biz.shadowservices.DegreesToolbox.HttpGetter.java Source code

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Here is the source code for biz.shadowservices.DegreesToolbox.HttpGetter.java

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/*******************************************************************************
 * Copyright (c) 2011 Jordan Thoms.
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package biz.shadowservices.DegreesToolbox;

import java.io.IOException;
import java.io.StringWriter;
import java.net.URI;

import org.apache.commons.io.IOUtils;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;

public class HttpGetter {
    // This class handles the simple getting of a url resource and returning the result
    // Since it's a pain to write out all the IOUtils stuff all the time.
    private static String TAG = "2DegreesHttpGetter";
    private String response = null;
    private HttpGet httpget = null;

    public HttpGetter(URI uri) {
        httpget = new HttpGet(uri);
    }

    public HttpGetter(String uri) {
        httpget = new HttpGet(uri);
    }

    public String execute() throws ClientProtocolException, IOException {
        //TODO: Better exception handling/retries here, although just bumping it up seems to work
        if (response == null) {
            HttpClient httpClient = HttpClientSingleton.getInstance();
            HttpResponse serverresponse = null;
            serverresponse = httpClient.execute(httpget);
            HttpEntity entity = serverresponse.getEntity();
            StringWriter writer = new StringWriter();
            IOUtils.copy(entity.getContent(), writer);
            response = writer.toString();
        }
        return response;
    }
}