root / src / com / rackspacecloud / android / ViewServerActivity.java @ a597c658
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/**
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*
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*/
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package com.rackspacecloud.android; |
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import java.io.IOException; |
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import java.io.StringReader; |
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import java.util.Iterator; |
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import javax.xml.parsers.FactoryConfigurationError; |
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import javax.xml.parsers.ParserConfigurationException; |
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import javax.xml.parsers.SAXParser; |
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import javax.xml.parsers.SAXParserFactory; |
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import org.apache.http.HttpResponse; |
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import org.apache.http.client.ClientProtocolException; |
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import org.apache.http.impl.client.BasicResponseHandler; |
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import org.xml.sax.InputSource; |
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import org.xml.sax.SAXException; |
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import org.xml.sax.XMLReader; |
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import android.app.Activity; |
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import android.app.AlertDialog; |
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import android.app.Dialog; |
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import android.content.Context; |
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import android.content.DialogInterface; |
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import android.graphics.Color; |
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import android.os.AsyncTask; |
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import android.os.Bundle; |
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import android.view.View; |
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import android.view.View.OnClickListener; |
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import android.widget.Button; |
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import android.widget.ImageView; |
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import android.widget.LinearLayout; |
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import android.widget.TextView; |
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import com.rackspace.cloud.servers.api.client.CloudServersException; |
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import com.rackspace.cloud.servers.api.client.Flavor; |
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import com.rackspace.cloud.servers.api.client.Server; |
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import com.rackspace.cloud.servers.api.client.ServerManager; |
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import com.rackspace.cloud.servers.api.client.parsers.CloudServersFaultXMLParser; |
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/**
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* @author Mike Mayo - mike.mayo@rackspace.com - twitter.com/greenisus
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*
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*/
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public class ViewServerActivity extends Activity { |
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private Server server;
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private boolean ipAddressesLoaded; // to prevent polling from loading tons of duplicates |
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private Flavor[] flavors; |
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private String[] flavorNames; |
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private String selectedFlavorId; |
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private boolean imageLoaded; |
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Context context;
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/** Called when the activity is first created. */
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@Override
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public void onCreate(Bundle savedInstanceState) { |
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super.onCreate(savedInstanceState);
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server = (Server) this.getIntent().getExtras().get("server"); |
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context = getApplicationContext(); |
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setContentView(R.layout.viewserver); |
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restoreState(savedInstanceState); |
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} |
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@Override
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protected void onSaveInstanceState(Bundle outState) { |
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super.onSaveInstanceState(outState);
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outState.putSerializable("server", server);
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outState.putBoolean("imageLoaded", imageLoaded);
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} |
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private void restoreState(Bundle state) { |
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if (state != null && state.containsKey("server")) { |
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server = (Server) state.getSerializable("server");
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imageLoaded = state.getBoolean("imageLoaded");
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} |
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loadServerData(); |
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setupButtons(); |
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loadFlavors(); |
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} |
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private void loadImage() { |
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// hate to do this, but devices run out of memory after a few rotations
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// because the background images are so large
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if (!imageLoaded) {
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ImageView osLogo = (ImageView) findViewById(R.id.view_server_os_logo); |
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osLogo.setAlpha(100);
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osLogo.setImageResource(server.getImage().logoResourceId()); |
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imageLoaded = true;
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} |
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} |
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private void loadServerData() { |
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TextView name = (TextView) findViewById(R.id.view_server_name); |
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name.setText(server.getName()); |
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TextView os = (TextView) findViewById(R.id.view_server_os); |
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os.setText(server.getImage().getName()); |
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TextView memory = (TextView) findViewById(R.id.view_server_memory); |
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memory.setText(server.getFlavor().getRam() + " MB");
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TextView disk = (TextView) findViewById(R.id.view_server_disk); |
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disk.setText(server.getFlavor().getDisk() + " GB");
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TextView status = (TextView) findViewById(R.id.view_server_status); |
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// show status and possibly the progress, with polling
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if (!"ACTIVE".equals(server.getStatus())) { |
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status.setText(server.getStatus() + " - " + server.getProgress() + "%"); |
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new PollServerTask().execute((Void[]) null); |
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} else {
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status.setText(server.getStatus()); |
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} |
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if (!ipAddressesLoaded) {
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// public IPs
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int layoutIndex = 12; // public IPs start here |
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LinearLayout layout = (LinearLayout) this.findViewById(R.id.view_server_layout);
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String publicIps[] = server.getPublicIpAddresses(); |
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for (int i = 0; i < publicIps.length; i++) { |
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TextView tv = new TextView(this.getBaseContext()); |
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tv.setLayoutParams(os.getLayoutParams()); // easy quick styling! :)
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tv.setTypeface(tv.getTypeface(), 1); // 1 == bold |
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tv.setTextSize(os.getTextSize()); |
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tv.setTextColor(Color.WHITE);
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tv.setText(publicIps[i]); |
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layout.addView(tv, layoutIndex++); |
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} |
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// private IPs
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layoutIndex++; // skip over the Private IPs label
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String privateIps[] = server.getPrivateIpAddresses(); |
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for (int i = 0; i < privateIps.length; i++) { |
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TextView tv = new TextView(this.getBaseContext()); |
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tv.setLayoutParams(os.getLayoutParams()); // easy quick styling! :)
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tv.setTypeface(tv.getTypeface(), 1); // 1 == bold |
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tv.setTextSize(os.getTextSize()); |
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tv.setTextColor(Color.WHITE);
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tv.setText(privateIps[i]); |
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layout.addView(tv, layoutIndex++); |
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} |
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loadImage(); |
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ipAddressesLoaded = true;
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} |
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} |
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private void loadFlavors() { |
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flavorNames = new String[Flavor.getFlavors().size()]; |
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flavors = new Flavor[Flavor.getFlavors().size()];
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Iterator<Flavor> iter = Flavor.getFlavors().values().iterator();
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int i = 0; |
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while (iter.hasNext()) {
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Flavor flavor = iter.next(); |
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flavors[i] = flavor; |
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flavorNames[i] = flavor.getName() + ", " + flavor.getDisk() + " GB disk"; |
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i++; |
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} |
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selectedFlavorId = flavors[0].getId();
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} |
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private void setupButton(int resourceId, OnClickListener onClickListener) { |
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Button button = (Button) findViewById(resourceId); |
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button.setOnClickListener(onClickListener); |
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} |
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private void setupButtons() { |
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setupButton(R.id.view_server_soft_reboot_button, new OnClickListener() {
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public void onClick(View v) { |
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showDialog(R.id.view_server_soft_reboot_button); |
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} |
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}); |
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setupButton(R.id.view_server_hard_reboot_button, new OnClickListener() {
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public void onClick(View v) { |
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showDialog(R.id.view_server_hard_reboot_button); |
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} |
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}); |
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setupButton(R.id.view_server_resize_button, new OnClickListener() {
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public void onClick(View v) { |
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showDialog(R.id.view_server_resize_button); |
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} |
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}); |
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setupButton(R.id.view_server_delete_button, new OnClickListener() {
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public void onClick(View v) { |
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showDialog(R.id.view_server_delete_button); |
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} |
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}); |
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} |
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private void showAlert(String title, String message) { |
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AlertDialog alert = new AlertDialog.Builder(this).create(); |
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alert.setTitle(title); |
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alert.setMessage(message); |
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alert.setButton("OK", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int which) { |
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return;
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} }); |
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alert.show(); |
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} |
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/**
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* @return the server
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*/
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public Server getServer() {
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return server;
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} |
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/**
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* @param server the server to set
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*/
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public void setServer(Server server) { |
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this.server = server;
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} |
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@Override
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protected Dialog onCreateDialog(int id) { |
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switch (id) {
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case R.id.view_server_soft_reboot_button:
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return new AlertDialog.Builder(ViewServerActivity.this) |
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.setIcon(R.drawable.alert_dialog_icon) |
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.setTitle("Soft Reboot")
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.setMessage("Are you sure you want to perform a soft reboot?")
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.setPositiveButton("Reboot Server", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int whichButton) { |
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// User clicked OK so do some stuff
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new SoftRebootServerTask().execute((Void[]) null); |
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} |
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}) |
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.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int whichButton) { |
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// User clicked Cancel so do some stuff
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} |
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}) |
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.create(); |
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case R.id.view_server_hard_reboot_button:
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return new AlertDialog.Builder(ViewServerActivity.this) |
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.setIcon(R.drawable.alert_dialog_icon) |
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.setTitle("Hard Reboot")
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.setMessage("Are you sure you want to perform a hard reboot?")
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.setPositiveButton("Reboot Server", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int whichButton) { |
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// User clicked OK so do some stuff
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new HardRebootServerTask().execute((Void[]) null); |
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} |
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}) |
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.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int whichButton) { |
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// User clicked Cancel so do some stuff
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} |
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}) |
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.create(); |
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case R.id.view_server_resize_button:
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return new AlertDialog.Builder(ViewServerActivity.this) |
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.setItems(flavorNames, new ResizeClickListener())
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.setIcon(R.drawable.alert_dialog_icon) |
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.setTitle("Resize Server")
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.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int whichButton) { |
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// User clicked Cancel so do some stuff
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} |
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}) |
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.create(); |
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case R.id.view_server_delete_button:
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return new AlertDialog.Builder(ViewServerActivity.this) |
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.setIcon(R.drawable.alert_dialog_icon) |
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.setTitle("Delete Server")
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.setMessage("Are you sure you want to delete this server? This operation cannot be undone and all backups will be deleted.")
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.setPositiveButton("Delete Server", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int whichButton) { |
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// User clicked OK so do some stuff
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new DeleteServerTask().execute((Void[]) null); |
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} |
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}) |
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.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int whichButton) { |
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// User clicked Cancel so do some stuff
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} |
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}) |
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.create(); |
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} |
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return null; |
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} |
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private class ResizeClickListener implements android.content.DialogInterface.OnClickListener { |
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public void onClick(DialogInterface dialog, int which) { |
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selectedFlavorId = which + "";
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new ResizeServerTask().execute((Void[]) null); |
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} |
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} |
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private CloudServersException parseCloudServersException(HttpResponse response) {
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CloudServersException cse = new CloudServersException();
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try {
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BasicResponseHandler responseHandler = new BasicResponseHandler();
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String body = responseHandler.handleResponse(response);
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CloudServersFaultXMLParser parser = new CloudServersFaultXMLParser();
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SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); |
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XMLReader xmlReader = saxParser.getXMLReader(); |
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xmlReader.setContentHandler(parser); |
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xmlReader.parse(new InputSource(new StringReader(body))); |
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cse = parser.getException(); |
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} catch (ClientProtocolException e) {
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cse = new CloudServersException();
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cse.setMessage(e.getLocalizedMessage()); |
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} catch (IOException e) { |
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cse = new CloudServersException();
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cse.setMessage(e.getLocalizedMessage()); |
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} catch (ParserConfigurationException e) { |
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cse = new CloudServersException();
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cse.setMessage(e.getLocalizedMessage()); |
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} catch (SAXException e) {
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cse = new CloudServersException();
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cse.setMessage(e.getLocalizedMessage()); |
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} catch (FactoryConfigurationError e) { |
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cse = new CloudServersException();
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cse.setMessage(e.getLocalizedMessage()); |
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} |
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return cse;
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} |
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// HTTP request tasks
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private class PollServerTask extends AsyncTask<Void, Void, Server> { |
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@Override
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protected Server doInBackground(Void... arg0) { |
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try {
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server = (new ServerManager()).find(Integer.parseInt(server.getId()), context); |
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} catch (NumberFormatException e) { |
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// we're polling, so need to show exceptions
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} catch (CloudServersException e) {
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// we're polling, so need to show exceptions
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} |
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return server;
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} |
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@Override
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protected void onPostExecute(Server result) { |
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server = result; |
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loadServerData(); |
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} |
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} |
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private class SoftRebootServerTask extends AsyncTask<Void, Void, HttpResponse> { |
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private CloudServersException exception;
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@Override
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protected HttpResponse doInBackground(Void... arg0) { |
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HttpResponse resp = null;
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try {
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resp = (new ServerManager()).reboot(server, ServerManager.SOFT_REBOOT, context);
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} catch (CloudServersException e) {
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exception = e; |
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} |
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return resp;
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} |
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@Override
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protected void onPostExecute(HttpResponse response) { |
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if (response != null) { |
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int statusCode = response.getStatusLine().getStatusCode();
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if (statusCode != 202) { |
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CloudServersException cse = parseCloudServersException(response); |
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if ("".equals(cse.getMessage())) { |
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showAlert("Error", "There was a problem rebooting your server."); |
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} else {
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showAlert("Error", "There was a problem rebooting your server: " + cse.getMessage()); |
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} |
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} |
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} else if (exception != null) { |
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showAlert("Error", "There was a problem rebooting your server: " + exception.getMessage()); |
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} |
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} |
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} |
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private class HardRebootServerTask extends AsyncTask<Void, Void, HttpResponse> { |
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private CloudServersException exception;
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@Override
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protected HttpResponse doInBackground(Void... arg0) { |
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HttpResponse resp = null;
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try {
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resp = (new ServerManager()).reboot(server, ServerManager.HARD_REBOOT, context);
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} catch (CloudServersException e) {
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exception = e; |
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} |
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return resp;
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} |
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@Override
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protected void onPostExecute(HttpResponse response) { |
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if (response != null) { |
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int statusCode = response.getStatusLine().getStatusCode();
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if (statusCode != 202) { |
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CloudServersException cse = parseCloudServersException(response); |
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if ("".equals(cse.getMessage())) { |
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showAlert("Error", "There was a problem rebooting your server."); |
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} else {
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showAlert("Error", "There was a problem rebooting your server: " + cse.getMessage()); |
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} |
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} |
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} else if (exception != null) { |
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showAlert("Error", "There was a problem rebooting your server: " + exception.getMessage()); |
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} |
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} |
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} |
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private class ResizeServerTask extends AsyncTask<Void, Void, HttpResponse> { |
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private CloudServersException exception;
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@Override
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protected HttpResponse doInBackground(Void... arg0) { |
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HttpResponse resp = null;
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try {
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resp = (new ServerManager()).resize(server, Integer.parseInt(selectedFlavorId), context); |
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} catch (CloudServersException e) {
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exception = e; |
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} |
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return resp;
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} |
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@Override
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protected void onPostExecute(HttpResponse response) { |
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if (response != null) { |
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int statusCode = response.getStatusLine().getStatusCode();
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if (statusCode == 202) { |
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new PollServerTask().execute((Void[]) null); |
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} else {
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CloudServersException cse = parseCloudServersException(response); |
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if ("".equals(cse.getMessage())) { |
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showAlert("Error", "There was a problem deleting your server."); |
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} else {
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showAlert("Error", "There was a problem deleting your server: " + cse.getMessage()); |
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} |
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} |
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} else if (exception != null) { |
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showAlert("Error", "There was a problem resizing your server: " + exception.getMessage()); |
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} |
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} |
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} |
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private class DeleteServerTask extends AsyncTask<Void, Void, HttpResponse> { |
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private CloudServersException exception;
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@Override
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protected HttpResponse doInBackground(Void... arg0) { |
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HttpResponse resp = null;
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try {
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resp = (new ServerManager()).delete(server, context);
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} catch (CloudServersException e) {
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exception = e; |
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} |
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return resp;
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} |
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@Override
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protected void onPostExecute(HttpResponse response) { |
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if (response != null) { |
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int statusCode = response.getStatusLine().getStatusCode();
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if (statusCode == 202) { |
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setResult(Activity.RESULT_OK); |
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finish(); |
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} else {
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CloudServersException cse = parseCloudServersException(response); |
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if ("".equals(cse.getMessage())) { |
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showAlert("Error", "There was a problem deleting your server."); |
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} else {
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showAlert("Error", "There was a problem deleting your server: " + cse.getMessage()); |
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} |
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} |
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} else if (exception != null) { |
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showAlert("Error", "There was a problem deleting your server: " + exception.getMessage()); |
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} |
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} |
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} |
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} |