root / src / com / rackspace / cloud / android / AddNodesActivity.java @ 7dbfc514
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package com.rackspace.cloud.android; |
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import java.util.ArrayList; |
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import android.content.Intent; |
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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.view.LayoutInflater; |
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import android.view.View; |
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import android.view.View.OnClickListener; |
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import android.view.ViewGroup; |
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import android.widget.ArrayAdapter; |
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import android.widget.Button; |
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import android.widget.CheckBox; |
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import android.widget.CompoundButton; |
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import android.widget.CompoundButton.OnCheckedChangeListener; |
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import android.widget.LinearLayout; |
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import android.widget.ListView; |
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import android.widget.TextView; |
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import com.rackspace.cloud.android.R; |
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import com.rackspace.cloud.loadbalancer.api.client.Node; |
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import com.rackspace.cloud.servers.api.client.CloudServersException; |
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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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public class AddNodesActivity extends CloudListActivity { |
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private static final int ADD_NODE_CODE = 178; |
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private static final int ADD_EXTERNAL_NODE_CODE = 188; |
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//servers are what are displayed in the ListView
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//(possible and checked nodes)
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private ArrayList<Server> possibleNodes; |
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//nodes are the nodes the user has selected
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private ArrayList<Node> nodes; |
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//the last position in the listview that was clicked
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private int lastCheckedPos; |
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//the location in nodes of the last node that was clicked
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private int positionOfNode; |
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//tracking the selected port of load balancer
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private String selectedPort; |
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@SuppressWarnings("unchecked") |
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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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nodes = (ArrayList<Node>) this.getIntent().getExtras().get("nodes"); |
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selectedPort = (String) this.getIntent().getExtras().get("loadBalancerPort"); |
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//possibleNodes = (ArrayList<Server>) this.getIntent().getExtras().get("possibleNodes");
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setContentView(R.layout.addnodes); |
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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("nodes", nodes);
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outState.putSerializable("possibleNodes", possibleNodes);
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outState.putInt("lastCheckedPos", lastCheckedPos);
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outState.putInt("positionOfNode", positionOfNode);
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outState.putString("loadBalancerPort", selectedPort);
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} |
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@SuppressWarnings("unchecked") |
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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("nodes")){ |
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nodes = (ArrayList<Node>) state.getSerializable("nodes"); |
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if(nodes == null){ |
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nodes = new ArrayList<Node>(); |
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} |
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} |
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if (state != null && state.containsKey("lastCheckedPos")){ |
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lastCheckedPos = (Integer) state.getSerializable("lastCheckedPos"); |
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} |
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if (state != null && state.containsKey("positionOfNode")){ |
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positionOfNode = (Integer) state.getSerializable("positionOfNode"); |
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} |
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if (state != null && state.containsKey("loadBalancerPort")){ |
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//selectedPort = (String) state.getSerializable("loadBalancerPort");
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} |
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if (state != null && state.containsKey("possibleNodes") && state.getSerializable("possibleNodes") != null) { |
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possibleNodes = (ArrayList<Server>) state.getSerializable("possibleNodes"); |
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if (possibleNodes.size() == 0) { |
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displayNoServersCell(); |
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} else {
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getListView().setDividerHeight(1); // restore divider lines |
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setListAdapter(new ServerAdapter());
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} |
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} else {
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loadServers(); |
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} |
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Button submitNodes = (Button) findViewById(R.id.submit_nodes_button); |
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submitNodes.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) { |
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Intent viewIntent = new Intent();
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viewIntent.putExtra("nodes", nodes);
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viewIntent.putExtra("possibleNodes", possibleNodes);
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setResult(RESULT_OK, viewIntent); |
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printTheNodes(); |
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finish(); |
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} |
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}); |
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Button addExternalNode = (Button) findViewById(R.id.add_external_node); |
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addExternalNode.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) { |
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lastCheckedPos = -1;
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positionOfNode = -1;
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Intent viewIntent = new Intent(getContext(), AddExternalNodeActivity.class);
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//when first creating a load balancer
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//weighting nodes in not an option
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viewIntent.putExtra("weighted", false); |
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viewIntent.putExtra("loadBalancerPort", selectedPort);
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startActivityForResult(viewIntent, ADD_EXTERNAL_NODE_CODE); |
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} |
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}); |
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} |
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@Override
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public void onBackPressed(){ |
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setResult(RESULT_CANCELED); |
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finish(); |
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} |
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protected void onListItemClick(ListView l, View v, int position, long id) { |
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if (possibleNodes != null && possibleNodes.size() > 0) { |
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if(!possibleNodes.get(position).getName().equals("External Node")){ |
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LinearLayout linear = (LinearLayout) findViewById(R.id.nodes_linear_layout); |
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ListView serversList = (ListView) linear.findViewById(android.R.id.list); |
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View row = serversList.getChildAt(position);
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CheckBox checkBox = (CheckBox)row.findViewById(R.id.add_node_checkbox); |
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if(!checkBox.isChecked()){
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//if the checkbox was not previously checked, treat the listItemClick
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//the same as checking the checkbox
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checkBox.setChecked(!checkBox.isChecked()); |
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} else {
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//if the checkbox was already checked when the listItemClick occurred,
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//then treat it like an edit
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Server server = possibleNodes.get(position); |
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//Need to put all the ip's of the server into one
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//list so they can all be displayed in one spinner
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String[] ipAddresses = getAllIpsOfServer(server); |
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Node node = getNodeFromServer(server); |
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positionOfNode = findNodePosition(node); |
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lastCheckedPos = position; |
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Intent viewIntent = new Intent(getContext(), AddNodeActivity.class);
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viewIntent.putExtra("ipAddresses", ipAddresses);
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viewIntent.putExtra("name", server.getName());
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if(node != null){ |
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viewIntent.putExtra("node", node);
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} |
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//weighted is false, because on initial node add
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//weight is not option
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viewIntent.putExtra("weighted", false); |
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startActivityForResult(viewIntent, ADD_NODE_CODE); |
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} |
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} else {
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//When clicked on an external node
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Server server = possibleNodes.get(position); |
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Node node = getNodeFromServer(server); |
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positionOfNode = findNodePosition(node); |
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lastCheckedPos = position; |
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Intent viewIntent = new Intent(getContext(), AddExternalNodeActivity.class);
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if(node != null){ |
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viewIntent.putExtra("node", node);
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} |
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//weighted is false, because on initial node add
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//weight is not option
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viewIntent.putExtra("weighted", false); |
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startActivityForResult(viewIntent, ADD_EXTERNAL_NODE_CODE); |
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} |
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} |
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} |
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//return the location of node in nodes
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//if it is no in there then -1
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private int findNodePosition(Node node){ |
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for(int i = 0; i < nodes.size(); i++){ |
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String address = node.getAddress();
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if(address.equals(nodes.get(i).getAddress())){
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return i;
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} |
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} |
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return -1; |
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} |
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private void displayNoServersCell() { |
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String a[] = new String[1]; |
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a[0] = "No Nodes"; |
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setListAdapter(new ArrayAdapter<String>(this, R.layout.nonodescell, R.id.no_nodes_label, a)); |
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getListView().setTextFilterEnabled(true);
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getListView().setDividerHeight(0); // hide the dividers so it won't look like a list row |
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getListView().setItemsCanFocus(false);
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} |
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private void setServerList(ArrayList<Server> servers) { |
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if (servers == null) { |
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servers = new ArrayList<Server>(); |
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} |
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String[] serverNames = new String[servers.size()]; |
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this.possibleNodes = new ArrayList<Server>(); |
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if (servers != null) { |
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for (int i = 0; i < servers.size(); i++) { |
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Server server = servers.get(i); |
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this.possibleNodes.add(i, server);
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serverNames[i] = server.getName(); |
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} |
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} |
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if (serverNames.length == 0) { |
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displayNoServersCell(); |
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} else {
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getListView().setDividerHeight(1); // restore divider lines |
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setListAdapter(new ServerAdapter());
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} |
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} |
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private void loadServers() { |
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new LoadServersTask().execute((Void[]) null); |
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} |
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// * Adapter/
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class ServerAdapter extends ArrayAdapter<Server> { |
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ServerAdapter() {
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super(AddNodesActivity.this, R.layout.listservernodecell, possibleNodes);
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} |
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public View getView(int position, View convertView, ViewGroup parent) { |
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final Server server = possibleNodes.get(position);
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LayoutInflater inflater = getLayoutInflater(); |
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View row = inflater.inflate(R.layout.listservernodecell, parent, false); |
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TextView label = (TextView) row.findViewById(R.id.label); |
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label.setText(server.getName()); |
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TextView sublabel = (TextView) row.findViewById(R.id.sublabel); |
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if(server.getName().equals("External Node")){ |
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sublabel.setText(server.getPrivateIpAddresses()[0]);
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} else {
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sublabel.setText(server.getFlavor().getName() + " - " + server.getImage().getName());
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} |
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//Need to put all the ip's of the server into one
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//list so they can all be displayed in one spinner
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final String[] ipAddresses = getAllIpsOfServer(server); |
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final int pos = position; |
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CheckBox add = (CheckBox) row.findViewById(R.id.add_node_checkbox); |
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if(inNodeList(server)){
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add.setChecked(true);
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} |
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add.setOnCheckedChangeListener(new OnCheckedChangeListener() {
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@Override
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public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { |
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if(isChecked){
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//if node is being check it won't be in nodes positionOfNode is -1
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positionOfNode = -1;
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lastCheckedPos = pos; |
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Intent viewIntent = new Intent(getContext(), AddNodeActivity.class);
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viewIntent.putExtra("loadBalancerPort", selectedPort);
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viewIntent.putExtra("ipAddresses", ipAddresses);
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viewIntent.putExtra("name", server.getName());
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//weighted is false, because on initial node add
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//weight is not option
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viewIntent.putExtra("weighted", false); |
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startActivityForResult(viewIntent, ADD_NODE_CODE); |
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} |
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else{
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removeNodeFromList(server); |
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if(server.getName().equals("External Node")){ |
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possibleNodes.remove(server); |
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setServerList(possibleNodes); |
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} |
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} |
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} |
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}); |
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return(row);
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} |
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//returns true if an ip from server
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//is the address of one of the nodes
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private boolean inNodeList(Server server){ |
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for(Node node : nodes){
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String nodeIp = node.getAddress();
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if(serverHasIp(server, nodeIp)){
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return true; |
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} |
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} |
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return false; |
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} |
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/*
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* need to remove by id because that is
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* what is unique
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*/
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private void removeNodeFromList(Server server){ |
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for(int i = 0; i < nodes.size(); i++){ |
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Node node = nodes.get(i); |
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if(serverHasIp(server, node.getAddress())){
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nodes.remove(i); |
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break;
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} |
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} |
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} |
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} |
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private String getNameFromIp(String address){ |
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for(Server s: possibleNodes){
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if(serverHasIp(s, address)){
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return s.getName();
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} |
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} |
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return ""; |
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} |
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|
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//returns true if address is an address of
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//one of the users cloud servers
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private boolean ipInList(String address){ |
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for(Server s : possibleNodes){
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if(serverHasIp(s, address) && !s.getName().equals("External Node")){ |
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return true; |
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} |
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} |
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return false; |
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} |
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|
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//returns true if address is one of server's addresses
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private boolean serverHasIp(Server server, String address){ |
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String[] addresses = server.getPrivateIpAddresses(); |
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if(addresses != null){ |
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for(int i = 0; i < addresses.length; i++){ |
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if(addresses[i].equals(address)){
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return true; |
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} |
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} |
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} |
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addresses = server.getPublicIpAddresses(); |
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if(addresses != null){ |
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for(int i = 0; i < addresses.length; i++){ |
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if(addresses[i].equals(address)){
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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|
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//returns the node that is using an ip from server
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private Node getNodeFromServer(Server server){
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for(Node node : nodes){
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if(serverHasIp(server, node.getAddress())){
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return node;
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} |
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} |
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return null; |
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} |
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|
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//returns an array of all the ip's of server
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private String[] getAllIpsOfServer(Server server){ |
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String[] publicIp = server.getPublicIpAddresses(); |
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String[] privateIp = server.getPrivateIpAddresses(); |
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if(publicIp == null){ |
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publicIp = new String[0]; |
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} |
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if(privateIp == null){ |
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privateIp = new String[0]; |
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} |
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String[] ipAddresses = new String[privateIp.length + publicIp.length]; |
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for(int i = 0; i < privateIp.length; i++){ |
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ipAddresses[i] = privateIp[i]; |
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} |
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for(int i = 0; i < publicIp.length; i++){ |
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ipAddresses[i+privateIp.length] = publicIp[i]; |
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} |
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return ipAddresses;
|
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} |
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|
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private class LoadServersTask extends AsyncTask<Void, Void, ArrayList<Server>> { |
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private CloudServersException exception;
|
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|
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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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|
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@Override
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protected ArrayList<Server> doInBackground(Void... arg0) { |
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ArrayList<Server> servers = null; |
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try {
|
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servers = (new ServerManager()).createList(true, getContext()); |
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} catch (CloudServersException e) {
|
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exception = e; |
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} |
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return servers;
|
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} |
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|
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@Override
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protected void onPostExecute(ArrayList<Server> 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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|
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//Add the external nodes
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for(int i = 0; i < nodes.size(); i++){ |
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if(nodes.get(i).getName().equals("External Node")){ |
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Server server = new Server();
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server.setName("External Node");
|
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String[] ip = {nodes.get(i).getAddress()}; |
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server.setPrivateIpAddresses(ip); |
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result.add(server); |
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} |
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} |
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setServerList(result); |
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} |
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} |
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|
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//removes a node with ip of address from nodes
|
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//if one doesnt exists does nothing
|
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/*
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private void removeNodeWithIp(String address){
|
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for(int i = 0; i < nodes.size(); i++){
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Node n = nodes.get(i);
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if(n.getAddress().equals(address)){
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nodes.remove(i);
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break;
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}
|
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}
|
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}
|
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*/
|
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|
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protected void onActivityResult(int requestCode, int resultCode, Intent data){ |
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int pos = lastCheckedPos;
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if(requestCode == ADD_NODE_CODE && resultCode == RESULT_OK){
|
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//data will be null is user back out on edit
|
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//we dont need to do anything then
|
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//if new node added data won't be null
|
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//so create the new node and add it to the list
|
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if(data != null){ |
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//will remove the node if it's already in the list
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//so we can update it
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//removeNodeWithIp(data.getStringExtra("nodeIp"));
|
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if(positionOfNode >= 0){ |
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nodes.remove(positionOfNode); |
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} |
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Node node = new Node();
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node.setAddress(data.getStringExtra("nodeIp"));
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node.setCondition(data.getStringExtra("nodeCondition"));
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node.setName(possibleNodes.get(pos).getName()); |
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node.setPort(data.getStringExtra("nodePort"));
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node.setWeight(data.getStringExtra("nodeWeight"));
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nodes.add(node); |
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} |
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} |
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else if(requestCode == ADD_NODE_CODE && resultCode == RESULT_CANCELED){ |
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//uncheck the node at lastCheckedPos
|
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LinearLayout linear = (LinearLayout) findViewById(R.id.nodes_linear_layout); |
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ListView serversList = (ListView) linear.findViewById(android.R.id.list); |
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View row = serversList.getChildAt(pos);
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CheckBox checkBox = (CheckBox)row.findViewById(R.id.add_node_checkbox); |
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checkBox.setChecked(false);
|
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} |
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|
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else if(requestCode == ADD_EXTERNAL_NODE_CODE && resultCode == RESULT_OK){ |
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Node node = new Node();
|
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node.setAddress(data.getStringExtra("nodeIp"));
|
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node.setCondition(data.getStringExtra("nodeCondition"));
|
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node.setName("External Node");
|
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node.setPort(data.getStringExtra("nodePort"));
|
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node.setWeight(data.getStringExtra("nodeWeight"));
|
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|
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/*
|
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* If the ip is from a cloud server, alert to user
|
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* so they can select it from there
|
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*/
|
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if(!ipInList(node.getAddress())){
|
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|
| 505 |
if(positionOfNode >= 0){ |
| 506 |
nodes.remove(positionOfNode); |
| 507 |
} |
| 508 |
|
| 509 |
nodes.add(node); |
| 510 |
//Add it to server list so it display in the listview
|
| 511 |
Server server = new Server();
|
| 512 |
server.setName("External Node");
|
| 513 |
String[] ip = {data.getStringExtra("nodeIp")}; |
| 514 |
server.setPrivateIpAddresses(ip); |
| 515 |
|
| 516 |
//remove the old node and replace it with the updated one
|
| 517 |
if(pos != -1){ |
| 518 |
possibleNodes.remove(pos); |
| 519 |
} |
| 520 |
possibleNodes.add(server); |
| 521 |
setServerList(possibleNodes); |
| 522 |
} else {
|
| 523 |
String name = getNameFromIp(node.getAddress());
|
| 524 |
if(name.equals("External Node")){ |
| 525 |
showAlert("Error", "This IP has already been added as an external node, please edit " + |
| 526 |
"it from the list.");
|
| 527 |
} else {
|
| 528 |
showAlert("Error", "This IP belongs to a cloud server: \"" + getNameFromIp(node.getAddress()) |
| 529 |
+ "\", please edit it from the list.");
|
| 530 |
} |
| 531 |
} |
| 532 |
} |
| 533 |
printTheNodes(); |
| 534 |
} |
| 535 |
|
| 536 |
private void printTheNodes(){ |
| 537 |
for(Node n: nodes){
|
| 538 |
Log.d("info", "address: " + n.getAddress() + " Port: " + n.getPort() + " Cond: " + n.getCondition()); |
| 539 |
} |
| 540 |
Log.d("info", " SPACE "); |
| 541 |
} |
| 542 |
|
| 543 |
} |