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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
*
* http://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.eclipse.aether.util.graph.transformer;
import org.eclipse.aether.RepositoryException;
import org.eclipse.aether.collection.DependencyGraphTransformationContext;
import org.eclipse.aether.collection.DependencyGraphTransformer;
import org.eclipse.aether.graph.Dependency;
import org.eclipse.aether.graph.DependencyNode;
import org.eclipse.aether.util.artifact.JavaScopes;
import static java.util.Objects.requireNonNull;
/**
* A dependency graph transformer that refines the request context for nodes that belong to the "project" context by
* appending the classpath type to which the node belongs. For instance, a compile-time project dependency will be
* assigned the request context "project/compile".
*
* @see DependencyNode#getRequestContext()
*/
public final class JavaDependencyContextRefiner implements DependencyGraphTransformer {
public DependencyNode transformGraph(DependencyNode node, DependencyGraphTransformationContext context)
throws RepositoryException {
requireNonNull(node, "node cannot be null");
requireNonNull(context, "context cannot be null");
String ctx = node.getRequestContext();
if ("project".equals(ctx)) {
String scope = getClasspathScope(node);
if (scope != null) {
ctx += '/' + scope;
node.setRequestContext(ctx);
}
}
for (DependencyNode child : node.getChildren()) {
transformGraph(child, context);
}
return node;
}
private String getClasspathScope(DependencyNode node) {
Dependency dependency = node.getDependency();
if (dependency == null) {
return null;
}
String scope = dependency.getScope();
if (JavaScopes.COMPILE.equals(scope) || JavaScopes.SYSTEM.equals(scope) || JavaScopes.PROVIDED.equals(scope)) {
return JavaScopes.COMPILE;
} else if (JavaScopes.RUNTIME.equals(scope)) {
return JavaScopes.RUNTIME;
} else if (JavaScopes.TEST.equals(scope)) {
return JavaScopes.TEST;
}
return null;
}
}