spring ClassPathDirectories 源码
springboot ClassPathDirectories 代码
文件路径:/spring-boot-project/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/classpath/ClassPathDirectories.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.devtools.classpath;
import java.io.File;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.core.log.LogMessage;
import org.springframework.util.ResourceUtils;
/**
* Provides access to entries on the classpath that refer to directories.
*
* @author Phillip Webb
* @since 2.3.0
*/
public class ClassPathDirectories implements Iterable<File> {
private static final Log logger = LogFactory.getLog(ClassPathDirectories.class);
private final List<File> directories = new ArrayList<>();
public ClassPathDirectories(URL[] urls) {
if (urls != null) {
addUrls(urls);
}
}
private void addUrls(URL[] urls) {
for (URL url : urls) {
addUrl(url);
}
}
private void addUrl(URL url) {
if (url.getProtocol().equals("file") && url.getPath().endsWith("/")) {
try {
this.directories.add(ResourceUtils.getFile(url));
}
catch (Exception ex) {
logger.warn(LogMessage.format("Unable to get classpath URL %s", url));
logger.trace(LogMessage.format("Unable to get classpath URL %s", url), ex);
}
}
}
@Override
public Iterator<File> iterator() {
return Collections.unmodifiableList(this.directories).iterator();
}
}
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- 本文标签: Java Spring Spring Boot
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