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package org.apache.maven.lifecycle;
/*
* 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.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.maven.lifecycle.internal.ExecutionPlanItem;
import org.apache.maven.model.Plugin;
import org.apache.maven.plugin.MojoExecution;
import org.apache.maven.plugin.descriptor.MojoDescriptor;
//TODO: lifecycles being executed
//TODO: what runs in each phase
//TODO: plugins that need downloading
//TODO: project dependencies that need downloading
//TODO: unfortunately the plugins need to be downloaded in order to get the plugin.xml file. need to externalize this
// from the plugin archive.
//TODO: this will be the class that people get in IDEs to modify
public class MavenExecutionPlan
implements Iterable<ExecutionPlanItem>
{
/*
At the moment, this class is totally immutable, and this is in line with thoughts about the
pre-calculated execution plan that stays the same during the execution.
If deciding to add mutable state to this class, it should be at least considered to
separate this into a separate mutable structure.
*/
private final List<ExecutionPlanItem> planItem;
private final Map<String, ExecutionPlanItem> lastMojoExecutionForAllPhases;
final List<String> phasesInExecutionPlan;
public MavenExecutionPlan( List<ExecutionPlanItem> planItem, DefaultLifecycles defaultLifecycles )
{
this.planItem = planItem;
lastMojoExecutionForAllPhases = new LinkedHashMap<String, ExecutionPlanItem>();
LinkedHashSet<String> totalPhaseSet = new LinkedHashSet<String>();
if ( defaultLifecycles != null )
{
for ( String phase : getDistinctPhasesInOrderOfExecutionPlanAppearance( planItem ) )
{
final Lifecycle lifecycle = defaultLifecycles.get( phase );
if ( lifecycle != null )
{
totalPhaseSet.addAll( lifecycle.getPhases() );
}
}
}
this.phasesInExecutionPlan = new ArrayList<String>( totalPhaseSet );
Map<String, ExecutionPlanItem> lastInExistingPhases = new HashMap<String, ExecutionPlanItem>();
for ( ExecutionPlanItem executionPlanItem : getExecutionPlanItems() )
{
lastInExistingPhases.put( executionPlanItem.getLifecyclePhase(), executionPlanItem );
}
ExecutionPlanItem lastSeenExecutionPlanItem = null;
for ( String phase : totalPhaseSet )
{
ExecutionPlanItem forThisPhase = lastInExistingPhases.get( phase );
if ( forThisPhase != null )
{
lastSeenExecutionPlanItem = forThisPhase;
}
lastMojoExecutionForAllPhases.put( phase, lastSeenExecutionPlanItem );
}
}
public Iterator<ExecutionPlanItem> iterator()
{
return getExecutionPlanItems().iterator();
}
/**
* Returns the last ExecutionPlanItem in the supplied phase. If no items are in the specified phase,
* the closest executionPlanItem from an earlier phase item will be returned.
*
* @param requestedPhase the requested phase
* The execution plan item
* @return The ExecutionPlanItem or null if none can be found
*/
public ExecutionPlanItem findLastInPhase( String requestedPhase )
{
return lastMojoExecutionForAllPhases.get( requestedPhase );
}
private List<ExecutionPlanItem> getExecutionPlanItems()
{
return planItem;
}
private static Iterable<String> getDistinctPhasesInOrderOfExecutionPlanAppearance(
List<ExecutionPlanItem> planItems )
{
LinkedHashSet<String> result = new LinkedHashSet<String>();
for ( ExecutionPlanItem executionPlanItem : planItems )
{
final String phase = executionPlanItem.getLifecyclePhase();
if ( !result.contains( phase ) )
{
result.add( phase );
}
}
return result;
}
public List<MojoExecution> getMojoExecutions()
{
List<MojoExecution> result = new ArrayList<MojoExecution>();
for ( ExecutionPlanItem executionPlanItem : planItem )
{
result.add( executionPlanItem.getMojoExecution() );
}
return result;
}
/**
* Get set of plugins having a goal/mojo used but not marked @threadSafe
*
* @return the set of plugins (without info on which goal is concerned)
*/
public Set<Plugin> getNonThreadSafePlugins()
{
Set<Plugin> plugins = new HashSet<Plugin>();
for ( ExecutionPlanItem executionPlanItem : planItem )
{
final MojoExecution mojoExecution = executionPlanItem.getMojoExecution();
if ( !mojoExecution.getMojoDescriptor().isThreadSafe() )
{
plugins.add( mojoExecution.getPlugin() );
}
}
return plugins;
}
/**
* Get set of mojos used but not marked @threadSafe
*
* @return the set of mojo descriptors
*/
public Set<MojoDescriptor> getNonThreadSafeMojos()
{
Set<MojoDescriptor> mojos = new HashSet<MojoDescriptor>();
for ( ExecutionPlanItem executionPlanItem : planItem )
{
final MojoExecution mojoExecution = executionPlanItem.getMojoExecution();
if ( !mojoExecution.getMojoDescriptor().isThreadSafe() )
{
mojos.add( mojoExecution.getMojoDescriptor() );
}
}
return mojos;
}
// Used by m2e but will be removed, really.
@Deprecated
public List<MojoExecution> getExecutions()
{
return getMojoExecutions();
}
public int size()
{
return planItem.size();
}
}
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