/*
    * 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.myfaces.taglib.core;
  
  import org.apache.myfaces.shared.taglib.UIComponentELTagUtils;
  import org.apache.myfaces.shared.util.LocaleUtils;
  
  import javax.el.ELContext;
  import javax.el.ValueExpression;
  import javax.faces.context.FacesContext;
  import javax.faces.convert.Converter;
  import javax.faces.convert.NumberConverter;
  import javax.servlet.jsp.JspException;
  import javax.servlet.jsp.PageContext;
  import java.util.Locale;
  
  /**
   * @author Manfred Geiler (latest modification by $Author$)
   * @version $Revision$ $Date$
   */
  public class ConvertNumberTag extends ConverterTag
  {
      private static final long serialVersionUID = -8365745569697171573L;
      private ValueExpression _currencyCode = null;
      private ValueExpression _currencySymbol = null;
      private ValueExpression _groupingUsed = null;
      private ValueExpression _integerOnly = null;
      private ValueExpression _locale = null;
      private ValueExpression _maxFractionDigits = null;
      private ValueExpression _maxIntegerDigits = null;
      private ValueExpression _minFractionDigits = null;
      private ValueExpression _minIntegerDigits = null;
      private ValueExpression _pattern = null;
      private ValueExpression _type = null;
  
      public ConvertNumberTag()
      {
          setConverterIdString(NumberConverter.CONVERTER_ID);
      }
  
      public void setCurrencyCode(ValueExpression currencyCode)
      {
          _currencyCode = currencyCode;
      }
  
      public void setCurrencySymbol(ValueExpression currencySymbol)
      {
          _currencySymbol = currencySymbol;
      }
  
      public void setGroupingUsed(ValueExpression groupingUsed)
      {
          _groupingUsed = groupingUsed;
      }
  
      public void setIntegerOnly(ValueExpression integerOnly)
      {
          _integerOnly = integerOnly;
      }
  
      public void setLocale(ValueExpression locale)
      {
          _locale = locale;
      }
  
      public void setMaxFractionDigits(ValueExpression maxFractionDigits)
      {
          _maxFractionDigits = maxFractionDigits;
      }
  
      public void setMaxIntegerDigits(ValueExpression maxIntegerDigits)
      {
          _maxIntegerDigits = maxIntegerDigits;
      }
  
      public void setMinFractionDigits(ValueExpression minFractionDigits)
      {
          _minFractionDigits = minFractionDigits;
      }
  
      public void setMinIntegerDigits(ValueExpression minIntegerDigits)
      {
          _minIntegerDigits = minIntegerDigits;
     }
 
     public void setPattern(ValueExpression pattern)
     {
         _pattern = pattern;
     }
 
     public void setType(ValueExpression type)
     {
         _type = type;
     }
 
     @Override
     public void setPageContext(PageContext context)
     {
         super.setPageContext(context);
         setConverterIdString(NumberConverter.CONVERTER_ID);
     }
 
     @Override
     protected Converter createConverter() throws JspException
     {
         NumberConverter converter = (NumberConverter)super.createConverter();
         ELContext elContext = FacesContext.getCurrentInstance().getELContext();
         if (null != _currencyCode)
         {
             converter.setCurrencyCode((String)UIComponentELTagUtils.evaluateValueExpression(elContext, _currencyCode));
         }
         if (null != _currencySymbol)
         {
             converter.setCurrencySymbol((String)UIComponentELTagUtils.evaluateValueExpression(elContext,
                 _currencySymbol));
         }
         if (null != _groupingUsed)
         {
             converter.setGroupingUsed(UIComponentELTagUtils.getBooleanValue(elContext, _groupingUsed));
         }
         else
         {
             converter.setGroupingUsed(true);
         }
         if (null != _integerOnly)
         {
             converter.setIntegerOnly(UIComponentELTagUtils.getBooleanValue(elContext, _integerOnly));
         }
         else
         {
             converter.setIntegerOnly(false);
         }
         if (null != _locale)
         {
             Locale locale;
             if (_locale.isLiteralText())
             {
                 locale = LocaleUtils.toLocale(_locale.getExpressionString());
             }
             else
             {
                 Object localeValue = _locale.getValue(elContext);
                 if (localeValue instanceof Locale)
                 {
                     locale = (Locale)localeValue;
                 }
                 else
                 {
                     locale = LocaleUtils.toLocale(localeValue.toString());
                 }
                 if (null == locale)
                 {
                     locale = FacesContext.getCurrentInstance().getViewRoot().getLocale();
                 }
             }
             converter.setLocale(locale);
         }
         if (null != _maxFractionDigits)
         {
             converter.setMaxFractionDigits(UIComponentELTagUtils.getIntegerValue(elContext, _maxFractionDigits));
         }
         if (null != _maxIntegerDigits)
         {
             converter.setMaxIntegerDigits(UIComponentELTagUtils.getIntegerValue(elContext, _maxIntegerDigits));
         }
         if (null != _minFractionDigits)
         {
             converter.setMinFractionDigits(UIComponentELTagUtils.getIntegerValue(elContext, _minFractionDigits));
         }
         if (null != _minIntegerDigits)
         {
             converter.setMinIntegerDigits(UIComponentELTagUtils.getIntegerValue(elContext, _minIntegerDigits));
         }
         if (null != _pattern)
         {
             converter.setPattern((String)UIComponentELTagUtils.evaluateValueExpression(elContext, _pattern));
         }
         if (null != _type)
         {
             converter.setType((String)UIComponentELTagUtils.evaluateValueExpression(elContext, _type));
         }
         else
         {
             converter.setType("number");
         }
         return converter;
     }
 }