com.sun.faces.taglib.jsf_core.ConvertNumberTag Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of javax.faces Show documentation
Show all versions of javax.faces Show documentation
This is the master POM file for Oracle's Implementation of the JSF 2.0 Specification.
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2011 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.faces.taglib.jsf_core;
import java.util.Arrays;
import java.util.Locale;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.sun.faces.util.FacesLogger;
import com.sun.faces.util.MessageUtils;
import javax.el.ELContext;
import javax.el.ValueExpression;
import javax.el.ExpressionFactory;
import javax.faces.FacesException;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.convert.NumberConverter;
import javax.servlet.jsp.JspException;
import com.sun.faces.el.ELUtils;
/**
* ConvertNumberTag is a ConverterTag implementation for
* javax.faces.convert.NumberConverter
*
*/
public class ConvertNumberTag extends AbstractConverterTag {
private static final long serialVersionUID = -2710405278792415110L;
private static ValueExpression CONVERTER_ID_EXPR = null;
private static final Logger LOGGER = FacesLogger.TAGLIB.getLogger();
//
// Instance Variables
//
private ValueExpression currencyCodeExpression;
private ValueExpression currencySymbolExpression;
private ValueExpression groupingUsedExpression;
private ValueExpression integerOnlyExpression;
private ValueExpression maxFractionDigitsExpression;
private ValueExpression maxIntegerDigitsExpression;
private ValueExpression minFractionDigitsExpression;
private ValueExpression minIntegerDigitsExpression;
private ValueExpression localeExpression;
private ValueExpression patternExpression;
private ValueExpression typeExpression;
private String currencyCode;
private String currencySymbol;
private boolean groupingUsed;
private boolean integerOnly;
private int maxFractionDigits;
private int maxIntegerDigits;
private int minFractionDigits;
private int minIntegerDigits;
private Locale locale;
private String pattern;
private String type;
private boolean maxFractionDigitsSpecified;
private boolean maxIntegerDigitsSpecified;
private boolean minFractionDigitsSpecified;
private boolean minIntegerDigitsSpecified;
// Attribute Instance Variables
// Relationship Instance Variables
//
// Constructors and Initializers
//
public ConvertNumberTag() {
super();
init();
}
public void release() {
super.release();
init();
}
private void init() {
currencyCode = null;
currencyCodeExpression = null;
currencySymbol = null;
currencySymbolExpression = null;
groupingUsed = true;
groupingUsedExpression = null;
integerOnly = false;
integerOnlyExpression = null;
maxFractionDigits = 0;
maxFractionDigitsExpression = null;
maxFractionDigitsSpecified = false;
maxIntegerDigits = 0;
maxIntegerDigitsExpression = null;
maxIntegerDigitsSpecified = false;
minFractionDigits = 0;
minFractionDigitsExpression = null;
minFractionDigitsSpecified = false;
minIntegerDigits = 0;
minIntegerDigitsExpression = null;
minIntegerDigitsSpecified = false;
locale = null;
localeExpression = null;
pattern = null;
patternExpression = null;
type = "number";
typeExpression = null;
if (CONVERTER_ID_EXPR == null) {
FacesContext context = FacesContext.getCurrentInstance();
ExpressionFactory factory =
context.getApplication().getExpressionFactory();
CONVERTER_ID_EXPR =
factory.createValueExpression(context.getELContext(),
"javax.faces.Number", String.class);
}
}
//
// Class methods
//
//
// General Methods
//
public void setCurrencyCode(ValueExpression currencyCode) {
this.currencyCodeExpression = currencyCode;
}
public void setCurrencySymbol(ValueExpression currencySymbol) {
this.currencySymbolExpression = currencySymbol;
}
public void setGroupingUsed(ValueExpression groupingUsed) {
this.groupingUsedExpression = groupingUsed;
}
public void setIntegerOnly(ValueExpression integerOnly) {
this.integerOnlyExpression = integerOnly;
}
public void setMaxFractionDigits(ValueExpression maxFractionDigits) {
this.maxFractionDigitsExpression = maxFractionDigits;
this.maxFractionDigitsSpecified = true;
}
public void setMaxIntegerDigits(ValueExpression maxIntegerDigits) {
this.maxIntegerDigitsExpression = maxIntegerDigits;
this.maxIntegerDigitsSpecified = true;
}
public void setMinFractionDigits(ValueExpression minFractionDigits) {
this.minFractionDigitsExpression = minFractionDigits;
this.minFractionDigitsSpecified = true;
}
public void setMinIntegerDigits(ValueExpression minIntegerDigits) {
this.minIntegerDigitsExpression = minIntegerDigits;
}
public void setLocale(ValueExpression locale) {
this.localeExpression = locale;
}
public void setPattern(ValueExpression pattern) {
this.patternExpression = pattern;
}
public void setType(ValueExpression type) {
this.typeExpression = type;
}
public int doStartTag() throws JspException {
super.setConverterId(CONVERTER_ID_EXPR);
return super.doStartTag();
}
//
// Methods from ConverterTag
//
protected Converter createConverter() throws JspException {
NumberConverter result = (NumberConverter) super.createConverter();
assert (null != result);
evaluateExpressions();
result.setCurrencyCode(currencyCode);
result.setCurrencySymbol(currencySymbol);
result.setGroupingUsed(groupingUsed);
result.setIntegerOnly(integerOnly);
if (maxFractionDigitsSpecified) {
result.setMaxFractionDigits(maxFractionDigits);
}
if (maxIntegerDigitsSpecified) {
result.setMaxIntegerDigits(maxIntegerDigits);
}
if (minFractionDigitsSpecified) {
result.setMinFractionDigits(minFractionDigits);
}
if (minIntegerDigitsSpecified) {
result.setMinIntegerDigits(minIntegerDigits);
}
result.setLocale(locale);
result.setPattern(pattern);
result.setType(type);
return result;
}
/* Evaluates expressions as necessary */
private void evaluateExpressions() {
FacesContext facesContext = FacesContext.getCurrentInstance();
ELContext elContext = facesContext.getELContext();
if (currencyCodeExpression != null) {
currencyCode = (String)
ELUtils.evaluateValueExpression(currencyCodeExpression,
elContext);
}
if (currencySymbolExpression != null) {
currencySymbol = (String)
ELUtils.evaluateValueExpression(currencySymbolExpression,
elContext);
}
if (patternExpression != null) {
pattern = (String)
ELUtils.evaluateValueExpression(patternExpression,
elContext);
}
if (typeExpression != null) {
type = (String)
ELUtils.evaluateValueExpression(typeExpression,
elContext);
}
if (groupingUsedExpression != null) {
if (groupingUsedExpression.isLiteralText()) {
groupingUsed =
Boolean.valueOf(
groupingUsedExpression.getExpressionString()).
booleanValue();
} else {
groupingUsed = ((Boolean)
ELUtils.evaluateValueExpression(groupingUsedExpression,
elContext)).booleanValue();
}
}
if (integerOnlyExpression != null) {
if (integerOnlyExpression.isLiteralText()) {
integerOnly =
Boolean.valueOf(
integerOnlyExpression.getExpressionString()).
booleanValue();
} else {
integerOnly = ((Boolean)
ELUtils.evaluateValueExpression(integerOnlyExpression,
elContext)).booleanValue();
}
}
if (maxFractionDigitsExpression != null) {
if (maxFractionDigitsExpression.isLiteralText()) {
maxFractionDigits =
Integer.valueOf(
maxFractionDigitsExpression.getExpressionString()).
intValue();
} else {
maxFractionDigits = ((Integer)
ELUtils.evaluateValueExpression(maxFractionDigitsExpression,
elContext)).intValue();
}
}
if (maxIntegerDigitsExpression != null) {
if (maxIntegerDigitsExpression.isLiteralText()) {
maxIntegerDigits =
Integer.valueOf(
maxIntegerDigitsExpression.getExpressionString()).
intValue();
} else {
maxIntegerDigits = ((Integer)
ELUtils.evaluateValueExpression(maxIntegerDigitsExpression,
elContext)).intValue();
}
}
if (minFractionDigitsExpression != null) {
if (minFractionDigitsExpression.isLiteralText()) {
minFractionDigits =
Integer.valueOf(
minFractionDigitsExpression.getExpressionString()).
intValue();
} else {
minFractionDigits = ((Integer)
ELUtils.evaluateValueExpression(minFractionDigitsExpression,
elContext)).intValue();
}
}
if (minIntegerDigitsExpression != null) {
if (minIntegerDigitsExpression.isLiteralText()) {
minIntegerDigits =
Integer.valueOf(
minIntegerDigitsExpression.getExpressionString()).
intValue();
} else {
minIntegerDigits = ((Integer)
ELUtils.evaluateValueExpression(minIntegerDigitsExpression,
elContext)).intValue();
}
}
if (localeExpression != null) {
if (localeExpression.isLiteralText()) {
locale = getLocale(localeExpression.getExpressionString());
} else {
Object loc = ELUtils.evaluateValueExpression(localeExpression,
elContext);
if (loc != null) {
if (loc instanceof String) {
locale = getLocale((String) loc);
} else if (loc instanceof Locale) {
locale = (Locale) loc;
} else {
Object[] params = {
"locale",
"java.lang.String or java.util.Locale",
loc.getClass().getName()
};
if (LOGGER.isLoggable(Level.SEVERE)) {
LOGGER.log(Level.SEVERE,
"jsf.core.tags.eval_result_not_expected_type",
params);
}
throw new FacesException(
MessageUtils.getExceptionMessageString(
MessageUtils.EVAL_ATTR_UNEXPECTED_TYPE, params));
}
} else {
locale = facesContext.getViewRoot().getLocale();
}
}
}
}
protected static Locale getLocale(String string) {
if (string == null) {
return Locale.getDefault();
}
if (string.length() > 2) {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.log(Level.WARNING,
"jsf.core.taglib.invalid_locale_value",
string);
}
} else {
String[] langs = Locale.getISOLanguages();
Arrays.sort(langs);
if (Arrays.binarySearch(langs, string) < 0) {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.log(Level.WARNING,
"jsf.core.taglib.invalid_language",
string);
}
}
}
return new Locale(string, "");
}
} // end of class ConvertNumberTag