FetchServerList.java

package com.boombuler.piraten.map;

import java.io.IOException;
import java.net.UnknownHostException;

import org.apache.http.HttpResponse;
import org.apache.http.ParseException;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.util.EntityUtils;

import android.app.Activity;
import android.app.ProgressDialog;

import com.boombuler.piraten.map.data.DBAdapter;
import com.boombuler.piraten.utils.JsonArray;
import com.boombuler.piraten.utils.JsonObject;
import com.boombuler.piraten.utils.JsonParser;
import com.boombuler.piraten.utils.MyHttpClient;


public class FetchServerList implements Runnable {

    private Activity mContext;
    private String mUrl;
    private Runnable mOnCompleteListener;
    private ProgressDialog mProgressDlg;

    public FetchServerList(Activity context) {
        mContext = context;
        mUrl = mContext.getString(R.string.server_list_url);
    }

    @Override
    public void run() {
        DBAdapter dba = new DBAdapter(mContext);
        JsonObject serverList = null;
        try
        {
        	MyHttpClient client = new MyHttpClient(mContext);
            HttpResponse response = client.execute(new HttpGet(mUrl));
            serverList = (JsonObject)JsonParser.Parse(EntityUtils.toString(response.getEntity(), "UTF-8"));
        } catch (UnknownHostException e) {
        	e.printStackTrace();
        } catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} catch (ParseException e) {
			e.printStackTrace();
		} catch (com.boombuler.piraten.utils.JsonParser.ParseException e) {
			e.printStackTrace();
		}
        
        // online continue if we got a server list
        if(serverList != null) {
        	try
        	{
        		dba.open();
        		dba.beginTransaction();

        		dba.ClearServers();
        		JsonArray servers = (JsonArray)serverList.get("ServerList");
        		for (Object sVal : servers ) {
        			JsonObject server = (JsonObject)sVal;

        			dba.InsertServer((String)server.get("ID"), (String)server.get("Name"),
        					(String)server.get("Info"), (String)server.get("URL"));
        		}

        		JsonArray devIds = (JsonArray)serverList.get("Development");
        		for (Object sVal : devIds) {
        			dba.SetDevServer((String)sVal);
        		}

        		dba.setTransactionSuccessful();
        	} catch (Exception e) {
        	} finally {
        		dba.endTransaction();
        		dba.close();
        	}
        }
        if (mOnCompleteListener != null)
            mContext.runOnUiThread(mOnCompleteListener);
        if (mProgressDlg != null) {
            mContext.runOnUiThread(new Runnable() {
                @Override
                public void run() {
                    mProgressDlg.dismiss();
                }
            });
        }
    }

    public void setOnCompleteListener(Runnable listener) {
        mOnCompleteListener = listener;
    }

    public  void setProgressDlg(ProgressDialog dlg) {
        mProgressDlg = dlg;
    }


    public static void Load(Activity context, Runnable onComplete) {
        final ProgressDialog progressDlg = new ProgressDialog(context);
        progressDlg.setOwnerActivity(context);
        progressDlg.setCancelable(false);
        progressDlg.setCanceledOnTouchOutside(false);
        progressDlg.setIndeterminate(true);
        progressDlg.setProgressStyle(ProgressDialog.STYLE_SPINNER);
        progressDlg.setTitle(R.string.settings);
        progressDlg.setMessage(context.getString(R.string.fetching_server_list));
        progressDlg.show();

        FetchServerList fetch = new FetchServerList(context);
        fetch.setOnCompleteListener(onComplete);
        fetch.setProgressDlg(progressDlg);
        new Thread(fetch).start();
    }
}