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DisplayPluginUpdatesMojo.java
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DisplayPluginUpdatesMojo.java
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package org.codehaus.mojo.versions;
/*
* 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 org.apache.maven.BuildFailureException;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.ArtifactUtils;
import org.apache.maven.artifact.metadata.ArtifactMetadataRetrievalException;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
import org.apache.maven.artifact.resolver.ArtifactResolutionException;
import org.apache.maven.artifact.versioning.ArtifactVersion;
import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
import org.apache.maven.artifact.versioning.VersionRange;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.execution.RuntimeInformation;
import org.apache.maven.lifecycle.Lifecycle;
import org.apache.maven.lifecycle.LifecycleExecutionException;
import org.apache.maven.lifecycle.LifecycleExecutor;
import org.apache.maven.lifecycle.mapping.LifecycleMapping;
import org.apache.maven.model.Model;
import org.apache.maven.model.Plugin;
import org.apache.maven.model.Prerequisites;
import org.apache.maven.model.Profile;
import org.apache.maven.model.ReportPlugin;
import org.apache.maven.model.io.xpp3.MavenXpp3Writer;
import org.apache.maven.plugin.InvalidPluginException;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugin.PluginManager;
import org.apache.maven.plugin.PluginManagerException;
import org.apache.maven.plugin.PluginNotFoundException;
import org.apache.maven.plugin.descriptor.PluginDescriptor;
import org.apache.maven.plugin.version.PluginVersionNotFoundException;
import org.apache.maven.plugin.version.PluginVersionResolutionException;
import org.apache.maven.plugins.annotations.Component;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.project.DefaultProjectBuilderConfiguration;
import org.apache.maven.project.MavenProject;
import org.apache.maven.project.ProjectBuildingException;
import org.apache.maven.project.interpolation.ModelInterpolationException;
import org.apache.maven.project.interpolation.ModelInterpolator;
import org.apache.maven.settings.Settings;
import org.codehaus.mojo.versions.api.ArtifactVersions;
import org.codehaus.mojo.versions.api.PomHelper;
import org.codehaus.mojo.versions.ordering.MavenVersionComparator;
import org.codehaus.mojo.versions.rewriting.ModifiedPomXMLEventReader;
import org.codehaus.mojo.versions.utils.PluginComparator;
import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
import org.codehaus.plexus.util.IOUtil;
import org.codehaus.plexus.util.ReaderFactory;
import org.codehaus.plexus.util.StringUtils;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.events.XMLEvent;
import java.io.File;
import java.io.IOException;
import java.io.Reader;
import java.io.StringWriter;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
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 java.util.Stack;
import java.util.TreeMap;
import java.util.TreeSet;
import java.util.regex.Pattern;
/**
* Displays all plugins that have newer versions available, taking care of Maven version prerequisites.
*
* @author Stephen Connolly
* @since 1.0-alpha-1
*/
@Mojo( name = "display-plugin-updates", requiresProject = true, requiresDirectInvocation = false, threadSafe = true )
public class DisplayPluginUpdatesMojo
extends AbstractVersionsDisplayMojo
{
// ------------------------------ FIELDS ------------------------------
/**
* The width to pad warn messages.
*
* @since 1.0-alpha-1
*/
private static final int WARN_PAD_SIZE = 65;
/**
* The width to pad info messages.
*
* @since 1.0-alpha-1
*/
private static final int INFO_PAD_SIZE = 68;
/**
* String to flag a plugin version being forced by the super-pom.
*
* @since 1.0-alpha-1
*/
private static final String FROM_SUPER_POM = "(from super-pom) ";
/**
* @since 1.0-alpha-1
*/
@Component
private LifecycleExecutor lifecycleExecutor;
/**
* @since 1.0-alpha-3
*/
@Component
private ModelInterpolator modelInterpolator;
/**
* The plugin manager.
*
* @component
* @since 1.0-alpha-1
*/
@Component
private PluginManager pluginManager;
/**
* @since 1.3
*/
@Component
private RuntimeInformation runtimeInformation;
// --------------------- GETTER / SETTER METHODS ---------------------
/**
* Returns the pluginManagement section of the super-pom.
*
* @return Returns the pluginManagement section of the super-pom.
* @throws MojoExecutionException when things go wrong.
*/
private Map<String, String> getSuperPomPluginManagement()
throws MojoExecutionException
{
if ( new DefaultArtifactVersion( "3.0" ).compareTo( runtimeInformation.getApplicationVersion() ) <= 0 )
{
getLog().debug( "Using Maven 3.x strategy to determine superpom defined plugins" );
try
{
Method getPluginsBoundByDefaultToAllLifecycles =
LifecycleExecutor.class.getMethod( "getPluginsBoundByDefaultToAllLifecycles",
new Class[] { String.class } );
Set<Plugin> plugins =
(Set<Plugin>) getPluginsBoundByDefaultToAllLifecycles.invoke( lifecycleExecutor, new Object[] {
getProject().getPackaging() } );
// we need to provide a copy with the version blanked out so that inferring from super-pom
// works as for 2.x as 3.x fills in the version on us!
Map<String, String> result = new LinkedHashMap<>( plugins.size() );
for ( Plugin plugin : plugins )
{
result.put( plugin.getKey(), plugin.getVersion() );
}
URL superPom = getClass().getClassLoader().getResource( "org/apache/maven/model/pom-4.0.0.xml" );
if ( superPom != null )
{
try
{
try( Reader reader = ReaderFactory.newXmlReader( superPom ) )
{
StringBuilder buf = new StringBuilder( IOUtil.toString( reader ) );
ModifiedPomXMLEventReader pom = newModifiedPomXER( buf, superPom.toString() );
Pattern pathRegex = Pattern.compile( "/project(/profiles/profile)?"
+ "((/build(/pluginManagement)?)|(/reporting))" + "/plugins/plugin" );
Stack<StackState> pathStack = new Stack<>();
StackState curState = null;
while ( pom.hasNext() )
{
XMLEvent event = pom.nextEvent();
if ( event.isStartDocument() )
{
curState = new StackState( "" );
pathStack.clear();
}
else if ( event.isStartElement() )
{
String elementName = event.asStartElement().getName().getLocalPart();
if ( curState != null && pathRegex.matcher( curState.path ).matches() )
{
if ( "groupId".equals( elementName ) )
{
curState.groupId = pom.getElementText().trim();
continue;
}
else if ( "artifactId".equals( elementName ) )
{
curState.artifactId = pom.getElementText().trim();
continue;
}
else if ( "version".equals( elementName ) )
{
curState.version = pom.getElementText().trim();
continue;
}
}
pathStack.push( curState );
curState = new StackState( curState.path + "/" + elementName );
}
else if ( event.isEndElement() )
{
if ( curState != null && pathRegex.matcher( curState.path ).matches() )
{
if ( curState.artifactId != null )
{
Plugin plugin = new Plugin();
plugin.setArtifactId( curState.artifactId );
plugin.setGroupId( curState.groupId == null
? PomHelper.APACHE_MAVEN_PLUGINS_GROUPID
: curState.groupId );
plugin.setVersion( curState.version );
if ( !result.containsKey( plugin.getKey() ) )
{
result.put( plugin.getKey(), plugin.getVersion() );
}
}
}
curState = pathStack.pop();
}
}
}
}
catch ( IOException | XMLStreamException e )
{
// ignore
}
}
return result;
}
catch ( NoSuchMethodException | InvocationTargetException | IllegalAccessException e1 )
{
// no much we can do here
}
}
getLog().debug( "Using Maven 2.x strategy to determine superpom defined plugins" );
Map<String, String> superPomPluginManagement;
try
{
MavenProject superProject =
projectBuilder.buildStandaloneSuperProject( new DefaultProjectBuilderConfiguration() );
superPomPluginManagement = new HashMap<>( getPluginManagement( superProject.getOriginalModel() ) );
}
catch ( ProjectBuildingException e )
{
throw new MojoExecutionException( "Could not determine the super pom.xml", e );
}
return superPomPluginManagement;
}
/**
* Gets the plugin management plugins of a specific project.
*
* @param model the model to get the plugin management plugins from.
* @return The map of effective plugin versions keyed by coordinates.
* @since 1.0-alpha-1
*/
private Map<String, String> getPluginManagement( Model model )
{
// we want only those parts of pluginManagement that are defined in this project
Map<String, String> pluginManagement = new HashMap<>();
try
{
for ( Plugin plugin : model.getBuild().getPluginManagement().getPlugins() )
{
String coord = plugin.getKey();
String version = plugin.getVersion();
if ( version != null )
{
pluginManagement.put( coord, version );
}
}
}
catch ( NullPointerException e )
{
// guess there are no plugins here
}
try
{
for ( Profile profile : model.getProfiles() )
{
try
{
for ( Plugin plugin : profile.getBuild().getPluginManagement().getPlugins() )
{
String coord = plugin.getKey();
String version = plugin.getVersion();
if ( version != null )
{
pluginManagement.put( coord, version );
}
}
}
catch ( NullPointerException e )
{
// guess there are no plugins here
}
}
}
catch ( NullPointerException e )
{
// guess there are no profiles here
}
return pluginManagement;
}
// ------------------------ INTERFACE METHODS ------------------------
// --------------------- Interface Mojo ---------------------
/**
* @throws MojoExecutionException when things go wrong
* @throws MojoFailureException when things go wrong in a very bad way
* @see AbstractVersionsUpdaterMojo#execute()
* @since 1.0-alpha-1
*/
public void execute()
throws MojoExecutionException, MojoFailureException
{
logInit();
Set<String> pluginsWithVersionsSpecified;
try
{
pluginsWithVersionsSpecified = findPluginsWithVersionsSpecified( getProject() );
}
catch ( XMLStreamException | IOException e )
{
throw new MojoExecutionException( e.getMessage(), e );
}
Map<String, String> superPomPluginManagement = getSuperPomPluginManagement();
getLog().debug( "superPom plugins = " + superPomPluginManagement );
List<MavenProject> parents = getParentProjects( getProject() );
Map<String, String> parentPlugins = getParentsPlugins( parents );
// TODO remove, not used any more (found while extracting getParentsPlugins method and
// renaming parentPluginManagement to parentPlugins)
// NOTICE: getProjectPlugins() takes profiles while getParentPlugins does not
// there is probably a little inconsistency (if plugins configured in profiles of parents)
Map<String, String> parentBuildPlugins = new HashMap<>();
Map<String, String> parentReportPlugins = new HashMap<>();
Set<Plugin> plugins = getProjectPlugins( superPomPluginManagement, parentPlugins, parentBuildPlugins,
parentReportPlugins, pluginsWithVersionsSpecified );
List<String> pluginUpdates = new ArrayList<>();
List<String> pluginLockdowns = new ArrayList<>();
ArtifactVersion curMavenVersion = runtimeInformation.getApplicationVersion();
ArtifactVersion specMavenVersion = MinimalMavenBuildVersionFinder.find( getProject(), "2.0", getLog() );
ArtifactVersion minMavenVersion = null;
boolean superPomDrivingMinVersion = false;
// if Maven prerequisite upgraded to a version, Map<plugin compact key, latest compatible plugin vesion>
Map<ArtifactVersion, Map<String, String>> mavenUpgrades = new TreeMap<>( new MavenVersionComparator() );
for ( Plugin plugin : plugins )
{
String groupId = plugin.getGroupId();
String artifactId = plugin.getArtifactId();
String version = plugin.getVersion();
String coords = ArtifactUtils.versionlessKey( groupId, artifactId );
if ( version == null )
{
version = parentPlugins.get( coords );
}
getLog().debug( "Checking " + coords + " for updates newer than " + version );
String effectiveVersion = version;
Artifact artifactRange;
try
{
boolean unspecified = ( version == null );
VersionRange versionRange = unspecified ? VersionRange.createFromVersionSpec( "[0,)" )
: VersionRange.createFromVersionSpec( version );
artifactRange = artifactFactory.createPluginArtifact( groupId, artifactId, versionRange );
}
catch ( InvalidVersionSpecificationException e )
{
throw new MojoExecutionException( "Invalid version range specification: " + version, e );
}
ArtifactVersion artifactVersion = null;
try
{
// now we want to find the newest versions and check their Maven version prerequisite
ArtifactVersions artifactVersions = getHelper().lookupArtifactVersions( artifactRange, true );
ArtifactVersion[] newerVersions = artifactVersions.getVersions( this.allowSnapshots );
ArtifactVersion minRequires = null;
for ( int j = newerVersions.length - 1; j >= 0; j-- )
{
Artifact probe =
artifactFactory.createDependencyArtifact( groupId, artifactId,
VersionRange.createFromVersion( newerVersions[j].toString() ),
"pom", null, "runtime" );
try
{
getHelper().resolveArtifact( probe, true );
MavenProject pluginMavenProject =
projectBuilder.buildFromRepository( probe, remotePluginRepositories, localRepository );
ArtifactVersion pluginRequires = getPrerequisitesMavenVersion( pluginMavenProject );
if ( artifactVersion == null && compare( specMavenVersion, pluginRequires ) >= 0 )
{
// ok, newer version compatible with current specMavenVersion
artifactVersion = newerVersions[j];
}
if ( effectiveVersion == null && compare( curMavenVersion, pluginRequires ) >= 0 )
{
// version was unspecified, current version of maven thinks it should use this
effectiveVersion = newerVersions[j].toString();
}
if ( artifactVersion != null && effectiveVersion != null )
{
// no need to look at any older versions: latest compatible found
break;
}
// newer version not compatible with current specMavenVersion: track opportunity if Maven spec
// upgrade
if ( minRequires == null || compare( minRequires, pluginRequires ) > 0 )
{
Map<String, String> upgradePlugins =
mavenUpgrades.computeIfAbsent( pluginRequires, k -> new LinkedHashMap<>() );
String upgradePluginKey = compactKey( groupId, artifactId );
if ( !upgradePlugins.containsKey( upgradePluginKey ) )
{
String newer = newerVersions[j].toString();
if ( newer.equals( effectiveVersion ) )
{
// plugin version configured that require a Maven version higher than spec
upgradePlugins.put( upgradePluginKey,
pad( upgradePluginKey, INFO_PAD_SIZE, newer ) );
}
else
{
// plugin that can be upgraded
upgradePlugins.put( upgradePluginKey, pad( upgradePluginKey, INFO_PAD_SIZE,
effectiveVersion, " -> ", newer ) );
}
}
minRequires = pluginRequires;
}
}
catch ( ArtifactResolutionException | ArtifactNotFoundException | ProjectBuildingException e )
{
// ignore bad version
}
}
if ( effectiveVersion != null )
{
VersionRange currentVersionRange = VersionRange.createFromVersion( effectiveVersion );
Artifact probe = artifactFactory.createDependencyArtifact( groupId, artifactId, currentVersionRange,
"pom", null, "runtime" );
try
{
getHelper().resolveArtifact( probe, true );
MavenProject mavenProject =
projectBuilder.buildFromRepository( probe, remotePluginRepositories, localRepository );
ArtifactVersion requires = getPrerequisitesMavenVersion( mavenProject );
if ( minMavenVersion == null || compare( minMavenVersion, requires ) < 0 )
{
minMavenVersion = requires;
}
}
catch ( ArtifactResolutionException | ArtifactNotFoundException | ProjectBuildingException e )
{
// ignore bad version
}
}
}
catch ( ArtifactMetadataRetrievalException e )
{
throw new MojoExecutionException( e.getMessage(), e );
}
String newVersion;
if ( version == null && pluginsWithVersionsSpecified.contains( coords ) )
{
// Hack ALERT!
//
// All this should be re-written in a less "pom is xml" way... but it'll
// work for now :-(
//
// we have removed the version information, as it was the same as from
// the super-pom... but it actually was specified.
version = artifactVersion != null ? artifactVersion.toString() : null;
}
getLog().debug( "[" + coords + "].version=" + version );
getLog().debug( "[" + coords + "].artifactVersion=" + artifactVersion );
getLog().debug( "[" + coords + "].effectiveVersion=" + effectiveVersion );
getLog().debug( "[" + coords + "].specified=" + pluginsWithVersionsSpecified.contains( coords ) );
if ( version == null || !pluginsWithVersionsSpecified.contains( coords ) )
{
version = superPomPluginManagement.get( coords );
getLog().debug( "[" + coords + "].superPom.version=" + version );
newVersion = artifactVersion != null ? artifactVersion.toString()
: ( version != null ? version
: ( effectiveVersion != null ? effectiveVersion : "(unknown)" ) );
if ( version != null )
{
superPomDrivingMinVersion = true;
}
pluginLockdowns.add( pad( compactKey( groupId, artifactId ), WARN_PAD_SIZE,
superPomDrivingMinVersion ? FROM_SUPER_POM : "", newVersion ) );
}
else if ( artifactVersion != null )
{
newVersion = artifactVersion.toString();
}
else
{
newVersion = null;
}
if ( version != null && artifactVersion != null && newVersion != null && effectiveVersion != null
&& new DefaultArtifactVersion( effectiveVersion ).compareTo( new DefaultArtifactVersion( newVersion ) ) < 0 )
{
pluginUpdates.add( pad( compactKey( groupId, artifactId ), INFO_PAD_SIZE,
effectiveVersion, " -> ", newVersion ) );
}
}
// info on each plugin gathered: now it's time to display the result!
//
logLine( false, "" );
// updates keeping currently defined Maven version minimum
if ( pluginUpdates.isEmpty() )
{
logLine( false, "All plugins with a version specified are using the latest versions." );
}
else
{
logLine( false, "The following plugin updates are available:" );
for ( String update : new TreeSet<>(pluginUpdates) )
{
logLine( false, update );
}
}
logLine( false, "" );
// has every plugin a specified version?
if ( pluginLockdowns.isEmpty() )
{
logLine( false, "All plugins have a version specified." );
}
else
{
getLog().warn( "The following plugins do not have their version specified:" );
for ( String lockdown : new TreeSet<>(pluginLockdowns) )
{
getLog().warn( lockdown );
}
}
logLine( false, "" );
// information on minimum Maven version
boolean noMavenMinVersion = MinimalMavenBuildVersionFinder.find( getProject(), null, getLog() ) == null;
if ( noMavenMinVersion )
{
getLog().warn( "Project does not define minimum Maven version required for build, default is: 2.0" );
}
else
{
logLine( false, "Project requires minimum Maven version for build of: " + specMavenVersion );
}
logLine( false, "Plugins require minimum Maven version of: " + minMavenVersion );
if ( superPomDrivingMinVersion )
{
logLine( false, "Note: the super-pom from Maven " + curMavenVersion + " defines some of the plugin" );
logLine( false, " versions and may be influencing the plugins required minimum Maven" );
logLine( false, " version." );
}
logLine( false, "" );
if ( isMavenPluginProject() )
{
if ( noMavenMinVersion )
{
getLog().warn( "Project (which is a Maven plugin) does not define required minimum version of Maven." );
getLog().warn( "Update the pom.xml to contain" );
getLog().warn( " <prerequisites>" );
getLog().warn( " <maven><!-- minimum version of Maven that the plugin works with --></maven>" );
getLog().warn( " </prerequisites>" );
getLog().warn( "To build this plugin you need at least Maven " + minMavenVersion );
getLog().warn( "A Maven Enforcer rule can be used to enforce this if you have not already set one up" );
getLog().warn( "See https://maven.apache.org/enforcer/enforcer-rules/requireMavenVersion.html" );
}
else if ( minMavenVersion != null && compare( specMavenVersion, minMavenVersion ) < 0 )
{
getLog().warn( "Project (which is a Maven plugin) targets Maven " + specMavenVersion + " or newer" );
getLog().warn( "but requires Maven " + minMavenVersion + " or newer to build." );
getLog().warn( "This may or may not be a problem. A Maven Enforcer rule can help " );
getLog().warn( "enforce that the correct version of Maven is used to build this plugin." );
getLog().warn( "See https://maven.apache.org/enforcer/enforcer-rules/requireMavenVersion.html" );
}
else
{
logLine( false, "No plugins require a newer version of Maven than specified by the pom." );
}
}
else
{
if ( noMavenMinVersion )
{
logLine( true, "Project does not define required minimum version of Maven." );
logLine( true, "Update the pom.xml to contain maven-enforcer-plugin to" );
logLine( true, "force the Maven version which is needed to build this project." );
logLine( true, "See https://maven.apache.org/enforcer/enforcer-rules/requireMavenVersion.html" );
logLine( true, "Using the minimum version of Maven: " + minMavenVersion );
}
else if ( minMavenVersion != null && compare( specMavenVersion, minMavenVersion ) < 0 )
{
logLine( true, "Project requires an incorrect minimum version of Maven." );
logLine( true, "Update the pom.xml to contain maven-enforcer-plugin to" );
logLine( true, "force the Maven version which is needed to build this project." );
logLine( true, "See https://maven.apache.org/enforcer/enforcer-rules/requireMavenVersion.html" );
logLine( true, "Using the minimum version of Maven: " + specMavenVersion );
}
else
{
logLine( false, "No plugins require a newer version of Maven than specified by the pom." );
}
}
// updates if minimum Maven version is changed
for ( Map.Entry<ArtifactVersion, Map<String, String>> mavenUpgrade : mavenUpgrades.entrySet() )
{
ArtifactVersion mavenUpgradeVersion = mavenUpgrade.getKey();
Map<String, String> upgradePlugins = mavenUpgrade.getValue();
if ( upgradePlugins.isEmpty() || compare( specMavenVersion, mavenUpgradeVersion ) >= 0 )
{
continue;
}
logLine( false, "" );
logLine( false, "Require Maven " + mavenUpgradeVersion + " to use the following plugin updates:" );
for ( Map.Entry<String, String> entry : upgradePlugins.entrySet() )
{
logLine( false, entry.getValue() );
}
}
logLine( false, "" );
}
private static String pad( String start, int len, String...ends )
{
StringBuilder buf = new StringBuilder( len );
buf.append( " " );
buf.append( start );
int padding = len;
for ( String end : ends )
{
padding -= end.length();
}
buf.append( ' ' );
while ( buf.length() < padding )
{
buf.append( '.' );
}
buf.append( ' ' );
for ( String end : ends )
{
buf.append( end );
}
return buf.toString();
}
private Map<String, String> getParentsPlugins( List<MavenProject> parents )
throws MojoExecutionException
{
Map<String, String> parentPlugins = new HashMap<>();
for ( MavenProject parentProject : parents )
{
getLog().debug( "Processing parent: " + parentProject.getGroupId() + ":" + parentProject.getArtifactId()
+ ":" + parentProject.getVersion() + " -> " + parentProject.getFile() );
StringWriter writer = new StringWriter();
boolean havePom = false;
Model interpolatedModel;
try
{
Model originalModel = parentProject.getOriginalModel();
if ( originalModel == null )
{
getLog().warn( "project.getOriginalModel()==null for " + parentProject.getGroupId() + ":"
+ parentProject.getArtifactId() + ":" + parentProject.getVersion()
+ " is null, substituting project.getModel()" );
originalModel = parentProject.getModel();
}
try
{
new MavenXpp3Writer().write( writer, originalModel );
writer.close();
havePom = true;
}
catch ( IOException e )
{
// ignore
}
interpolatedModel =
modelInterpolator.interpolate( originalModel, null,
new DefaultProjectBuilderConfiguration().setExecutionProperties( getProject().getProperties() ),
false );
}
catch ( ModelInterpolationException e )
{
throw new MojoExecutionException( e.getMessage(), e );
}
if ( havePom )
{
try
{
Set<String> withVersionSpecified =
findPluginsWithVersionsSpecified( new StringBuilder( writer.toString() ), getSafeProjectPathInfo(parentProject) );
Map<String, String> map = getPluginManagement( interpolatedModel );
map.keySet().retainAll( withVersionSpecified );
parentPlugins.putAll( map );
map = getBuildPlugins( interpolatedModel, true );
map.keySet().retainAll( withVersionSpecified );
parentPlugins.putAll( map );
map = getReportPlugins( interpolatedModel, true );
map.keySet().retainAll( withVersionSpecified );
parentPlugins.putAll( map );
}
catch ( IOException | XMLStreamException e )
{
throw new MojoExecutionException( e.getMessage(), e );
}
}
else
{
parentPlugins.putAll( getPluginManagement( interpolatedModel ) );
parentPlugins.putAll( getBuildPlugins( interpolatedModel, true ) );
parentPlugins.putAll( getReportPlugins( interpolatedModel, true ) );
}
}
return parentPlugins;
}
private String getSafeProjectPathInfo(MavenProject project) {
File file = project.getFile();
if (file != null) {
return file.getAbsolutePath();
}
else {
// path is used only as information in error message, we can fallback to project artifact info here
return project.toString();
}
}
private boolean isMavenPluginProject()
{
return "maven-plugin".equals( getProject().getPackaging() );
}
private String compactKey( String groupId, String artifactId )
{
if ( PomHelper.APACHE_MAVEN_PLUGINS_GROUPID.equals( groupId ) )
{
// a core plugin... group id is not needed
return artifactId;
}
return groupId + ":" + artifactId;
}
private static final class StackState
{
private final String path;
private String groupId;
private String artifactId;
private String version;
public StackState( String path )
{
this.path = path;
}
public String toString()
{
return path + "[groupId=" + groupId + ", artifactId=" + artifactId + ", version=" + version + "]";
}
}
/**
* Returns a set of Strings which correspond to the plugin coordinates where there is a version specified.
*
* @param project The project to get the plugins with versions specified.
* @return a set of Strings which correspond to the plugin coordinates where there is a version specified.
*/
private Set<String> findPluginsWithVersionsSpecified( MavenProject project )
throws IOException, XMLStreamException
{
return findPluginsWithVersionsSpecified( PomHelper.readXmlFile( project.getFile() ), getSafeProjectPathInfo(project) );
}
/**
* Returns a set of Strings which correspond to the plugin coordinates where there is a version specified.
*
* @param pomContents The project to get the plugins with versions specified.
* @param path Path that points to the source of the XML
* @return a set of Strings which correspond to the plugin coordinates where there is a version specified.
*/
private Set<String> findPluginsWithVersionsSpecified( StringBuilder pomContents, String path )
throws IOException, XMLStreamException
{
Set<String> result = new HashSet<>();
ModifiedPomXMLEventReader pom = newModifiedPomXER( pomContents, path );
Pattern pathRegex = Pattern.compile( "/project(/profiles/profile)?"
+ "((/build(/pluginManagement)?)|(/reporting))" + "/plugins/plugin" );
Stack<StackState> pathStack = new Stack<>();
StackState curState = null;
while ( pom.hasNext() )
{
XMLEvent event = pom.nextEvent();
if ( event.isStartDocument() )
{
curState = new StackState( "" );
pathStack.clear();
}
else if ( event.isStartElement() )
{
String elementName = event.asStartElement().getName().getLocalPart();
if ( curState != null && pathRegex.matcher( curState.path ).matches() )
{
if ( "groupId".equals( elementName ) )
{
curState.groupId = pom.getElementText().trim();
continue;
}
else if ( "artifactId".equals( elementName ) )
{
curState.artifactId = pom.getElementText().trim();
continue;
}
else if ( "version".equals( elementName ) )
{
curState.version = pom.getElementText().trim();
continue;
}
}
pathStack.push( curState );
curState = new StackState( curState.path + "/" + elementName );
}
else if ( event.isEndElement() )
{
if ( curState != null && pathRegex.matcher( curState.path ).matches() )
{
if ( curState.artifactId != null && curState.version != null )
{
if ( curState.groupId == null )
{
curState.groupId = PomHelper.APACHE_MAVEN_PLUGINS_GROUPID;
}
result.add( curState.groupId + ":" + curState.artifactId );
}
}
curState = pathStack.pop();
}
}
return result;
}
// -------------------------- OTHER METHODS --------------------------
/**
* Get the minimum required Maven version of the given plugin
* Same logic as in https://github.com/apache/maven-plugin-tools/blob/c8ddcdcb10d342a5a5e2f38245bb569af5730c7c/maven-plugin-plugin/src/main/java/org/apache/maven/plugin/plugin/PluginReport.java#L711
* @param pluginProject the plugin for which to retrieve the minimum Maven version which is required
* @return The minimally required Maven version (never {@code null})
*/
private ArtifactVersion getPrerequisitesMavenVersion( MavenProject pluginProject ) {
Prerequisites prerequisites = pluginProject.getPrerequisites();
if (null == prerequisites) {
return new DefaultArtifactVersion("2.0");
}
String prerequisitesMavenValue = prerequisites.getMaven();
if (null == prerequisitesMavenValue) {
return new DefaultArtifactVersion("2.0");
}
return new DefaultArtifactVersion(prerequisitesMavenValue);
}
/**
* Gets the build plugins of a specific project.
*
* @param model the model to get the build plugins from.
* @param onlyIncludeInherited <code>true</code> to only return the plugins definitions that will be inherited by
* child projects.
* @return The map of effective plugin versions keyed by coordinates.
* @since 1.0-alpha-1
*/
private Map<String, String> getBuildPlugins( Model model, boolean onlyIncludeInherited )
{
Map<String, String> buildPlugins = new HashMap<>();
try
{
for ( Plugin plugin : model.getBuild().getPlugins() )
{
String coord = plugin.getKey();
String version = plugin.getVersion();
if ( version != null && ( !onlyIncludeInherited || getPluginInherited( plugin ) ) )
{
buildPlugins.put( coord, version );
}
}
}
catch ( NullPointerException e )
{
// guess there are no plugins here
}
try
{
for ( Profile profile : model.getProfiles() )
{
try
{
for ( Plugin plugin : profile.getBuild().getPlugins() )
{
String coord = plugin.getKey();
String version = plugin.getVersion();
if ( version != null && ( !onlyIncludeInherited || getPluginInherited( plugin ) ) )
{
buildPlugins.put( coord, version );
}
}
}
catch ( NullPointerException e )
{
// guess there are no plugins here
}
}
}
catch ( NullPointerException e )
{
// guess there are no profiles here
}
return buildPlugins;
}
/**
* Returns the Inherited of a {@link Plugin} or {@link ReportPlugin}
*
* @param plugin the {@link Plugin} or {@link ReportPlugin}
* @return the Inherited of the {@link Plugin} or {@link ReportPlugin}
* @since 1.0-alpha-1
*/
private static boolean getPluginInherited( Object plugin )
{