RESTWS-760: Order resource does not include drug strength

Author: IamMujuziMoses

omod/src/main/java/org/openmrs/module/webservices/rest/web/v1_0/resource/openmrs1_10/DrugOrderSubclassHandler1_10.java

@@ -13,6 +13,7 @@
 
 import org.apache.commons.lang.StringUtils;
 import org.openmrs.CareSetting;
+import org.openmrs.Drug;
 import org.openmrs.DrugOrder;
 import org.openmrs.Order;
 import org.openmrs.OrderType;
@@ -202,4 +203,16 @@ public static String getDisplay(DrugOrder delegate) {
 
 		return ret.toString();
 	}
+
+	@PropertyGetter("strength")
+	public String getStrength(DrugOrder delegate) {
+		StringBuilder ret = new StringBuilder();
+		if (delegate.getDrug() != null) {
+			Drug drug = delegate.getDrug();
+			ret.append(drug.getStrength() != null ? drug.getStrength() : "[no strength]");
+		} else {
+			ret.append("[no strength]");
+		}
+		return ret.toString();
+	}
 }