1 /*******************************************************************************
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 *******************************************************************************/
19 package org.apache.commons.convert;
20
21 /**
22 * Abstract converter class. This class handles converter registration
23 * and it implements some of the <code>Converter</code> methods.
24 */
25 public abstract class AbstractConverter<S, T> implements Converter<S, T>, ConverterLoader {
26 private final Class<? super S> sourceClass;
27 private final Class<? super T> targetClass;
28
29 protected AbstractConverter(Class<? super S> sourceClass, Class<? super T> targetClass) {
30 this.sourceClass = sourceClass;
31 this.targetClass = targetClass;
32 }
33
34 public void loadConverters() {
35 Converters.registerConverter(this);
36 }
37
38 public boolean canConvert(Class<?> sourceClass, Class<?> targetClass) {
39 return Util.instanceOf(sourceClass, this.getSourceClass()) && Util.instanceOf(targetClass, this.getTargetClass());
40 }
41
42 public Class<? super S> getSourceClass() {
43 return sourceClass;
44 }
45
46 public Class<? super T> getTargetClass() {
47 return targetClass;
48 }
49 }