CartTaxableSet.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2016 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package org.turro.financials.cart;
 
import java.util.Iterator;
import java.util.TreeSet;
 
public class CartTaxableSet extends TreeSet<CartTaxable> {
 
  public boolean add(Double perCent, Double tax, Double taxValue, Double subtotal, Double taxable) {
    CartTaxable at = getPercent(perCent, tax);
    at.add(taxValue, subtotal, taxable);
    return super.add(at);
  }
 
  public CartTaxable getPercent(Double perCent, Double tax) {
    for(CartTaxable at : this) {
      if(at.isPerCent(perCent)) {
        return at;
      }
    }
    return new CartTaxable(perCent, tax);
  }
  
  public double getTaxable() {
    double amount = 0;
    for(CartTaxable a : this) {
      amount += a.getTaxable();
    }
    return amount;
  }
 
  public double getTaxAmount() {
    double amount = 0;
    for(CartTaxable a : this) {
      amount += a.getTaxAmount();
    }
    return amount;
  }
 
  public double getTotal() {
    double amount = 0;
    for(CartTaxable a : this) {
      amount += a.getTotal();
    }
    return amount;
  }
 
  public void clearEmpty() {
    Iterator<CartTaxable> it = iterator();
    while(it.hasNext()) {
      if(it.next().isEmpty()) {
        it.remove();
      }
    }
  }
 
}