content: /**
   *  Licensed to the Apache Software Foundation (ASF) under one or more
   *  contributor license agreements.  See the NOTICE file distributed with
   *  this work for additional information regarding copyright ownership.
   *  The ASF licenses this file to You under the Apache License, Version 2.0
   *  (the "License"); you may not use this file except in compliance with
   *  the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   */
  package org.apache.aries.samples.ariestrader.util;
  
  import java.math.BigDecimal;
  
  public class FinancialUtils {
      //TODO -- FinancialUtils should have parts reimplemented as JSPTaglibs 
  
      public final static int ROUND = BigDecimal.ROUND_HALF_UP;
      public final static int SCALE = 2;  
      public final static BigDecimal ZERO = (new BigDecimal(0.00)).setScale(SCALE);
      public final static BigDecimal ONE = (new BigDecimal(1.00)).setScale(SCALE);
      public final static BigDecimal HUNDRED = (new BigDecimal(100.00)).setScale(SCALE);
  
      public static BigDecimal computeGain(BigDecimal currentBalance,
                                           BigDecimal openBalance) 
      {
          return currentBalance.subtract(openBalance).setScale(SCALE);
      }
  
      public static BigDecimal computeGainPercent(BigDecimal currentBalance,
                                                  BigDecimal openBalance) 
      {
          if (openBalance.doubleValue() == 0.0) return ZERO;
          BigDecimal gainPercent =
          currentBalance.divide(openBalance, ROUND).subtract(ONE).multiply(HUNDRED);
          return gainPercent;
      }
  
      public static String printGainHTML(BigDecimal gain) {
          String htmlString, arrow;
          if (gain.doubleValue() < 0.0) {
              htmlString = "<FONT color=\"#ff0000\">";
              arrow = "arrowdown.gif";
          }
          else {
              htmlString = "<FONT color=\"#009900\">";
              arrow = "arrowup.gif";          
          }
  
          htmlString += gain.setScale(SCALE, ROUND) + "</FONT><IMG src=\"images/" + arrow + "\" width=\"10\" height=\"10\" border=\"0\"></IMG>";
          return htmlString;
      }
  
      public static String printChangeHTML(double change) {
          String htmlString, arrow;
          if (change < 0.0) {
              htmlString = "<FONT color=\"#ff0000\">";
              arrow = "arrowdown.gif";                        
          }
          else {
              htmlString = "<FONT color=\"#009900\">";
              arrow = "arrowup.gif";                      
          }
  
  
          htmlString += change + "</FONT><IMG src=\"images/" + arrow + "\" width=\"10\" height=\"10\" border=\"0\"></IMG>";
          return htmlString;
      }
  
      public static String printGainPercentHTML(BigDecimal gain) {
          String htmlString, arrow;
          if (gain.doubleValue() < 0.0) {
              htmlString = "(<B><FONT color=\"#ff0000\">";
              arrow = "arrowdown.gif";                                    
          }
          else {
              htmlString = "(<B><FONT color=\"#009900\">+";
              arrow = "arrowup.gif";                                  
          }
  
          htmlString += gain.setScale(SCALE, ROUND);
          htmlString += "%</FONT></B>)<IMG src=\"images/" + arrow + "\" width=\"10\" height=\"10\" border=\"0\"></IMG>";
          return htmlString;
      }
  
      public static String printQuoteLink(String symbol)  
      {
          return "<A href=\"app?action=quotes&symbols="+ symbol+"\">" + symbol + "</A>";
      }
  
  
  }