Andy Wilkinson
9 months ago
4 changed files with 68 additions and 158 deletions
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/* |
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* Copyright 2012-2024 the original author or authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* https://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.springframework.boot.build.bom; |
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import java.io.File; |
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import java.io.FileReader; |
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import java.util.HashMap; |
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import java.util.HashSet; |
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import java.util.Map; |
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import java.util.Set; |
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import javax.xml.parsers.DocumentBuilderFactory; |
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import javax.xml.xpath.XPath; |
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import javax.xml.xpath.XPathConstants; |
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import javax.xml.xpath.XPathFactory; |
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import org.w3c.dom.Document; |
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import org.w3c.dom.Node; |
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import org.w3c.dom.NodeList; |
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import org.xml.sax.InputSource; |
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import org.springframework.boot.build.bom.Library.Group; |
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import org.springframework.boot.build.bom.Library.Module; |
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/** |
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* Managed dependencies from a bom or library. |
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* |
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* @author Andy Wilkinson |
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*/ |
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class ManagedDependencies { |
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private final Set<String> ids; |
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ManagedDependencies(Set<String> ids) { |
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this.ids = ids; |
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} |
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Set<String> getIds() { |
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return this.ids; |
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} |
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Difference diff(ManagedDependencies other) { |
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Set<String> missing = new HashSet<>(this.ids); |
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missing.removeAll(other.ids); |
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Set<String> unexpected = new HashSet<>(other.ids); |
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unexpected.removeAll(this.ids); |
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return new Difference(missing, unexpected); |
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} |
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static ManagedDependencies ofBom(File bom) { |
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try { |
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Document bomDocument = DocumentBuilderFactory.newInstance() |
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.newDocumentBuilder() |
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.parse(new InputSource(new FileReader(bom))); |
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XPath xpath = XPathFactory.newInstance().newXPath(); |
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NodeList dependencyNodes = (NodeList) xpath |
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.evaluate("/project/dependencyManagement/dependencies/dependency", bomDocument, XPathConstants.NODESET); |
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NodeList propertyNodes = (NodeList) xpath.evaluate("/project/properties/*", bomDocument, |
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XPathConstants.NODESET); |
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Map<String, String> properties = new HashMap<>(); |
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for (int i = 0; i < propertyNodes.getLength(); i++) { |
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Node property = propertyNodes.item(i); |
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String name = property.getNodeName(); |
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String value = property.getTextContent(); |
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properties.put("${%s}".formatted(name), value); |
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} |
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Set<String> managedDependencies = new HashSet<>(); |
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for (int i = 0; i < dependencyNodes.getLength(); i++) { |
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Node dependency = dependencyNodes.item(i); |
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String groupId = (String) xpath.evaluate("groupId/text()", dependency, XPathConstants.STRING); |
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String artifactId = (String) xpath.evaluate("artifactId/text()", dependency, XPathConstants.STRING); |
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String version = (String) xpath.evaluate("version/text()", dependency, XPathConstants.STRING); |
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String classifier = (String) xpath.evaluate("classifier/text()", dependency, XPathConstants.STRING); |
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if (version.startsWith("${") && version.endsWith("}")) { |
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version = properties.get(version); |
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} |
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managedDependencies.add(asId(groupId, artifactId, version, classifier)); |
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} |
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return new ManagedDependencies(managedDependencies); |
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} |
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catch (Exception ex) { |
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throw new RuntimeException(ex); |
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} |
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} |
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static String asId(String groupId, String artifactId, String version, String classifier) { |
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String id = groupId + ":" + artifactId + ":" + version; |
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if (classifier != null && classifier.length() > 0) { |
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id = id + ":" + classifier; |
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} |
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return id; |
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} |
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static ManagedDependencies ofLibrary(Library library) { |
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Set<String> managedByLibrary = new HashSet<>(); |
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for (Group group : library.getGroups()) { |
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for (Module module : group.getModules()) { |
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managedByLibrary.add(asId(group.getId(), module.getName(), library.getVersion().getVersion().toString(), |
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module.getClassifier())); |
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} |
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} |
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return new ManagedDependencies(managedByLibrary); |
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} |
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record Difference(Set<String> missing, Set<String> unexpected) { |
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boolean isEmpty() { |
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return this.missing.isEmpty() && this.unexpected.isEmpty(); |
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} |
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} |
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} |
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