Secured standardComponentIDs against accidental modifications

[Mograsim.git] / net.mograsim.logic.model / src / net / mograsim / logic / model / serializing / IndirectGUIComponentCreator.java

diff --git a/net.mograsim.logic.model/src/net/mograsim/logic/model/serializing/IndirectGUIComponentCreator.java b/net.mograsim.logic.model/src/net/mograsim/logic/model/serializing/IndirectGUIComponentCreator.java
index 23f8bcb..6513f3d 100644 (file)
--- a/net.mograsim.logic.model/src/net/mograsim/logic/model/serializing/IndirectGUIComponentCreator.java
+++ b/net.mograsim.logic.model/src/net/mograsim/logic/model/serializing/IndirectGUIComponentCreator.java
@@ -4,8 +4,10 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.UncheckedIOException;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Set;
 
 import com.google.gson.JsonElement;
 import com.google.gson.JsonNull;
@@ -18,6 +20,7 @@ import net.mograsim.logic.model.util.JsonHandler;
 public class IndirectGUIComponentCreator
 {
        private static final Map<String, String> standardComponentIDs = new HashMap<>();
+       private static final Set<String> standardComponentIDSetUnmodifiable = Collections.unmodifiableSet(standardComponentIDs.keySet());
 
        private static final Map<String, ComponentSupplier> componentSuppliers = new HashMap<>();
 
@@ -56,7 +59,7 @@ public class IndirectGUIComponentCreator
 
        public static Collection<String> getStandardComponentIDs()
        {
-               return standardComponentIDs.keySet();
+               return standardComponentIDSetUnmodifiable;
        }
 
        public static void setComponentSupplier(String className, ComponentSupplier componentSupplier)