maven-core/src/main/java/org/apache/maven/lifecycle/internal/LifecyclePluginResolver.java

/*
 * 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.apache.maven.lifecycle.internal;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import java.util.HashMap;
import java.util.Map;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.model.Plugin;
import org.apache.maven.model.PluginManagement;
import org.apache.maven.plugin.version.DefaultPluginVersionRequest;
import org.apache.maven.plugin.version.PluginVersionRequest;
import org.apache.maven.plugin.version.PluginVersionResolutionException;
import org.apache.maven.plugin.version.PluginVersionResolver;
import org.apache.maven.project.MavenProject;

/**
 * <strong>NOTE:</strong> This class is not part of any public api and can be changed or deleted without prior notice.
 * @since 3.0
 */
@Named
@Singleton
public class LifecyclePluginResolver {
    private final PluginVersionResolver pluginVersionResolver;

    @Inject
    public LifecyclePluginResolver(PluginVersionResolver pluginVersionResolver) {
        this.pluginVersionResolver = pluginVersionResolver;
    }

    public void resolveMissingPluginVersions(MavenProject project, MavenSession session)
            throws PluginVersionResolutionException {
        Map<String, String> versions = new HashMap<>(64);

        for (Plugin plugin : project.getBuildPlugins()) {
            if (plugin.getVersion() == null) {
                PluginVersionRequest request = new DefaultPluginVersionRequest(
                        plugin, session.getRepositorySession(), project.getRemotePluginRepositories());
                plugin.setVersion(pluginVersionResolver.resolve(request).getVersion());
            }
            versions.put(plugin.getKey(), plugin.getVersion());
        }

        PluginManagement pluginManagement = project.getPluginManagement();
        if (pluginManagement != null) {
            for (Plugin plugin : pluginManagement.getPlugins()) {
                if (plugin.getVersion() == null) {
                    plugin.setVersion(versions.get(plugin.getKey()));
                    if (plugin.getVersion() == null) {
                        PluginVersionRequest request = new DefaultPluginVersionRequest(
                                plugin, session.getRepositorySession(), project.getRemotePluginRepositories());
                        plugin.setVersion(pluginVersionResolver.resolve(request).getVersion());
                    }
                }
            }
        }
    }
}