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/**
*
* 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 com.agfa.hap.sdo.mapper;
import com.agfa.hap.sdo.Property;
import com.agfa.hap.sdo.Type;
/**
* Factory class to build a map containing all {@link PropertyAccessor} instances for a given class.
* @author AMOCZ
*/
public abstract class PropertyAccessorBuilder {
public PropertyAccessorBuilder() {
this(null);
}
public PropertyAccessorBuilder(PropertyAccessorBuilder next) {
this.next = next;
}
public PropertyAccessor[] buildMap(Class cls, Type type) {
if (!accepts(cls, type)) {
return next == null ? null : next.buildMap(cls, type);
}
PropertyAccessor[] result = new PropertyAccessor[type.getProperties().size()];
for (Property prop : type.getProperties()) {
PropertyAccessor property = createPropertyAccessor(cls, prop);
result[prop.getIndex()] = property;
}
return result;
}
/**
* @return If this propertyAccessorBuilder can create propertyAccessors for this class/type
* combination.
*/
protected abstract boolean accepts(Class cls, Type type);
protected abstract PropertyAccessor createPropertyAccessor(Class cls, Property property);
protected PropertyAccessorBuilder next;
public PropertyAccessor createPropertyAccessorOrDelegate(Class cls, Property property){
if (this.accepts(cls, property.getContainingType())){
return this.createPropertyAccessor(cls, property);
} else {
if (next == null){
return null;
}
return next.createPropertyAccessor(cls, property);
}
}
}
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