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Private implementation of the Apache MyFaces Trinidad project
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/*
* 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.trinidadinternal.convert;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.ConverterException;
import org.apache.myfaces.trinidad.context.RenderingContext;
import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFConverter;
import org.apache.myfaces.trinidad.convert.ClientConverter;
import org.apache.myfaces.trinidad.logging.TrinidadLogger;
import org.apache.myfaces.trinidad.util.IntegerUtils;
import org.apache.myfaces.trinidadinternal.util.JsonUtils;
@JSFConverter(
name="tr:convertNumber",
bodyContent="empty",
id="org.apache.myfaces.trinidad.Number",
tagClass="org.apache.myfaces.trinidadinternal.taglib.convert.ConvertNumberTag")
public class NumberConverter extends org.apache.myfaces.trinidad.convert.NumberConverter
implements ClientConverter
{
public NumberConverter()
{
}
@Override
public Object getAsObject(
FacesContext context,
UIComponent component,
String value)
throws ConverterException
{
Object number = super.getAsObject(context, component, value);
if (number == null) // bug 4137626
return null;
// this is causing issue TRINIDAD-690
number =
DateTimeConverter.__typeConvert(context, this, component, value, number);
return number;
}
@Override
public String getAsString(
FacesContext context,
UIComponent component,
Object value)
throws ConverterException
{
if (value == null)
return null;
GenericConverterFactory fac = GenericConverterFactory.getCurrentInstance();
// we support other types of numbers, like oracle.jbo.domain.Number:
if ((!(value instanceof Number)) && fac.isConvertible(value, Number.class))
{
value = fac.convert(value, Number.class);
}
// bug 4214147:
return super.getAsString(context, component, value);
}
public String getClientConversion(FacesContext context, UIComponent component)
{
String hintPattern = this.getHintPattern();
String messageDetailConvertNumber = this.getMessageDetailConvertNumber();
String messageDetailConvertPercent = this.getMessageDetailConvertPercent();
String messageDetailConvertCurrency = this.getMessageDetailConvertCurrency();
Map cMessages = null;
if(hintPattern != null || messageDetailConvertNumber != null || messageDetailConvertPercent != null || messageDetailConvertCurrency != null)
{
cMessages = new HashMap();
cMessages.put("hintPattern", hintPattern);
cMessages.put("number", messageDetailConvertNumber);
cMessages.put("percent", messageDetailConvertPercent);
cMessages.put("currency", messageDetailConvertCurrency);
}
return _getTrNumberConverter(context, component, cMessages);
}
public Collection getClientImportNames()
{
// Load the library for the different locale, so that the locale elements
// are available for the client converter and validator.
if (_isDifferentLocale())
{
ArrayList names = new ArrayList(2);
names.add("TrNumberConverter()");
// Load NamedLocaleInfoScriptlet "LocaleInfo_"
String sloc = getLocale().toString();
StringBuffer sb = new StringBuffer(11 + sloc.length());
sb.append("LocaleInfo_");
sb.append(sloc);
names.add(sb.toString());
return names;
}
return _IMPORT_NAMES;
}
public String getClientLibrarySource(FacesContext context)
{
return null;
}
public String getClientScript(FacesContext context, UIComponent component)
{
return null;
}
/**
* Helper method, that creates an Object array, which contains all
* required constructor parameters for the TrNumberConverter class.
*
* TrNumberConverter takes several arguments, like pattern or type.
* It also takes some arguments that are only useful, when displaying
* formatted numbers, like currencyCode or maximumIntegerDigits.
*
*/
private Object[] _getClientConstructorParams(FacesContext context, Map messages)
{
Object[] params;
boolean formating = _formatingAttributesSet();
if(formating)
params = new Object[12];
else
params = new Object[4];
// We call this since the pattern may contain the generic currency sign, which we don't
// want to display to the user.
params[0] = getLocalizedPattern(context, getPattern(), null);
params[1] = this.getType();
params[2] = this.getLocale() != null ? this.getLocale().toString() : null;
params[3] = messages;
//TODO we don't really need these attributes all the time,
//only if specified.
if(formating)
{
params[4] = this.isIntegerOnly();
params[5] = this.isGroupingUsed();
params[6] = this.getCurrencyCode();
params[7] = this.getCurrencySymbol();
params[8] = this.isMaximumFractionDigitsSet() ? this.getMaxFractionDigits() : null;
params[9] = this.isMaximumIntegerDigitsSet() ? this.getMaxIntegerDigits() : null;
params[10] = this.isMinimumFractionDigitsSet() ? this.getMinFractionDigits() : null;
params[11] = this.isMinimumIntegerDigitsSet() ? this.getMinIntegerDigits() : null;
}
return params;
}
/*
* checks if the attributes, that are interesting for
* formating only are applied.
*/
private boolean _formatingAttributesSet()
{
return (this.getCurrencyCode()!=null ||
this.getCurrencySymbol() != null ||
this.isGroupingUsed() != true ||
this.isIntegerOnly() != false ||
this.isMaximumFractionDigitsSet() ||
this.isMaximumIntegerDigitsSet() ||
this.isMinimumFractionDigitsSet() ||
this.isMinimumIntegerDigitsSet());
}
private String _getTrNumberConverter(
FacesContext context,
UIComponent component,
Map messages)
{
StringBuilder outBuffer = new StringBuilder(250);
outBuffer.append("new TrNumberConverter(");
Object[] params = _getClientConstructorParams(context, messages);
for (int i = 0; i < params.length; i++)
{
try
{
JsonUtils.writeObject(outBuffer, params[i], false);
}
catch (Exception e)
{
outBuffer.append("null");
}
if (i < params.length-1)
outBuffer.append(',');
}
outBuffer.append(')');
return outBuffer.toString();
}
/*
* This method returns true if the locale specified for NumberConverter is
* different from the locale specified in Adf-faces-config or the client
* locale. If both are same or if no locale is specified for
* NumberConverter, then this returns false.
*/
private boolean _isDifferentLocale()
{
Locale converterLocale = getLocale();
if (converterLocale != null)
{
Locale defaultLocale =
RenderingContext.getCurrentInstance().getLocaleContext().getFormattingLocale();
return !converterLocale.equals(defaultLocale);
}
return false;
}
private static final TrinidadLogger _LOG =
TrinidadLogger.createTrinidadLogger(NumberConverter.class);
private static final Collection _IMPORT_NAMES = Collections.singletonList( "TrNumberConverter()" );
}