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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 com.example;
import java.util.Objects;
import org.apache.maven.AbstractMavenLifecycleParticipant;
import org.apache.maven.MavenExecutionException;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.execution.ProjectDependencyGraph;
import org.apache.maven.graph.GraphBuilder;
import org.apache.maven.model.building.ModelProblem;
import org.apache.maven.model.building.Result;
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.component.annotations.Requirement;
@Component(role = AbstractMavenLifecycleParticipant.class)
public class BuildExtensionUsingGraphPackage extends AbstractMavenLifecycleParticipant {
@Requirement(hint = GraphBuilder.HINT)
private GraphBuilder graphBuilder;
@Override
public void afterProjectsRead(final MavenSession session) throws MavenExecutionException {
Objects.requireNonNull(graphBuilder, "graphBuilder should be available in build extension");
Result<? extends ProjectDependencyGraph> graphResult = graphBuilder.build(session);
Objects.requireNonNull(graphResult, "graphResult should have been built");
for (ModelProblem problem : graphResult.getProblems()) {
if (problem.getSeverity() == ModelProblem.Severity.WARNING) {
throw new IllegalStateException("unexpected WARNING found: " + problem);
} else {
throw new IllegalStateException("unexpected Problem found: " + problem);
}
}
}
}