Synnefo » Pithos Android Client

/**

 * 

 */

package com.rackspace.cloud.loadbalancer.api.client;

import java.io.IOException;

import java.io.StringReader;

import java.util.ArrayList;

import javax.xml.parsers.FactoryConfigurationError;

import javax.xml.parsers.ParserConfigurationException;

import javax.xml.parsers.SAXParser;

import javax.xml.parsers.SAXParserFactory;

import org.apache.http.HttpResponse;

import org.apache.http.client.ClientProtocolException;

import org.apache.http.client.methods.HttpGet;

import org.apache.http.impl.client.BasicResponseHandler;

import org.xml.sax.InputSource;

import org.xml.sax.SAXException;

import org.xml.sax.XMLReader;

import android.content.Context;

import com.rackspace.cloud.files.api.client.CustomHttpClient;

import com.rackspace.cloud.loadbalancer.api.parsers.AlgorithmsXMLParser;

import com.rackspace.cloud.servers.api.client.Account;

import com.rackspacecloud.android.Preferences;

public class AlgorithmManager extends EntityManager {

        public ArrayList<Algorithm> createList(Context context) {

                CustomHttpClient httpclient = new CustomHttpClient(context);

                String url = "";

                String authServer = Account.getAccount().getAuthServer();

                if(authServer == null){

                        authServer = Account.getAccount().getAuthServerV2();

                }

                if(authServer.equals(Preferences.COUNTRY_US_AUTH_SERVER) || authServer.equals(Preferences.COUNTRY_US_AUTH_SERVER_V2)){

                        url = Account.getLoadBalancerDFWUrl() + Account.getAccount().getAccountId() + "/loadbalancers/algorithms.xml";

                } else if(authServer.equals(Preferences.COUNTRY_UK_AUTH_SERVER) || authServer.equals(Preferences.COUNTRY_UK_AUTH_SERVER_V2)){

                        url = Account.getLoadBalancerLONUrl() + Account.getAccount().getAccountId() + "/loadbalancers/algorithms.xml";

                }

                HttpGet get = new HttpGet(url);

                ArrayList<Algorithm> algorithms = new ArrayList<Algorithm>();

                get.addHeader("X-Auth-Token", Account.getAccount().getAuthToken());

                try {                        

                        HttpResponse resp = httpclient.execute(get);

                    BasicResponseHandler responseHandler = new BasicResponseHandler();

                    String body = responseHandler.handleResponse(resp);

                    if (resp.getStatusLine().getStatusCode() == 200) {                            

                            AlgorithmsXMLParser algorithmsXMLParser = new AlgorithmsXMLParser();

                            SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser();

                            XMLReader xmlReader = saxParser.getXMLReader();

                            xmlReader.setContentHandler(algorithmsXMLParser);

                            xmlReader.parse(new InputSource(new StringReader(body)));        

                            algorithms = algorithmsXMLParser.getAlgorithms();        

                    }

                } catch (ClientProtocolException cpe) {

                        cpe.printStackTrace();

                        // we'll end up with an empty list; that's good enough

                } catch (IOException e) {

                        e.printStackTrace();

                        // we'll end up with an empty list; that's good enough

                } catch (ParserConfigurationException e) {

                        e.printStackTrace();

                        // we'll end up with an empty list; that's good enough

                } catch (SAXException e) {

                        e.printStackTrace();

                        // we'll end up with an empty list; that's good enough

                } catch (FactoryConfigurationError e) {

                        e.printStackTrace();

                        // we'll end up with an empty list; that's good enough

                }

                return algorithms;

        }

}