spring PatternEditor 源码
spring PatternEditor 代码
文件路径：/spring-beans/src/main/java/org/springframework/beans/propertyeditors/PatternEditor.java
/*
* Copyright 2002-2017 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.beans.propertyeditors;
import java.beans.PropertyEditorSupport;
import java.util.regex.Pattern;
import org.springframework.lang.Nullable;
/**
* Editor for {@code java.util.regex.Pattern}, to directly populate a Pattern property.
* Expects the same syntax as Pattern's {@code compile} method.
*
* @author Juergen Hoeller
* @since 2.0.1
* @see java.util.regex.Pattern
* @see java.util.regex.Pattern#compile(String)
*/
public class PatternEditor extends PropertyEditorSupport {
private final int flags;
/**
* Create a new PatternEditor with default settings.
*/
public PatternEditor() {
this.flags = 0;
}
/**
* Create a new PatternEditor with the given settings.
* @param flags the {@code java.util.regex.Pattern} flags to apply
* @see java.util.regex.Pattern#compile(String, int)
* @see java.util.regex.Pattern#CASE_INSENSITIVE
* @see java.util.regex.Pattern#MULTILINE
* @see java.util.regex.Pattern#DOTALL
* @see java.util.regex.Pattern#UNICODE_CASE
* @see java.util.regex.Pattern#CANON_EQ
*/
public PatternEditor(int flags) {
this.flags = flags;
}
@Override
public void setAsText(@Nullable String text) {
setValue(text != null ? Pattern.compile(text, this.flags) : null);
}
@Override
public String getAsText() {
Pattern value = (Pattern) getValue();
return (value != null ? value.pattern() : "");
}
}
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