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/IngredientDivision.java

@@ -0,0 +1,33 @@
+package net.woodyfolsom.cs6601.p2;
+
+import java.util.List;
+
+import com.thoughtworks.xstream.annotations.XStreamAlias;
+import com.thoughtworks.xstream.annotations.XStreamImplicit;
+
+@XStreamAlias("ing-div")
+public class IngredientDivision {
+	@XStreamImplicit
+	private List<Ingredient> ingredients;
+	private String title;
+	
+	public boolean contains(Ingredient.TYPE ingredientType) {
+		for (Ingredient ingredient : ingredients) {
+			if (ingredient.isType(ingredientType)) {
+				return true;
+			}
+		}
+		return false;
+	}
+	public Ingredient getIngredient(int index) {
+		return ingredients.get(index);
+	}
+	
+	public int getIngredientsSize() {
+		return ingredients.size();
+	}
+	
+	public String getTitle() {
+		return title;
+	}
+}