AmountSet.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2011 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.model;
 
import java.util.Iterator;
import java.util.TreeSet;
 
public class AmountSet extends TreeSet<Amount> {
 
  @Override
  public boolean add(Amount e) {
    e.setAmountSet(this);
    return super.add(e);
  }
 
  public void addAmount(Amount e) {
    Amount a = getAmount(e.getTax());
    if(a == null) {
      add(e);
    } else {
      a.addTax(e.getTax(), e.getSubtotal(), e.getDiscount(), e.getRetained());
    }
  }
  
  public double getTaxable() {
    double amount = 0;
    for(Amount a : this) {
      amount += a.getTaxable();
    }
    return amount;
  }
 
  public double getTaxValue() {
    double amount = 0;
    for(Amount a : this) {
      amount += a.getTaxValue();
    }
    return amount;
  }
 
  public Amount getAmount(Double tax) {
    for(Amount a : this) {
      if(a.getTax().equals(tax)) {
        return a;
      }
    }
    return null;
  }
 
  public double getAmount() {
    double amount = 0;
    for(Amount a : this) {
      amount += a.getAmount();
    }
    return amount;
  }
 
  public void clearEmpty() {
    Iterator<Amount> it = iterator();
    while(it.hasNext()) {
      if(it.next().isEmpty()) {
        it.remove();
      }
    }
  }
 
}