ProcessRequest.java

/*
 * This file is part of Prepay Credit for Android
 *
 * Copyright © 2013  Damien O'Reilly
 *
 * Prepay Credit for Android 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.
 *
 * Prepay Credit for Android 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 Prepay Credit for Android.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Report bugs or new features at: https://github.com/DamienOReilly/PrepayCredit
 * Contact the author at:          damienreilly@gmail.com
 */

package damo.three.ie.net;

import damo.three.ie.util.HtmlUtilities;
import org.acra.ACRA;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpEntityEnclosingRequestBase;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.protocol.HTTP;

import java.io.IOException;
import java.util.List;

public class ProcessRequest {

    private DefaultHttpClient httpClient = null;

    /**
     * @param httpClient HttpClient to perform requests with
     */
    public ProcessRequest(DefaultHttpClient httpClient) {
        this.httpClient = httpClient;
    }

    /**
     * Returns HTML content of URL via GET
     *
     * @param url URL to fetch
     * @return Page contents
     * @throws IOException
     */
    public String process(String url) throws IOException {
        HttpUriRequest httpUriRequest = new HttpGet(url);
        return getString(httpUriRequest);

    }

    /**
     * Returns HTML content of URL via POST
     *
     * @param url URL to fetch
     * @param nvp POST data
     * @return Page contents
     * @throws IOException
     */
    public String process(String url, List<NameValuePair> nvp) throws IOException {
        HttpUriRequest httpUriRequest = new HttpPost(url);
        ((HttpEntityEnclosingRequestBase) httpUriRequest).setEntity(new UrlEncodedFormEntity(nvp, HTTP.UTF_8));
        return getString(httpUriRequest);
    }

    private String getString(HttpUriRequest httpUriRequest) throws IOException {
        HttpResponse httpResponse = httpClient.execute(httpUriRequest);
        HttpEntity httpEntity = httpResponse.getEntity();

        String pageContent = HtmlUtilities.getPageContent(httpEntity);
        if (httpEntity != null) {
            httpEntity.consumeContent();
        }

        // add current page content crash report logger in-case application falls over. This is useful for
        // debugging logging in or parsing problems.
        // These pages don't contain the users credentials or other personal/sensitive information.
        ACRA.getErrorReporter().putCustomData("CURRENT_PAGE_CONTENT", pageContent);
        return pageContent;
    }

}