[New] Added ComponentContainer.getRealmNames()

Now it is possible to iterate over the configured realms. This is used
in the li.strolch.rest project to build an inspector of the agent

src/main/java/li/strolch/agent/api/ComponentContainer.java

@@ -15,6 +15,8 @@
  */
 package li.strolch.agent.api;
 
+import java.util.Set;
+
 import li.strolch.agent.impl.DataStoreMode;
 import li.strolch.agent.impl.StrolchRealm;
 
@@ -26,14 +28,17 @@ public interface ComponentContainer {
 	public abstract StrolchAgent getAgent();
 
 	public abstract ComponentState getState();
-	
+
 	public abstract DataStoreMode getDataStoreMode();
 
 	public abstract boolean hasComponent(Class<?> clazz);
 
 	public abstract <T> T getComponent(Class<T> clazz);
 
+	public abstract Set<String> getRealmNames();
+
 	public abstract StrolchRealm getDefaultRealm();
 
 	public abstract StrolchRealm getRealm(String realm);
+
 }

src/main/java/li/strolch/agent/api/ElementMapHandler.java

@@ -15,6 +15,8 @@
  */
 package li.strolch.agent.api;
 
+import java.util.Set;
+
 import li.strolch.agent.impl.StrolchRealm;
 
 /**
@@ -22,8 +24,9 @@ import li.strolch.agent.impl.StrolchRealm;
  */
 public interface ElementMapHandler {
 
+	public Set<String> getRealmNames();
+
 	public StrolchRealm getDefaultRealm();
 
 	public StrolchRealm getRealm(String realm);
-
 }

src/main/java/li/strolch/agent/impl/AbstractElementMapHandler.java

@@ -16,7 +16,9 @@
 package li.strolch.agent.impl;
 
 import java.text.MessageFormat;
+import java.util.HashSet;
 import java.util.Map;
+import java.util.Set;
 
 import li.strolch.agent.api.ElementMapHandler;
 import li.strolch.agent.api.StrolchComponent;
@@ -38,6 +40,11 @@ public abstract class AbstractElementMapHandler extends StrolchComponent impleme
 		super(container, componentName);
 	}
 
+	@Override
+	public Set<String> getRealmNames() {
+		return new HashSet<>(realms.keySet());
+	}
+
 	@Override
 	public StrolchRealm getDefaultRealm() {
 		return getRealm(StrolchConstants.DEFAULT_REALM);

src/main/java/li/strolch/agent/impl/ComponentContainerImpl.java

@@ -85,6 +85,11 @@ public class ComponentContainerImpl implements ComponentContainer {
 		return component;
 	}
 
+	@Override
+	public Set<String> getRealmNames() {
+		return getComponent(ElementMapHandler.class).getRealmNames();
+	}
+
 	@Override
 	public StrolchRealm getDefaultRealm() {
 		return getRealm(StrolchConstants.DEFAULT_REALM);