTask id;
    private final String url;

    public LongRunningIOGet(final LongRunningIOCallback callback, final LongRunningIOTask id, final String url) {
        this.callback = callback;
        this.id = id;
        this.url = url;
    }

    @Override
    protected String doInBackground(Void... params) {
        HttpClient httpClient = new DefaultHttpClient();
        HttpContext localContext = new BasicHttpContext();
        HttpGet httpGet = new HttpGet(url);
        try {
            HttpResponse response = httpClient.execute(httpGet, localContext);
            int code = response.getStatusLine().getStatusCode();
            if (code >= 400 && code <= 599) {
                callback.displayErrorMessage(id, response.getStatusLine().getReasonPhrase());
                return null;
            }
            HttpEntity entity = response.getEntity();
            return EntityUtils.toString(entity, HTTP.UTF_8);
        } catch (Exception e) {
            callback.displayErrorMessage(id, e.getLocalizedMessage());
            return null;
        }
    }

    @Override
    protected void onPostExecute(String result) {
        callback.processIOResult(id, result);
    }
}