Hibernate+struts2+观察者+工厂模式实例项目

package com.verin.action; import java.util.ArrayList; import java.util.Iterator; import java.util.Map; import com.opensymphony.xwork2.ActionContext; import com.opensymphony.xwork2.ActionSupport; import com.verin.ChaffyDish.CQChaffyDish; import com.verin.ChaffyDish.ChaffyDish; import com.verin.ChaffyDish.Ingredient; import com.verin.ChaffyDish.NorthChaffyDish; import com.verin.ingredient.options.beef; import com.verin.ingredient.options.bun; import com.verin.ingredient.options.cabbage; import com.verin.ingredient.options.celery; import com.verin.ingredient.options.fish; import com.verin.ingredient.options.gpapper; import com.verin.ingredient.options.mutton; import com.verin.ingredient.options.pig; import com.verin.ingredient.options.rice; //处理订单的Action public class OrderAction extends ActionSupport{ /** * */ private static final long serialVersionUID = 1L; //原料集合，用于获取用户的选择的原料 public ArrayList<String> ingredients; //口味，用于获取用户选择的口味 public String taste; //定义 火锅底料变量 public ChaffyDish cd; @Override public String execute() throws Exception { /* * 对口味进行判断，并决定生成怎样的火锅 */ if("1".equals(taste)){ System.out.println("选择了重庆火锅"); cd=new CQChaffyDish(); cd.Cook(); }else{ System.out.println("选择了北方风味火锅"); cd=new NorthChaffyDish(); cd.Cook(); } /* * 为火锅添加原料，再计算出价格并放到session中传回页面 */ System.out.println("你点了下列配料："); cd=this.addIngredient(cd, ingredients); System.out.println("你的花费是：$"); System.out.println(cd.cost()); Map map=ActionContext.getContext().getSession(); map.put("orderInfo", cd.getInfo()); map.put("cost", cd.cost()); return SUCCESS; } /* * 一系列get,set方法 */ public String getTaste() { return taste; } public void setTaste(String taste) { this.taste = taste; } public ArrayList<String> getIngredients() { return ingredients; } public void setIngredients(ArrayList<String> ingredients) { this.ingredients = ingredients; } //为火锅添加原料的方法 public ChaffyDish addIngredient(ChaffyDish cd,ArrayList<String> ingredients){ /* * 将用户选择原料集合遍历出来 */ Iterator<String> it=ingredients.iterator(); /* * 对每个原料进行判断，是否用户已选择，如果选择，则为火锅 加入此种配料 */ while(it.hasNext()){ String ingredient=it.next(); for(int i=0;i<9;i++){ if((Ingredient.ingredientNames[i].compareTo(ingredient))==0) { System.out.println(Ingredient.ingredientNames[i]); //通过switch进行判断 switch(i){ case 0: cd=new beef(cd); break; case 1: cd=new pig(cd); break; case 2: cd=new mutton(cd); break; case 3: cd=new fish(cd); break; case 4: cd=new cabbage(cd); break; case 5: cd=new gpapper(cd); break; case 6: cd=new celery(cd); break; case 7: cd=new rice(cd); break; case 8: cd=new bun(cd); break; } } } } return cd; } }