root / src / com / rackspacecloud / android / ConnectionThrottleActivity.java @ 5018a7f8
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package com.rackspacecloud.android; |
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import org.apache.http.HttpResponse; |
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import android.app.Activity; |
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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.EditText; |
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import com.rackspace.cloud.loadbalancer.api.client.ConnectionThrottle; |
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import com.rackspace.cloud.loadbalancer.api.client.ConnectionThrottleManager; |
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import com.rackspace.cloud.loadbalancer.api.client.LoadBalancer; |
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import com.rackspace.cloud.servers.api.client.CloudServersException; |
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import com.rackspace.cloud.servers.api.client.http.HttpBundle; |
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public class ConnectionThrottleActivity extends CloudActivity{ |
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private LoadBalancer loadBalancer;
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private ConnectionThrottle connectionThrottle;
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private EditText minCons;
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private EditText maxCons;
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private EditText maxConRate;
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private EditText rateInterval;
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private final String ENABLE = "Enable Throttle"; |
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private final String DISABLE = "Disable Throttle"; |
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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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loadBalancer = (LoadBalancer) this.getIntent().getExtras().get("loadBalancer"); |
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setContentView(R.layout.connectionthrottle); |
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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("loadBalancer", loadBalancer);
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} |
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protected void restoreState(Bundle state) { |
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super.restoreState(state);
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if(state != null && state.containsKey("loadBalancer")){ |
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loadBalancer = (LoadBalancer)state.getSerializable("loadBalancer");
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} |
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connectionThrottle = loadBalancer.getConnectionThrottle(); |
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minCons = (EditText)findViewById(R.id.min_connections_text); |
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maxCons = (EditText)findViewById(R.id.max_connections_text); |
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maxConRate = (EditText)findViewById(R.id.max_connection_rate); |
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rateInterval = (EditText)findViewById(R.id.rate_interval); |
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setupButtons(); |
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setupText(); |
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} |
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private void setupButtons(){ |
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Button enable = (Button)findViewById(R.id.enable_throttle_button); |
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if(loadBalancer.getConnectionThrottle() == null){ |
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enable.setText(ENABLE); |
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} else {
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enable.setText(DISABLE); |
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} |
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enable.setOnClickListener(new OnClickListener() {
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Button enable = (Button)findViewById(R.id.enable_throttle_button); |
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@Override
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public void onClick(View v) { |
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if(enable.getText().toString().equals(ENABLE)){
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ConnectionThrottle connectionThrottle = new ConnectionThrottle();
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connectionThrottle.setMinConnections("25");
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connectionThrottle.setMaxConnections("100");
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connectionThrottle.setMaxConnectionRate("25");
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connectionThrottle.setRateInterval("5");
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loadBalancer.setConnectionThrottle(connectionThrottle); |
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//Turn on EditTexts
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minCons.setEnabled(true);
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maxCons.setEnabled(true);
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maxConRate.setEnabled(true);
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rateInterval.setEnabled(true);
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enable.setText(DISABLE); |
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} else {
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loadBalancer.setConnectionThrottle(null);
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//Turn off EditTexts
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minCons.setEnabled(false);
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maxCons.setEnabled(false);
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maxConRate.setEnabled(false);
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rateInterval.setEnabled(false);
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enable.setText(ENABLE); |
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} |
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} |
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}); |
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Button submit = (Button)findViewById(R.id.save_throttle_button); |
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submit.setOnClickListener(new OnClickListener() {
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Button enable = (Button)findViewById(R.id.enable_throttle_button); |
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@Override
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public void onClick(View v) { |
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connectionThrottle = new ConnectionThrottle();
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connectionThrottle.setMaxConnectionRate(maxConRate.getText().toString()); |
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connectionThrottle.setMinConnections(minCons.getText().toString()); |
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connectionThrottle.setMaxConnections(maxCons.getText().toString()); |
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connectionThrottle.setRateInterval(rateInterval.getText().toString()); |
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if(enable.getText().toString().equals(DISABLE)){
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if(validText()){
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//trackEvent(GoogleAnalytics.CATEGORY_LOAD_BALANCER, GoogleAnalytics.EVENT_LB_SESSION_PERSISTENCE, "", -1);
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new UpdateConnectionThrottleTask().execute();
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} |
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} else {
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//trackEvent(GoogleAnalytics.CATEGORY_LOAD_BALANCER, GoogleAnalytics.EVENT_LB_SESSION_PERSISTENCE, "", -1);
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new DeleteConnectionThrottleTask().execute();
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} |
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} |
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}); |
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} |
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private void setupText(){ |
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if(loadBalancer.getConnectionThrottle() == null){ |
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minCons.setEnabled(false);
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maxCons.setEnabled(false);
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maxConRate.setEnabled(false);
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rateInterval.setEnabled(false);
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//Set boxes to default values
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minCons.setText("25");
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maxCons.setText("100");
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maxConRate.setText("25");
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rateInterval.setText("5");
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} else {
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ConnectionThrottle throttle = loadBalancer.getConnectionThrottle(); |
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//restore the current values to the boxes
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minCons.setText(throttle.getMinConnections()); |
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maxCons.setText(throttle.getMaxConnections()); |
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maxConRate.setText(throttle.getMaxConnectionRate()); |
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rateInterval.setText(throttle.getRateInterval()); |
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} |
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} |
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private Boolean validText(){ |
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return validEditText(maxCons, 0, 100000, "Max Connections") |
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&& validEditText(minCons, 0, 1000, "Min Connections") |
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&& validEditText(maxConRate, 0, 100000, "Max Connection Rate") |
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&& validEditText(rateInterval, 1, 3600, "Rate Interval"); |
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} |
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private Boolean validEditText(EditText box, int min, int max, String boxName){ |
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String result = box.getText().toString();
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if(result.equals("")){ |
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showAlert("Error", "Please enter a value for " + boxName + "."); |
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return false; |
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} else {
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try {
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int value = Integer.parseInt(result); |
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if(value >= min && value <= max){
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return true; |
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} else {
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showAlert("Error", boxName + " must be an integer between " + min + " and " + max + " inclusive."); |
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return false; |
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} |
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} catch (NumberFormatException e) { |
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showAlert("Error", boxName + " must be an integer between " + min + " and " + max + " inclusive."); |
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return false; |
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} |
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} |
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} |
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public class UpdateConnectionThrottleTask extends AsyncTask<Void, Void, HttpBundle> { |
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private CloudServersException exception;
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@Override
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protected void onPreExecute(){ |
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showDialog(); |
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} |
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@Override
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protected HttpBundle doInBackground(Void... arg0) { |
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HttpBundle bundle = null;
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try {
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bundle = (new ConnectionThrottleManager(getContext())).update(loadBalancer, connectionThrottle);
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} catch (CloudServersException e) {
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exception = e; |
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} |
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return bundle;
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} |
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@Override
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protected void onPostExecute(HttpBundle bundle) { |
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hideDialog(); |
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HttpResponse response = bundle.getResponse(); |
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if (response != null) { |
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int statusCode = response.getStatusLine().getStatusCode();
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if (statusCode == 202 || statusCode == 200) { |
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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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showError("There was a problem editing the connection throttle.", bundle);
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} else {
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showError("There was a problem editing the connection throttle: " + cse.getMessage(), bundle);
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} |
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} |
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} else if (exception != null) { |
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showError("There was a problem editing the connection throttle: " + exception.getMessage(), bundle);
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} |
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} |
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} |
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public class DeleteConnectionThrottleTask extends AsyncTask<Void, Void, HttpBundle> { |
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private CloudServersException exception;
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@Override
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protected void onPreExecute(){ |
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showDialog(); |
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} |
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@Override
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protected HttpBundle doInBackground(Void... arg0) { |
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HttpBundle bundle = null;
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try {
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bundle = (new ConnectionThrottleManager(getContext())).delete(loadBalancer);
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} catch (CloudServersException e) {
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exception = e; |
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} |
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return bundle;
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} |
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@Override
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protected void onPostExecute(HttpBundle bundle) { |
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hideDialog(); |
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HttpResponse response = bundle.getResponse(); |
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if (response != null) { |
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int statusCode = response.getStatusLine().getStatusCode();
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if (statusCode == 202 || statusCode == 200) { |
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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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showError("There was a problem editing the connection throttle.", bundle);
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} else {
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showError("There was a problem editing the connection throttle: " + cse.getMessage(), bundle);
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} |
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} |
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} else if (exception != null) { |
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showError("There was a problem editing the connection throttle: " + exception.getMessage(), bundle);
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} |
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} |
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} |
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} |