/******************************************************************************* * 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 org.apache.ofbiz.base.conversion; import org.apache.ofbiz.base.util.ObjectType; /** Abstract Converter class. This class handles converter registration * and it implements the <code>canConvert</code>, <code>getSourceClass</code>, * and <code>getTargetClass</code> methods. */ public abstract class AbstractConverter<S, T> implements Converter<S, T>, ConverterLoader { private final Class<? super S> sourceClass; private final Class<? super T> targetClass; protected AbstractConverter(Class<? super S> sourceClass, Class<? super T> targetClass) { this.sourceClass = sourceClass; this.targetClass = targetClass; } public void loadConverters() { Converters.registerConverter(this); } public T convert(Class<? extends T> targetClass, S obj) throws ConversionException { return convert(obj); } public boolean canConvert(Class<?> sourceClass, Class<?> targetClass) { return ObjectType.instanceOf(sourceClass, this.getSourceClass()) && ObjectType.instanceOf(targetClass, this.getTargetClass()); } public Class<? super S> getSourceClass() { return sourceClass; } public Class<? super T> getTargetClass() { return targetClass; } }