package org.apache.commons.digester3.annotations.handlers;
/*
* 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.
*/
import java.lang.reflect.AnnotatedElement;
import java.lang.reflect.Constructor;
import org.apache.commons.digester3.annotations.AnnotationHandler;
import org.apache.commons.digester3.annotations.rules.ObjectCreate;
import org.apache.commons.digester3.binder.ObjectCreateBuilder;
import org.apache.commons.digester3.binder.RulesBinder;
/**
* {@link ObjectCreateHandler} handler.
*
* @since 3.0
*/
public final class ObjectCreateHandler
implements AnnotationHandler<ObjectCreate, AnnotatedElement>
{
/**
* {@inheritDoc}
*/
public void handle( ObjectCreate annotation, AnnotatedElement element, RulesBinder rulesBinder )
{
Class<?> type = null;
if ( element instanceof Class<?> )
{
type = (Class<?>) element;
}
else if ( element instanceof Constructor<?> )
{
type = ( (Constructor<?>) element ).getDeclaringClass();
}
else
{
rulesBinder.addError( "Misplaced @ObjectCreate annotation to %s, Class and Constructor only supported",
element );
return;
}
ObjectCreateBuilder builder = rulesBinder
.forPattern( annotation.pattern() )
.withNamespaceURI( annotation.namespaceURI() )
.createObject()
.ofType( type )
.ofTypeSpecifiedByAttribute( annotation.attributeName() != null ? annotation.attributeName() : null );
if ( element instanceof Constructor<?> )
{
Constructor<?> method = (Constructor<?>) element;
builder.usingConstructor( method.getParameterTypes() );
}
}
}