1 /*
2 * Copyright 2011 the original author or authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.modelmapper.internal.converter;
17
18 import org.modelmapper.spi.ConditionalConverter;
19 import org.modelmapper.spi.MappingContext;
20
21 /**
22 * Converts to {@link Character} instances.
23 *
24 * @author Jonathan Halterman
25 */
26 class CharacterConverter implements ConditionalConverter<Object, Character> {
27 public Character convert(MappingContext<Object, Character> context) {
28 Object source = context.getSource();
29 if (source == null)
30 return null;
31
32 String stringValue = source.toString();
33 if (stringValue.length() == 0)
34 return null;
35 return Character.valueOf(stringValue.charAt(0));
36 }
37
38 public MatchResult match(Class<?> sourceType, Class<?> destinationType) {
39 boolean destMatch = destinationType == Character.class || destinationType == Character.TYPE;
40 return destMatch ? sourceType == Character.class || sourceType == Character.TYPE ? MatchResult.FULL
41 : MatchResult.PARTIAL
42 : MatchResult.NONE;
43 }
44 }