[SDC-29] Amdocs OnBoard 1707 initial commit.

Change-Id: Ie4d12a3f574008b792899b368a0902a8b46b5370
Signed-off-by: AviZi <avi.ziv@amdocs.com>

2 files changed, 742 insertions, 0 deletions

diff --git a/common/openecomp-common-configuration-management/openecomp-configuration-management-cli/src/main/java/org/openecomp/config/cli/app/Configuration.java b/common/openecomp-common-configuration-management/openecomp-configuration-management-cli/src/main/java/org/openecomp/config/cli/app/Configuration.java
new file mode 100644
index 0000000000..d43c0505a8
--- /dev/null
+++ b/common/openecomp-common-configuration-management/openecomp-configuration-management-cli/src/main/java/org/openecomp/config/cli/app/Configuration.java
@@ -0,0 +1,119 @@
+package org.openecomp.config.cli.app;
+
+import org.openecomp.config.api.ConfigurationChangeListener;
+import org.openecomp.config.api.ConfigurationManager;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.management.JMX;
+import javax.management.MBeanServerConnection;
+import javax.management.ObjectName;
+import javax.management.remote.JMXConnector;
+import javax.management.remote.JMXConnectorFactory;
+import javax.management.remote.JMXServiceURL;
+
+/**
+ * The type Configuration.
+ */
+public class Configuration {
+
+  /**
+   * The entry point of application.
+   *
+   * @param args the input arguments
+   * @throws Exception the exception
+   */
+  public static void main(String[] args) throws Exception {
+
+    String host = getValueFor("host", args);
+    String port = getValueFor("port", args);
+
+    if (host == null) {
+      host = "127.0.0.1";
+    }
+    if (port == null) {
+      port = "9999";
+    }
+    JMXServiceURL url =
+        new JMXServiceURL("service:jmx:rmi:///jndi/rmi://" + host + ":" + port + "/jmxrmi");
+    Map<String, String[]> env = new HashMap<>();
+    //populate dummy value. need to be changed as per impl.
+    String[] credentials = {"principal", "password"};
+    env.put(JMXConnector.CREDENTIALS, credentials);
+
+    try (JMXConnector jmxc = JMXConnectorFactory.connect(url, env)) {
+
+      boolean isUpdate = isKeyPresent("update", args);
+
+      Map<String, Object> input = new HashMap<>();
+      input.put("ImplClass", isUpdate ? "org.openecomp.config.type.ConfigurationUpdate"
+          : "org.openecomp.config.type.ConfigurationQuery");
+      input.put("externalLookup", isKeyPresent("lookup", args));
+      input.put("nodeOverride", isKeyPresent("nodeOverride", args));
+      input.put("nodeSpecific", isKeyPresent("nodeSpecific", args));
+      input.put("fallback", isKeyPresent("fallback", args));
+      input.put("latest", isKeyPresent("latest", args));
+      input.put("tenant", getValueFor("tenant", args));
+      input.put("namespace", getValueFor("namespace", args));
+      input.put("key", getValueFor("key", args));
+      input.put("value", getValueFor("value", args));
+
+
+      if (!isKeyPresent("list", args) && getValueFor("key", args) == null) {
+        throw new RuntimeException("Key is missing.");
+      }
+      if (isKeyPresent("update", args) && getValueFor("value", args) == null) {
+        throw new RuntimeException("Value is missing.");
+      }
+
+
+      MBeanServerConnection mbsc = jmxc.getMBeanServerConnection();
+      ObjectName mbeanName = new ObjectName("org.openecomp.jmx:name=SystemConfig");
+      org.openecomp.config.api.ConfigurationManager conf =
+          JMX.newMBeanProxy(mbsc, mbeanName, org.openecomp.config.api.ConfigurationManager.class,
+              true);
+
+      boolean isGet = isKeyPresent("get", args);
+      boolean isList = isKeyPresent("list", args);
+      if (isGet) {
+        System.out.println(conf.getConfigurationValue(input));
+      } else if (isList) {
+        Map<String, String> map = conf.listConfiguration(input);
+        for (Map.Entry<String, String> entry : map.entrySet()) {
+          System.out.println(entry.getKey() + " : " + entry.getValue());
+        }
+      } else if (isUpdate) {
+        conf.updateConfigurationValue(input);
+      }
+    }
+  }
+
+  private static boolean isSwitch(String key) {
+    return key.startsWith("-");
+  }
+
+  private static String getValueFor(String key, String[] args) {
+    for (int i = 0; i < args.length; i++) {
+      if (isSwitch(args[i])) {
+        String node = args[i].substring(1);
+        if (node.equalsIgnoreCase(key) && i < args.length - 1) {
+          return args[i + 1].trim().length() == 0 ? null : args[i + 1].trim();
+        }
+      }
+    }
+    return null;
+  }
+
+  private static boolean isKeyPresent(String key, String[] args) {
+    for (int i = 0; i < args.length; i++) {
+      if (isSwitch(args[i])) {
+        String node = args[i].substring(1);
+        if (node.equalsIgnoreCase(key)) {
+          return true;
+        }
+      }
+    }
+    return false;
+  }
+}
diff --git a/common/openecomp-common-configuration-management/openecomp-configuration-management-cli/src/main/java/org/openecomp/config/gui/app/Configuration.java b/common/openecomp-common-configuration-management/openecomp-configuration-management-cli/src/main/java/org/openecomp/config/gui/app/Configuration.java
new file mode 100644
index 0000000000..3db67c536a
--- /dev/null
+++ b/common/openecomp-common-configuration-management/openecomp-configuration-management-cli/src/main/java/org/openecomp/config/gui/app/Configuration.java
@@ -0,0 +1,623 @@
+package org.openecomp.config.gui.app;
+
+
+import com.sun.tools.attach.VirtualMachine;
+import com.sun.tools.attach.VirtualMachineDescriptor;
+import org.openecomp.config.api.ConfigurationManager;
+
+import java.awt.BorderLayout;
+import java.awt.Button;
+import java.awt.CardLayout;
+import java.awt.Checkbox;
+import java.awt.CheckboxGroup;
+import java.awt.Choice;
+import java.awt.Dialog;
+import java.awt.Dimension;
+import java.awt.Frame;
+import java.awt.GraphicsDevice;
+import java.awt.GraphicsEnvironment;
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import java.awt.GridLayout;
+import java.awt.Label;
+import java.awt.Panel;
+import java.awt.ScrollPane;
+import java.awt.TextArea;
+import java.awt.TextField;
+import java.awt.Toolkit;
+import java.awt.event.ItemEvent;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+import javax.management.JMX;
+import javax.management.MBeanServerConnection;
+import javax.management.ObjectName;
+import javax.management.remote.JMXConnector;
+import javax.management.remote.JMXConnectorFactory;
+import javax.management.remote.JMXServiceURL;
+
+
+/**
+ * The type Configuration.
+ */
+public class Configuration extends Frame {
+
+  /**
+   * The Vm.
+   */
+  VirtualMachine vm = null;
+  private TextField host;
+  private TextField port;
+  private TextField user;
+  private Choice pid;
+  private TextField password;
+  private CheckboxGroup getUpdateList;
+  private CheckboxGroup localRemote;
+  private Choice tenantChoice;
+  private Choice namespaceChoice;
+  private Choice keyChoice;
+  private Checkbox latest;
+  private Checkbox lookup;
+  private Checkbox fallback;
+  private Checkbox nodeSpecific;
+  private Checkbox nodeSpecificForList;
+  private Checkbox latestForList;
+  private Checkbox lookupForList;
+  private Checkbox fallbackForList;
+  private Checkbox nodeOverride;
+  private TextArea getValue = new TextArea(1, 50);
+  private TextArea updateValue = new TextArea(1, 50);
+  private Panel table;
+  private CardLayout cards;
+  private Panel cardPanel;
+  private JMXConnector connector;
+  private ConfigurationManager manager;
+  private Frame container;
+  private Button getKeysButton;
+
+  /**
+   * Instantiates a new Configuration.
+   *
+   * @param title the title
+   */
+  public Configuration(String title) {
+    super(title);
+    setSize(300, 300);
+    setLayout(new GridLayout(2, 1));
+    Panel firstRowPanel = new Panel();
+    firstRowPanel.setLayout(new GridLayout(0, 1));
+    firstRowPanel.add(
+        buildHostPortPanel(host = new TextField("127.0.0.1"), port = new TextField("9999"),
+            pid = new Choice(), localRemote = new CheckboxGroup()));
+    firstRowPanel
+        .add(buildUserPasswordPanel(user = new TextField(""), password = new TextField("")));
+    firstRowPanel.add(buildGetUpdatelistPanel(getUpdateList = new CheckboxGroup()));
+    firstRowPanel.add(
+        buildTenantNamespacePanel(tenantChoice = new Choice(), namespaceChoice = new Choice()));
+    firstRowPanel.add(buildKeyPanel(keyChoice = new Choice()));
+    add(firstRowPanel);
+    add(cardPanel = buildCards(cards = new CardLayout()));
+    addWindowListener(new WindowAdapter() {
+      public void windowClosing(WindowEvent windowEvent) {
+        close();
+        System.exit(0);
+      }
+    });
+    pack();
+    setVisible(true);
+    container = this;
+    centreWindow(this);
+    Executors.newSingleThreadScheduledExecutor().scheduleWithFixedDelay(() -> {
+      this.populateAvailablePids();
+      validate();
+    }, 30, 30, TimeUnit.SECONDS);
+  }
+
+  /**
+   * The entry point of application.
+   *
+   * @param args the input arguments
+   */
+  public static void main(String[] args) {
+    Configuration configuration = new Configuration("Configuration Management App");
+
+  }
+
+  private void toggleLocalRemote(ItemEvent ie) {
+    if (ie.getStateChange() == ItemEvent.SELECTED) {
+      String usecase = (ie.getSource() instanceof Checkbox) ? ((Checkbox) ie.getSource()).getLabel()
+          : ((Checkbox) ie.getItem()).getLabel();
+      pid.setEnabled(usecase.equals("Local"));
+      host.setEnabled(!usecase.equals("Local"));
+      port.setEnabled(!usecase.equals("Local"));
+    }
+  }
+
+  private Panel buildHostPortPanel(TextField host, TextField port, Choice pid,
+                                   CheckboxGroup group) {
+    populateAvailablePids();
+    Panel panel = new Panel();
+    panel.setLayout(new GridBagLayout());
+    GridBagConstraints gbc = new GridBagConstraints();
+    gbc.fill = gbc.HORIZONTAL;
+    gbc.weightx = 0;
+    Checkbox checkbox = null;
+    panel.add(checkbox = new Checkbox("Local", group, pid.getItemCount() > 0), gbc);
+    checkbox.addItemListener(this::toggleLocalRemote);
+    gbc.weightx = 0;
+    panel.add(checkbox = new Checkbox("Remote", group, pid.getItemCount() == 0), gbc);
+    checkbox.addItemListener(this::toggleLocalRemote);
+    gbc.weightx = 0;
+    panel.add(new Label("PID:"), gbc);
+    gbc.weightx = 1;
+    panel.add(pid, gbc);
+    gbc.weightx = 0;
+    panel.add(new Label("Host:"), gbc);
+    gbc.weightx = 1;
+    panel.add(host, gbc);
+    gbc.weightx = 0;
+    panel.add(new Label("Port:"), gbc);
+    gbc.weightx = 1;
+    panel.add(port, gbc);
+    host.setEnabled(pid.getItemCount() == 0);
+    port.setEnabled(pid.getItemCount() == 0);
+    pid.setEnabled(pid.getItemCount() > 0);
+    return panel;
+  }
+
+  private Panel buildUserPasswordPanel(TextField user, TextField password) {
+    Panel panel = new Panel();
+    password.setEchoChar('*');
+    panel.setLayout(new GridBagLayout());
+    GridBagConstraints gbc = new GridBagConstraints();
+    gbc.fill = gbc.HORIZONTAL;
+    gbc.weightx = 0;
+    panel.add(new Label("User : "), gbc);
+    gbc.weightx = 1;
+    panel.add(user, gbc);
+    gbc.weightx = 0;
+    panel.add(new Label("Password : "), gbc);
+    gbc.weightx = 1;
+    panel.add(password, gbc);
+    gbc.weightx = 0;
+    Button button = null;
+    panel.add(button = new Button("Connect"), gbc);
+    button.addActionListener((actionListener) -> connect());
+    return panel;
+  }
+
+  /**
+   * Build get updatelist panel panel.
+   *
+   * @param getUpdtaeList the get updtae list
+   * @return the panel
+   */
+  public Panel buildGetUpdatelistPanel(CheckboxGroup getUpdtaeList) {
+    Panel panel = new Panel();
+    Checkbox checkbox = null;
+    panel.setLayout(new GridLayout(1, 3));
+    panel.add(checkbox = new Checkbox("Get", getUpdtaeList, true));
+    checkbox.addItemListener(this::showCard);
+    panel.add(checkbox = new Checkbox("List", getUpdtaeList, false));
+    checkbox.addItemListener(this::showCard);
+    panel.add(checkbox = new Checkbox("Update", getUpdtaeList, false));
+    checkbox.addItemListener(this::showCard);
+    return panel;
+  }
+
+  /**
+   * Build tenant namespace panel panel.
+   *
+   * @param tenant    the tenant
+   * @param namespace the namespace
+   * @return the panel
+   */
+  public Panel buildTenantNamespacePanel(Choice tenant, Choice namespace) {
+    Panel panel = new Panel();
+    panel.setLayout(new GridBagLayout());
+    GridBagConstraints gbc = new GridBagConstraints();
+    gbc.fill = gbc.HORIZONTAL;
+    gbc.weightx = 0;
+    panel.add(new Label("Tenant"), gbc);
+    gbc.weightx = 1;
+    panel.add(tenant, gbc);
+    gbc.weightx = 0;
+    panel.add(new Label("Namespace"), gbc);
+    gbc.weightx = 1;
+    panel.add(namespace, gbc);
+    gbc.weightx = 0;
+    panel.add(getKeysButton = new Button("Get Keys"), gbc);
+    getKeysButton.addActionListener((actionListener) -> populateKeys(
+        manager.getKeys(tenantChoice.getSelectedItem(), namespaceChoice.getSelectedItem())));
+    tenantChoice.addItemListener((itemListener) -> keyChoice.removeAll());
+    namespaceChoice.addItemListener((itemListener) -> keyChoice.removeAll());
+    return panel;
+  }
+
+  private Panel buildConnectPanel() {
+    Button button = null;
+    Panel panel = new Panel();
+    panel.setLayout(new GridLayout(1, 3));
+    panel.add(new Label());
+    panel.add(button = new Button("Connect"));
+    panel.add(new Label());
+    button.addActionListener((actionListener) -> connect());
+    return panel;
+  }
+
+  /**
+   * Build key panel panel.
+   *
+   * @param keyChoice the key choice
+   * @return the panel
+   */
+  public Panel buildKeyPanel(Choice keyChoice) {
+    Panel panel = new Panel();
+    panel.setLayout(new GridBagLayout());
+    GridBagConstraints gbc = new GridBagConstraints();
+    gbc.fill = gbc.HORIZONTAL;
+    gbc.weightx = 0;
+    panel.add(new Label("Keys : "), gbc);
+    gbc.weightx = 1;
+    panel.add(keyChoice, gbc);
+    return panel;
+  }
+
+  /**
+   * Build cards panel.
+   *
+   * @param cards the cards
+   * @return the panel
+   */
+  public Panel buildCards(CardLayout cards) {
+    Panel panel = new Panel();
+    panel.setLayout(cards);
+    panel.add(buildCardGetPanel(latest = new Checkbox("Latest"),
+        fallback = new Checkbox("Fallback"),
+        lookup = new Checkbox("External Lookup"), nodeSpecific = new Checkbox("Node Specific"),
+        getValue), "Get");
+    panel.add(buildCardUpdatePanel(nodeOverride = new Checkbox("NodeOverride"),
+        updateValue), "Update");
+    panel.add(buildCardListPanel(table = new Panel(), latestForList = new Checkbox("Latest"),
+        fallbackForList = new Checkbox("Fallback"), lookupForList = new Checkbox("External Lookup"),
+        nodeSpecificForList = new Checkbox("Node Specific")), "List");
+    return panel;
+  }
+
+  /**
+   * Build card get panel panel.
+   *
+   * @param latest       the latest
+   * @param fallback     the fallback
+   * @param lookup       the lookup
+   * @param nodeSpecific the node specific
+   * @param value        the value
+   * @return the panel
+   */
+  public Panel buildCardGetPanel(Checkbox latest, Checkbox fallback, Checkbox lookup,
+                                 Checkbox nodeSpecific, TextArea value) {
+    Panel panel = new Panel();
+
+    panel.setLayout(new BorderLayout());
+    Panel p1 = new Panel();
+    p1.setLayout(new GridLayout(1, 4));
+    p1.add(latest);
+    p1.add(fallback);
+    p1.add(nodeSpecific);
+    p1.add(lookup);
+    panel.add(p1, BorderLayout.NORTH);
+    panel.add(value, BorderLayout.CENTER);
+    Panel bottom = new Panel();
+    bottom.setLayout(new GridLayout(1, 5));
+    bottom.add(new Label());
+    Button button = null;
+    bottom.add(button = new Button("GET"));
+    button.addActionListener((actionListener) -> value.setText(manager
+        .getConfigurationValue(buildMap("org.openecomp.config.type.ConfigurationQuery", value))));
+    bottom.add(new Label());
+    bottom.add(button = new Button("CLOSE"));
+    bottom.add(new Label());
+    panel.add(bottom, BorderLayout.SOUTH);
+    button.addActionListener((actionListener) -> {
+      close();
+      System.exit(0);
+    });
+    return panel;
+  }
+
+  private Map<String, Object> buildMap(String implClass, TextArea value) {
+    Map<String, Object> input = new HashMap<>();
+    input.put("ImplClass", implClass);//:);
+    input.put("externalLookup", value != null ? lookup.getState() : lookupForList.getState());
+    input.put("nodeOverride", nodeOverride.getState());
+    input.put("latest", value != null ? latest.getState() : latestForList.getState());
+    input.put("fallback", value != null ? fallback.getState() : fallbackForList.getState());
+    input.put("nodeSpecific",
+        value != null ? nodeSpecific.getState() : nodeSpecificForList.getState());
+    input.put("tenant", tenantChoice.getSelectedItem());
+    input.put("namespace", namespaceChoice.getSelectedItem());
+    if (keyChoice.getItemCount() == 0) {
+      message("Error", "Key is missing.");
+      throw new RuntimeException("Error");
+    }
+    input.put("key", keyChoice.getSelectedItem());
+    input.put("value", value == null ? "" : value.getText());
+    return input;
+  }
+
+  /**
+   * Build card update panel panel.
+   *
+   * @param nodeOverride the node override
+   * @param value        the value
+   * @return the panel
+   */
+  public Panel buildCardUpdatePanel(Checkbox nodeOverride, TextArea value) {
+    Panel panel = new Panel();
+    panel.setLayout(new BorderLayout());
+    Panel p1 = new Panel();
+    p1.setLayout(new GridLayout(1, 1));
+    p1.add(nodeOverride);
+    panel.add(p1, BorderLayout.NORTH);
+    panel.add(value, BorderLayout.CENTER);
+    Panel bottom = new Panel();
+    bottom.setLayout(new GridLayout(1, 5));
+    bottom.add(new Label());
+    Button button = null;
+    bottom.add(button = new Button("UPDATE"));
+    button.addActionListener((actionListener) -> {
+      manager
+          .updateConfigurationValue(buildMap("org.openecomp.config.type.ConfigurationUpdate", value));
+      message("Info", "Success");
+    });
+    bottom.add(new Label());
+    bottom.add(button = new Button("CLOSE"));
+    bottom.add(new Label());
+    panel.add(bottom, BorderLayout.SOUTH);
+    button.addActionListener((actionListener) -> {
+      close();
+      System.exit(0);
+    });
+    return panel;
+  }
+
+  /**
+   * Build card list panel panel.
+   *
+   * @param table        the table
+   * @param latest       the latest
+   * @param fallback     the fallback
+   * @param nodeSpecific the node specific
+   * @param lookup       the lookup
+   * @return the panel
+   */
+  public Panel buildCardListPanel(Panel table, Checkbox latest, Checkbox fallback,
+                                  Checkbox nodeSpecific, Checkbox lookup) {
+    Panel panel = new Panel();
+    panel.setLayout(new BorderLayout());
+    table.setLayout(new GridLayout(0, 2));
+    ScrollPane sp = new ScrollPane();
+    sp.add(table);
+    panel.add(sp, BorderLayout.CENTER);
+    Panel p1 = new Panel();
+    p1.setLayout(new GridLayout(1, 4));
+    p1.add(latest);
+    p1.add(fallback);
+    p1.add(lookup);
+    p1.add(nodeSpecific);
+    panel.add(p1, BorderLayout.NORTH);
+    Panel bottom = new Panel();
+    bottom.setLayout(new GridLayout(1, 5));
+    bottom.add(new Label());
+    Button button = null;
+    bottom.add(button = new Button("List"));
+    button.addActionListener((actionListener) -> populateKeyValue(
+        manager.listConfiguration(buildMap("org.openecomp.config.type.ConfigurationQuery", null))));
+    bottom.add(new Label());
+    bottom.add(button = new Button("CLOSE"));
+    bottom.add(new Label());
+    panel.add(bottom, BorderLayout.SOUTH);
+    button.addActionListener((actionListener) -> {
+      close();
+      System.exit(0);
+    });
+    return panel;
+  }
+
+  private void populateKeyValue(Map<String, String> collection) {
+    table.removeAll();
+    Set<String> keys = collection.keySet();
+    for (String key : keys) {
+      table.add(new Label(key));
+      table.add(new Label(collection.get(key)));
+    }
+    table.validate();
+  }
+
+  private void showCard(ItemEvent ie) {
+    if (ie.getStateChange() == ItemEvent.SELECTED) {
+      String usecase = (ie.getSource() instanceof Checkbox) ? ((Checkbox) ie.getSource()).getLabel()
+          : ((Checkbox) ie.getItem()).getLabel();
+      cards.show(cardPanel, usecase);
+      if (usecase.equals("List")) {
+        keyChoice.removeAll();
+      }
+      keyChoice.setEnabled(!usecase.equals("List"));
+      getKeysButton.setEnabled(!usecase.equals("List"));
+    }
+  }
+
+  private void close() {
+    try {
+      if (connector != null) {
+        connector.close();
+        connector = null;
+        vm.detach();
+      }
+    } catch (Exception exception) {
+      //Do nothing
+    }
+  }
+
+  private void connect() {
+    try {
+      close();
+      if (!validateHostPort()) {
+        return;
+      }
+      JMXServiceURL url = null;
+      if (localRemote.getSelectedCheckbox().getLabel().equals("Local")) {
+        url = new JMXServiceURL(
+            (vm = VirtualMachine.attach(pid.getSelectedItem())).getAgentProperties()
+                .getProperty("com.sun.management.jmxremote.localConnectorAddress"));
+      } else {
+        url = new JMXServiceURL(
+            "service:jmx:rmi:///jndi/rmi://" + host.getText() + ":" + port.getText() + "/jmxrmi");
+      }
+      Map<String, String[]> env = new HashMap<>();
+      String[] credentials = {user.getText(), password.getText()};
+      env.put(JMXConnector.CREDENTIALS, credentials);
+      connector = JMXConnectorFactory.connect(url, env);
+      MBeanServerConnection mbsc = connector.getMBeanServerConnection();
+      ObjectName mbeanName = new ObjectName("org.openecomp.jmx:name=SystemConfig");
+      manager = JMX.newMBeanProxy(mbsc, mbeanName, ConfigurationManager.class, true);
+      message("Message", "Success!!!");
+      populateTenants(manager.getTenants());
+      populateNamespaces(manager.getNamespaces());
+    } catch (Exception exception) {
+      message("Error", exception.getMessage());
+    }
+  }
+
+  private boolean validateHostPort() {
+    if (localRemote.getSelectedCheckbox().getLabel().equals("Local")) {
+      if (pid.getSelectedItem() == null || pid.getSelectedItem().trim().length() == 0
+          || !pid.getSelectedItem().matches("^[1-9][0-9]*$")) {
+        message("Error", "pid is mandatory numeric value greater than 0.");
+        return false;
+      }
+    } else {
+      if (host.getText() == null || host.getText().trim().length() == 0) {
+        message("Error", "Host is mandatory.");
+        return false;
+      }
+      if (port.getText() == null || port.getText().trim().length() == 0
+          || !port.getText().matches("^[1-9][0-9]*$")) {
+        message("Error", "Port is mandatory numeric value greater than 0.");
+        return false;
+      }
+    }
+    return true;
+  }
+
+  private void populateTenants(Collection<String> collection) {
+    tenantChoice.removeAll();
+    for (String item : collection) {
+      tenantChoice.add(item);
+    }
+  }
+
+  private void populateNamespaces(Collection<String> collection) {
+    namespaceChoice.removeAll();
+    keyChoice.removeAll();
+    for (String item : collection) {
+      namespaceChoice.add(item);
+    }
+  }
+
+  private void populateKeys(Collection<String> collection) {
+    keyChoice.removeAll();
+    for (String item : collection) {
+      keyChoice.add(item);
+    }
+  }
+
+  private void message(String title, String text) {
+    Dialog dialog = new Dialog(container, title, true);
+    dialog.setLayout(new BorderLayout());
+    dialog.add(new Label(text), BorderLayout.CENTER);
+    Button ok = new Button("OK");
+    Panel panel = new Panel();
+    panel.setLayout(new GridLayout(1, 3));
+    panel.add(new Label());
+    panel.add(ok);
+    panel.add(new Label());
+    ok.addActionListener((actionListener) -> dialog.setVisible(false));
+    dialog.add(panel, BorderLayout.SOUTH);
+    dialog.pack();
+    centerDialog(dialog);
+    dialog.setVisible(true);
+  }
+
+  private void centreWindow(Frame frame) {
+    Dimension dimension = Toolkit.getDefaultToolkit().getScreenSize();
+    int x1 = (int) ((dimension.getWidth() - frame.getWidth()) / 2);
+    int y1 = (int) ((dimension.getHeight() - frame.getHeight()) / 2);
+    frame.setLocation(x1, y1);
+  }
+
+  private void centerDialog(Dialog dialog) {
+    Dimension dimension = container.getSize();
+    container.getLocationOnScreen();
+    int x1 =
+        container.getLocationOnScreen().x + (int) ((dimension.getWidth() - dialog.getWidth()) / 2);
+    int y1 = container.getLocationOnScreen().y
+        + (int) ((dimension.getHeight() - dialog.getHeight()) / 2);
+    dialog.setLocation(x1, y1);
+  }
+
+  private void setWindowPosition(Frame window, int screen) {
+    GraphicsEnvironment env = GraphicsEnvironment.getLocalGraphicsEnvironment();
+    GraphicsDevice[] allDevices = env.getScreenDevices();
+    int topLeftX;
+    int topLeftY;
+    int screenX;
+    int screenY;
+    int windowPosX;
+    int windowPosY;
+
+    if (screen < allDevices.length && screen > -1) {
+      topLeftX = allDevices[screen].getDefaultConfiguration().getBounds().x;
+      topLeftY = allDevices[screen].getDefaultConfiguration().getBounds().y;
+
+      screenX = allDevices[screen].getDefaultConfiguration().getBounds().width;
+      screenY = allDevices[screen].getDefaultConfiguration().getBounds().height;
+    } else {
+      topLeftX = allDevices[0].getDefaultConfiguration().getBounds().x;
+      topLeftY = allDevices[0].getDefaultConfiguration().getBounds().y;
+
+      screenX = allDevices[0].getDefaultConfiguration().getBounds().width;
+      screenY = allDevices[0].getDefaultConfiguration().getBounds().height;
+    }
+
+    windowPosX = ((screenX - window.getWidth()) / 2) + topLeftX;
+    windowPosY = ((screenY - window.getHeight()) / 2) + topLeftY;
+
+    window.setLocation(windowPosX, windowPosY);
+  }
+
+  private void populateAvailablePids() {
+    pid.removeAll();
+    for (VirtualMachineDescriptor desc : VirtualMachine.list()) {
+      try {
+        VirtualMachine vm = null;
+        JMXServiceURL url = new JMXServiceURL(
+            (vm = VirtualMachine.attach(desc.id())).getAgentProperties()
+                .getProperty("com.sun.management.jmxremote.localConnectorAddress"));
+        Set set = JMXConnectorFactory.connect(url, null).getMBeanServerConnection()
+            .queryMBeans(new ObjectName("org.openecomp.jmx:name=SystemConfig"), null);
+        if (!set.isEmpty()) {
+          pid.add(desc.id());
+        }
+        vm.detach();
+      } catch (Exception exception) {
+        //do nothing
+      }
+    }
+  }
+}