01 /*
02 * Copyright 2008-2017 the original author or authors.
03 *
04 * Licensed under the Apache License, Version 2.0 (the "License");
05 * you may not use this file except in compliance with the License.
06 * You may obtain a copy of the License at
07 *
08 * http://www.apache.org/licenses/LICENSE-2.0
09 *
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 griffon.javafx.util;
17
18 import javax.annotation.Nonnull;
19 import java.util.function.Function;
20
21 import static java.util.Objects.requireNonNull;
22
23 /**
24 * @author Andres Almiray
25 * @since 2.11.0
26 */
27 public class ToStringOnlyStringConverter<T> extends StringConverterAdapter<T> {
28 private final Function<T, String> converter;
29
30 public ToStringOnlyStringConverter() {
31 this(t -> t == null ? "" : String.valueOf(t));
32 }
33
34 public ToStringOnlyStringConverter(@Nonnull Function<T, String> converter) {
35 this.converter = requireNonNull(converter, "Argument 'converter' must not be null");
36 }
37
38 @Override
39 public String toString(T object) {
40 return converter.apply(object);
41 }
42 }
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