blob: 404cce7a6a7e72ccd1b898d675d7b37f54ea99dc [file] [log] [blame]
package org.apache.maven.plugins.checkstyle;
/*
* 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.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.Reader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.model.Dependency;
import org.apache.maven.model.Plugin;
import org.apache.maven.model.PluginManagement;
import org.apache.maven.model.Resource;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugin.descriptor.PluginDescriptor;
import org.apache.maven.plugins.annotations.Component;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;
import org.apache.maven.plugins.checkstyle.exec.CheckstyleExecutor;
import org.apache.maven.plugins.checkstyle.exec.CheckstyleExecutorException;
import org.apache.maven.plugins.checkstyle.exec.CheckstyleExecutorRequest;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.configuration.PlexusConfiguration;
import org.codehaus.plexus.util.FileUtils;
import org.codehaus.plexus.util.PathTool;
import org.codehaus.plexus.util.ReaderFactory;
import org.codehaus.plexus.util.StringUtils;
import org.codehaus.plexus.util.xml.pull.MXParser;
import org.codehaus.plexus.util.xml.pull.XmlPullParser;
import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
import com.puppycrawl.tools.checkstyle.DefaultLogger;
import com.puppycrawl.tools.checkstyle.XMLLogger;
import com.puppycrawl.tools.checkstyle.api.AuditListener;
import com.puppycrawl.tools.checkstyle.api.AutomaticBean.OutputStreamOptions;
import com.puppycrawl.tools.checkstyle.api.CheckstyleException;
/**
* Performs Checkstyle analysis and outputs violations or a count of violations
* to the console, potentially failing the build.
* It can also be configured to re-use an earlier analysis.
*
* @author <a href="mailto:joakim@erdfelt.net">Joakim Erdfelt</a>
*
*/
@Mojo( name = "check", defaultPhase = LifecyclePhase.VERIFY, requiresDependencyResolution = ResolutionScope.NONE,
threadSafe = true )
public class CheckstyleViolationCheckMojo
extends AbstractMojo
{
private static final String JAVA_FILES = "**\\/*.java";
private static final String DEFAULT_CONFIG_LOCATION = "sun_checks.xml";
/**
* Specifies the path and filename to save the Checkstyle output. The format
* of the output file is determined by the <code>outputFileFormat</code>
* parameter.
*/
@Parameter( property = "checkstyle.output.file", defaultValue = "${project.build.directory}/checkstyle-result.xml" )
private File outputFile;
/**
* Specifies the format of the output to be used when writing to the output
* file. Valid values are "<code>plain</code>" and "<code>xml</code>".
*/
@Parameter( property = "checkstyle.output.format", defaultValue = "xml" )
private String outputFileFormat;
/**
* Fail the build on a violation. The goal checks for the violations
* after logging them (if {@link #logViolationsToConsole} is {@code true}).
* Compare this to {@link #failsOnError} which fails the build immediately
* before examining the output log.
*/
@Parameter( property = "checkstyle.failOnViolation", defaultValue = "true" )
private boolean failOnViolation;
/**
* The maximum number of allowed violations. The execution fails only if the
* number of violations is above this limit.
*
* @since 2.3
*/
@Parameter( property = "checkstyle.maxAllowedViolations", defaultValue = "0" )
private int maxAllowedViolations;
/**
* The lowest severity level that is considered a violation.
* Valid values are "<code>error</code>", "<code>warning</code>" and "<code>info</code>".
*
* @since 2.2
*/
@Parameter( property = "checkstyle.violationSeverity", defaultValue = "error" )
private String violationSeverity = "error";
/**
* Violations to ignore. This is a comma-separated list, each value being either
* a rule name, a rule category or a java package name of rule class.
*
* @since 2.13
*/
@Parameter( property = "checkstyle.violation.ignore" )
private String violationIgnore;
/**
* Skip entire check.
*
* @since 2.2
*/
@Parameter( property = "checkstyle.skip", defaultValue = "false" )
private boolean skip;
/**
* Skip Checkstyle execution will only scan the outputFile.
*
* @since 2.5
*/
@Parameter( property = "checkstyle.skipExec", defaultValue = "false" )
private boolean skipExec;
/**
* Output the detected violations to the console.
*
* @since 2.3
*/
@Parameter( property = "checkstyle.console", defaultValue = "true" )
private boolean logViolationsToConsole;
/**
* Specifies the location of the resources to be used for Checkstyle.
*
* @since 2.11
*/
@Parameter( defaultValue = "${project.resources}", readonly = true )
protected List<Resource> resources;
/**
* Specifies the location of the test resources to be used for Checkstyle.
*
* @since 2.16
*/
@Parameter( defaultValue = "${project.testResources}", readonly = true )
protected List<Resource> testResources;
/**
* <p>
* Specifies the location of the XML configuration to use.
* <p>
* Potential values are a filesystem path, a URL, or a classpath resource.
* This parameter expects that the contents of the location conform to the
* xml format (Checkstyle <a
* href="http://checkstyle.sourceforge.net/config.html#Modules">Checker
* module</a>) configuration of rulesets.
* <p>
* This parameter is resolved as resource, URL, then file. If successfully
* resolved, the contents of the configuration is copied into the
* <code>${project.build.directory}/checkstyle-configuration.xml</code>
* file before being passed to Checkstyle as a configuration.
* <p>
* There are 2 predefined rulesets.
* <ul>
* <li><code>sun_checks.xml</code>: Sun Checks.</li>
* <li><code>google_checks.xml</code>: Google Checks.</li>
* </ul>
*
* @since 2.5
*/
@Parameter( property = "checkstyle.config.location", defaultValue = DEFAULT_CONFIG_LOCATION )
private String configLocation;
/**
* <p>
* Specifies the location of the properties file.
* <p>
* This parameter is resolved as URL, File then resource. If successfully
* resolved, the contents of the properties location is copied into the
* <code>${project.build.directory}/checkstyle-checker.properties</code>
* file before being passed to Checkstyle for loading.
* <p>
* The contents of the <code>propertiesLocation</code> will be made
* available to Checkstyle for specifying values for parameters within the
* xml configuration (specified in the <code>configLocation</code>
* parameter).
*
* @since 2.5
*/
@Parameter( property = "checkstyle.properties.location" )
private String propertiesLocation;
/**
* Allows for specifying raw property expansion information.
*/
@Parameter
private String propertyExpansion;
/**
* <p>
* Specifies the location of the License file (a.k.a. the header file) that
* can be used by Checkstyle to verify that source code has the correct
* license header.
* <p>
* You need to use <code>${checkstyle.header.file}</code> in your Checkstyle xml
* configuration to reference the name of this header file.
* <p>
* For instance:
* <pre>
* &lt;module name="RegexpHeader"&gt;
* &lt;property name="headerFile" value="${checkstyle.header.file}"/&gt;
* &lt;/module&gt;
* </pre>
*
* @since 2.0-beta-2
*/
@Parameter( property = "checkstyle.header.file", defaultValue = "LICENSE.txt" )
private String headerLocation;
/**
* Specifies the cache file used to speed up Checkstyle on successive runs.
*/
@Parameter( defaultValue = "${project.build.directory}/checkstyle-cachefile" )
private String cacheFile;
/**
* The key to be used in the properties for the suppressions file.
*
* @since 2.1
*/
@Parameter( property = "checkstyle.suppression.expression", defaultValue = "checkstyle.suppressions.file" )
private String suppressionsFileExpression;
/**
* <p>
* Specifies the location of the suppressions XML file to use.
* <p>
* This parameter is resolved as resource, URL, then file. If successfully
* resolved, the contents of the suppressions XML is copied into the
* <code>${project.build.directory}/checkstyle-suppressions.xml</code> file
* before being passed to Checkstyle for loading.
* <p>
* See <code>suppressionsFileExpression</code> for the property that will
* be made available to your Checkstyle configuration.
*
* @since 2.0-beta-2
*/
@Parameter( property = "checkstyle.suppressions.location" )
private String suppressionsLocation;
/**
* The file encoding to use when reading the source files. If the property <code>project.build.sourceEncoding</code>
* is not set, the platform default encoding is used. <strong>Note:</strong> This parameter always overrides the
* property <code>charset</code> from Checkstyle's <code>TreeWalker</code> module.
*
* @since 2.2
*/
@Parameter( property = "encoding", defaultValue = "${project.build.sourceEncoding}" )
private String encoding;
/**
* @since 2.5
*/
@Component( role = CheckstyleExecutor.class, hint = "default" )
protected CheckstyleExecutor checkstyleExecutor;
/**
* Output errors to console.
*/
@Parameter( property = "checkstyle.consoleOutput", defaultValue = "false" )
private boolean consoleOutput;
/**
* The Maven Project Object.
*/
@Parameter ( defaultValue = "${project}", readonly = true, required = true )
protected MavenProject project;
/**
* The Plugin Descriptor
*/
@Parameter( defaultValue = "${plugin}", readonly = true, required = true )
private PluginDescriptor plugin;
/**
* If <code>null</code>, the Checkstyle plugin will display violations on stdout.
* Otherwise, a text file will be created with the violations.
*/
@Parameter
private File useFile;
/**
* Specifies the names filter of the source files to be excluded for
* Checkstyle.
*/
@Parameter( property = "checkstyle.excludes" )
private String excludes;
/**
* Specifies the names filter of the source files to be used for Checkstyle.
*/
@Parameter( property = "checkstyle.includes", defaultValue = JAVA_FILES, required = true )
private String includes;
/**
* Specifies the names filter of the files to be excluded for
* Checkstyle when checking resources.
* @since 2.11
*/
@Parameter( property = "checkstyle.resourceExcludes" )
private String resourceExcludes;
/**
* Specifies the names filter of the files to be used for Checkstyle when checking resources.
* @since 2.11
*/
@Parameter( property = "checkstyle.resourceIncludes", defaultValue = "**/*.properties", required = true )
private String resourceIncludes;
/**
* If this is true, and Checkstyle reported any violations or errors,
* the build fails immediately after running Checkstyle, before checking the log
* for {@link #logViolationsToConsole}. If you want to use {@link #logViolationsToConsole},
* use {@link #failOnViolation} instead of this.
*/
@Parameter( defaultValue = "false" )
private boolean failsOnError;
/**
* Specifies the location of the test source directory to be used for Checkstyle.
*
* @since 2.2
* @deprecated instead use {@link #testSourceDirectories}. For version 3.0.0, this parameter is only defined to
* break the build if you use it!
*/
@Deprecated
@Parameter
private File testSourceDirectory;
/**
* Specifies the location of the test source directories to be used for Checkstyle.
* Default value is <code>${project.testCompileSourceRoots}</code>.
* @since 2.13
*/
// Compatibility with all Maven 3: default of 'project.testCompileSourceRoots' is done manually because of MNG-5440
@Parameter
private List<String> testSourceDirectories;
/**
* Include or not the test source directory to be used for Checkstyle.
*
* @since 2.2
*/
@Parameter( defaultValue = "false" )
private boolean includeTestSourceDirectory;
/**
* Specifies the location of the source directory to be used for Checkstyle.
*
* @deprecated instead use {@link #sourceDirectories}. For version 3.0.0, this parameter is only defined to break
* the build if you use it!
*/
@Deprecated
@Parameter
private File sourceDirectory;
/**
* Specifies the location of the source directories to be used for Checkstyle.
* Default value is <code>${project.compileSourceRoots}</code>.
* @since 2.13
*/
// Compatibility with all Maven 3: default of 'project.compileSourceRoots' is done manually because of MNG-5440
@Parameter
private List<String> sourceDirectories;
/**
* Whether to apply Checkstyle to resource directories.
* @since 2.11
*/
@Parameter( property = "checkstyle.includeResources", defaultValue = "true", required = true )
private boolean includeResources = true;
/**
* Whether to apply Checkstyle to test resource directories.
* @since 2.11
*/
@Parameter( property = "checkstyle.includeTestResources", defaultValue = "true", required = true )
private boolean includeTestResources = true;
/**
* By using this property, you can specify the whole Checkstyle rules
* inline directly inside this pom.
*
* <pre>
* &lt;plugin&gt;
* ...
* &lt;configuration&gt;
* &lt;checkstyleRules&gt;
* &lt;module name="Checker"&gt;
* &lt;module name="FileTabCharacter"&gt;
* &lt;property name="eachLine" value="true" /&gt;
* &lt;/module&gt;
* &lt;module name="TreeWalker"&gt;
* &lt;module name="EmptyBlock"/&gt;
* &lt;/module&gt;
* &lt;/module&gt;
* &lt;/checkstyleRules&gt;
* &lt;/configuration&gt;
* ...
* </pre>
*
* @since 2.12
*/
@Parameter
private PlexusConfiguration checkstyleRules;
/**
* Dump file for inlined Checkstyle rules.
*/
@Parameter( property = "checkstyle.output.rules.file",
defaultValue = "${project.build.directory}/checkstyle-rules.xml" )
private File rulesFiles;
/**
* The header to use for the inline configuration.
* Only used when you specify {@code checkstyleRules}.
*/
@Parameter( defaultValue = "<?xml version=\"1.0\"?>\n"
+ "<!DOCTYPE module PUBLIC \"-//Checkstyle//DTD Checkstyle Configuration 1.3//EN\"\n"
+ " \"https://checkstyle.org/dtds/configuration_1_3.dtd\">\n" )
private String checkstyleRulesHeader;
/**
* Specifies whether modules with a configured severity of <code>ignore</code> should be omitted during Checkstyle
* invocation.
*
* @since 3.0.0
*/
@Parameter( defaultValue = "false" )
private boolean omitIgnoredModules;
private ByteArrayOutputStream stringOutputStream;
private File outputXmlFile;
/** {@inheritDoc} */
public void execute()
throws MojoExecutionException, MojoFailureException
{
checkDeprecatedParameterUsage( sourceDirectory, "sourceDirectory", "sourceDirectories" );
checkDeprecatedParameterUsage( testSourceDirectory, "testSourceDirectory", "testSourceDirectories" );
if ( skip )
{
return;
}
outputXmlFile = outputFile;
if ( !skipExec )
{
if ( checkstyleRules != null )
{
if ( !DEFAULT_CONFIG_LOCATION.equals( configLocation ) )
{
throw new MojoExecutionException( "If you use inline configuration for rules, don't specify "
+ "a configLocation" );
}
if ( checkstyleRules.getChildCount() > 1 )
{
throw new MojoExecutionException( "Currently only one root module is supported" );
}
PlexusConfiguration checkerModule = checkstyleRules.getChild( 0 );
try
{
FileUtils.forceMkdir( rulesFiles.getParentFile() );
FileUtils.fileWrite( rulesFiles, checkstyleRulesHeader + checkerModule.toString() );
}
catch ( final IOException e )
{
throw new MojoExecutionException( e.getMessage(), e );
}
configLocation = rulesFiles.getAbsolutePath();
}
ClassLoader currentClassLoader = Thread.currentThread().getContextClassLoader();
try
{
CheckstyleExecutorRequest request = new CheckstyleExecutorRequest();
request.setConsoleListener( getConsoleListener() ).setConsoleOutput( consoleOutput )
.setExcludes( excludes ).setFailsOnError( failsOnError ).setIncludes( includes )
.setResourceIncludes( resourceIncludes )
.setResourceExcludes( resourceExcludes )
.setIncludeResources( includeResources )
.setIncludeTestResources( includeTestResources )
.setIncludeTestSourceDirectory( includeTestSourceDirectory ).setListener( getListener() )
.setProject( project ).setSourceDirectories( getSourceDirectories() )
.setResources( resources ).setTestResources( testResources )
.setStringOutputStream( stringOutputStream ).setSuppressionsLocation( suppressionsLocation )
.setTestSourceDirectories( getTestSourceDirectories() ).setConfigLocation( configLocation )
.setConfigurationArtifacts( collectArtifacts( "config" ) )
.setPropertyExpansion( propertyExpansion )
.setHeaderLocation( headerLocation ).setLicenseArtifacts( collectArtifacts( "license" ) )
.setCacheFile( cacheFile ).setSuppressionsFileExpression( suppressionsFileExpression )
.setEncoding( encoding ).setPropertiesLocation( propertiesLocation )
.setOmitIgnoredModules( omitIgnoredModules );
checkstyleExecutor.executeCheckstyle( request );
}
catch ( CheckstyleException e )
{
throw new MojoExecutionException( "Failed during checkstyle configuration", e );
}
catch ( CheckstyleExecutorException e )
{
throw new MojoExecutionException( "Failed during checkstyle execution", e );
}
finally
{
//be sure to restore original context classloader
Thread.currentThread().setContextClassLoader( currentClassLoader );
}
}
if ( !"xml".equals( outputFileFormat ) && skipExec )
{
throw new MojoExecutionException( "Output format is '" + outputFileFormat
+ "', checkstyle:check requires format to be 'xml' when using skipExec." );
}
if ( !outputXmlFile.exists() )
{
getLog().info( "Unable to perform checkstyle:check, unable to find checkstyle:checkstyle outputFile." );
return;
}
try ( Reader reader = new BufferedReader( ReaderFactory.newXmlReader( outputXmlFile ) ) )
{
XmlPullParser xpp = new MXParser();
xpp.setInput( reader );
int violations = countViolations( xpp );
if ( violations > maxAllowedViolations )
{
if ( failOnViolation )
{
String msg =
"You have " + violations + " Checkstyle violation" + ( ( violations > 1 ) ? "s" : "" ) + ".";
if ( maxAllowedViolations > 0 )
{
msg += " The maximum number of allowed violations is " + maxAllowedViolations + ".";
}
throw new MojoFailureException( msg );
}
getLog().warn( "checkstyle:check violations detected but failOnViolation set to false" );
}
}
catch ( IOException | XmlPullParserException e )
{
throw new MojoExecutionException( "Unable to read Checkstyle results xml: "
+ outputXmlFile.getAbsolutePath(), e );
}
}
private void checkDeprecatedParameterUsage( Object parameter, String name, String replacement )
throws MojoFailureException
{
if ( parameter != null )
{
throw new MojoFailureException( "You are using '" + name + "' which has been removed"
+ " from the maven-checkstyle-plugin. " + "Please use '" + replacement
+ "' and refer to the >>Major Version Upgrade to version 3.0.0<< " + "on the plugin site." );
}
}
private int countViolations( XmlPullParser xpp )
throws XmlPullParserException, IOException
{
int count = 0;
int ignoreCount = 0;
List<RuleUtil.Matcher> ignores = violationIgnore == null ? Collections.<RuleUtil.Matcher>emptyList()
: RuleUtil.parseMatchers( violationIgnore.split( "," ) );
String basedir = project.getBasedir().getAbsolutePath();
String file = "";
for ( int eventType = xpp.getEventType(); eventType != XmlPullParser.END_DOCUMENT; eventType = xpp.next() )
{
if ( eventType != XmlPullParser.START_TAG )
{
continue;
}
else if ( "file".equals( xpp.getName() ) )
{
file = PathTool.getRelativeFilePath( basedir, xpp.getAttributeValue( "", "name" ) );
//file = file.substring( file.lastIndexOf( File.separatorChar ) + 1 );
}
else if ( "error".equals( xpp.getName() ) )
{
String severity = xpp.getAttributeValue( "", "severity" );
if ( !isViolation( severity ) )
{
continue;
}
String source = xpp.getAttributeValue( "", "source" );
if ( ignore( ignores, source ) )
{
ignoreCount++;
}
else
{
count++;
if ( logViolationsToConsole )
{
String line = xpp.getAttributeValue( "", "line" );
String column = xpp.getAttributeValue( "", "column" );
String message = xpp.getAttributeValue( "", "message" );
String rule = RuleUtil.getName( source );
String category = RuleUtil.getCategory( source );
log( severity, file + ":[" + line + ( ( column == null ) ? "" : ( ',' + column ) ) + "] ("
+ category + ") " + rule + ": " + message );
}
}
}
}
if ( ignoreCount > 0 )
{
getLog().info( "Ignored " + ignoreCount + " error" + ( ( ignoreCount > 1 ) ? "s" : "" ) + ", " + count
+ " violation" + ( ( count > 1 ) ? "s" : "" ) + " remaining." );
}
return count;
}
private void log( String severity, String message )
{
if ( "info".equals( severity ) )
{
getLog().info( message );
}
else if ( "warning".equals( severity ) )
{
getLog().warn( message );
}
else
{
getLog().error( message );
}
}
/**
* Checks if the given severity is considered a violation.
*
* @param severity The severity to check
* @return <code>true</code> if the given severity is a violation, otherwise <code>false</code>
*/
private boolean isViolation( String severity )
{
if ( "error".equals( severity ) )
{
return "error".equals( violationSeverity ) || "warning".equals( violationSeverity )
|| "info".equals( violationSeverity );
}
else if ( "warning".equals( severity ) )
{
return "warning".equals( violationSeverity ) || "info".equals( violationSeverity );
}
else if ( "info".equals( severity ) )
{
return "info".equals( violationSeverity );
}
else
{
return false;
}
}
private boolean ignore( List<RuleUtil.Matcher> ignores, String source )
{
for ( RuleUtil.Matcher ignore : ignores )
{
if ( ignore.match( source ) )
{
return true;
}
}
return false;
}
private DefaultLogger getConsoleListener()
throws MojoExecutionException
{
DefaultLogger consoleListener;
if ( useFile == null )
{
stringOutputStream = new ByteArrayOutputStream();
consoleListener = new DefaultLogger( stringOutputStream, OutputStreamOptions.NONE );
}
else
{
OutputStream out = getOutputStream( useFile );
consoleListener = new DefaultLogger( out, OutputStreamOptions.CLOSE );
}
return consoleListener;
}
private OutputStream getOutputStream( File file )
throws MojoExecutionException
{
File parentFile = file.getAbsoluteFile().getParentFile();
if ( !parentFile.exists() )
{
parentFile.mkdirs();
}
FileOutputStream fileOutputStream;
try
{
fileOutputStream = new FileOutputStream( file );
}
catch ( FileNotFoundException e )
{
throw new MojoExecutionException( "Unable to create output stream: " + file, e );
}
return fileOutputStream;
}
private AuditListener getListener()
throws MojoFailureException, MojoExecutionException
{
AuditListener listener = null;
if ( StringUtils.isNotEmpty( outputFileFormat ) )
{
File resultFile = outputFile;
OutputStream out = getOutputStream( resultFile );
if ( "xml".equals( outputFileFormat ) )
{
listener = new XMLLogger( out, OutputStreamOptions.CLOSE );
}
else if ( "plain".equals( outputFileFormat ) )
{
try
{
// Write a plain output file to the standard output file,
// and write an XML output file to the temp directory that can be used to count violations
outputXmlFile = File.createTempFile( "checkstyle-result", ".xml" );
outputXmlFile.deleteOnExit();
OutputStream xmlOut = getOutputStream( outputXmlFile );
CompositeAuditListener compoundListener = new CompositeAuditListener();
compoundListener.addListener( new XMLLogger( xmlOut, OutputStreamOptions.CLOSE ) );
compoundListener.addListener( new DefaultLogger( out, OutputStreamOptions.CLOSE ) );
listener = compoundListener;
}
catch ( IOException e )
{
throw new MojoExecutionException( "Unable to create temporary file", e );
}
}
else
{
throw new MojoFailureException( "Invalid output file format: (" + outputFileFormat
+ "). Must be 'plain' or 'xml'." );
}
}
return listener;
}
private List<Artifact> collectArtifacts( String hint )
{
List<Artifact> artifacts = new ArrayList<>();
PluginManagement pluginManagement = project.getBuild().getPluginManagement();
if ( pluginManagement != null )
{
artifacts.addAll( getCheckstylePluginDependenciesAsArtifacts( pluginManagement.getPluginsAsMap(), hint ) );
}
artifacts.addAll( getCheckstylePluginDependenciesAsArtifacts( project.getBuild().getPluginsAsMap(), hint ) );
return artifacts;
}
private List<Artifact> getCheckstylePluginDependenciesAsArtifacts( Map<String, Plugin> plugins, String hint )
{
List<Artifact> artifacts = new ArrayList<>();
Plugin checkstylePlugin = plugins.get( plugin.getGroupId() + ":" + plugin.getArtifactId() );
if ( checkstylePlugin != null )
{
for ( Dependency dep : checkstylePlugin.getDependencies() )
{
// @todo if we can filter on hints, it should be done here...
String depKey = dep.getGroupId() + ":" + dep.getArtifactId();
artifacts.add( (Artifact) plugin.getArtifactMap().get( depKey ) );
}
}
return artifacts;
}
private List<File> getSourceDirectories()
{
if ( sourceDirectories == null )
{
sourceDirectories = project.getCompileSourceRoots();
}
List<File> sourceDirs = new ArrayList<>( sourceDirectories.size() );
for ( String sourceDir : sourceDirectories )
{
sourceDirs.add( FileUtils.resolveFile( project.getBasedir(), sourceDir ) );
}
return sourceDirs;
}
private List<File> getTestSourceDirectories()
{
if ( testSourceDirectories == null )
{
testSourceDirectories = project.getTestCompileSourceRoots();
}
List<File> testSourceDirs = new ArrayList<>( testSourceDirectories.size() );
for ( String testSourceDir : testSourceDirectories )
{
testSourceDirs.add( FileUtils.resolveFile( project.getBasedir(), testSourceDir ) );
}
return testSourceDirs;
}
}