org.primefaces.application.exceptionhandler.PrimeExceptionHandlerELResolver Maven / Gradle / Ivy
/*
* Copyright 2009-2014 PrimeTek.
*
* Licensed 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.primefaces.application.exceptionhandler;
import java.beans.FeatureDescriptor;
import java.util.Iterator;
import javax.el.ELContext;
import javax.el.ELResolver;
import javax.faces.context.FacesContext;
public class PrimeExceptionHandlerELResolver extends ELResolver {
public static final String EL_NAME = "pfExceptionHandler";
@Override
public Object getValue(ELContext elContext, Object base, Object property) {
if (EL_NAME.equals(property)) {
elContext.setPropertyResolved(true);
FacesContext context = FacesContext.getCurrentInstance();
ExceptionInfo info = (ExceptionInfo) context.getAttributes().get(ExceptionInfo.ATTRIBUTE_NAME);
if (info == null) {
info = (ExceptionInfo) context.getExternalContext().getFlash().get(ExceptionInfo.ATTRIBUTE_NAME);
}
return info;
}
return null;
}
@Override
public Class getType(ELContext context, Object base, Object property) {
return null;
}
@Override
public void setValue(ELContext context, Object base, Object property, Object value) {
}
@Override
public boolean isReadOnly(ELContext context, Object base, Object property) {
return true;
}
@Override
public Iterator getFeatureDescriptors(ELContext context, Object base) {
return null;
}
@Override
public Class getCommonPropertyType(ELContext context, Object base) {
return null;
}
}