root / src / com / rackspacecloud / android / AddNodesActivity.java @ ffd154e6
History | View | Annotate | Download (15.8 kB)
1 |
package com.rackspacecloud.android; |
---|---|
2 |
|
3 |
import java.util.ArrayList; |
4 |
|
5 |
import com.rackspace.cloud.loadbalancer.api.client.Node; |
6 |
import com.rackspace.cloud.servers.api.client.CloudServersException; |
7 |
import com.rackspace.cloud.servers.api.client.Server; |
8 |
import com.rackspace.cloud.servers.api.client.ServerManager; |
9 |
|
10 |
import android.content.Intent; |
11 |
import android.os.AsyncTask; |
12 |
import android.os.Bundle; |
13 |
import android.util.Log; |
14 |
import android.view.LayoutInflater; |
15 |
import android.view.View; |
16 |
import android.view.View.OnClickListener; |
17 |
import android.view.ViewGroup; |
18 |
import android.widget.ArrayAdapter; |
19 |
import android.widget.Button; |
20 |
import android.widget.CheckBox; |
21 |
import android.widget.CompoundButton; |
22 |
import android.widget.LinearLayout; |
23 |
import android.widget.ListView; |
24 |
import android.widget.CompoundButton.OnCheckedChangeListener; |
25 |
import android.widget.TextView; |
26 |
|
27 |
public class AddNodesActivity extends CloudListActivity { |
28 |
|
29 |
private static final int ADD_NODE_CODE = 178; |
30 |
private static final int ADD_EXTERNAL_NODE_CODE = 188; |
31 |
|
32 |
//servers are what are displayed in the ListView
|
33 |
//(possible and checked nodes)
|
34 |
private ArrayList<Server> possibleNodes; |
35 |
//nodes are the nodes the user has selected
|
36 |
private ArrayList<Node> nodes; |
37 |
//the last position in the listview that was clicked
|
38 |
private int lastCheckedPos; |
39 |
//the location in nodes of the last node that was clicked
|
40 |
private int positionOfNode; |
41 |
|
42 |
@SuppressWarnings("unchecked") |
43 |
@Override
|
44 |
public void onCreate(Bundle savedInstanceState) { |
45 |
super.onCreate(savedInstanceState);
|
46 |
nodes = (ArrayList<Node>) this.getIntent().getExtras().get("nodes"); |
47 |
possibleNodes = (ArrayList<Server>) this.getIntent().getExtras().get("possibleNodes"); |
48 |
setContentView(R.layout.addnodes); |
49 |
restoreState(savedInstanceState); |
50 |
} |
51 |
|
52 |
@Override
|
53 |
protected void onSaveInstanceState(Bundle outState) { |
54 |
super.onSaveInstanceState(outState);
|
55 |
outState.putSerializable("nodes", nodes);
|
56 |
outState.putSerializable("possibleNodes", possibleNodes);
|
57 |
outState.putInt("lastCheckedPos", lastCheckedPos);
|
58 |
outState.putInt("positionOfNode", positionOfNode);
|
59 |
} |
60 |
|
61 |
@SuppressWarnings("unchecked") |
62 |
protected void restoreState(Bundle state) { |
63 |
super.restoreState(state);
|
64 |
|
65 |
if (state != null && state.containsKey("nodes")){ |
66 |
nodes = (ArrayList<Node>) state.getSerializable("nodes"); |
67 |
if(nodes == null){ |
68 |
nodes = new ArrayList<Node>(); |
69 |
} |
70 |
} |
71 |
|
72 |
if (state != null && state.containsKey("lastCheckedPos")){ |
73 |
lastCheckedPos = (Integer) state.getSerializable("lastCheckedPos"); |
74 |
} |
75 |
|
76 |
if (state != null && state.containsKey("positionOfNode")){ |
77 |
positionOfNode = (Integer) state.getSerializable("positionOfNode"); |
78 |
} |
79 |
|
80 |
if (state != null && state.containsKey("possibleNodes")) { |
81 |
possibleNodes = (ArrayList<Server>) state.getSerializable("possibleNodes"); |
82 |
if (possibleNodes.size() == 0) { |
83 |
displayNoServersCell(); |
84 |
} else {
|
85 |
getListView().setDividerHeight(1); // restore divider lines |
86 |
setListAdapter(new ServerAdapter());
|
87 |
} |
88 |
} else {
|
89 |
loadServers(); |
90 |
} |
91 |
|
92 |
Button submitNodes = (Button) findViewById(R.id.submit_nodes_button); |
93 |
submitNodes.setOnClickListener(new OnClickListener() {
|
94 |
|
95 |
@Override
|
96 |
public void onClick(View v) { |
97 |
Intent viewIntent = new Intent();
|
98 |
viewIntent.putExtra("nodes", nodes);
|
99 |
viewIntent.putExtra("possibleNodes", possibleNodes);
|
100 |
setResult(RESULT_OK, viewIntent); |
101 |
printTheNodes(); |
102 |
finish(); |
103 |
} |
104 |
}); |
105 |
|
106 |
Button addExternalNode = (Button) findViewById(R.id.add_external_node); |
107 |
addExternalNode.setOnClickListener(new OnClickListener() {
|
108 |
|
109 |
@Override
|
110 |
public void onClick(View v) { |
111 |
positionOfNode = -1;
|
112 |
Intent viewIntent = new Intent(getContext(), AddExternalNodeActivity.class);
|
113 |
//when first creating a load balancer
|
114 |
//weighting nodes in not an option
|
115 |
viewIntent.putExtra("weighted", false); |
116 |
startActivityForResult(viewIntent, ADD_EXTERNAL_NODE_CODE); |
117 |
} |
118 |
}); |
119 |
} |
120 |
|
121 |
@Override
|
122 |
public void onBackPressed(){ |
123 |
setResult(RESULT_CANCELED); |
124 |
finish(); |
125 |
} |
126 |
|
127 |
protected void onListItemClick(ListView l, View v, int position, long id) { |
128 |
if (possibleNodes != null && possibleNodes.size() > 0) { |
129 |
if(!possibleNodes.get(position).getName().equals("External Node")){ |
130 |
LinearLayout linear = (LinearLayout) findViewById(R.id.nodes_linear_layout); |
131 |
ListView serversList = (ListView) linear.findViewById(android.R.id.list); |
132 |
View row = serversList.getChildAt(position);
|
133 |
CheckBox checkBox = (CheckBox)row.findViewById(R.id.add_node_checkbox); |
134 |
if(!checkBox.isChecked()){
|
135 |
//if the checkbox was not previously checked, treat the listItemClick
|
136 |
//the same as checking the checkbox
|
137 |
checkBox.setChecked(!checkBox.isChecked()); |
138 |
} else {
|
139 |
//if the checkbox was already checked when the listItemClick occurred,
|
140 |
//then treat it like an edit
|
141 |
|
142 |
Server server = possibleNodes.get(position); |
143 |
|
144 |
//Need to put all the ip's of the server into one
|
145 |
//list so they can all be displayed in one spinner
|
146 |
String[] ipAddresses = getAllIpsOfServer(server); |
147 |
|
148 |
Node node = getNodeFromServer(server); |
149 |
|
150 |
positionOfNode = findNodePosition(node); |
151 |
lastCheckedPos = position; |
152 |
|
153 |
Intent viewIntent = new Intent(getContext(), AddNodeActivity.class);
|
154 |
viewIntent.putExtra("ipAddresses", ipAddresses);
|
155 |
viewIntent.putExtra("name", server.getName());
|
156 |
if(node != null){ |
157 |
viewIntent.putExtra("node", node);
|
158 |
} |
159 |
//weighted is false, because on initial node add
|
160 |
//weight is not option
|
161 |
viewIntent.putExtra("weighted", false); |
162 |
startActivityForResult(viewIntent, ADD_NODE_CODE); |
163 |
} |
164 |
} else {
|
165 |
//When clicked on an external node
|
166 |
Server server = possibleNodes.get(position); |
167 |
Node node = getNodeFromServer(server); |
168 |
positionOfNode = findNodePosition(node); |
169 |
lastCheckedPos = position; |
170 |
Intent viewIntent = new Intent(getContext(), AddExternalNodeActivity.class);
|
171 |
if(node != null){ |
172 |
viewIntent.putExtra("node", node);
|
173 |
} |
174 |
//weighted is false, because on initial node add
|
175 |
//weight is not option
|
176 |
viewIntent.putExtra("weighted", false); |
177 |
startActivityForResult(viewIntent, ADD_EXTERNAL_NODE_CODE); |
178 |
} |
179 |
} |
180 |
} |
181 |
|
182 |
//return the location of node in nodes
|
183 |
//if it is no in there then -1
|
184 |
private int findNodePosition(Node node){ |
185 |
for(int i = 0; i < nodes.size(); i++){ |
186 |
String address = node.getAddress();
|
187 |
if(address.equals(nodes.get(i).getAddress())){
|
188 |
return i;
|
189 |
} |
190 |
} |
191 |
return -1; |
192 |
} |
193 |
|
194 |
private void displayNoServersCell() { |
195 |
String a[] = new String[1]; |
196 |
a[0] = "No Nodes"; |
197 |
setListAdapter(new ArrayAdapter<String>(this, R.layout.noserverscell, R.id.no_servers_label, a)); |
198 |
getListView().setTextFilterEnabled(true);
|
199 |
getListView().setDividerHeight(0); // hide the dividers so it won't look like a list row |
200 |
getListView().setItemsCanFocus(false);
|
201 |
} |
202 |
|
203 |
private void setServerList(ArrayList<Server> servers) { |
204 |
if (servers == null) { |
205 |
servers = new ArrayList<Server>(); |
206 |
} |
207 |
String[] serverNames = new String[servers.size()]; |
208 |
this.possibleNodes = new ArrayList<Server>(); |
209 |
|
210 |
if (servers != null) { |
211 |
for (int i = 0; i < servers.size(); i++) { |
212 |
Server server = servers.get(i); |
213 |
this.possibleNodes.add(i, server);
|
214 |
serverNames[i] = server.getName(); |
215 |
} |
216 |
} |
217 |
|
218 |
if (serverNames.length == 0) { |
219 |
displayNoServersCell(); |
220 |
} else {
|
221 |
getListView().setDividerHeight(1); // restore divider lines |
222 |
setListAdapter(new ServerAdapter());
|
223 |
} |
224 |
} |
225 |
|
226 |
private void loadServers() { |
227 |
new LoadServersTask().execute((Void[]) null); |
228 |
} |
229 |
|
230 |
// * Adapter/
|
231 |
class ServerAdapter extends ArrayAdapter<Server> { |
232 |
ServerAdapter() { |
233 |
super(AddNodesActivity.this, R.layout.listservernodecell, possibleNodes);
|
234 |
} |
235 |
|
236 |
public View getView(int position, View convertView, ViewGroup parent) { |
237 |
|
238 |
final Server server = possibleNodes.get(position);
|
239 |
LayoutInflater inflater = getLayoutInflater(); |
240 |
View row = inflater.inflate(R.layout.listservernodecell, parent, false); |
241 |
|
242 |
TextView label = (TextView) row.findViewById(R.id.label); |
243 |
label.setText(server.getName()); |
244 |
|
245 |
TextView sublabel = (TextView) row.findViewById(R.id.sublabel); |
246 |
if(server.getName().equals("External Node")){ |
247 |
sublabel.setText(server.getPrivateIpAddresses()[0]);
|
248 |
} else {
|
249 |
sublabel.setText(server.getFlavor().getName() + " - " + server.getImage().getName());
|
250 |
} |
251 |
|
252 |
//Need to put all the ip's of the server into one
|
253 |
//list so they can all be displayed in one spinner
|
254 |
final String[] ipAddresses = getAllIpsOfServer(server); |
255 |
|
256 |
final int pos = position; |
257 |
CheckBox add = (CheckBox) row.findViewById(R.id.add_node_checkbox); |
258 |
|
259 |
if(inNodeList(server)){
|
260 |
add.setChecked(true);
|
261 |
} |
262 |
|
263 |
add.setOnCheckedChangeListener(new OnCheckedChangeListener() {
|
264 |
|
265 |
@Override
|
266 |
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { |
267 |
if(isChecked){
|
268 |
//if node is being check it won't be in nodes positionOfNode is -1
|
269 |
positionOfNode = -1;
|
270 |
lastCheckedPos = pos; |
271 |
Intent viewIntent = new Intent(getContext(), AddNodeActivity.class);
|
272 |
viewIntent.putExtra("ipAddresses", ipAddresses);
|
273 |
viewIntent.putExtra("name", server.getName());
|
274 |
//weighted is false, because on initial node add
|
275 |
//weight is not option
|
276 |
viewIntent.putExtra("weighted", false); |
277 |
startActivityForResult(viewIntent, ADD_NODE_CODE); |
278 |
} |
279 |
else{
|
280 |
removeNodeFromList(server); |
281 |
if(server.getName().equals("External Node")){ |
282 |
possibleNodes.remove(server); |
283 |
setServerList(possibleNodes); |
284 |
} |
285 |
} |
286 |
} |
287 |
}); |
288 |
|
289 |
return(row);
|
290 |
} |
291 |
|
292 |
//returns true if an ip from server
|
293 |
//is the address of one of the nodes
|
294 |
private boolean inNodeList(Server server){ |
295 |
for(Node node : nodes){
|
296 |
String nodeIp = node.getAddress();
|
297 |
if(serverHasIp(server, nodeIp)){
|
298 |
return true; |
299 |
} |
300 |
} |
301 |
return false; |
302 |
} |
303 |
|
304 |
/*
|
305 |
* need to remove by id because that is
|
306 |
* what is unique
|
307 |
*/
|
308 |
private void removeNodeFromList(Server server){ |
309 |
for(int i = 0; i < nodes.size(); i++){ |
310 |
Node node = nodes.get(i); |
311 |
if(serverHasIp(server, node.getAddress())){
|
312 |
nodes.remove(i); |
313 |
break;
|
314 |
} |
315 |
} |
316 |
} |
317 |
} |
318 |
|
319 |
private String getNameFromIp(String address){ |
320 |
for(Server s: possibleNodes){
|
321 |
if(serverHasIp(s, address)){
|
322 |
return s.getName();
|
323 |
} |
324 |
} |
325 |
return ""; |
326 |
} |
327 |
|
328 |
//returns true if address is an address of
|
329 |
//one of the users cloud servers
|
330 |
private boolean ipInList(String address){ |
331 |
for(Server s : possibleNodes){
|
332 |
if(serverHasIp(s, address) && !s.getName().equals("External Node")){ |
333 |
return true; |
334 |
} |
335 |
} |
336 |
return false; |
337 |
} |
338 |
|
339 |
//returns true if address is one of server's addresses
|
340 |
private boolean serverHasIp(Server server, String address){ |
341 |
String[] addresses = server.getPrivateIpAddresses(); |
342 |
if(addresses != null){ |
343 |
for(int i = 0; i < addresses.length; i++){ |
344 |
if(addresses[i].equals(address)){
|
345 |
return true; |
346 |
} |
347 |
} |
348 |
} |
349 |
addresses = server.getPublicIpAddresses(); |
350 |
if(addresses != null){ |
351 |
for(int i = 0; i < addresses.length; i++){ |
352 |
if(addresses[i].equals(address)){
|
353 |
return true; |
354 |
} |
355 |
} |
356 |
} |
357 |
return false; |
358 |
} |
359 |
|
360 |
//returns the node that is using an ip from server
|
361 |
private Node getNodeFromServer(Server server){
|
362 |
for(Node node : nodes){
|
363 |
if(serverHasIp(server, node.getAddress())){
|
364 |
return node;
|
365 |
} |
366 |
} |
367 |
return null; |
368 |
} |
369 |
|
370 |
//returns an array of all the ip's of server
|
371 |
private String[] getAllIpsOfServer(Server server){ |
372 |
String[] publicIp = server.getPublicIpAddresses(); |
373 |
String[] privateIp = server.getPrivateIpAddresses(); |
374 |
if(publicIp == null){ |
375 |
publicIp = new String[0]; |
376 |
} |
377 |
if(privateIp == null){ |
378 |
privateIp = new String[0]; |
379 |
} |
380 |
String[] ipAddresses = new String[privateIp.length + publicIp.length]; |
381 |
for(int i = 0; i < privateIp.length; i++){ |
382 |
ipAddresses[i] = privateIp[i]; |
383 |
} |
384 |
for(int i = 0; i < publicIp.length; i++){ |
385 |
ipAddresses[i+privateIp.length] = publicIp[i]; |
386 |
} |
387 |
|
388 |
return ipAddresses;
|
389 |
} |
390 |
|
391 |
private class LoadServersTask extends AsyncTask<Void, Void, ArrayList<Server>> { |
392 |
private CloudServersException exception;
|
393 |
|
394 |
@Override
|
395 |
protected void onPreExecute(){ |
396 |
showDialog(); |
397 |
} |
398 |
|
399 |
@Override
|
400 |
protected ArrayList<Server> doInBackground(Void... arg0) { |
401 |
ArrayList<Server> servers = null; |
402 |
try {
|
403 |
servers = (new ServerManager()).createList(true, getContext()); |
404 |
} catch (CloudServersException e) {
|
405 |
exception = e; |
406 |
} |
407 |
return servers;
|
408 |
} |
409 |
|
410 |
@Override
|
411 |
protected void onPostExecute(ArrayList<Server> result) { |
412 |
hideDialog(); |
413 |
if (exception != null) { |
414 |
showAlert("Error", exception.getMessage());
|
415 |
} |
416 |
|
417 |
//Add the external nodes
|
418 |
for(int i = 0; i < nodes.size(); i++){ |
419 |
if(nodes.get(i).getName().equals("External Node")){ |
420 |
Server server = new Server();
|
421 |
server.setName("External Node");
|
422 |
String[] ip = {nodes.get(i).getAddress()}; |
423 |
server.setPrivateIpAddresses(ip); |
424 |
result.add(server); |
425 |
} |
426 |
} |
427 |
setServerList(result); |
428 |
} |
429 |
} |
430 |
|
431 |
//removes a node with ip of address from nodes
|
432 |
//if one doesnt exists doesn nothing
|
433 |
private void removeNodeWithIp(String address){ |
434 |
for(int i = 0; i < nodes.size(); i++){ |
435 |
Node n = nodes.get(i); |
436 |
if(n.getAddress().equals(address)){
|
437 |
nodes.remove(i); |
438 |
break;
|
439 |
} |
440 |
} |
441 |
} |
442 |
|
443 |
protected void onActivityResult(int requestCode, int resultCode, Intent data){ |
444 |
int pos = lastCheckedPos;
|
445 |
if(requestCode == ADD_NODE_CODE && resultCode == RESULT_OK){
|
446 |
//data will be null is user back out on edit
|
447 |
//we dont need to do anything then
|
448 |
//if new node added data won't be null
|
449 |
//so create the new node and add it to the list
|
450 |
if(data != null){ |
451 |
//will remove the node if it's already in the list
|
452 |
//so we can update it
|
453 |
//removeNodeWithIp(data.getStringExtra("nodeIp"));
|
454 |
if(positionOfNode >= 0){ |
455 |
nodes.remove(positionOfNode); |
456 |
} |
457 |
|
458 |
Node node = new Node();
|
459 |
node.setAddress(data.getStringExtra("nodeIp"));
|
460 |
node.setCondition(data.getStringExtra("nodeCondition"));
|
461 |
node.setName(possibleNodes.get(pos).getName()); |
462 |
node.setPort(data.getStringExtra("nodePort"));
|
463 |
node.setWeight(data.getStringExtra("nodeWeight"));
|
464 |
nodes.add(node); |
465 |
} |
466 |
} |
467 |
else if(requestCode == ADD_NODE_CODE && resultCode == RESULT_CANCELED){ |
468 |
//uncheck the node at lastCheckedPos
|
469 |
LinearLayout linear = (LinearLayout) findViewById(R.id.nodes_linear_layout); |
470 |
ListView serversList = (ListView) linear.findViewById(android.R.id.list); |
471 |
Log.d("info", "number of items in serverList " + serversList.getChildCount()); |
472 |
Log.d("info", "lastCheckedPos is " + Integer.toString(pos)); |
473 |
View row = serversList.getChildAt(pos);
|
474 |
Log.d("info", ("is row null? " + Boolean.toString(row == null))); |
475 |
CheckBox checkBox = (CheckBox)row.findViewById(R.id.add_node_checkbox); |
476 |
checkBox.setChecked(false);
|
477 |
} |
478 |
|
479 |
else if(requestCode == ADD_EXTERNAL_NODE_CODE && resultCode == RESULT_OK){ |
480 |
Node node = new Node();
|
481 |
node.setAddress(data.getStringExtra("nodeIp"));
|
482 |
node.setCondition(data.getStringExtra("nodeCondition"));
|
483 |
node.setName("External Node");
|
484 |
node.setPort(data.getStringExtra("nodePort"));
|
485 |
node.setWeight(data.getStringExtra("nodeWeight"));
|
486 |
|
487 |
/*
|
488 |
* If the ip is from a cloud server, alert to user
|
489 |
* so they can select it from there
|
490 |
*/
|
491 |
if(!ipInList(node.getAddress())){
|
492 |
|
493 |
if(positionOfNode >= 0){ |
494 |
nodes.remove(positionOfNode); |
495 |
} |
496 |
|
497 |
nodes.add(node); |
498 |
//Add it to server list so it display in the listview
|
499 |
Server server = new Server();
|
500 |
server.setName("External Node");
|
501 |
String[] ip = {data.getStringExtra("nodeIp")}; |
502 |
server.setPrivateIpAddresses(ip); |
503 |
possibleNodes.add(server); |
504 |
setServerList(possibleNodes); |
505 |
} else {
|
506 |
String name = getNameFromIp(node.getAddress());
|
507 |
if(name.equals("External Node")){ |
508 |
showAlert("Error", "This IP has already been added as an external node, please edit" + |
509 |
"it from the list.");
|
510 |
} else {
|
511 |
showAlert("Error", "This IP belongs to a cloud server: \"" + getNameFromIp(node.getAddress()) |
512 |
+ "\", please edit it from the list.");
|
513 |
} |
514 |
} |
515 |
} |
516 |
printTheNodes(); |
517 |
} |
518 |
|
519 |
private void printTheNodes(){ |
520 |
for(Node n: nodes){
|
521 |
Log.d("info", "address: " + n.getAddress() + " Port: " + n.getPort() + " Cond: " + n.getCondition()); |
522 |
} |
523 |
Log.d("info", " SPACE "); |
524 |
} |
525 |
|
526 |
} |