blob: 6ffcb06b823f1ad32b21b478d457b2ac4b7e7c58 [file] [log] [blame]
package org.apache.maven.model.plugin;
/*
* 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.Collection;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;
import org.apache.maven.lifecycle.LifeCyclePluginAnalyzer;
import org.apache.maven.model.Build;
import org.apache.maven.model.Model;
import org.apache.maven.model.Plugin;
import org.apache.maven.model.PluginContainer;
import org.apache.maven.model.PluginExecution;
import org.apache.maven.model.PluginManagement;
import org.apache.maven.model.building.ModelBuildingRequest;
import org.apache.maven.model.building.ModelProblemCollector;
import org.apache.maven.model.building.ModelProblem.Severity;
import org.apache.maven.model.building.ModelProblem.Version;
import org.apache.maven.model.building.ModelProblemCollectorRequest;
import org.apache.maven.model.merge.MavenModelMerger;
/**
* Handles injection of plugin executions induced by the lifecycle bindings for a packaging.
*
* @author Benjamin Bentmann
*/
@Named
@Singleton
public class DefaultLifecycleBindingsInjector
implements LifecycleBindingsInjector
{
private LifecycleBindingsMerger merger = new LifecycleBindingsMerger();
@Inject
private LifeCyclePluginAnalyzer lifecycle;
public void injectLifecycleBindings( Model model, ModelBuildingRequest request, ModelProblemCollector problems )
{
String packaging = model.getPackaging();
Collection<Plugin> defaultPlugins = lifecycle.getPluginsBoundByDefaultToAllLifecycles( packaging );
if ( defaultPlugins == null )
{
problems.add( new ModelProblemCollectorRequest( Severity.ERROR, Version.BASE )
.setMessage( "Unknown packaging: " + packaging )
.setLocation( model.getLocation( "packaging" ) ) );
}
else if ( !defaultPlugins.isEmpty() )
{
Model lifecycleModel = new Model();
lifecycleModel.setBuild( new Build() );
lifecycleModel.getBuild().getPlugins().addAll( defaultPlugins );
merger.merge( model, lifecycleModel );
}
}
/**
* The domain-specific model merger for lifecycle bindings
*/
protected static class LifecycleBindingsMerger
extends MavenModelMerger
{
private static final String PLUGIN_MANAGEMENT = "plugin-management";
public void merge( Model target, Model source )
{
if ( target.getBuild() == null )
{
target.setBuild( new Build() );
}
Map<Object, Object> context =
Collections.<Object, Object>singletonMap( PLUGIN_MANAGEMENT, target.getBuild().getPluginManagement() );
mergePluginContainer_Plugins( target.getBuild(), source.getBuild(), false, context );
}
@SuppressWarnings( { "checkstyle:methodname" } )
@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> merged = new LinkedHashMap<>( ( src.size() + tgt.size() ) * 2 );
for ( Plugin element : tgt )
{
Object key = getPluginKey().apply( element );
merged.put( key, element );
}
Map<Object, Plugin> added = new LinkedHashMap<>();
for ( Plugin element : src )
{
Object key = getPluginKey().apply( element );
Plugin existing = merged.get( key );
if ( existing != null )
{
mergePlugin( existing, element, sourceDominant, context );
}
else
{
merged.put( key, element );
added.put( key, element );
}
}
if ( !added.isEmpty() )
{
PluginManagement pluginMgmt = (PluginManagement) context.get( PLUGIN_MANAGEMENT );
if ( pluginMgmt != null )
{
for ( Plugin managedPlugin : pluginMgmt.getPlugins() )
{
Object key = getPluginKey().apply( managedPlugin );
Plugin addedPlugin = added.get( key );
if ( addedPlugin != null )
{
Plugin plugin = managedPlugin.clone();
mergePlugin( plugin, addedPlugin, sourceDominant, Collections.emptyMap() );
merged.put( key, plugin );
}
}
}
}
List<Plugin> result = new ArrayList<>( merged.values() );
target.setPlugins( result );
}
}
@Override
protected void mergePluginExecution( PluginExecution target, PluginExecution source, boolean sourceDominant,
Map<Object, Object> context )
{
super.mergePluginExecution( target, source, sourceDominant, context );
target.setPriority( Math.min( target.getPriority(), source.getPriority() ) );
}
}
}