/* | |
* 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.component; | |
import java.text.MessageFormat; | |
import java.util.Locale; | |
import javax.el.ValueExpression; | |
import javax.faces.application.FacesMessage; | |
import javax.faces.context.FacesContext; | |
import javax.faces.el.ValueBinding; | |
/** | |
* This class encapsulates a FacesMessage to evaluate the label | |
* expression on render response, where f:loadBundle is available | |
* | |
* @author Leonardo Uribe (latest modification by $Author: skitching $) | |
* @version $Revision: 676298 $ $Date: 2008-07-13 05:31:48 -0500 (Dom, 13 Jul 2008) $ | |
*/ | |
class _ParametrizableFacesMessage extends FacesMessage | |
{ | |
/** | |
* | |
*/ | |
private static final long serialVersionUID = 7792947730961657948L; | |
private final Object _args[]; | |
private String _evaluatedDetail; | |
private String _evaluatedSummary; | |
private transient Object _evaluatedArgs[]; | |
private Locale _locale; | |
public _ParametrizableFacesMessage( | |
String summary, String detail, Object[] args, Locale locale) | |
{ | |
super(summary, detail); | |
if(locale == null) throw new NullPointerException("locale"); | |
_locale = locale; | |
_args = args; | |
} | |
public _ParametrizableFacesMessage(FacesMessage.Severity severity, | |
String summary, String detail, Object[] args, Locale locale) | |
{ | |
super(severity, summary, detail); | |
if(locale == null) throw new NullPointerException("locale"); | |
_locale = locale; | |
_args = args; | |
} | |
@Override | |
public String getDetail() | |
{ | |
if (_evaluatedArgs == null && _args != null) | |
{ | |
evaluateArgs(); | |
} | |
if (_evaluatedDetail == null) | |
{ | |
MessageFormat format = new MessageFormat(super.getDetail(), _locale); | |
_evaluatedDetail = format.format(_evaluatedArgs); | |
} | |
return _evaluatedDetail; | |
} | |
@Override | |
public void setDetail(String detail) | |
{ | |
super.setDetail(detail); | |
_evaluatedDetail = null; | |
} | |
public String getUnformattedDetail() | |
{ | |
return super.getDetail(); | |
} | |
@Override | |
public String getSummary() | |
{ | |
if (_evaluatedArgs == null && _args != null) | |
{ | |
evaluateArgs(); | |
} | |
if (_evaluatedSummary == null) | |
{ | |
MessageFormat format = new MessageFormat(super.getSummary(), _locale); | |
_evaluatedSummary = format.format(_evaluatedArgs); | |
} | |
return _evaluatedSummary; | |
} | |
@Override | |
public void setSummary(String summary) | |
{ | |
super.setSummary(summary); | |
_evaluatedSummary = null; | |
} | |
public String getUnformattedSummary() | |
{ | |
return super.getSummary(); | |
} | |
private void evaluateArgs() | |
{ | |
_evaluatedArgs = new Object[_args.length]; | |
FacesContext facesContext = null; | |
for (int i = 0; i < _args.length; i++) | |
{ | |
if (_args[i] == null) | |
{ | |
continue; | |
} | |
else if (_args[i] instanceof ValueBinding) | |
{ | |
if (facesContext == null) | |
{ | |
facesContext = FacesContext.getCurrentInstance(); | |
} | |
_evaluatedArgs[i] = ((ValueBinding)_args[i]).getValue(facesContext); | |
} | |
else if (_args[i] instanceof ValueExpression) | |
{ | |
if (facesContext == null) | |
{ | |
facesContext = FacesContext.getCurrentInstance(); | |
} | |
_evaluatedArgs[i] = ((ValueExpression)_args[i]).getValue(facesContext.getELContext()); | |
} | |
else | |
{ | |
_evaluatedArgs[i] = _args[i]; | |
} | |
} | |
} | |
} |