Coverage Report

Coverage Report - javax.faces.convert.NumberConverter

Classes in this File

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0/123

 /*
  * 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 javax.faces.convert;
 
 import java.text.DecimalFormat;
 import java.text.DecimalFormatSymbols;
 import java.text.NumberFormat;
 import java.text.ParseException;
 import java.util.Currency;
 import java.util.Locale;
 
 import javax.faces.component.StateHolder;
 import javax.faces.component.UIComponent;
 import javax.faces.context.FacesContext;
 
 import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFConverter;
 import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFJspProperty;
 import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFProperty;
 
 /**
  * This tag creates a number formatting converter and associates it
  * with the nearest parent UIComponent.
  * 
  * Unless otherwise specified, all attributes accept static values or EL expressions.
  * 
  * see Javadoc of <a href="http://java.sun.com/javaee/javaserverfaces/1.2/docs/api/index.html">JSF Specification</a>
  *
  * @author Thomas Spiegl (latest modification by $Author: lu4242 $)
  * @version $Revision: 693358 $ $Date: 2008-09-08 22:54:29 -0500 (Mon, 08 Sep 2008) $
  */
 @JSFConverter(
     name="f:convertNumber",
     bodyContent="empty",
     tagClass="org.apache.myfaces.taglib.core.ConvertNumberTag")
 @JSFJspProperty(
     name="binding", 
     returnType = "javax.faces.convert.NumberConverter",
     longDesc = "A ValueExpression that evaluates to a NumberConverter.")
 public class NumberConverter
         implements Converter, StateHolder
 {
     // API FIELDS
     public static final String CONVERTER_ID = "javax.faces.Number";
     public static final String STRING_ID = "javax.faces.converter.STRING";
     public static final String CURRENCY_ID = "javax.faces.converter.NumberConverter.CURRENCY";
     public static final String NUMBER_ID = "javax.faces.converter.NumberConverter.NUMBER";
     public static final String PATTERN_ID = "javax.faces.converter.NumberConverter.PATTERN";
     public static final String PERCENT_ID = "javax.faces.converter.NumberConverter.PERCENT";
 
     private static final boolean JAVA_VERSION_14;
 
     static
     {
         JAVA_VERSION_14 = checkJavaVersion14();
     }
 
     private String _currencyCode;
     private String _currencySymbol;
     private Locale _locale;
     private int _maxFractionDigits;
     private int _maxIntegerDigits;
     private int _minFractionDigits;
     private int _minIntegerDigits;
     private String _pattern;
     private String _type = "number";
     private boolean _groupingUsed = true;
     private boolean _integerOnly = false;
     private boolean _transient;
 
     private boolean _maxFractionDigitsSet;
     private boolean _maxIntegerDigitsSet;
     private boolean _minFractionDigitsSet;
     private boolean _minIntegerDigitsSet;
 
 
     // CONSTRUCTORS
     public NumberConverter()
     {
     }
 
     // METHODS
     public Object getAsObject(FacesContext facesContext, UIComponent uiComponent, String value)
     {
         if (facesContext == null) throw new NullPointerException("facesContext");
         if (uiComponent == null) throw new NullPointerException("uiComponent");
 
         if (value != null)
         {
             value = value.trim();
             if (value.length() > 0)
             {
                 NumberFormat format = getNumberFormat(facesContext);
                 format.setParseIntegerOnly(_integerOnly);
                 
                 DecimalFormat df = (DecimalFormat)format;
                 //df.setParseBigDecimal(true);
                 DecimalFormatSymbols dfs = df.getDecimalFormatSymbols();
                 boolean changed = false;
                 if(dfs.getGroupingSeparator() == '\u00a0')
                 {
                   dfs.setGroupingSeparator(' ');
                   df.setDecimalFormatSymbols(dfs);
                   changed = true;
                 }
                 try
                 {
                     return format.parse(value);
                 }
                 catch (ParseException e)
                 {
                   if(changed)
                   {
                     dfs.setGroupingSeparator('\u00a0');
                     df.setDecimalFormatSymbols(dfs);
                   }
                   try
                   {
                     return format.parse(value);
                   }
                   catch (ParseException pe)
                   {
 
                     if(getPattern() != null)
                         throw new ConverterException(_MessageUtils.getErrorMessage(facesContext,
                                                                                     PATTERN_ID,
                                                                                     new Object[]{value,"$###,###",_MessageUtils.getLabel(facesContext, uiComponent)}));
                     else if(getType().equals("number"))
                         throw new ConverterException(_MessageUtils.getErrorMessage(facesContext,
                                                                                     NUMBER_ID,
                                                                                     new Object[]{value,"21",_MessageUtils.getLabel(facesContext, uiComponent)}));
                     else if(getType().equals("currency"))
                         throw new ConverterException(_MessageUtils.getErrorMessage(facesContext,
                                                                                     CURRENCY_ID,
                                                                                     new Object[]{value,"42.25",_MessageUtils.getLabel(facesContext, uiComponent)}));
                     else if(getType().equals("percent"))
                         throw new ConverterException(_MessageUtils.getErrorMessage(facesContext,
                                                                                     PERCENT_ID,
                                                                                     new Object[]{value,".90",_MessageUtils.getLabel(facesContext, uiComponent)}));
                   }
                 }
             }
         }
         return null;
     }
 
     public String getAsString(FacesContext facesContext, UIComponent uiComponent, Object value)
     {
         if (facesContext == null) throw new NullPointerException("facesContext");
         if (uiComponent == null) throw new NullPointerException("uiComponent");
 
         if (value == null)
         {
             return "";
         }
         if (value instanceof String)
         {
             return (String)value;
         }
 
         NumberFormat format = getNumberFormat(facesContext);
         format.setGroupingUsed(_groupingUsed);
         if (_maxFractionDigitsSet) format.setMaximumFractionDigits(_maxFractionDigits);
         if (_maxIntegerDigitsSet) format.setMaximumIntegerDigits(_maxIntegerDigits);
         if (_minFractionDigitsSet) format.setMinimumFractionDigits(_minFractionDigits);
         if (_minIntegerDigitsSet) format.setMinimumIntegerDigits(_minIntegerDigits);
         formatCurrency(format);
         try
         {
             return format.format(value);
         }
         catch (Exception e)
         {
             throw new ConverterException(_MessageUtils.getErrorMessage(facesContext, STRING_ID, new Object[]{value,_MessageUtils.getLabel(facesContext, uiComponent)}),e);
         }
     }
 
     private NumberFormat getNumberFormat(FacesContext facesContext)
     {
         Locale locale = _locale != null ? _locale : facesContext.getViewRoot().getLocale();
 
         if (_pattern == null && _type == null)
         {
             throw new ConverterException("Cannot get NumberFormat, either type or pattern needed.");
         }
 
         // pattern
         if (_pattern != null)
         {
             return new DecimalFormat(_pattern, new DecimalFormatSymbols(locale));
         }
 
         // type
         if (_type.equals("number"))
         {
             return NumberFormat.getNumberInstance(locale);
         }
         else if (_type.equals("currency"))
         {
             return NumberFormat.getCurrencyInstance(locale);
         }
         else if (_type.equals("percent"))
         {
             return NumberFormat.getPercentInstance(locale);
         }
         throw new ConverterException("Cannot get NumberFormat, illegal type " + _type);
     }
 
     private void formatCurrency(NumberFormat format)
     {
         if (_currencyCode == null && _currencySymbol == null)
         {
             return;
         }
 
         boolean useCurrencyCode;
         if (JAVA_VERSION_14)
         {
             useCurrencyCode = _currencyCode != null;
         }
         else
         {
             useCurrencyCode = _currencySymbol == null;
         }
 
         if (useCurrencyCode)
         {
             // set Currency
             try
             {
                 format.setCurrency(Currency.getInstance(_currencyCode));
             }
             catch (Exception e)
             {
                 throw new ConverterException("Unable to get Currency instance for currencyCode " +
                                              _currencyCode);
             }
         }
         else if (format instanceof DecimalFormat)
 
         {
             DecimalFormat dFormat = (DecimalFormat)format;
             DecimalFormatSymbols symbols = dFormat.getDecimalFormatSymbols();
             symbols.setCurrencySymbol(_currencySymbol);
             dFormat.setDecimalFormatSymbols(symbols);
         }
     }
 
     // STATE SAVE/RESTORE
     public void restoreState(FacesContext facesContext, Object state)
     {
         Object values[] = (Object[])state;
         _currencyCode = (String)values[0];
         _currencySymbol = (String)values[1];
         _locale = (Locale)values[2];
         Integer value = (Integer)values[3];
         _maxFractionDigits = value != null ? value.intValue() : 0;
         value = (Integer)values[4];
         _maxIntegerDigits = value != null ? value.intValue() : 0;
         value = (Integer)values[5];
         _minFractionDigits = value != null ? value.intValue() : 0;
         value = (Integer)values[6];
         _minIntegerDigits = value != null ? value.intValue() : 0;
         _pattern = (String)values[7];
         _type = (String)values[8];
         _groupingUsed = ((Boolean)values[9]).booleanValue();
         _integerOnly = ((Boolean)values[10]).booleanValue();
         _maxFractionDigitsSet = ((Boolean)values[11]).booleanValue();
         _maxIntegerDigitsSet = ((Boolean)values[12]).booleanValue();
         _minFractionDigitsSet = ((Boolean)values[13]).booleanValue();
         _minIntegerDigitsSet = ((Boolean)values[14]).booleanValue();
     }
 
     public Object saveState(FacesContext facesContext)
     {
         Object values[] = new Object[15];
         values[0] = _currencyCode;
         values[1] = _currencySymbol;
         values[2] = _locale;
         values[3] = _maxFractionDigitsSet ? new Integer(_maxFractionDigits) : null;
         values[4] = _maxIntegerDigitsSet ? new Integer(_maxIntegerDigits) : null;
         values[5] = _minFractionDigitsSet ? new Integer(_minFractionDigits) : null;
         values[6] = _minIntegerDigitsSet ? new Integer(_minIntegerDigits) : null;
         values[7] = _pattern;
         values[8] = _type;
         values[9] = _groupingUsed ? Boolean.TRUE : Boolean.FALSE;
         values[10] = _integerOnly ? Boolean.TRUE : Boolean.FALSE;
         values[11] = _maxFractionDigitsSet ? Boolean.TRUE : Boolean.FALSE;
         values[12] = _maxIntegerDigitsSet ? Boolean.TRUE : Boolean.FALSE;
         values[13] = _minFractionDigitsSet ? Boolean.TRUE : Boolean.FALSE;
         values[14] = _minIntegerDigitsSet ? Boolean.TRUE : Boolean.FALSE;
         return values;
     }
 
     // GETTER & SETTER
     
     /**
      * ISO 4217 currency code
      * 
      */
     @JSFProperty
     public String getCurrencyCode()
     {
         return _currencyCode != null ?
                _currencyCode :
                getDecimalFormatSymbols().getInternationalCurrencySymbol();
     }
 
     public void setCurrencyCode(String currencyCode)
     {
         _currencyCode = currencyCode;
     }
 
     /**
      * The currency symbol used to format a currency value.  Defaults
      * to the currency symbol for locale.
      * 
      */
     @JSFProperty
     public String getCurrencySymbol()
     {
         return _currencySymbol != null ?
                _currencySymbol :
                getDecimalFormatSymbols().getCurrencySymbol();
     }
 
     public void setCurrencySymbol(String currencySymbol)
     {
         _currencySymbol = currencySymbol;
     }
 
     /**
      * Specifies whether output will contain grouping separators.  Default: true.
      * 
      */
     @JSFProperty
     public boolean isGroupingUsed()
     {
         return _groupingUsed;
     }
 
     public void setGroupingUsed(boolean groupingUsed)
     {
         _groupingUsed = groupingUsed;
     }
 
     /**
      * Specifies whether only the integer part of the input will be parsed.  Default: false.
      * 
      */
     @JSFProperty
     public boolean isIntegerOnly()
     {
         return _integerOnly;
     }
 
     public void setIntegerOnly(boolean integerOnly)
     {
         _integerOnly = integerOnly;
     }
 
     /**
      * The name of the locale to be used, instead of the default as
      * specified in the faces configuration file.
      * 
      */
     @JSFProperty
     public Locale getLocale()
     {
         if (_locale != null) return _locale;
         FacesContext context = FacesContext.getCurrentInstance();
         return context.getViewRoot().getLocale();
     }
 
     public void setLocale(Locale locale)
     {
         _locale = locale;
     }
 
     /**
      * The maximum number of digits in the fractional portion of the number.
      * 
      */
     @JSFProperty
     public int getMaxFractionDigits()
     {
         return _maxFractionDigits;
     }
 
     public void setMaxFractionDigits(int maxFractionDigits)
     {
         _maxFractionDigitsSet = true;
         _maxFractionDigits = maxFractionDigits;
     }
 
     /**
      * The maximum number of digits in the integer portion of the number.
      * 
      */
     @JSFProperty
     public int getMaxIntegerDigits()
     {
         return _maxIntegerDigits;
     }
 
     public void setMaxIntegerDigits(int maxIntegerDigits)
     {
         _maxIntegerDigitsSet = true;
         _maxIntegerDigits = maxIntegerDigits;
     }
 
     /**
      * The minimum number of digits in the fractional portion of the number.
      * 
      */
     @JSFProperty
     public int getMinFractionDigits()
     {
         return _minFractionDigits;
     }
 
     public void setMinFractionDigits(int minFractionDigits)
     {
         _minFractionDigitsSet = true;
         _minFractionDigits = minFractionDigits;
     }
 
     /**
      * The minimum number of digits in the integer portion of the number.
      * 
      */
     @JSFProperty
     public int getMinIntegerDigits()
     {
         return _minIntegerDigits;
     }
 
     public void setMinIntegerDigits(int minIntegerDigits)
     {
         _minIntegerDigitsSet = true;
         _minIntegerDigits = minIntegerDigits;
     }
 
     /**
      * A custom Date formatting pattern, in the format used by java.text.SimpleDateFormat.
      * 
      */
     @JSFProperty
     public String getPattern()
     {
         return _pattern;
     }
 
     public void setPattern(String pattern)
     {
         _pattern = pattern;
     }
 
     public boolean isTransient()
     {
         return _transient;
     }
 
     public void setTransient(boolean aTransient)
     {
         _transient = aTransient;
     }
 
     /**
      * The type of formatting/parsing to be performed.  Values include:
      * number, currency, and percent.  Default: number.
      * 
      */
     @JSFProperty
     public String getType()
     {
         return _type;
     }
 
     public void setType(String type)
     {
         //TODO: validate type
         _type = type;
     }
 
     private static boolean checkJavaVersion14()
     {
         String version = System.getProperty("java.version");
         if (version == null)
         {
             return false;
         }
         byte java14 = 0;
         for (int idx = version.indexOf('.'), i = 0; idx > 0 || version != null; i++)
         {
             if (idx > 0)
             {
                 byte value = Byte.parseByte(version.substring(0, 1));
                 version = version.substring(idx + 1, version.length());
                 idx = version.indexOf('.');
                 switch (i)
                 {
                     case 0:
                         if (value == 1)
                         {
                             java14 = 1;
                             break;
                         }
                         else if (value > 1)
                         {
                             java14 = 2;
                         }
                     case 1:
                         if (java14 > 0 && value >= 4)
                         {
                             java14 = 2;
                         }
                         ;
                     default:
                         idx = 0;
                         version = null;
                         break;
                 }
             }
             else
             {
                 byte value = Byte.parseByte(version.substring(0, 1));
                 if (java14 > 0 && value >= 4)
                 {
                     java14 = 2;
                 }
                 break;
             }
         }
         return java14 == 2;
     }
 
 
     private DecimalFormatSymbols getDecimalFormatSymbols()
     {
         return new DecimalFormatSymbols(getLocale());
     }
 }

1		/*
2		* Licensed to the Apache Software Foundation (ASF) under one
3		* or more contributor license agreements. See the NOTICE file
4		* distributed with this work for additional information
5		* regarding copyright ownership. The ASF licenses this file
6		* to you under the Apache License, Version 2.0 (the
7		* "License"); you may not use this file except in compliance
8		* with the License. You may obtain a copy of the License at
9		*
10		* http://www.apache.org/licenses/LICENSE-2.0
11		*
12		* Unless required by applicable law or agreed to in writing,
13		* software distributed under the License is distributed on an
14		* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15		* KIND, either express or implied. See the License for the
16		* specific language governing permissions and limitations
17		* under the License.
18		*/
19		package javax.faces.convert;
20
21		import java.text.DecimalFormat;
22		import java.text.DecimalFormatSymbols;
23		import java.text.NumberFormat;
24		import java.text.ParseException;
25		import java.util.Currency;
26		import java.util.Locale;
27
28		import javax.faces.component.StateHolder;
29		import javax.faces.component.UIComponent;
30		import javax.faces.context.FacesContext;
31
32		import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFConverter;
33		import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFJspProperty;
34		import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFProperty;
35
36		/**
37		* This tag creates a number formatting converter and associates it
38		* with the nearest parent UIComponent.
39		*
40		* Unless otherwise specified, all attributes accept static values or EL expressions.
41		*
42		* see Javadoc of <a href="http://java.sun.com/javaee/javaserverfaces/1.2/docs/api/index.html">JSF Specification</a>
43		*
44		* @author Thomas Spiegl (latest modification by $Author: lu4242 $)
45		* @version $Revision: 693358 $ $Date: 2008-09-08 22:54:29 -0500 (Mon, 08 Sep 2008) $
46		*/
47		@JSFConverter(
48		name="f:convertNumber",
49		bodyContent="empty",
50		tagClass="org.apache.myfaces.taglib.core.ConvertNumberTag")
51		@JSFJspProperty(
52		name="binding",
53		returnType = "javax.faces.convert.NumberConverter",
54		longDesc = "A ValueExpression that evaluates to a NumberConverter.")
55		public class NumberConverter
56		implements Converter, StateHolder
57		{
58		// API FIELDS
59		public static final String CONVERTER_ID = "javax.faces.Number";
60		public static final String STRING_ID = "javax.faces.converter.STRING";
61		public static final String CURRENCY_ID = "javax.faces.converter.NumberConverter.CURRENCY";
62		public static final String NUMBER_ID = "javax.faces.converter.NumberConverter.NUMBER";
63		public static final String PATTERN_ID = "javax.faces.converter.NumberConverter.PATTERN";
64		public static final String PERCENT_ID = "javax.faces.converter.NumberConverter.PERCENT";
65
66		private static final boolean JAVA_VERSION_14;
67
68		static
69		{
70	0	JAVA_VERSION_14 = checkJavaVersion14();
71	0	}
72
73		private String _currencyCode;
74		private String _currencySymbol;
75		private Locale _locale;
76		private int _maxFractionDigits;
77		private int _maxIntegerDigits;
78		private int _minFractionDigits;
79		private int _minIntegerDigits;
80		private String _pattern;
81	0	private String _type = "number";
82	0	private boolean _groupingUsed = true;
83	0	private boolean _integerOnly = false;
84		private boolean _transient;
85
86		private boolean _maxFractionDigitsSet;
87		private boolean _maxIntegerDigitsSet;
88		private boolean _minFractionDigitsSet;
89		private boolean _minIntegerDigitsSet;
90
91
92		// CONSTRUCTORS
93		public NumberConverter()
94	0	{
95	0	}
96
97		// METHODS
98		public Object getAsObject(FacesContext facesContext, UIComponent uiComponent, String value)
99		{
100	0	if (facesContext == null) throw new NullPointerException("facesContext");
101	0	if (uiComponent == null) throw new NullPointerException("uiComponent");
102
103	0	if (value != null)
104		{
105	0	value = value.trim();
106	0	if (value.length() > 0)
107		{
108	0	NumberFormat format = getNumberFormat(facesContext);
109	0	format.setParseIntegerOnly(_integerOnly);
110
111	0	DecimalFormat df = (DecimalFormat)format;
112		//df.setParseBigDecimal(true);
113	0	DecimalFormatSymbols dfs = df.getDecimalFormatSymbols();
114	0	boolean changed = false;
115	0	if(dfs.getGroupingSeparator() == '\u00a0')
116		{
117	0	dfs.setGroupingSeparator(' ');
118	0	df.setDecimalFormatSymbols(dfs);
119	0	changed = true;
120		}
121		try
122		{
123	0	return format.parse(value);
124		}
125	0	catch (ParseException e)
126		{
127	0	if(changed)
128		{
129	0	dfs.setGroupingSeparator('\u00a0');
130	0	df.setDecimalFormatSymbols(dfs);
131		}
132		try
133		{
134	0	return format.parse(value);
135		}
136	0	catch (ParseException pe)
137		{
138
139	0	if(getPattern() != null)
140	0	throw new ConverterException(_MessageUtils.getErrorMessage(facesContext,
141		PATTERN_ID,
142		new Object[]{value,"$###,###",_MessageUtils.getLabel(facesContext, uiComponent)}));
143	0	else if(getType().equals("number"))
144	0	throw new ConverterException(_MessageUtils.getErrorMessage(facesContext,
145		NUMBER_ID,
146		new Object[]{value,"21",_MessageUtils.getLabel(facesContext, uiComponent)}));
147	0	else if(getType().equals("currency"))
148	0	throw new ConverterException(_MessageUtils.getErrorMessage(facesContext,
149		CURRENCY_ID,
150		new Object[]{value,"42.25",_MessageUtils.getLabel(facesContext, uiComponent)}));
151	0	else if(getType().equals("percent"))
152	0	throw new ConverterException(_MessageUtils.getErrorMessage(facesContext,
153		PERCENT_ID,
154		new Object[]{value,".90",_MessageUtils.getLabel(facesContext, uiComponent)}));
155		}
156		}
157		}
158		}
159	0	return null;
160		}
161
162		public String getAsString(FacesContext facesContext, UIComponent uiComponent, Object value)
163		{
164	0	if (facesContext == null) throw new NullPointerException("facesContext");
165	0	if (uiComponent == null) throw new NullPointerException("uiComponent");
166
167	0	if (value == null)
168		{
169	0	return "";
170		}
171	0	if (value instanceof String)
172		{
173	0	return (String)value;
174		}
175
176	0	NumberFormat format = getNumberFormat(facesContext);
177	0	format.setGroupingUsed(_groupingUsed);
178	0	if (_maxFractionDigitsSet) format.setMaximumFractionDigits(_maxFractionDigits);
179	0	if (_maxIntegerDigitsSet) format.setMaximumIntegerDigits(_maxIntegerDigits);
180	0	if (_minFractionDigitsSet) format.setMinimumFractionDigits(_minFractionDigits);
181	0	if (_minIntegerDigitsSet) format.setMinimumIntegerDigits(_minIntegerDigits);
182	0	formatCurrency(format);
183		try
184		{
185	0	return format.format(value);
186		}
187	0	catch (Exception e)
188		{
189	0	throw new ConverterException(_MessageUtils.getErrorMessage(facesContext, STRING_ID, new Object[]{value,_MessageUtils.getLabel(facesContext, uiComponent)}),e);
190		}
191		}
192
193		private NumberFormat getNumberFormat(FacesContext facesContext)
194		{
195	0	Locale locale = _locale != null ? _locale : facesContext.getViewRoot().getLocale();
196
197	0	if (_pattern == null && _type == null)
198		{
199	0	throw new ConverterException("Cannot get NumberFormat, either type or pattern needed.");
200		}
201
202		// pattern
203	0	if (_pattern != null)
204		{
205	0	return new DecimalFormat(_pattern, new DecimalFormatSymbols(locale));
206		}
207
208		// type
209	0	if (_type.equals("number"))
210		{
211	0	return NumberFormat.getNumberInstance(locale);
212		}
213	0	else if (_type.equals("currency"))
214		{
215	0	return NumberFormat.getCurrencyInstance(locale);
216		}
217	0	else if (_type.equals("percent"))
218		{
219	0	return NumberFormat.getPercentInstance(locale);
220		}
221	0	throw new ConverterException("Cannot get NumberFormat, illegal type " + _type);
222		}
223
224		private void formatCurrency(NumberFormat format)
225		{
226	0	if (_currencyCode == null && _currencySymbol == null)
227		{
228	0	return;
229		}
230
231		boolean useCurrencyCode;
232	0	if (JAVA_VERSION_14)
233		{
234	0	useCurrencyCode = _currencyCode != null;
235		}
236		else
237		{
238	0	useCurrencyCode = _currencySymbol == null;
239		}
240
241	0	if (useCurrencyCode)
242		{
243		// set Currency
244		try
245		{
246	0	format.setCurrency(Currency.getInstance(_currencyCode));
247		}
248	0	catch (Exception e)
249		{
250	0	throw new ConverterException("Unable to get Currency instance for currencyCode " +
251		_currencyCode);
252	0	}
253		}
254	0	else if (format instanceof DecimalFormat)
255
256		{
257	0	DecimalFormat dFormat = (DecimalFormat)format;
258	0	DecimalFormatSymbols symbols = dFormat.getDecimalFormatSymbols();
259	0	symbols.setCurrencySymbol(_currencySymbol);
260	0	dFormat.setDecimalFormatSymbols(symbols);
261		}
262	0	}
263
264		// STATE SAVE/RESTORE
265		public void restoreState(FacesContext facesContext, Object state)
266		{
267	0	Object values[] = (Object[])state;
268	0	_currencyCode = (String)values[0];
269	0	_currencySymbol = (String)values[1];
270	0	_locale = (Locale)values[2];
271	0	Integer value = (Integer)values[3];
272	0	_maxFractionDigits = value != null ? value.intValue() : 0;
273	0	value = (Integer)values[4];
274	0	_maxIntegerDigits = value != null ? value.intValue() : 0;
275	0	value = (Integer)values[5];
276	0	_minFractionDigits = value != null ? value.intValue() : 0;
277	0	value = (Integer)values[6];
278	0	_minIntegerDigits = value != null ? value.intValue() : 0;
279	0	_pattern = (String)values[7];
280	0	_type = (String)values[8];
281	0	_groupingUsed = ((Boolean)values[9]).booleanValue();
282	0	_integerOnly = ((Boolean)values[10]).booleanValue();
283	0	_maxFractionDigitsSet = ((Boolean)values[11]).booleanValue();
284	0	_maxIntegerDigitsSet = ((Boolean)values[12]).booleanValue();
285	0	_minFractionDigitsSet = ((Boolean)values[13]).booleanValue();
286	0	_minIntegerDigitsSet = ((Boolean)values[14]).booleanValue();
287	0	}
288
289		public Object saveState(FacesContext facesContext)
290		{
291	0	Object values[] = new Object[15];
292	0	values[0] = _currencyCode;
293	0	values[1] = _currencySymbol;
294	0	values[2] = _locale;
295	0	values[3] = _maxFractionDigitsSet ? new Integer(_maxFractionDigits) : null;
296	0	values[4] = _maxIntegerDigitsSet ? new Integer(_maxIntegerDigits) : null;
297	0	values[5] = _minFractionDigitsSet ? new Integer(_minFractionDigits) : null;
298	0	values[6] = _minIntegerDigitsSet ? new Integer(_minIntegerDigits) : null;
299	0	values[7] = _pattern;
300	0	values[8] = _type;
301	0	values[9] = _groupingUsed ? Boolean.TRUE : Boolean.FALSE;
302	0	values[10] = _integerOnly ? Boolean.TRUE : Boolean.FALSE;
303	0	values[11] = _maxFractionDigitsSet ? Boolean.TRUE : Boolean.FALSE;
304	0	values[12] = _maxIntegerDigitsSet ? Boolean.TRUE : Boolean.FALSE;
305	0	values[13] = _minFractionDigitsSet ? Boolean.TRUE : Boolean.FALSE;
306	0	values[14] = _minIntegerDigitsSet ? Boolean.TRUE : Boolean.FALSE;
307	0	return values;
308		}
309
310		// GETTER & SETTER
311
312		/**
313		* ISO 4217 currency code
314		*
315		*/
316		@JSFProperty
317		public String getCurrencyCode()
318		{
319	0	return _currencyCode != null ?
320		_currencyCode :
321		getDecimalFormatSymbols().getInternationalCurrencySymbol();
322		}
323
324		public void setCurrencyCode(String currencyCode)
325		{
326	0	_currencyCode = currencyCode;
327	0	}
328
329		/**
330		* The currency symbol used to format a currency value. Defaults
331		* to the currency symbol for locale.
332		*
333		*/
334		@JSFProperty
335		public String getCurrencySymbol()
336		{
337	0	return _currencySymbol != null ?
338		_currencySymbol :
339		getDecimalFormatSymbols().getCurrencySymbol();
340		}
341
342		public void setCurrencySymbol(String currencySymbol)
343		{
344	0	_currencySymbol = currencySymbol;
345	0	}
346
347		/**
348		* Specifies whether output will contain grouping separators. Default: true.
349		*
350		*/
351		@JSFProperty
352		public boolean isGroupingUsed()
353		{
354	0	return _groupingUsed;
355		}
356
357		public void setGroupingUsed(boolean groupingUsed)
358		{
359	0	_groupingUsed = groupingUsed;
360	0	}
361
362		/**
363		* Specifies whether only the integer part of the input will be parsed. Default: false.
364		*
365		*/
366		@JSFProperty
367		public boolean isIntegerOnly()
368		{
369	0	return _integerOnly;
370		}
371
372		public void setIntegerOnly(boolean integerOnly)
373		{
374	0	_integerOnly = integerOnly;
375	0	}
376
377		/**
378		* The name of the locale to be used, instead of the default as
379		* specified in the faces configuration file.
380		*
381		*/
382		@JSFProperty
383		public Locale getLocale()
384		{
385	0	if (_locale != null) return _locale;
386	0	FacesContext context = FacesContext.getCurrentInstance();
387	0	return context.getViewRoot().getLocale();
388		}
389
390		public void setLocale(Locale locale)
391		{
392	0	_locale = locale;
393	0	}
394
395		/**
396		* The maximum number of digits in the fractional portion of the number.
397		*
398		*/
399		@JSFProperty
400		public int getMaxFractionDigits()
401		{
402	0	return _maxFractionDigits;
403		}
404
405		public void setMaxFractionDigits(int maxFractionDigits)
406		{
407	0	_maxFractionDigitsSet = true;
408	0	_maxFractionDigits = maxFractionDigits;
409	0	}
410
411		/**
412		* The maximum number of digits in the integer portion of the number.
413		*
414		*/
415		@JSFProperty
416		public int getMaxIntegerDigits()
417		{
418	0	return _maxIntegerDigits;
419		}
420
421		public void setMaxIntegerDigits(int maxIntegerDigits)
422		{
423	0	_maxIntegerDigitsSet = true;
424	0	_maxIntegerDigits = maxIntegerDigits;
425	0	}
426
427		/**
428		* The minimum number of digits in the fractional portion of the number.
429		*
430		*/
431		@JSFProperty
432		public int getMinFractionDigits()
433		{
434	0	return _minFractionDigits;
435		}
436
437		public void setMinFractionDigits(int minFractionDigits)
438		{
439	0	_minFractionDigitsSet = true;
440	0	_minFractionDigits = minFractionDigits;
441	0	}
442
443		/**
444		* The minimum number of digits in the integer portion of the number.
445		*
446		*/
447		@JSFProperty
448		public int getMinIntegerDigits()
449		{
450	0	return _minIntegerDigits;
451		}
452
453		public void setMinIntegerDigits(int minIntegerDigits)
454		{
455	0	_minIntegerDigitsSet = true;
456	0	_minIntegerDigits = minIntegerDigits;
457	0	}
458
459		/**
460		* A custom Date formatting pattern, in the format used by java.text.SimpleDateFormat.
461		*
462		*/
463		@JSFProperty
464		public String getPattern()
465		{
466	0	return _pattern;
467		}
468
469		public void setPattern(String pattern)
470		{
471	0	_pattern = pattern;
472	0	}
473
474		public boolean isTransient()
475		{
476	0	return _transient;
477		}
478
479		public void setTransient(boolean aTransient)
480		{
481	0	_transient = aTransient;
482	0	}
483
484		/**
485		* The type of formatting/parsing to be performed. Values include:
486		* number, currency, and percent. Default: number.
487		*
488		*/
489		@JSFProperty
490		public String getType()
491		{
492	0	return _type;
493		}
494
495		public void setType(String type)
496		{
497		//TODO: validate type
498	0	_type = type;
499	0	}
500
501		private static boolean checkJavaVersion14()
502		{
503	0	String version = System.getProperty("java.version");
504	0	if (version == null)
505		{
506	0	return false;
507		}
508	0	byte java14 = 0;
509	0	for (int idx = version.indexOf('.'), i = 0; idx > 0 \|\| version != null; i++)
510		{
511	0	if (idx > 0)
512		{
513	0	byte value = Byte.parseByte(version.substring(0, 1));
514	0	version = version.substring(idx + 1, version.length());
515	0	idx = version.indexOf('.');
516	0	switch (i)
517		{
518		case 0:
519	0	if (value == 1)
520		{
521	0	java14 = 1;
522	0	break;
523		}
524	0	else if (value > 1)
525		{
526	0	java14 = 2;
527		}
528		case 1:
529	0	if (java14 > 0 && value >= 4)
530		{
531	0	java14 = 2;
532		}
533		;
534		default:
535	0	idx = 0;
536	0	version = null;
537		break;
538		}
539	0	}
540		else
541		{
542	0	byte value = Byte.parseByte(version.substring(0, 1));
543	0	if (java14 > 0 && value >= 4)
544		{
545	0	java14 = 2;
546		}
547		break;
548		}
549		}
550	0	return java14 == 2;
551		}
552
553
554		private DecimalFormatSymbols getDecimalFormatSymbols()
555		{
556	0	return new DecimalFormatSymbols(getLocale());
557		}
558		}