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 com.rackspace.cloud.files.api.client.ContainerObjectManager;

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

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

import com.rackspace.cloud.servers.api.client.parsers.CloudServersFaultXMLParser;

import android.app.Activity;

import android.app.AlertDialog;

import android.app.ProgressDialog;

import android.content.Context;

import android.content.DialogInterface;

import android.content.Intent;

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;

public class AddFileActivity extends Activity implements OnClickListener{

        private Context context;        

        private EditText fileName;

        private EditText contents;

        private String containerName;

        private String path;

        private boolean isAdding;

        private ProgressDialog dialog;

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

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.addtextfile);

        context = getApplicationContext();

        containerName = (String) this.getIntent().getExtras().get("Cname");

        path = (String) this.getIntent().getExtras().get("curPath");

        setUpDialog(savedInstanceState);

        setUpInputs();

    }

    private void setUpInputs(){

            ((Button) findViewById(R.id.new_file_button)).setOnClickListener(this);

            fileName = ((EditText)findViewById(R.id.file_name_text));

            fileName.append(".txt");

            contents = ((EditText)findViewById(R.id.new_file_text));

    }

    private void setUpDialog(Bundle savedInstanceState){

        isAdding = savedInstanceState != null && savedInstanceState.containsKey("isAdding") 

                    && savedInstanceState.getBoolean("isAdding");

        if(isAdding){

                showDialog();

        }

    }

    @Override

        protected void onSaveInstanceState(Bundle outState) {

                super.onSaveInstanceState(outState);

                outState.putBoolean("isAdding", isAdding);

                if(isAdding){

                        hideDialog();

                }

        }

    public void onClick(View arg0) {

                if ("".equals(fileName.getText().toString())) {

                        showAlert("Required Fields Missing", " File name is required.");

                } else {

                        //showActivityIndicators();

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

                }

        }

    //using cloudServersException, it works for us too

        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 void showAlert(String title, String message) {

            try {

                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();

            } catch (Exception e) {

                    e.printStackTrace();

            }

    }

        private void startFileError(String message, HttpBundle bundle){

                Intent viewIntent = new Intent(getApplicationContext(), ServerErrorActivity.class);

                viewIntent.putExtra("errorMessage", message);

                viewIntent.putExtra("response", bundle.getResponseText());

                viewIntent.putExtra("request", bundle.getCurlRequest());

                startActivity(viewIntent);

        }

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

            private CloudServersException exception;

            @Override

                protected void onPreExecute(){

                        isAdding = true;

                        showDialog();

                }

            @Override

                protected HttpBundle doInBackground(Void... arg0) {

                    HttpBundle bundle = null;

                        try {

                                bundle = (new ContainerObjectManager(context)).addObject(containerName, path, fileName.getText().toString(), "text/plain", contents.getText().toString());

                        } catch (CloudServersException e) {

                                exception = e;

                        }

                        return bundle;

                }

                @Override

                protected void onPostExecute(HttpBundle bundle) {

                        isAdding = false;

                        hideDialog();

                        HttpResponse response = bundle.getResponse();

                        if (response != null) {

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

                                if (statusCode == 201) {

                                        setResult(Activity.RESULT_OK);

                                        finish();

                                } else {

                                        CloudServersException cse = parseCloudServersException(response);

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

                                                startFileError("There was a problem creating your file.", bundle);

                                        } else {

                                                startFileError("There was a problem creating your file: " + cse.getMessage() +  " See details for more information", bundle);

                                        }

                                }

                        } else if (exception != null) {

                                startFileError("There was a problem creating your file: " + exception.getMessage()+ " See details for more information", bundle);                                

                        }                        

                }

    }

        private void showDialog() {

                if(dialog == null || !dialog.isShowing()){

                        dialog = ProgressDialog.show(AddFileActivity.this, "", "Adding File...", true);

                }

    }

    private void hideDialog() {

            if(dialog != null){

                    dialog.dismiss();

            }

    }

}