/*

  * 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;

     }

 }