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/*
* The MIT License
*
* Copyright (c) 2009-2023 PrimeTek Informatics
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.primefaces.behavior.ajax;
import java.io.Serializable;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.el.ELContext;
import javax.el.MethodExpression;
import javax.el.MethodNotFoundException;
import javax.el.PropertyNotFoundException;
import javax.faces.context.FacesContext;
import javax.faces.event.AbortProcessingException;
import javax.faces.event.AjaxBehaviorEvent;
import javax.faces.event.AjaxBehaviorListener;
public class AjaxBehaviorListenerImpl implements AjaxBehaviorListener, Serializable {
private static final long serialVersionUID = 1L;
private static final Logger LOGGER = Logger.getLogger(AjaxBehaviorListenerImpl.class.getName());
private MethodExpression listener;
private MethodExpression listenerWithArg;
private MethodExpression listenerWithCustomArg;
// required by serialization
public AjaxBehaviorListenerImpl() {
}
public AjaxBehaviorListenerImpl(MethodExpression listener, MethodExpression listenerWithArg) {
this(listener, listenerWithArg, null);
}
public AjaxBehaviorListenerImpl(MethodExpression listener, MethodExpression listenerWithArg, MethodExpression listenerWithCustomArg) {
this.listener = listener;
this.listenerWithArg = listenerWithArg;
this.listenerWithCustomArg = listenerWithCustomArg;
}
@Override
public void processAjaxBehavior(AjaxBehaviorEvent event) throws AbortProcessingException {
FacesContext context = FacesContext.getCurrentInstance();
final ELContext elContext = context.getELContext();
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Try to invoke listener: " + listener.getExpressionString());
}
try {
listener.invoke(elContext, new Object[]{});
}
// catch MethodNotFoundException and IllegalArgumentException by spec
// catch ArrayIndexOutOfBoundsException as JBoss hack, see #1375
// catch PropertyNotFoundException as Mojarra hack for Composite Components, see #7819
catch (MethodNotFoundException | IllegalArgumentException | ArrayIndexOutOfBoundsException | PropertyNotFoundException e) {
processArgListener(context, elContext, event);
}
}
private void processArgListener(FacesContext context, ELContext elContext, AjaxBehaviorEvent event) throws AbortProcessingException {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Try to invoke listenerWithArg: " + listenerWithArg.getExpressionString());
}
try {
listenerWithArg.invoke(elContext, new Object[]{event});
}
// catch MethodNotFoundException and IllegalArgumentException by spec
// catch ArrayIndexOutOfBoundsException as JBoss hack, see #1375
// catch PropertyNotFoundException as Mojarra hack for Composite Components, see #7819
catch (MethodNotFoundException | IllegalArgumentException | ArrayIndexOutOfBoundsException | PropertyNotFoundException e) {
processCustomArgListener(context, elContext, event);
}
}
private void processCustomArgListener(FacesContext context, ELContext elContext, AjaxBehaviorEvent event) throws AbortProcessingException {
if (listenerWithCustomArg == null) {
MethodExpression argListener = context.getApplication().getExpressionFactory().
createMethodExpression(elContext, listener.getExpressionString(), Void.class, new Class[]{event.getClass()});
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Try to invoke customListener: " + argListener.getExpressionString());
}
argListener.invoke(elContext, new Object[]{event});
}
else {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Try to invoke customListener: " + listenerWithCustomArg.getExpressionString());
}
listenerWithCustomArg.invoke(elContext, new Object[]{event});
}
}
}