| /******************************************************************************* |
| * 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; |
| } |
| } |