spring LibraryContentFilter 源码
springboot LibraryContentFilter 代码
文件路径：/spring-boot-project/spring-boot-tools/spring-boot-loader-tools/src/main/java/org/springframework/boot/loader/tools/layer/LibraryContentFilter.java
/*
* Copyright 2012-2020 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.boot.loader.tools.layer;
import java.util.regex.Pattern;
import org.springframework.boot.loader.tools.Library;
import org.springframework.boot.loader.tools.LibraryCoordinates;
import org.springframework.util.Assert;
/**
* {@link ContentFilter} that matches {@link Library} items based on a coordinates
* pattern.
*
* @author Madhura Bhave
* @author Scott Frederick
* @author Phillip Webb
* @since 2.3.0
*/
public class LibraryContentFilter implements ContentFilter<Library> {
private final Pattern pattern;
public LibraryContentFilter(String coordinatesPattern) {
Assert.hasText(coordinatesPattern, "CoordinatesPattern must not be empty");
StringBuilder regex = new StringBuilder();
for (int i = 0; i < coordinatesPattern.length(); i++) {
char c = coordinatesPattern.charAt(i);
if (c == '.') {
regex.append("\\.");
}
else if (c == '*') {
regex.append(".*");
}
else {
regex.append(c);
}
}
this.pattern = Pattern.compile(regex.toString());
}
@Override
public boolean matches(Library library) {
return this.pattern.matcher(LibraryCoordinates.toStandardNotationString(library.getCoordinates())).matches();
}
}
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- 所属分类： 后端技术
- 本文标签： Java Spring Spring Boot
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