maven-model-builder/src/main/java/org/apache/maven/model/building/FileToRawModelMerger.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.model.building;

import java.util.Iterator;
import java.util.Map;
import java.util.stream.Collectors;

import org.apache.maven.api.model.Build;
import org.apache.maven.api.model.BuildBase;
import org.apache.maven.api.model.CiManagement;
import org.apache.maven.api.model.Dependency;
import org.apache.maven.api.model.DependencyManagement;
import org.apache.maven.api.model.Model;
import org.apache.maven.api.model.ModelBase;
import org.apache.maven.api.model.Plugin;
import org.apache.maven.api.model.PluginContainer;
import org.apache.maven.api.model.Profile;
import org.apache.maven.api.model.ReportPlugin;
import org.apache.maven.api.model.Reporting;
import org.apache.maven.model.v4.MavenMerger;

/**
 * As long as Maven controls the BuildPomXMLFilter, the entities that need merging are known.
 * All others can simply be copied from source to target to restore the locationTracker
 *
 * @since 4.0.0
 */
class FileToRawModelMerger extends MavenMerger {

    @Override
    protected void mergeBuild_Extensions(
            Build.Builder builder, Build target, Build source, boolean sourceDominant, Map<Object, Object> context) {
        // don't merge
    }

    @Override
    protected void mergeBuildBase_Resources(
            BuildBase.Builder builder,
            BuildBase target,
            BuildBase source,
            boolean sourceDominant,
            Map<Object, Object> context) {
        // don't merge
    }

    @Override
    protected void mergeBuildBase_TestResources(
            BuildBase.Builder builder,
            BuildBase target,
            BuildBase source,
            boolean sourceDominant,
            Map<Object, Object> context) {
        // don't merge
    }

    @Override
    protected void mergeCiManagement_Notifiers(
            CiManagement.Builder builder,
            CiManagement target,
            CiManagement source,
            boolean sourceDominant,
            Map<Object, Object> context) {
        // don't merge
    }

    @Override
    protected void mergeDependencyManagement_Dependencies(
            DependencyManagement.Builder builder,
            DependencyManagement target,
            DependencyManagement source,
            boolean sourceDominant,
            Map<Object, Object> context) {
        Iterator<Dependency> sourceIterator = source.getDependencies().iterator();
        builder.dependencies(target.getDependencies().stream()
                .map(d -> mergeDependency(d, sourceIterator.next(), sourceDominant, context))
                .collect(Collectors.toList()));
    }

    @Override
    protected void mergeDependency_Exclusions(
            Dependency.Builder builder,
            Dependency target,
            Dependency source,
            boolean sourceDominant,
            Map<Object, Object> context) {
        // don't merge
    }

    @Override
    protected void mergeModel_Contributors(
            Model.Builder builder, Model target, Model source, boolean sourceDominant, Map<Object, Object> context) {
        // don't merge
    }

    @Override
    protected void mergeModel_Developers(
            Model.Builder builder, Model target, Model source, boolean sourceDominant, Map<Object, Object> context) {
        // don't merge
    }

    @Override
    protected void mergeModel_Licenses(
            Model.Builder builder, Model target, Model source, boolean sourceDominant, Map<Object, Object> context) {
        // don't merge
    }

    @Override
    protected void mergeModel_MailingLists(
            Model.Builder builder, Model target, Model source, boolean sourceDominant, Map<Object, Object> context) {
        // don't merge
    }

    @Override
    protected void mergeModel_Profiles(
            Model.Builder builder, Model target, Model source, boolean sourceDominant, Map<Object, Object> context) {
        Iterator<Profile> sourceIterator = source.getProfiles().iterator();
        builder.profiles(target.getProfiles().stream()
                .map(d -> mergeProfile(d, sourceIterator.next(), sourceDominant, context))
                .collect(Collectors.toList()));
    }

    @Override
    protected void mergeModelBase_Dependencies(
            ModelBase.Builder builder,
            ModelBase target,
            ModelBase source,
            boolean sourceDominant,
            Map<Object, Object> context) {
        Iterator<Dependency> sourceIterator = source.getDependencies().iterator();
        builder.dependencies(target.getDependencies().stream()
                .map(d -> mergeDependency(d, sourceIterator.next(), sourceDominant, context))
                .collect(Collectors.toList()));
    }

    @Override
    protected void mergeModelBase_PluginRepositories(
            ModelBase.Builder builder,
            ModelBase target,
            ModelBase source,
            boolean sourceDominant,
            Map<Object, Object> context) {
        builder.pluginRepositories(source.getPluginRepositories());
    }

    @Override
    protected void mergeModelBase_Repositories(
            ModelBase.Builder builder,
            ModelBase target,
            ModelBase source,
            boolean sourceDominant,
            Map<Object, Object> context) {
        // don't merge
    }

    @Override
    protected void mergePlugin_Dependencies(
            Plugin.Builder builder, Plugin target, Plugin source, boolean sourceDominant, Map<Object, Object> context) {
        Iterator<Dependency> sourceIterator = source.getDependencies().iterator();
        builder.dependencies(target.getDependencies().stream()
                .map(d -> mergeDependency(d, sourceIterator.next(), sourceDominant, context))
                .collect(Collectors.toList()));
    }

    @Override
    protected void mergePlugin_Executions(
            Plugin.Builder builder, Plugin target, Plugin source, boolean sourceDominant, Map<Object, Object> context) {
        // don't merge
    }

    @Override
    protected void mergeReporting_Plugins(
            Reporting.Builder builder,
            Reporting target,
            Reporting source,
            boolean sourceDominant,
            Map<Object, Object> context) {
        // don't merge
    }

    @Override
    protected void mergeReportPlugin_ReportSets(
            ReportPlugin.Builder builder,
            ReportPlugin target,
            ReportPlugin source,
            boolean sourceDominant,
            Map<Object, Object> context) {
        // don't merge
    }

    @Override
    protected void mergePluginContainer_Plugins(
            PluginContainer.Builder builder,
            PluginContainer target,
            PluginContainer source,
            boolean sourceDominant,
            Map<Object, Object> context) {
        // don't merge
    }
}