Now with a 22-recipe survey_dataset.xml.

Unit test shows an example of checking that Honey cake contains gluten, eggs and spice but not red meat, shellfish or poultry.

src/net/woodyfolsom/cs6601/p2/Ingredient.java

@@ -4,9 +4,30 @@ import com.thoughtworks.xstream.annotations.XStreamAlias;
 
 @XStreamAlias("ing")
 public class Ingredient {
+	public enum TYPE { ALCOHOL, DAIRY, EGGS, FISH, GLUTEN, GRAIN, NUTS, PORK, POULTRY, RED_MEAT, SHELLFISH, SPICE, SUGAR}
+	
 	private String item;
 	
 	public String getItem() {
 		return item;
 	}
+	
+	public boolean isType(TYPE type) {
+		switch (type) {
+			case DAIRY :
+				return item.contains("margarine");
+			case EGGS :
+				return item.equals("egg") || item.equals("eggs");
+			case GLUTEN :
+				return item.contains("flour");
+			case RED_MEAT :
+				return item.contains("beef");
+			case SPICE :
+				return item.endsWith("cinnamon") || item.endsWith("nutmeg") || item.endsWith("cloves");
+			case SUGAR :
+				return item.endsWith("sugar");
+			default : //unknown ingredient, e.g. coffee, bananas, honey
+				return false;
+		}
+	}
 }