root / src / com / rackspacecloud / android / AddMoreNodesActivity.java @ c4a37180
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package com.rackspacecloud.android; |
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import java.util.ArrayList; |
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import org.apache.http.HttpResponse; |
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import com.rackspace.cloud.loadbalancer.api.client.LoadBalancer; |
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import com.rackspace.cloud.loadbalancer.api.client.Node; |
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import com.rackspace.cloud.loadbalancer.api.client.NodeManager; |
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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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import com.rackspace.cloud.servers.api.client.http.HttpBundle; |
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import android.app.Activity; |
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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.LinearLayout; |
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import android.widget.ListView; |
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import android.widget.CompoundButton.OnCheckedChangeListener; |
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import android.widget.TextView; |
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public class AddMoreNodesActivity 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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private ArrayList<Server> possibleNodes; |
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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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private ArrayList<Node> nodes; |
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private ArrayList<Node> nodesToAdd; |
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private LoadBalancer loadBalancer;
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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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loadBalancer = (LoadBalancer) this.getIntent().getExtras().get("loadBalancer"); |
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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("loadBalancer", loadBalancer);
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outState.putSerializable("nodesToAdd", nodesToAdd);
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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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} |
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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("loadBalancer")){ |
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loadBalancer = (LoadBalancer) state.getSerializable("loadBalancer");
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if(loadBalancer == null){ |
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loadBalancer = new LoadBalancer();
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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("nodesToAdd")){ |
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nodesToAdd = (ArrayList<Node>) state.getSerializable("nodesToAdd"); |
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} |
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else{
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nodesToAdd = new ArrayList<Node>(); |
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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("servers"); |
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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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if(nodesToAdd.size() == 0){ |
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finish(); |
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} else {
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new AddNodesTask().execute();
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} |
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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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positionOfNode = -1;
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Intent viewIntent = new Intent(getContext(), AddExternalNodeActivity.class);
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viewIntent.putExtra("weighted", loadBalancer.getAlgorithm().toLowerCase().contains("weighted")); |
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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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//When a list item is click just change the checkbox state
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//and then the checkbox's onClick will be performed
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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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viewIntent.putExtra("weighted", loadBalancer.getAlgorithm().toLowerCase().contains("weighted")); |
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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 < nodesToAdd.size(); i++){ |
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String address = node.getAddress();
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if(address.equals(nodesToAdd.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 Servers"; |
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setListAdapter(new ArrayAdapter<String>(this, R.layout.noserverscell, R.id.no_servers_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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for(int i = 0; i < servers.size(); i++) { |
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/*
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* if all the IP's of a server are
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* already used as nodes, we do not
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* need to display that server
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*/
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if(!notAllIpsNodes(servers.get(i))){
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servers.remove(i); |
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} |
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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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for(int i = 0; i < servers.size(); i++){ |
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serverNames[i] = servers.get(i).getName(); |
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this.possibleNodes.add(i, servers.get(i));
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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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/*
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* determine if all the IP's of a server are
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* already used as nodes
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*/
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private boolean notAllIpsNodes(Server server){ |
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for(String address : server.getPrivateIpAddresses()){ |
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if(!nodeHasAddress(address)){
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return true; |
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} |
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} |
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for(String address : server.getPublicIpAddresses()){ |
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if(!nodeHasAddress(address)){
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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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* determine is an existing node has IP Address,
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* address
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*/
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private boolean nodeHasAddress(String address){ |
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for(Node n : nodes){
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if(n.getAddress().equals(address)){
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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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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(AddMoreNodesActivity.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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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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ArrayList<String> ipAddressList = new ArrayList<String>(); |
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for(int i = 0; i < privateIp.length; i++){ |
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if(!nodeHasAddress(privateIp[i])){
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ipAddressList.add(privateIp[i]); |
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} |
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} |
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for(int i = 0; i < publicIp.length; i++){ |
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if(!nodeHasAddress(publicIp[i])){
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ipAddressList.add(publicIp[i]); |
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} |
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} |
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final String[] ipAddresses = ipAddressList.toArray(new String[ipAddressList.size()]); |
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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(inToAddList(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("ipAddresses", ipAddresses);
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viewIntent.putExtra("name", server.getName());
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viewIntent.putExtra("weighted", loadBalancer.getAlgorithm().contains("WEIGHTED")); |
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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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/*
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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 < nodesToAdd.size(); i++){ |
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Node node = nodesToAdd.get(i); |
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if(serverHasIp(server, node.getAddress())){
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nodesToAdd.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 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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private boolean inToAddList(Server server){ |
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for(Node node : nodesToAdd){
|
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if(serverHasIp(server, node.getAddress())){
|
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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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|
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private class AddNodesTask extends AsyncTask<Void, Void, HttpBundle> { |
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private CloudServersException exception;
|
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|
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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 HttpBundle doInBackground(Void... arg0) { |
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HttpBundle bundle = null;
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try {
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bundle = (new NodeManager(getContext())).add(loadBalancer, nodesToAdd);
|
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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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|
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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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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 creating your load balancer.", bundle);
|
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} else {
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//if container with same name already exists
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showError("There was a problem creating your load balancer: " + cse.getMessage() + "\n See details for more information", 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 creating your container: " + exception.getMessage()+"\n See details for more information.", bundle); |
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} |
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finish(); |
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} |
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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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setServerList(result); |
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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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private boolean isCloudServerIp(String address){ |
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for(Server s : possibleNodes){
|
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if(serverHasIp(s, address)){
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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 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 : nodesToAdd){
|
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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){ |
| 520 |
privateIp = new String[0]; |
| 521 |
} |
| 522 |
String[] ipAddresses = new String[privateIp.length + publicIp.length]; |
| 523 |
for(int i = 0; i < privateIp.length; i++){ |
| 524 |
ipAddresses[i] = privateIp[i]; |
| 525 |
} |
| 526 |
for(int i = 0; i < publicIp.length; i++){ |
| 527 |
ipAddresses[i+privateIp.length] = publicIp[i]; |
| 528 |
} |
| 529 |
|
| 530 |
return ipAddresses;
|
| 531 |
} |
| 532 |
|
| 533 |
protected void onActivityResult(int requestCode, int resultCode, Intent data){ |
| 534 |
int pos = lastCheckedPos;
|
| 535 |
if(requestCode == ADD_NODE_CODE && resultCode == RESULT_OK){
|
| 536 |
//data will be null if user backed out on edit
|
| 537 |
//we dont need to do anything then
|
| 538 |
//if new node added data won't be null
|
| 539 |
//so create the new node and add it to the list
|
| 540 |
if(data != null){ |
| 541 |
//will remove the node if it's already in the list
|
| 542 |
//so we can update it
|
| 543 |
if(positionOfNode >= 0){ |
| 544 |
nodesToAdd.remove(positionOfNode); |
| 545 |
} |
| 546 |
|
| 547 |
Node node = new Node();
|
| 548 |
node.setAddress(data.getStringExtra("nodeIp"));
|
| 549 |
node.setCondition(data.getStringExtra("nodeCondition"));
|
| 550 |
node.setName(possibleNodes.get(pos).getName()); |
| 551 |
node.setPort(data.getStringExtra("nodePort"));
|
| 552 |
node.setWeight(data.getStringExtra("nodeWeight"));
|
| 553 |
nodesToAdd.add(node); |
| 554 |
} |
| 555 |
} |
| 556 |
else if(requestCode == ADD_NODE_CODE && resultCode == RESULT_CANCELED){ |
| 557 |
//uncheck the node at lastCheckedPos
|
| 558 |
LinearLayout linear = (LinearLayout) findViewById(R.id.nodes_linear_layout); |
| 559 |
ListView serversList = (ListView) linear.findViewById(android.R.id.list); |
| 560 |
View row = serversList.getChildAt(pos);
|
| 561 |
CheckBox checkBox = (CheckBox)row.findViewById(R.id.add_node_checkbox); |
| 562 |
checkBox.setChecked(false);
|
| 563 |
} |
| 564 |
else if(requestCode == ADD_EXTERNAL_NODE_CODE && resultCode == RESULT_OK){ |
| 565 |
Node node = new Node();
|
| 566 |
node.setAddress(data.getStringExtra("nodeIp"));
|
| 567 |
node.setCondition(data.getStringExtra("nodeCondition"));
|
| 568 |
node.setName("External Node");
|
| 569 |
node.setPort(data.getStringExtra("nodePort"));
|
| 570 |
node.setWeight(data.getStringExtra("nodeWeight"));
|
| 571 |
|
| 572 |
/*
|
| 573 |
* If the ip is from a cloud server, alert to user
|
| 574 |
* so they can select it from there
|
| 575 |
*/
|
| 576 |
if(!isCloudServerIp(node.getAddress())){
|
| 577 |
|
| 578 |
if(positionOfNode >= 0){ |
| 579 |
nodesToAdd.remove(positionOfNode); |
| 580 |
} |
| 581 |
|
| 582 |
nodesToAdd.add(node); |
| 583 |
//Add it to server list so it display in the listview
|
| 584 |
Server server = new Server();
|
| 585 |
server.setName("External Node");
|
| 586 |
String[] ip = {data.getStringExtra("nodeIp")}; |
| 587 |
server.setPrivateIpAddresses(ip); |
| 588 |
possibleNodes.add(server); |
| 589 |
setServerList(possibleNodes); |
| 590 |
} else {
|
| 591 |
showAlert("Error", "This IP belongs to a cloud server: \"" + getNameFromIp(node.getAddress()) |
| 592 |
+ "\", please select it from the list.");
|
| 593 |
} |
| 594 |
} |
| 595 |
printTheNodes(); |
| 596 |
} |
| 597 |
|
| 598 |
private void printTheNodes(){ |
| 599 |
for(Node n: nodesToAdd){
|
| 600 |
Log.d("info", "address: " + n.getAddress() + " Port: " + n.getPort() + " Cond: " + n.getCondition()); |
| 601 |
} |
| 602 |
Log.d("info", " SPACE "); |
| 603 |
} |
| 604 |
} |