Synnefo » Pithos Android Client

package com.rackspacecloud.android;

import org.apache.http.HttpResponse;

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

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

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

import com.rackspace.cloud.servers.api.client.http.HttpBundle;

import android.os.AsyncTask;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.view.Window;

import android.widget.Button;

public class ConfirmResizeActivity extends CloudActivity {

        private Server server;

        /** Called when the activity is first created. */

        @Override

        public void onCreate(Bundle savedInstanceState) {

                super.onCreate(savedInstanceState);

                requestWindowFeature(Window.FEATURE_NO_TITLE); 

                setContentView(R.layout.viewresize);     

                server = (Server) this.getIntent().getExtras().get("server");

                restoreState(savedInstanceState);

        }

        @Override

        protected void onSaveInstanceState(Bundle outState) {

                super.onSaveInstanceState(outState);

                outState.putSerializable("server", server);

        }

        protected void restoreState(Bundle state) {

                super.restoreState(state);

                if (server == null && state != null && state.containsKey("server")) {

                        server = (Server) state.getSerializable("server");

                }

                setupButtons();

        }

        private void setupButtons(){

                Button confirm = (Button)findViewById(R.id.confirm_resize_button);

                confirm.setOnClickListener(new OnClickListener() {

                        @Override

                        public void onClick(View v) {

                                new ConfirmResizeTask().execute((Void[]) null);

                                finish();

                        }

                });

                Button rollback = (Button)findViewById(R.id.rollback_server_button);

                rollback.setOnClickListener(new OnClickListener() {

                        @Override

                        public void onClick(View v) {

                                new RollbackResizeTask().execute((Void[]) null);        

                                finish();

                        }

                });

        }

        private class ConfirmResizeTask extends AsyncTask<Void, Void, HttpBundle> {

                private CloudServersException exception;

                @Override

                //let user know their process has started

                protected void onPreExecute(){

                        showToast("Confirm process has begun");

                }

                @Override

                protected HttpBundle doInBackground(Void... arg0) {

                        HttpBundle bundle = null;

                        try {

                                bundle = (new ServerManager()).confirmResize(server, getContext());

                        } catch (CloudServersException e) {

                                exception = e;

                        }

                        return bundle;

                }

                @Override

                protected void onPostExecute(HttpBundle bundle) {

                        HttpResponse response = bundle.getResponse();

                        if (response != null) {

                                int statusCode = response.getStatusLine().getStatusCode();        

                                if(statusCode == 204){ showToast("Server resize was successfully confirmed."); }

                                else {

                                        CloudServersException cse = parseCloudServersException(response);

                                        if ("".equals(cse.getMessage())) {

                                                showError("There was a problem confirming your resize.", bundle);

                                        } else {

                                                showError("There was a problem confirming your resize." + cse.getMessage(), bundle);

                                        }

                                }

                        } else if (exception != null) {

                                showError("There was a problem confirming your resize." + exception.getMessage(), bundle);

                        }

                }

        }

        private class RollbackResizeTask extends AsyncTask<Void, Void, HttpBundle> {

                private CloudServersException exception;

                @Override

                //let user know their process has started

                protected void onPreExecute(){

                        showToast("Reverting your server.");

                }

                @Override

                protected HttpBundle doInBackground(Void... arg0) {

                        HttpBundle bundle = null;

                        try {

                                bundle = (new ServerManager()).revertResize(server, getContext());

                        } catch (CloudServersException e) {

                                exception = e;

                        }

                        return bundle;

                }

                @Override

                protected void onPostExecute(HttpBundle bundle) {

                        HttpResponse response = bundle.getResponse();

                        if (response != null) {

                                int statusCode = response.getStatusLine().getStatusCode();        

                                if(statusCode == 202){ showToast("Server was successfully reverted."); }

                                else {

                                        CloudServersException cse = parseCloudServersException(response);

                                        if ("".equals(cse.getMessage())) {

                                                showError("There was a problem reverting your server.", bundle);

                                        } else {

                                                showError("There was a problem reverting your server." + cse.getMessage(), bundle);

                                        }

                                }

                        } else if (exception != null) {

                                showError("There was a problem reverting your server." + exception.getMessage(), bundle);

                        }

                }

        }

}