root / src / com / rackspacecloud / android / ViewLoadBalancerActivity.java @ 232548ba
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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.util.ArrayList; |
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import java.util.Collections; |
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import org.apache.http.HttpResponse; |
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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.DialogInterface; |
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import android.content.Intent; |
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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.util.Log; |
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import android.util.TypedValue; |
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import android.view.Menu; |
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import android.view.MenuInflater; |
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import android.view.MenuItem; |
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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.LinearLayout; |
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import android.widget.TextView; |
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import com.rackspace.cloud.loadbalancer.api.client.LoadBalancer; |
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import com.rackspace.cloud.loadbalancer.api.client.LoadBalancerManager; |
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import com.rackspace.cloud.loadbalancer.api.client.Node; |
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import com.rackspace.cloud.loadbalancer.api.client.VirtualIp; |
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import com.rackspace.cloud.loadbalancer.api.client.http.LoadBalancersException; |
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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 ViewLoadBalancerActivity extends CloudActivity { |
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private static final int EDIT_LOAD_BALANCER_CODE = 184; |
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private static final int EDIT_NODES_CODE = 185; |
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private LoadBalancer loadBalancer;
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private PollLoadBalancerTask pollLoadBalancerTask;
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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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Log.d("info", "the status is " + loadBalancer.getStatus()); |
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setContentView(R.layout.view_loadbalancer); |
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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") && state.getSerializable("loadBalancer") != null) { |
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loadBalancer = (LoadBalancer) state.getSerializable("loadBalancer");
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loadLoadBalancerData(); |
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if(!loadBalancer.getStatus().contains("DELETE")){ |
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setUpButtons(); |
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} else {
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setUpBadButtons(); |
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} |
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} |
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else{
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new LoadLoadBalancerTask().execute((Void[]) null); |
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} |
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} |
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private void setUpButtons(){ |
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Button editLoadBalancer = (Button)findViewById(R.id.edit_loadbalancer_button); |
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editLoadBalancer.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) { |
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Intent editLoadBalancerIntent = new Intent(getContext(), EditLoadBalancerActivity.class);
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editLoadBalancerIntent.putExtra("loadBalancer", loadBalancer);
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startActivityForResult(editLoadBalancerIntent, EDIT_LOAD_BALANCER_CODE); |
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} |
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}); |
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Button deleteLoadBalancer = (Button)findViewById(R.id.delete_loadbalancer_button); |
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deleteLoadBalancer.setOnClickListener(new OnClickListener() {
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@Override
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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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Button editNodes = (Button)findViewById(R.id.edit_nodes_button); |
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editNodes.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) { |
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Intent editLoadBalancerIntent = new Intent(getContext(), EditNodesActivity.class);
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editLoadBalancerIntent.putExtra("nodes", loadBalancer.getNodes());
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editLoadBalancerIntent.putExtra("loadBalancer", loadBalancer);
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startActivityForResult(editLoadBalancerIntent, EDIT_NODES_CODE); |
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} |
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}); |
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} |
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private void setUpBadButtons(){ |
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Button editLoadBalancer = (Button)findViewById(R.id.edit_loadbalancer_button); |
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editLoadBalancer.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) { |
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showAlert(loadBalancer.getStatus(), "The Load Balancer cannot currently be updated");
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} |
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}); |
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Button deleteLoadBalancer = (Button)findViewById(R.id.delete_loadbalancer_button); |
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deleteLoadBalancer.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) { |
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showAlert(loadBalancer.getStatus(), "The Load Balancer cannot currently be deleted");
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} |
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}); |
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Button editNodes = (Button)findViewById(R.id.edit_nodes_button); |
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editNodes.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) { |
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showAlert(loadBalancer.getStatus(), "The nodes cannot currently be edited");
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} |
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}); |
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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_delete_button:
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return new AlertDialog.Builder(ViewLoadBalancerActivity.this) |
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.setIcon(R.drawable.alert_dialog_icon) |
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.setTitle("Delete Load Balancer")
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.setMessage("Are you sure you want to delete the load balancer?")
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.setPositiveButton("Delete", 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 DeleteLoadBalancerTask().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 void loadLoadBalancerData() { |
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if(loadBalancer != null){ |
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TextView name = (TextView) findViewById(R.id.view_name); |
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name.setText(loadBalancer.getName()); |
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TextView id = (TextView) findViewById(R.id.view_lb_id); |
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id.setText(loadBalancer.getId()); |
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TextView protocol = (TextView) findViewById(R.id.view_protocol); |
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protocol.setText(loadBalancer.getProtocol()); |
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TextView port = (TextView) findViewById(R.id.view_port); |
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port.setText(loadBalancer.getPort()); |
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TextView algorithm = (TextView) findViewById(R.id.view_algorithm); |
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algorithm.setText(loadBalancer.getAlgorithm()); |
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TextView status = (TextView) findViewById(R.id.view_status); |
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if (!"ACTIVE".equals(loadBalancer.getStatus())) { |
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status.setText(loadBalancer.getStatus()); |
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pollLoadBalancerTask = new PollLoadBalancerTask();
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pollLoadBalancerTask.execute((Void[]) null); |
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} else {
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status.setText(loadBalancer.getStatus()); |
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} |
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status.setText(loadBalancer.getStatus()); |
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TextView connectionLogging = (TextView) findViewById(R.id.view_islogging); |
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connectionLogging.setText(loadBalancer.getIsConnectionLoggingEnabled()); |
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loadVirutalIpData(); |
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} |
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} |
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private void loadVirutalIpData() { |
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int layoutIndex = 0; |
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LinearLayout layout = (LinearLayout) this.findViewById(R.id.vip_addresses);
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layout.removeAllViews(); |
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ArrayList<VirtualIp> virtualIps = loadBalancer.getVirtualIps();
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//maybe null if the lb has been deleted
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if(virtualIps != null){ |
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for (int i = 0; i < virtualIps.size(); i++) { |
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TextView tv = new TextView(this.getBaseContext()); |
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tv.setLayoutParams(((TextView)findViewById(R.id.view_port)).getLayoutParams()); // easy quick styling! :)
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tv.setTypeface(tv.getTypeface(), 1); // 1 == bold |
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tv.setTextSize(TypedValue.COMPLEX_UNIT_SP, 20);
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tv.setTextColor(Color.WHITE);
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tv.setText(virtualIps.get(i).getAddress()); |
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layout.addView(tv, layoutIndex++); |
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} |
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} |
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//TextView vipId = (TextView) findViewById(R.id.view_vip_id);
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//vipId.setText(loadBalancer.getVirtualIps().get(0).getId());
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//TextView address = (TextView) findViewById(R.id.view_vip_address);
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//TextView ipVersion = (TextView) findViewById(R.id.view_ipversion);
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//ipVersion.setText(loadBalancer.getVirtualIps().get(0).getIpVersion());
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//TextView type = (TextView) findViewById(R.id.view_vip_type);
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//type.setText(loadBalancer.getVirtualIps().get(0).getType());
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loadNodeData(); |
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} |
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private void loadNodeData() { |
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int layoutIndex = 0; // public IPs start here |
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LinearLayout layout = (LinearLayout) this.findViewById(R.id.node_addresses);
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layout.removeAllViews(); |
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ArrayList<Node> nodeIps = loadBalancer.getNodes();
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/*
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* need to sort the addresses because during polling
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* their order can change and the display becomes
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* jumpy
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*/
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ArrayList<String> addresses = new ArrayList<String>(); |
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for(Node n : nodeIps){
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addresses.add(n.getAddress()); |
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} |
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Collections.sort(addresses);
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//may be null if lb has been deleted
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if(nodeIps != null){ |
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for (int i = 0; i < nodeIps.size(); i++) { |
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TextView tv = new TextView(this.getBaseContext()); |
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tv.setLayoutParams(((TextView)findViewById(R.id.view_port)).getLayoutParams()); // easy quick styling! :)
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tv.setTypeface(tv.getTypeface(), 1); // 1 == bold |
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tv.setTextSize(TypedValue.COMPLEX_UNIT_SP, 20);
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tv.setTextColor(Color.WHITE);
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tv.setText(addresses.get(i)); |
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layout.addView(tv, layoutIndex++); |
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} |
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} |
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/*
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TextView nodeID = (TextView) findViewById(R.id.view_node_id);
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nodeID.setText(loadBalancer.getNodes().get(0).getId());
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TextView address = (TextView) findViewById(R.id.view_node_address);
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address.setText(loadBalancer.getNodes().get(0).getAddress());
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TextView nodePort = (TextView) findViewById(R.id.view_node_port);
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nodePort.setText(loadBalancer.getNodes().get(0).getPort());
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TextView condition = (TextView) findViewById(R.id.view_node_condition);
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condition.setText(loadBalancer.getNodes().get(0).getCondition());
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TextView nodeStatus = (TextView) findViewById(R.id.view_node_status);
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nodeStatus.setText(loadBalancer.getNodes().get(0).getStatus());
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*/
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} |
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//setup menu for when menu button is pressed
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public boolean onCreateOptionsMenu(Menu menu) { |
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super.onCreateOptionsMenu(menu);
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MenuInflater inflater = getMenuInflater(); |
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inflater.inflate(R.menu.view_loadbalancer_menu, menu); |
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return true; |
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} |
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@Override
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public boolean onOptionsItemSelected(MenuItem item) { |
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switch (item.getItemId()) {
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case R.id.refresh_loadbalancer:
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new LoadLoadBalancerTask().execute((Void[]) null); |
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return true; |
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} |
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return false; |
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} |
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@Override
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public void onActivityResult(int requestCode, int resultCode, Intent data) { |
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super.onActivityResult(requestCode, resultCode, data);
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if (resultCode == RESULT_OK) {
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new LoadLoadBalancerTask().execute((Void[]) null); |
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} |
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} |
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// HTTP request tasks
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private class PollLoadBalancerTask extends AsyncTask<Void, Void, LoadBalancer> { |
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@Override
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protected LoadBalancer doInBackground(Void... arg0) { |
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try {
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loadBalancer = (new LoadBalancerManager(getContext())).getLoadBalancerById(Integer.parseInt(loadBalancer.getId())); |
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} catch (NumberFormatException e) { |
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// we're polling, so need to show exceptions
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} catch (LoadBalancersException e) {
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// we're polling, so need to show exceptions
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} |
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return loadBalancer;
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} |
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@Override
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protected void onPostExecute(LoadBalancer result) { |
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loadBalancer = result; |
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loadLoadBalancerData(); |
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} |
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} |
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private class LoadLoadBalancerTask extends AsyncTask<Void, Void, LoadBalancer> { |
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private LoadBalancersException exception;
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private String loadBalancerId; |
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protected void onPreExecute() { |
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loadBalancerId = loadBalancer.getId(); |
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/*
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* set to null, so if config change occurs
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* it will be reloaded in onCreate()
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*/
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loadBalancer = null;
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showDialog(); |
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} |
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@Override
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protected LoadBalancer doInBackground(Void... arg0) { |
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LoadBalancer result = null;
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try {
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result = (new LoadBalancerManager(getContext())).getLoadBalancerById(Integer.parseInt(loadBalancerId)); |
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} catch (LoadBalancersException e) {
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exception = e; |
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} |
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return result;
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} |
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@Override
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protected void onPostExecute(LoadBalancer result) { |
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hideDialog(); |
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if (exception != null) { |
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showAlert("Error", exception.getMessage());
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} |
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loadBalancer = result; |
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if(!loadBalancer.getStatus().contains("DELETE")){ |
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setUpButtons(); |
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} else {
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setUpBadButtons(); |
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} |
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loadLoadBalancerData(); |
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} |
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} |
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public class DeleteLoadBalancerTask 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 LoadBalancerManager(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) { |
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//showToast("Delete successful");
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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 deleting your load balancer.", bundle);
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} else {
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showError("There was a problem deleting your load balancer: " + 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 deleting your load balancer: " + exception.getMessage(), bundle);
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} |
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} |
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} |
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} |