root / src / com / rackspacecloud / android / AddExternalNodeActivity.java @ 48601850
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package com.rackspacecloud.android; |
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import java.util.regex.Matcher; |
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import java.util.regex.Pattern; |
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import android.content.Intent; |
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import android.os.Bundle; |
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import android.util.Log; |
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import android.view.View; |
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import android.view.View.OnClickListener; |
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import android.view.Window; |
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import android.widget.AdapterView; |
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import android.widget.AdapterView.OnItemSelectedListener; |
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import android.widget.ArrayAdapter; |
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import android.widget.Button; |
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import android.widget.EditText; |
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import android.widget.Spinner; |
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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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public class AddExternalNodeActivity extends CloudActivity { |
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private final String[] CONDITIONS = {"Enabled", "Disabled", "Draining"}; |
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private String selectedPort; |
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private String selectedIp; |
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private String selectedWeight; |
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private boolean weighted; |
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private String selectedCondition; |
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private Spinner conditionSpinner;
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private EditText ipAddress;
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private EditText weightText;
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private Node node;
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public void onCreate(Bundle savedInstanceState) { |
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super.onCreate(savedInstanceState);
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requestWindowFeature(Window.FEATURE_NO_TITLE);
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setContentView(R.layout.addexternalnode); |
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weighted = (Boolean) this.getIntent().getExtras().get("weighted"); |
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node = (Node) this.getIntent().getExtras().get("node"); |
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selectedPort = (String) this.getIntent().getExtras().get("loadBalancerPort"); |
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restoreState(savedInstanceState); |
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} |
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protected void restoreState(Bundle state) { |
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super.restoreState(state);
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setupInputs(); |
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} |
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private void setupInputs(){ |
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ipAddress = (EditText) findViewById(R.id.ip_address); |
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weightText = (EditText) findViewById(R.id.node_weight_text); |
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//if algorithm is not weighted then then node's weight will be null
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if(!weighted){
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TextView weightLabel = (TextView) findViewById(R.id.node_weight_label); |
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weightLabel.setVisibility(View.GONE);
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weightText.setVisibility(View.GONE);
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} |
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loadConditionSpinner(); |
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setUpButton(); |
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if(node != null){ |
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ipAddress.setText(node.getAddress()); |
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weightText.setText(node.getWeight()); |
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((EditText)findViewById(R.id.node_port_text)).setText(node.getPort()); |
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conditionSpinner.setSelection(getLocation(CONDITIONS, node.getCondition())); |
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} else {
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Log.d("info", "node was null"); |
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((EditText)findViewById(R.id.node_port_text)).setText(selectedPort); |
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} |
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} |
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private int getLocation(Object[] objects, Object object){ |
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for(int i = 0; i < objects.length; i++){ |
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if(object.equals(objects[i])){
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return i;
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} |
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} |
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return 0; |
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} |
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private void setUpButton(){ |
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Button submit = (Button) findViewById(R.id.add_node_button); |
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submit.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) { |
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selectedIp = ipAddress.getText().toString().trim(); |
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selectedPort = ((EditText)findViewById(R.id.node_port_text)).getText().toString().trim(); |
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selectedWeight = weightText.getText().toString().trim(); |
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if(!validPort(selectedPort)){
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showAlert("Error", "Must have a protocol port number that is between 1 and 65535."); |
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} else if(!(weightText.getVisibility() == View.GONE || (weightText.getVisibility() != View.GONE && validWeight(selectedWeight)))){ |
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showAlert("Error", "Weight must be between 1 and 100."); |
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} else if(selectedIp.equals("")){ |
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//TODO use regex to validate the ip for IPV4 and IPV6
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showAlert("Error", "Enter an IP Address"); |
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} else if(!validIp(selectedIp)) { |
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showAlert("Error", "Enter a valid IP Address"); |
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} else {
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Intent data = new Intent();
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data.putExtra("nodeIp", selectedIp);
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data.putExtra("nodePort", selectedPort);
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data.putExtra("nodeCondition", selectedCondition);
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data.putExtra("nodeWeight", selectedWeight);
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setResult(RESULT_OK, data); |
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finish(); |
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} |
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} |
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}); |
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} |
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private void loadConditionSpinner(){ |
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conditionSpinner = (Spinner) findViewById(R.id.node_condition_spinner); |
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ArrayAdapter<String> conditionAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, CONDITIONS); |
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conditionAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); |
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conditionSpinner.setAdapter(conditionAdapter); |
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conditionSpinner.setOnItemSelectedListener(new OnItemSelectedListener() {
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@Override
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public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) { |
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selectedCondition = CONDITIONS[pos]; |
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} |
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@Override
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public void onNothingSelected(AdapterView<?> arg0) { |
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} |
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}); |
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} |
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//basic ip validation just checks that the string
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//is only composed of letters, numbers, ., :
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private static boolean validIp(String ip){ |
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//Enter regex
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if(ip != null){ |
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Pattern pattern = Pattern.compile("[a-zA-Z0-9.:]+"); |
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Matcher match = pattern.matcher(ip);
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return match.matches();
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} else {
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return false; |
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} |
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} |
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private boolean validPort(String port){ |
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boolean result;
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try{
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result = !port.equals("") && Integer.valueOf(port) > 0 && Integer.valueOf(port) < 65536; |
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} catch (NumberFormatException e) { |
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result = false;
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} |
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return result;
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} |
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private Boolean validWeight(String weight){ |
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if(weight.equals("")){ |
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return false; |
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} |
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else{
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int w;
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try{
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w = Integer.valueOf(weight);
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} catch (NumberFormatException e){ |
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return false; |
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} |
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return w >= 1 && w <= 100 ; |
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} |
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} |
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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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} |
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