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buildSrc/src/main/java/org/springframework/boot/build/bom/ManagedDependencies.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| /* | ||
| * Copyright 2012-2024 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. | ||
| */ | ||
|
|
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| package org.springframework.boot.build.bom; | ||
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| import java.io.File; | ||
| import java.io.FileReader; | ||
| import java.util.HashMap; | ||
| import java.util.HashSet; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
|
|
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| import javax.xml.parsers.DocumentBuilderFactory; | ||
| import javax.xml.xpath.XPath; | ||
| import javax.xml.xpath.XPathConstants; | ||
| import javax.xml.xpath.XPathFactory; | ||
|
|
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| import org.w3c.dom.Document; | ||
| import org.w3c.dom.Node; | ||
| import org.w3c.dom.NodeList; | ||
| import org.xml.sax.InputSource; | ||
|
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| import org.springframework.boot.build.bom.Library.Group; | ||
| import org.springframework.boot.build.bom.Library.Module; | ||
|
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| /** | ||
| * Managed dependencies from a bom or library. | ||
| * | ||
| * @author Andy Wilkinson | ||
| */ | ||
| class ManagedDependencies { | ||
|
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| private final Set<String> ids; | ||
|
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| ManagedDependencies(Set<String> ids) { | ||
| this.ids = ids; | ||
| } | ||
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| Set<String> getIds() { | ||
| return this.ids; | ||
| } | ||
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| Difference diff(ManagedDependencies other) { | ||
| Set<String> missing = new HashSet<>(this.ids); | ||
| missing.removeAll(other.ids); | ||
| Set<String> unexpected = new HashSet<>(other.ids); | ||
| unexpected.removeAll(this.ids); | ||
| return new Difference(missing, unexpected); | ||
| } | ||
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| static ManagedDependencies ofBom(File bom) { | ||
| try { | ||
| Document bomDocument = DocumentBuilderFactory.newInstance() | ||
| .newDocumentBuilder() | ||
| .parse(new InputSource(new FileReader(bom))); | ||
| XPath xpath = XPathFactory.newInstance().newXPath(); | ||
| NodeList dependencyNodes = (NodeList) xpath | ||
| .evaluate("/project/dependencyManagement/dependencies/dependency", bomDocument, XPathConstants.NODESET); | ||
| NodeList propertyNodes = (NodeList) xpath.evaluate("/project/properties/*", bomDocument, | ||
| XPathConstants.NODESET); | ||
| Map<String, String> properties = new HashMap<>(); | ||
| for (int i = 0; i < propertyNodes.getLength(); i++) { | ||
| Node property = propertyNodes.item(i); | ||
| String name = property.getNodeName(); | ||
| String value = property.getTextContent(); | ||
| properties.put("${%s}".formatted(name), value); | ||
| } | ||
| Set<String> managedDependencies = new HashSet<>(); | ||
| for (int i = 0; i < dependencyNodes.getLength(); i++) { | ||
| Node dependency = dependencyNodes.item(i); | ||
| String groupId = (String) xpath.evaluate("groupId/text()", dependency, XPathConstants.STRING); | ||
| String artifactId = (String) xpath.evaluate("artifactId/text()", dependency, XPathConstants.STRING); | ||
| String version = (String) xpath.evaluate("version/text()", dependency, XPathConstants.STRING); | ||
| String classifier = (String) xpath.evaluate("classifier/text()", dependency, XPathConstants.STRING); | ||
| if (version.startsWith("${") && version.endsWith("}")) { | ||
| version = properties.get(version); | ||
| } | ||
| managedDependencies.add(asId(groupId, artifactId, version, classifier)); | ||
| } | ||
| return new ManagedDependencies(managedDependencies); | ||
| } | ||
| catch (Exception ex) { | ||
| throw new RuntimeException(ex); | ||
| } | ||
| } | ||
|
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| static String asId(String groupId, String artifactId, String version, String classifier) { | ||
| String id = groupId + ":" + artifactId + ":" + version; | ||
| if (classifier != null && classifier.length() > 0) { | ||
| id = id + ":" + classifier; | ||
| } | ||
| return id; | ||
| } | ||
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| static ManagedDependencies ofLibrary(Library library) { | ||
| Set<String> managedByLibrary = new HashSet<>(); | ||
| for (Group group : library.getGroups()) { | ||
| for (Module module : group.getModules()) { | ||
| managedByLibrary.add(asId(group.getId(), module.getName(), library.getVersion().getVersion().toString(), | ||
| module.getClassifier())); | ||
| } | ||
| } | ||
| return new ManagedDependencies(managedByLibrary); | ||
| } | ||
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| record Difference(Set<String> missing, Set<String> unexpected) { | ||
|
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| boolean isEmpty() { | ||
| return this.missing.isEmpty() && this.unexpected.isEmpty(); | ||
| } | ||
|
|
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| } | ||
|
|
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| } |
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