org.primefaces.component.ajaxexceptionhandler.AjaxExceptionHandlerVisitCallback 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.component.ajaxexceptionhandler;
import javax.faces.component.UIComponent;
import javax.faces.component.visit.VisitCallback;
import javax.faces.component.visit.VisitContext;
import javax.faces.component.visit.VisitResult;
import org.primefaces.util.ComponentUtils;
/**
* {@link VisitCallback} which collects all {@link AjaxExceptionHandler}s.
*/
public class AjaxExceptionHandlerVisitCallback implements VisitCallback {
private final Throwable throwable;
private AjaxExceptionHandler handler;
private AjaxExceptionHandler defaultHandler;
public AjaxExceptionHandlerVisitCallback(Throwable throwable) {
this.throwable = throwable;
this.handler = null;
this.defaultHandler = null;
}
public VisitResult visit(VisitContext context, UIComponent target) {;
if (target instanceof AjaxExceptionHandler) {
AjaxExceptionHandler currentHandler = (AjaxExceptionHandler) target;
if (ComponentUtils.isValueBlank(currentHandler.getType())) {
defaultHandler = currentHandler;
}
if (throwable.getClass().getName().equals(currentHandler.getType())) {
handler = currentHandler;
return VisitResult.COMPLETE;
}
}
return VisitResult.ACCEPT;
}
public AjaxExceptionHandler getHandler() {
return handler == null ? defaultHandler : handler;
}
}