Java tutorial
package org.apache.maven.model.profile; /* * 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. */ import java.util.ArrayList; import java.util.Collections; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; import javax.inject.Named; import javax.inject.Singleton; import org.apache.maven.model.Build; import org.apache.maven.model.BuildBase; import org.apache.maven.model.Model; import org.apache.maven.model.ModelBase; import org.apache.maven.model.Plugin; import org.apache.maven.model.PluginContainer; import org.apache.maven.model.PluginExecution; import org.apache.maven.model.Profile; import org.apache.maven.model.ReportPlugin; import org.apache.maven.model.ReportSet; import org.apache.maven.model.Reporting; import org.apache.maven.model.building.ModelBuildingRequest; import org.apache.maven.model.building.ModelProblemCollector; import org.apache.maven.model.merge.MavenModelMerger; /** * Handles profile injection into the model. * * @author Benjamin Bentmann */ @Named @Singleton @SuppressWarnings({ "checkstyle:methodname" }) public class DefaultProfileInjector implements ProfileInjector { private ProfileModelMerger merger = new ProfileModelMerger(); @Override public void injectProfile(Model model, Profile profile, ModelBuildingRequest request, ModelProblemCollector problems) { if (profile != null) { merger.mergeModelBase(model, profile); if (profile.getBuild() != null) { if (model.getBuild() == null) { model.setBuild(new Build()); } merger.mergeBuildBase(model.getBuild(), profile.getBuild()); } } } /** * ProfileModelMerger */ protected static class ProfileModelMerger extends MavenModelMerger { public void mergeModelBase(ModelBase target, ModelBase source) { mergeModelBase(target, source, true, Collections.emptyMap()); } public void mergeBuildBase(BuildBase target, BuildBase source) { mergeBuildBase(target, source, true, Collections.emptyMap()); } @Override protected void mergePluginContainer_Plugins(PluginContainer target, PluginContainer source, boolean sourceDominant, Map<Object, Object> context) { List<Plugin> src = source.getPlugins(); if (!src.isEmpty()) { List<Plugin> tgt = target.getPlugins(); Map<Object, Plugin> master = new LinkedHashMap<>(tgt.size() * 2); for (Plugin element : tgt) { Object key = getPluginKey(element); master.put(key, element); } Map<Object, List<Plugin>> predecessors = new LinkedHashMap<>(); List<Plugin> pending = new ArrayList<>(); for (Plugin element : src) { Object key = getPluginKey(element); Plugin existing = master.get(key); if (existing != null) { mergePlugin(existing, element, sourceDominant, context); if (!pending.isEmpty()) { predecessors.put(key, pending); pending = new ArrayList<>(); } } else { pending.add(element); } } List<Plugin> result = new ArrayList<>(src.size() + tgt.size()); for (Map.Entry<Object, Plugin> entry : master.entrySet()) { List<Plugin> pre = predecessors.get(entry.getKey()); if (pre != null) { result.addAll(pre); } result.add(entry.getValue()); } result.addAll(pending); target.setPlugins(result); } } @Override protected void mergePlugin_Executions(Plugin target, Plugin source, boolean sourceDominant, Map<Object, Object> context) { List<PluginExecution> src = source.getExecutions(); if (!src.isEmpty()) { List<PluginExecution> tgt = target.getExecutions(); Map<Object, PluginExecution> merged = new LinkedHashMap<>((src.size() + tgt.size()) * 2); for (PluginExecution element : tgt) { Object key = getPluginExecutionKey(element); merged.put(key, element); } for (PluginExecution element : src) { Object key = getPluginExecutionKey(element); PluginExecution existing = merged.get(key); if (existing != null) { mergePluginExecution(existing, element, sourceDominant, context); } else { merged.put(key, element); } } target.setExecutions(new ArrayList<>(merged.values())); } } @Override protected void mergeReporting_Plugins(Reporting target, Reporting source, boolean sourceDominant, Map<Object, Object> context) { List<ReportPlugin> src = source.getPlugins(); if (!src.isEmpty()) { List<ReportPlugin> tgt = target.getPlugins(); Map<Object, ReportPlugin> merged = new LinkedHashMap<>((src.size() + tgt.size()) * 2); for (ReportPlugin element : tgt) { Object key = getReportPluginKey(element); merged.put(key, element); } for (ReportPlugin element : src) { Object key = getReportPluginKey(element); ReportPlugin existing = merged.get(key); if (existing == null) { merged.put(key, element); } else { mergeReportPlugin(existing, element, sourceDominant, context); } } target.setPlugins(new ArrayList<>(merged.values())); } } @Override protected void mergeReportPlugin_ReportSets(ReportPlugin target, ReportPlugin source, boolean sourceDominant, Map<Object, Object> context) { List<ReportSet> src = source.getReportSets(); if (!src.isEmpty()) { List<ReportSet> tgt = target.getReportSets(); Map<Object, ReportSet> merged = new LinkedHashMap<>((src.size() + tgt.size()) * 2); for (ReportSet element : tgt) { Object key = getReportSetKey(element); merged.put(key, element); } for (ReportSet element : src) { Object key = getReportSetKey(element); ReportSet existing = merged.get(key); if (existing != null) { mergeReportSet(existing, element, sourceDominant, context); } else { merged.put(key, element); } } target.setReportSets(new ArrayList<>(merged.values())); } } } }