org.sigmond.net.AsyncHttpTask.java Source code

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Here is the source code for org.sigmond.net.AsyncHttpTask.java

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/*
 * Copyright 2013 Daniel Logan
 *
 * 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 org.sigmond.net;

import java.net.URI;
import java.util.List;

import org.apache.http.Header;
import org.apache.http.HttpResponse;
import org.apache.http.client.CookieStore;
import org.apache.http.cookie.Cookie;
import org.apache.http.cookie.CookieOrigin;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.cookie.BrowserCompatSpec;
import org.apache.http.impl.cookie.CookieSpecBase;

import android.os.AsyncTask;

/**
 * Asynchronous Http request task. Performs a request and processes response in a separate thread.
 * Stores response in an HttpRequestInfo object.
 *
 */
public class AsyncHttpTask extends AsyncTask<HttpRequestInfo, Integer, HttpRequestInfo> {

    DefaultHttpClient client;

    public AsyncHttpTask() {
        super();
        client = new DefaultHttpClient();
    }

    protected HttpRequestInfo doInBackground(HttpRequestInfo... params) {
        HttpRequestInfo rinfo = params[0];
        try {
            client.setCookieStore(rinfo.getCookieStore()); //cookie handling
            HttpResponse resp = client.execute(rinfo.getRequest()); //execute request

            //store any new cookies recieved
            CookieStore store = rinfo.getCookieStore();
            Header[] allHeaders = resp.getAllHeaders();
            CookieSpecBase base = new BrowserCompatSpec();
            URI uri = rinfo.getRequest().getURI();
            int port = uri.getPort();
            if (port <= 0)
                port = 80;
            CookieOrigin origin = new CookieOrigin(uri.getHost(), port, uri.getPath(), false);
            for (Header header : allHeaders) {
                List<Cookie> parse = base.parse(header, origin);
                for (Cookie cookie : parse) {
                    if (cookie.getValue() != null && cookie.getValue() != "")
                        store.addCookie(cookie);
                }
            }
            rinfo.setCookieStore(store);
            //store the response
            rinfo.setResponse(resp);
            //process the response string. This is required in newer Android versions.
            //newer versions will not allow reading from a network response input stream in the main thread.
            rinfo.setResponseString(HttpUtils.responseToString(resp));
        } catch (Exception e) {
            rinfo.setException(e);
        }
        return rinfo;
    }

    protected void onPostExecute(HttpRequestInfo rinfo) {
        super.onPostExecute(rinfo);
        rinfo.requestFinished(); //perform callback
    }

}