spring BuildpackReference 源码
springboot BuildpackReference 代码
文件路径：/spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/build/BuildpackReference.java
/*
* Copyright 2012-2021 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.buildpack.platform.build;
import java.net.MalformedURLException;
import java.net.URL;
import java.nio.file.Path;
import java.nio.file.Paths;
import org.springframework.util.Assert;
/**
* An opaque reference to a {@link Buildpack}.
*
* @author Phillip Webb
* @author Scott Frederick
* @since 2.5.0
* @see BuildpackResolver
*/
public final class BuildpackReference {
private final String value;
private BuildpackReference(String value) {
this.value = value;
}
boolean hasPrefix(String prefix) {
return this.value.startsWith(prefix);
}
String getSubReference(String prefix) {
return this.value.startsWith(prefix) ? this.value.substring(prefix.length()) : null;
}
Path asPath() {
try {
URL url = new URL(this.value);
if (url.getProtocol().equals("file")) {
return Paths.get(url.getPath());
}
return null;
}
catch (MalformedURLException ex) {
// not a URL, fall through to attempting to find a plain file path
}
try {
return Paths.get(this.value);
}
catch (Exception ex) {
return null;
}
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null || getClass() != obj.getClass()) {
return false;
}
return this.value.equals(((BuildpackReference) obj).value);
}
@Override
public int hashCode() {
return this.value.hashCode();
}
@Override
public String toString() {
return this.value;
}
/**
* Create a new {@link BuildpackReference} from the given value.
* @param value the value to use
* @return a new {@link BuildpackReference}
*/
public static BuildpackReference of(String value) {
Assert.hasText(value, "Value must not be empty");
return new BuildpackReference(value);
}
}
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- 所属分类： 后端技术
- 本文标签： Java Spring Spring Boot
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