#13 - Added some "protection" to the Array.asList usages.

Author: bytekeeper

src/main/java/bwapi/TechType.java

@@ -1,6 +1,7 @@
 package bwapi;
 
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 
 import static bwapi.Order.*;
@@ -223,7 +224,7 @@ public boolean targetsPosition() {
     }
 
     public List<UnitType> whatsUses() {
-        return Arrays.asList(techWhatUses[id]);
+        return Collections.unmodifiableList(Arrays.asList(techWhatUses[id]));
     }
 
     public Order getOrder() {

src/main/java/bwapi/UnitType.java

@@ -305,11 +305,11 @@ public TechType cloakingTech() {
     }
 
     public List<TechType> abilities() {
-        return Arrays.asList(UnitTypeContainer.unitTechs[id]);
+        return Collections.unmodifiableList(Arrays.asList(UnitTypeContainer.unitTechs[id]));
     }
 
     public List<UpgradeType> upgrades() {
-        return Arrays.asList(UnitTypeContainer.upgrades[id]);
+        return Collections.unmodifiableList(Arrays.asList(UnitTypeContainer.upgrades[id]));
     }
 
     public UpgradeType armorUpgrade() {
@@ -644,15 +644,15 @@ public boolean canBuildAddon() {
     }
 
     public List<UnitType> buildsWhat() {
-        return Arrays.asList(UnitTypeContainer.buildsWhat[id]);
+        return Collections.unmodifiableList(Arrays.asList(UnitTypeContainer.buildsWhat[id]));
     }
 
     public List<TechType> researchesWhat() {
-        return Arrays.asList(UnitTypeContainer.researchesWhat[id]);
+        return Collections.unmodifiableList(Arrays.asList(UnitTypeContainer.researchesWhat[id]));
     }
 
     public List<UpgradeType> upgradesWhat() {
-        return Arrays.asList(UnitTypeContainer.upgradesWhat[id]);
+        return Collections.unmodifiableList(Arrays.asList(UnitTypeContainer.upgradesWhat[id]));
     }
 
     public boolean isSuccessorOf(final UnitType type) {

src/main/java/bwapi/UpgradeType.java

@@ -1,6 +1,7 @@
 package bwapi;
 
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 
 public enum UpgradeType {
@@ -252,7 +253,7 @@ public UnitType whatUpgrades() {
     }
 
     public List<UnitType> whatUses() {
-        return Arrays.asList(upgradeWhatUses[id]);
+        return Collections.unmodifiableList(Arrays.asList(upgradeWhatUses[id]));
     }
 
     public int maxRepeats() {