X-Git-Url: https://git.gag.com/?p=debian%2Fopenrocket;a=blobdiff_plain;f=core%2Fsrc%2Fnet%2Fsf%2Fopenrocket%2Funit%2FFixedUnitGroup.java;fp=core%2Fsrc%2Fnet%2Fsf%2Fopenrocket%2Funit%2FFixedUnitGroup.java;h=8cb6fde494dc2ac4668022eaa1f4bd8b901a0637;hp=0000000000000000000000000000000000000000;hb=9349577cdfdff682b2aabd6daa24fdc3a7449b58;hpb=30ba0a882f0c061176ba14dbf86d3d6fad096c02

diff --git a/core/src/net/sf/openrocket/unit/FixedUnitGroup.java b/core/src/net/sf/openrocket/unit/FixedUnitGroup.java
new file mode 100644
index 00000000..8cb6fde4
--- /dev/null
+++ b/core/src/net/sf/openrocket/unit/FixedUnitGroup.java
@@ -0,0 +1,35 @@
+package net.sf.openrocket.unit;
+
+/*
+ * This class provides a 'dumb' version of UnitGroup
+ * It allows any arbitrary unit to be created. It doesn't store any value and can't be converted into anything else.
+ * This is useful for custom expression units.
+ * 
+ * @author Richard Graham
+ */
+
+public class FixedUnitGroup extends UnitGroup {
+	
+	String unitString;
+	
+	public FixedUnitGroup( String unitString ){
+		this.unitString = unitString; 
+	}
+	
+	public int getUnitCount(){
+		return 1;
+	}
+	
+	public Unit getDefaultUnit(){
+		return new GeneralUnit(1, unitString);
+	}
+	
+	public Unit getSIUnit(){
+		return new GeneralUnit(1, unitString);
+	}
+	
+	public boolean contains(Unit u){
+		return true;
+	}
+	
+}