01 /*
02 * Copyright 2008-2015 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.core.editors;
17
18 import griffon.core.formatters.DoubleFormatter;
19 import griffon.core.formatters.Formatter;
20
21 import static griffon.util.GriffonNameUtils.isBlank;
22
23 /**
24 * @author Andres Almiray
25 * @since 2.0.0
26 */
27 public class DoublePropertyEditor extends AbstractPropertyEditor {
28 protected void setValueInternal(Object value) {
29 if (null == value) {
30 super.setValueInternal(null);
31 } else if (value instanceof CharSequence) {
32 handleAsString(String.valueOf(value));
33 } else if (value instanceof Number) {
34 handleAsNumber((Number) value);
35 } else {
36 throw illegalValue(value, Double.class);
37 }
38 }
39
40 private void handleAsString(String str) {
41 try {
42 super.setValueInternal(isBlank(str) ? null : Double.parseDouble(str));
43 } catch (NumberFormatException e) {
44 throw illegalValue(str, Double.class, e);
45 }
46 }
47
48 private void handleAsNumber(Number number) {
49 super.setValueInternal(number.doubleValue());
50 }
51
52 protected Formatter<Double> resolveFormatter() {
53 return isBlank(getFormat()) ? null : new DoubleFormatter(getFormat());
54 }
55 }
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