spring FormatterPropertyEditorAdapter 源码
spring FormatterPropertyEditorAdapter 代码
文件路径：/spring-context/src/main/java/org/springframework/format/support/FormatterPropertyEditorAdapter.java
/*
* Copyright 2002-2016 the original author or authors.
*
* Licensed 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
*
* https://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.springframework.format.support;
import java.beans.PropertyEditor;
import java.beans.PropertyEditorSupport;
import org.springframework.context.i18n.LocaleContextHolder;
import org.springframework.format.Formatter;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
/**
* Adapter that bridges between {@link Formatter} and {@link PropertyEditor}.
*
* @author Juergen Hoeller
* @since 4.2
*/
public class FormatterPropertyEditorAdapter extends PropertyEditorSupport {
private final Formatter<Object> formatter;
/**
* Create a new {@code FormatterPropertyEditorAdapter} for the given {@link Formatter}.
* @param formatter the {@link Formatter} to wrap
*/
@SuppressWarnings("unchecked")
public FormatterPropertyEditorAdapter(Formatter<?> formatter) {
Assert.notNull(formatter, "Formatter must not be null");
this.formatter = (Formatter<Object>) formatter;
}
/**
* Determine the {@link Formatter}-declared field type.
* @return the field type declared in the wrapped {@link Formatter} implementation
* (never {@code null})
* @throws IllegalArgumentException if the {@link Formatter}-declared field type
* cannot be inferred
*/
public Class<?> getFieldType() {
return FormattingConversionService.getFieldType(this.formatter);
}
@Override
public void setAsText(String text) throws IllegalArgumentException {
if (StringUtils.hasText(text)) {
try {
setValue(this.formatter.parse(text, LocaleContextHolder.getLocale()));
}
catch (IllegalArgumentException ex) {
throw ex;
}
catch (Throwable ex) {
throw new IllegalArgumentException("Parse attempt failed for value [" + text + "]", ex);
}
}
else {
setValue(null);
}
}
@Override
public String getAsText() {
Object value = getValue();
return (value != null ? this.formatter.print(value, LocaleContextHolder.getLocale()) : "");
}
}
相关信息
相关文章
spring DefaultFormattingConversionService 源码
spring FormattingConversionService 源码
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
8、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦