Synnefo » Pithos Android Client

package com.rackspacecloud.android;

import java.io.IOException;

import java.io.StringReader;

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.impl.client.BasicResponseHandler;

import org.xml.sax.InputSource;

import org.xml.sax.SAXException;

import org.xml.sax.XMLReader;

import android.app.Activity;

import android.app.AlertDialog;

import android.content.DialogInterface;

import android.os.AsyncTask;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.EditText;

import android.widget.Toast;

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.parsers.CloudServersFaultXMLParser;

public class PasswordServerActivity extends Activity implements OnClickListener{

        private Server server;

        private String modifiedPassword;

        public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.viewchangepassword); 

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

            setupButtons();       

    }

        private void setupButtons() {

                Button update = (Button) findViewById(R.id.password_change_button);

                update.setOnClickListener(this);

        }

        @Override

        public void onClick(View v) {

                String password = ((EditText)findViewById(R.id.password_edittext)).getText().toString();

                String confirm = ((EditText)findViewById(R.id.password_confirm_edittext)).getText().toString();

                if(password.equals(confirm)){

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

                }

                else{

                        String mustMatch = "The password and confirmation do not match.";

                        Toast passwordError = Toast.makeText(getApplicationContext(), mustMatch, Toast.LENGTH_SHORT);

                        passwordError.show();

                }

        }

        private void showAlert(String title, String message) {

                AlertDialog alert = new AlertDialog.Builder(this).create();

                alert.setTitle(title);

                alert.setMessage(message);

                alert.setButton("OK", new DialogInterface.OnClickListener() {

                        public void onClick(DialogInterface dialog, int which) {

                                return;

                        } }); 

                alert.show();

        }

        private CloudServersException parseCloudServersException(HttpResponse response) {

                CloudServersException cse = new CloudServersException();

                try {

                    BasicResponseHandler responseHandler = new BasicResponseHandler();

                    String body = responseHandler.handleResponse(response);

                    CloudServersFaultXMLParser parser = new CloudServersFaultXMLParser();

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

                    XMLReader xmlReader = saxParser.getXMLReader();

                    xmlReader.setContentHandler(parser);

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

                    cse = parser.getException();                            

                } catch (ClientProtocolException e) {

                        cse = new CloudServersException();

                        cse.setMessage(e.getLocalizedMessage());

                } catch (IOException e) {

                        cse = new CloudServersException();

                        cse.setMessage(e.getLocalizedMessage());

                } catch (ParserConfigurationException e) {

                        cse = new CloudServersException();

                        cse.setMessage(e.getLocalizedMessage());

                } catch (SAXException e) {

                        cse = new CloudServersException();

                        cse.setMessage(e.getLocalizedMessage());

                } catch (FactoryConfigurationError e) {

                        cse = new CloudServersException();

                        cse.setMessage(e.getLocalizedMessage());

                }

                return cse;

        }

        private class PasswordServerTask extends AsyncTask<Void, Void, HttpResponse> {

                private CloudServersException exception;

                @Override

                protected HttpResponse doInBackground(Void... arg0) {

                        HttpResponse resp = null;

                        try {

                                resp = (new ServerManager()).changePassword(server, modifiedPassword);

                        } catch (CloudServersException e) {

                                exception = e;

                        }

                        return resp;

                }

                @Override

                protected void onPostExecute(HttpResponse response) {

                        if (response != null) {

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

                                if(statusCode == 204){

                                        String mustMatch = "The server's root password has successfully been changed.";

                                        Toast passwordError = Toast.makeText(getApplicationContext(), mustMatch, Toast.LENGTH_SHORT);

                                        passwordError.show();

                                        finish();

                                }

                                if (statusCode != 204) {

                                        CloudServersException cse = parseCloudServersException(response);

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

                                                showAlert("Error", "There was a problem changing your password.");

                                        } else {

                                                showAlert("Error", "There was a problem changing your password: " + cse.getMessage() + " " + statusCode);

                                        }

                                }

                        } else if (exception != null) {

                                showAlert("Error", "There was a problem changing your password: " + exception.getMessage());

                        }

                }

        }

}