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AbstractFixJavadocMojo.java
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AbstractFixJavadocMojo.java
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package org.apache.maven.plugins.javadoc;
/*
* 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 com.thoughtworks.qdox.JavaProjectBuilder;
import com.thoughtworks.qdox.library.ClassLibraryBuilder;
import com.thoughtworks.qdox.library.OrderedClassLibraryBuilder;
import com.thoughtworks.qdox.model.DocletTag;
import com.thoughtworks.qdox.model.JavaAnnotatedElement;
import com.thoughtworks.qdox.model.JavaAnnotation;
import com.thoughtworks.qdox.model.JavaClass;
import com.thoughtworks.qdox.model.JavaConstructor;
import com.thoughtworks.qdox.model.JavaExecutable;
import com.thoughtworks.qdox.model.JavaField;
import com.thoughtworks.qdox.model.JavaGenericDeclaration;
import com.thoughtworks.qdox.model.JavaMember;
import com.thoughtworks.qdox.model.JavaMethod;
import com.thoughtworks.qdox.model.JavaParameter;
import com.thoughtworks.qdox.model.JavaType;
import com.thoughtworks.qdox.model.JavaTypeVariable;
import com.thoughtworks.qdox.parser.ParseException;
import com.thoughtworks.qdox.type.TypeResolver;
import org.apache.commons.lang3.ClassUtils;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.DependencyResolutionRequiredException;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugins.annotations.Component;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.project.MavenProject;
import org.apache.maven.settings.Settings;
import org.apache.maven.shared.invoker.MavenInvocationException;
import org.codehaus.plexus.components.interactivity.InputHandler;
import org.codehaus.plexus.languages.java.version.JavaVersion;
import org.codehaus.plexus.util.FileUtils;
import org.codehaus.plexus.util.ReaderFactory;
import org.codehaus.plexus.util.StringUtils;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringReader;
import java.io.StringWriter;
import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URISyntaxException;
import java.net.URL;
import java.net.URLClassLoader;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Abstract class to fix Javadoc documentation and tags in source files.
* <br>
* See <a href="https://docs.oracle.com/javase/7/docs/technotes/tools/windows/javadoc.html#wheretags">Where Tags
* Can Be Used</a>.
*
* @author <a href="mailto:vincent.siveton@gmail.com">Vincent Siveton</a>
* @since 2.6
*/
public abstract class AbstractFixJavadocMojo
extends AbstractMojo
{
/**
* The vm line separator
*/
private static final String EOL = System.getProperty( "line.separator" );
/**
* Tag name for @author *
*/
private static final String AUTHOR_TAG = "author";
/**
* Tag name for @version *
*/
private static final String VERSION_TAG = "version";
/**
* Tag name for @since *
*/
private static final String SINCE_TAG = "since";
/**
* Tag name for @param *
*/
private static final String PARAM_TAG = "param";
/**
* Tag name for @return *
*/
private static final String RETURN_TAG = "return";
/**
* Tag name for @throws *
*/
private static final String THROWS_TAG = "throws";
/**
* Tag name for @link *
*/
private static final String LINK_TAG = "link";
/**
* Tag name for {@inheritDoc} *
*/
private static final String INHERITED_TAG = "{@inheritDoc}";
/**
* Start Javadoc String i.e. <code>/**</code> *
*/
private static final String START_JAVADOC = "/**";
/**
* End Javadoc String i.e. <code>*/</code> *
*/
private static final String END_JAVADOC = "*/";
/**
* Javadoc Separator i.e. <code> * </code> *
*/
private static final String SEPARATOR_JAVADOC = " * ";
/**
* Inherited Javadoc i.e. <code>/** {@inheritDoc} */</code> *
*/
private static final String INHERITED_JAVADOC = START_JAVADOC + " " + INHERITED_TAG + " " + END_JAVADOC;
/**
* <code>all</code> parameter used by {@link #fixTags} *
*/
private static final String FIX_TAGS_ALL = "all";
/**
* <code>public</code> parameter used by {@link #level} *
*/
private static final String LEVEL_PUBLIC = "public";
/**
* <code>protected</code> parameter used by {@link #level} *
*/
private static final String LEVEL_PROTECTED = "protected";
/**
* <code>package</code> parameter used by {@link #level} *
*/
private static final String LEVEL_PACKAGE = "package";
/**
* <code>private</code> parameter used by {@link #level} *
*/
private static final String LEVEL_PRIVATE = "private";
/**
* The Clirr Maven plugin groupId <code>org.codehaus.mojo</code> *
*/
private static final String CLIRR_MAVEN_PLUGIN_GROUPID = "org.codehaus.mojo";
/**
* The Clirr Maven plugin artifactId <code>clirr-maven-plugin</code> *
*/
private static final String CLIRR_MAVEN_PLUGIN_ARTIFACTID = "clirr-maven-plugin";
/**
* The latest Clirr Maven plugin version <code>2.2.2</code> *
*/
private static final String CLIRR_MAVEN_PLUGIN_VERSION = "2.2.2";
/**
* The Clirr Maven plugin goal <code>check</code> *
*/
private static final String CLIRR_MAVEN_PLUGIN_GOAL = "check";
/**
* Java Files Pattern.
*/
public static final String JAVA_FILES = "**\\/*.java";
/**
* Default version value.
*/
public static final String DEFAULT_VERSION_VALUE = "\u0024Id: \u0024Id";
// ----------------------------------------------------------------------
// Mojo components
// ----------------------------------------------------------------------
/**
* Input handler, needed for command line handling.
*/
@Component
private InputHandler inputHandler;
// ----------------------------------------------------------------------
// Mojo parameters
// ----------------------------------------------------------------------
/**
* Version to compare the current code against using the
* <a href="http://mojo.codehaus.org/clirr-maven-plugin/">Clirr Maven Plugin</a>.
* <br/>
* See <a href="#defaultSince">defaultSince</a>.
*/
@Parameter ( property = "comparisonVersion", defaultValue = "(,${project.version})" )
private String comparisonVersion;
/**
* Default value for the Javadoc tag <code>@author</code>.
* <br/>
* If not specified, the <code>user.name</code> defined in the System properties will be used.
*/
@Parameter ( property = "defaultAuthor" )
private String defaultAuthor;
/**
* Default value for the Javadoc tag <code>@since</code>.
*/
@Parameter ( property = "defaultSince", defaultValue = "${project.version}" )
private String defaultSince;
/**
* Default value for the Javadoc tag <code>@version</code>.
* <br/>
* By default, it is <code>$Id:$</code>, corresponding to a
* <a href="http://svnbook.red-bean.com/en/1.1/ch07s02.html#svn-ch-7-sect-2.3.4">SVN keyword</a>.
* Refer to your SCM to use an other SCM keyword.
*/
@Parameter ( property = "defaultVersion", defaultValue = DEFAULT_VERSION_VALUE )
private String defaultVersion = "\u0024Id: \u0024"; // can't use default-value="\u0024Id: \u0024"
/**
* 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.
*/
@Parameter ( property = "encoding", defaultValue = "${project.build.sourceEncoding}" )
private String encoding;
/**
* Comma separated excludes Java files, i.e. <code>**/*Test.java</code>.
*/
@Parameter ( property = "excludes" )
private String excludes;
/**
* Comma separated tags to fix in classes, interfaces or methods Javadoc comments.
* Possible values are:
* <ul>
* <li>all (fix all Javadoc tags)</li>
* <li>author (fix only @author tag)</li>
* <li>version (fix only @version tag)</li>
* <li>since (fix only @since tag)</li>
* <li>param (fix only @param tag)</li>
* <li>return (fix only @return tag)</li>
* <li>throws (fix only @throws tag)</li>
* <li>link (fix only @link tag)</li>
* </ul>
*/
@Parameter ( property = "fixTags", defaultValue = "all" )
private String fixTags;
/**
* Flag to fix the classes or interfaces Javadoc comments according the <code>level</code>.
*/
@Parameter ( property = "fixClassComment", defaultValue = "true" )
private boolean fixClassComment;
/**
* Flag to fix the fields Javadoc comments according the <code>level</code>.
*/
@Parameter ( property = "fixFieldComment", defaultValue = "true" )
private boolean fixFieldComment;
/**
* Flag to fix the methods Javadoc comments according the <code>level</code>.
*/
@Parameter ( property = "fixMethodComment", defaultValue = "true" )
private boolean fixMethodComment;
/**
* <p>Flag to remove throws tags from unknown classes.</p>
* <p><strong>NOTE:</strong>Since 3.1.0 the default value has been changed to {@code true},
* due to JavaDoc 8 strictness.
*/
@Parameter ( property = "removeUnknownThrows", defaultValue = "true" )
private boolean removeUnknownThrows;
/**
* Forcing the goal execution i.e. skip warranty messages (not recommended).
*/
@Parameter ( property = "force" )
private boolean force;
/**
* Flag to ignore or not Clirr.
*/
@Parameter ( property = "ignoreClirr", defaultValue = "false" )
protected boolean ignoreClirr;
/**
* Comma separated includes Java files, i.e. <code>**/*Test.java</code>.
* <p/>
* <strong>Note:</strong> default value is {@code **\/*.java}.
*/
@Parameter ( property = "includes", defaultValue = JAVA_FILES )
private String includes;
/**
* Specifies the access level for classes and members to show in the Javadocs.
* Possible values are:
* <ul>
* <li><a href="http://docs.oracle.com/javase/7/docs/technotes/tools/windows/javadoc.html#public">public</a>
* (shows only public classes and members)</li>
* <li><a href="http://docs.oracle.com/javase/7/docs/technotes/tools/windows/javadoc.html#protected">protected</a>
* (shows only public and protected classes and members)</li>
* <li><a href="http://docs.oracle.com/javase/7/docs/technotes/tools/windows/javadoc.html#package">package</a>
* (shows all classes and members not marked private)</li>
* <li><a href="http://docs.oracle.com/javase/7/docs/technotes/tools/windows/javadoc.html#private">private</a>
* (shows all classes and members)</li>
* </ul>
*/
@Parameter ( property = "level", defaultValue = "protected" )
private String level;
/**
* The local repository where the artifacts are located, used by the tests.
*/
@Parameter ( property = "localRepository" )
private ArtifactRepository localRepository;
/**
* Output directory where Java classes will be rewritten.
*/
@Parameter ( property = "outputDirectory", defaultValue = "${project.build.sourceDirectory}" )
private File outputDirectory;
/**
* The Maven Project Object.
*/
@Parameter( defaultValue = "${project}", readonly = true, required = true )
private MavenProject project;
@Parameter ( defaultValue = "${session}", readonly = true, required = true )
private MavenSession session;
/**
* The current user system settings for use in Maven.
*/
@Parameter( defaultValue = "${settings}", readonly = true, required = true )
private Settings settings;
// ----------------------------------------------------------------------
// Internal fields
// ----------------------------------------------------------------------
/**
* The current project class loader.
*/
private ClassLoader projectClassLoader;
/**
* Split {@link #fixTags} by comma.
*
* @see #init()
*/
private String[] fixTagsSplitted;
/**
* New classes found by Clirr.
*/
private List<String> clirrNewClasses;
/**
* New Methods in a Class (the key) found by Clirr.
*/
private Map<String, List<String>> clirrNewMethods;
/**
* List of classes where <code>*since</code> is added. Will be used to add or not this tag in the methods.
*/
private List<String> sinceClasses;
/**
* {@inheritDoc}
*/
@Override
public void execute()
throws MojoExecutionException, MojoFailureException
{
if ( !fixClassComment && !fixFieldComment && !fixMethodComment )
{
getLog().info( "Specified to NOT fix classes, fields and methods. Nothing to do." );
return;
}
// verify goal params
init();
if ( fixTagsSplitted.length == 0 )
{
getLog().info( "No fix tag specified. Nothing to do." );
return;
}
// add warranty msg
if ( !preCheck() )
{
return;
}
// run clirr
try
{
executeClirr();
}
catch ( MavenInvocationException e )
{
if ( getLog().isDebugEnabled() )
{
getLog().error( "MavenInvocationException: " + e.getMessage(), e );
}
else
{
getLog().error( "MavenInvocationException: " + e.getMessage() );
}
getLog().info( "Clirr is ignored." );
}
// run qdox and process
try
{
Collection<JavaClass> javaClasses = getQdoxClasses();
if ( javaClasses != null )
{
for ( JavaClass javaClass : javaClasses )
{
processFix( javaClass );
}
}
}
catch ( IOException e )
{
throw new MojoExecutionException( "IOException: " + e.getMessage(), e );
}
}
// ----------------------------------------------------------------------
// protected methods
// ----------------------------------------------------------------------
protected final MavenProject getProject()
{
return project;
}
/**
* @param p not null maven project.
* @return the artifact type.
*/
protected String getArtifactType( MavenProject p )
{
return p.getArtifact().getType();
}
/**
* @param p not null maven project.
* @return the list of source paths for the given project.
*/
protected List<String> getProjectSourceRoots( MavenProject p )
{
return ( p.getCompileSourceRoots() == null
? Collections.<String>emptyList()
: new LinkedList<>( p.getCompileSourceRoots() ) );
}
/**
* @param p not null
* @return the compile classpath elements
* @throws DependencyResolutionRequiredException
* if any
*/
protected List<String> getCompileClasspathElements( MavenProject p )
throws DependencyResolutionRequiredException
{
return ( p.getCompileClasspathElements() == null
? Collections.<String>emptyList()
: new LinkedList<>( p.getCompileClasspathElements() ) );
}
/**
* @param javaExecutable not null
* @return the fully qualify name of javaMethod with signature
*/
protected static String getJavaMethodAsString( JavaExecutable javaExecutable )
{
return javaExecutable.getDeclaringClass().getFullyQualifiedName() + "#" + javaExecutable.getCallSignature();
}
// ----------------------------------------------------------------------
// private methods
// ----------------------------------------------------------------------
/**
* Init goal parameters.
*/
private void init()
{
// defaultAuthor
if ( StringUtils.isEmpty( defaultAuthor ) )
{
defaultAuthor = System.getProperty( "user.name" );
}
// defaultSince
int i = defaultSince.indexOf( "-" + Artifact.SNAPSHOT_VERSION );
if ( i != -1 )
{
defaultSince = defaultSince.substring( 0, i );
}
// fixTags
if ( !FIX_TAGS_ALL.equalsIgnoreCase( fixTags.trim() ) )
{
String[] split = StringUtils.split( fixTags, "," );
List<String> filtered = new LinkedList<>();
for ( String aSplit : split )
{
String s = aSplit.trim();
if ( JavadocUtil.equalsIgnoreCase( s, FIX_TAGS_ALL, AUTHOR_TAG, VERSION_TAG, SINCE_TAG, PARAM_TAG,
THROWS_TAG, LINK_TAG, RETURN_TAG ) )
{
filtered.add( s );
}
else
{
if ( getLog().isWarnEnabled() )
{
getLog().warn( "Unrecognized '" + s + "' for fixTags parameter. Ignored it!" );
}
}
}
fixTags = StringUtils.join( filtered.iterator(), "," );
}
fixTagsSplitted = StringUtils.split( fixTags, "," );
// encoding
if ( StringUtils.isEmpty( encoding ) )
{
if ( getLog().isWarnEnabled() )
{
getLog().warn( "File encoding has not been set, using platform encoding " + ReaderFactory.FILE_ENCODING
+ ", i.e. build is platform dependent!" );
}
encoding = ReaderFactory.FILE_ENCODING;
}
// level
level = level.trim();
if ( !JavadocUtil.equalsIgnoreCase( level, LEVEL_PUBLIC, LEVEL_PROTECTED, LEVEL_PACKAGE, LEVEL_PRIVATE ) )
{
if ( getLog().isWarnEnabled() )
{
getLog().warn( "Unrecognized '" + level + "' for level parameter, using 'protected' level." );
}
level = "protected";
}
}
/**
* @return <code>true</code> if the user wants to proceed, <code>false</code> otherwise.
* @throws MojoExecutionException if any
*/
private boolean preCheck()
throws MojoExecutionException
{
if ( force )
{
return true;
}
if ( outputDirectory != null && !outputDirectory.getAbsolutePath().equals(
getProjectSourceDirectory().getAbsolutePath() ) )
{
return true;
}
if ( !settings.isInteractiveMode() )
{
getLog().error( "Maven is not attempt to interact with the user for input. "
+ "Verify the <interactiveMode/> configuration in your settings." );
return false;
}
getLog().warn( "" );
getLog().warn( " WARRANTY DISCLAIMER" );
getLog().warn( "" );
getLog().warn( "All warranties with regard to this Maven goal are disclaimed!" );
getLog().warn( "The changes will be done directly in the source code." );
getLog().warn( "The Maven Team strongly recommends the use of a SCM software BEFORE executing this goal." );
getLog().warn( "" );
while ( true )
{
getLog().info( "Are you sure to proceed? [Y]es [N]o" );
try
{
String userExpression = inputHandler.readLine();
if ( userExpression == null || JavadocUtil.equalsIgnoreCase( userExpression, "Y", "Yes" ) )
{
getLog().info( "OK, let's proceed..." );
break;
}
if ( JavadocUtil.equalsIgnoreCase( userExpression, "N", "No" ) )
{
getLog().info( "No changes in your sources occur." );
return false;
}
}
catch ( IOException e )
{
throw new MojoExecutionException( "Unable to read from standard input.", e );
}
}
return true;
}
/**
* @return the source dir as File for the given project
*/
private File getProjectSourceDirectory()
{
return new File( project.getBuild().getSourceDirectory() );
}
/**
* Invoke Maven to run clirr-maven-plugin to find API differences.
*
* @throws MavenInvocationException if any
*/
private void executeClirr()
throws MavenInvocationException
{
if ( ignoreClirr )
{
getLog().info( "Clirr is ignored." );
return;
}
String clirrGoal = getFullClirrGoal();
// http://mojo.codehaus.org/clirr-maven-plugin/check-mojo.html
File clirrTextOutputFile =
FileUtils.createTempFile( "clirr", ".txt", new File( project.getBuild().getDirectory() ) );
Properties properties = new Properties();
properties.put( "textOutputFile", clirrTextOutputFile.getAbsolutePath() );
properties.put( "comparisonVersion", comparisonVersion );
properties.put( "failOnError", "false" );
if ( JavaVersion.JAVA_SPECIFICATION_VERSION.isBefore( "8" ) )
{
// ensure that Java7 picks up TLSv1.2 when connecting with Central
properties.put( "https.protocols", "TLSv1.2" );
}
File invokerDir = new File( project.getBuild().getDirectory(), "invoker" );
invokerDir.mkdirs();
File invokerLogFile = FileUtils.createTempFile( "clirr-maven-plugin", ".txt", invokerDir );
new File( project.getBuild().getDirectory(), "invoker-clirr-maven-plugin.txt" );
JavadocUtil.invokeMaven( getLog(), new File( localRepository.getBasedir() ), project.getFile(),
Collections.singletonList( clirrGoal ), properties, invokerLogFile,
session.getRequest().getGlobalSettingsFile() );
try
{
if ( invokerLogFile.exists() )
{
String invokerLogContent =
StringUtils.unifyLineSeparators( FileUtils.fileRead( invokerLogFile, "UTF-8" ) );
// see org.codehaus.mojo.clirr.AbstractClirrMojo#getComparisonArtifact()
final String artifactNotFoundMsg = "Unable to find a previous version of the project in the repository";
if ( invokerLogContent.contains( artifactNotFoundMsg ) )
{
getLog().warn( "No previous artifact has been deployed, Clirr is ignored." );
return;
}
}
}
catch ( IOException e )
{
getLog().debug( "IOException: " + e.getMessage() );
}
try
{
parseClirrTextOutputFile( clirrTextOutputFile );
}
catch ( IOException e )
{
if ( getLog().isDebugEnabled() )
{
getLog().debug( "IOException: " + e.getMessage(), e );
}
getLog().info( "IOException when parsing Clirr output '" + clirrTextOutputFile.getAbsolutePath()
+ "', Clirr is ignored." );
}
}
/**
* @param clirrTextOutputFile not null
* @throws IOException if any
*/
private void parseClirrTextOutputFile( File clirrTextOutputFile )
throws IOException
{
if ( !clirrTextOutputFile.exists() )
{
if ( getLog().isInfoEnabled() )
{
getLog().info(
"No Clirr output file '" + clirrTextOutputFile.getAbsolutePath() + "' exists, Clirr is ignored." );
}
return;
}
if ( getLog().isInfoEnabled() )
{
getLog().info( "Clirr output file was created: " + clirrTextOutputFile.getAbsolutePath() );
}
clirrNewClasses = new LinkedList<>();
clirrNewMethods = new LinkedHashMap<>();
try ( BufferedReader reader = new BufferedReader( ReaderFactory.newReader( clirrTextOutputFile, "UTF-8" ) ) )
{
for ( String line = reader.readLine(); line != null; line = reader.readLine() )
{
String[] split = StringUtils.split( line, ":" );
if ( split.length != 4 )
{
if ( getLog().isDebugEnabled() )
{
getLog().debug( "Unable to parse the clirr line: " + line );
}
continue;
}
int code;
try
{
code = Integer.parseInt( split[1].trim() );
}
catch ( NumberFormatException e )
{
if ( getLog().isDebugEnabled() )
{
getLog().debug( "Unable to parse the clirr line: " + line );
}
continue;
}
// http://clirr.sourceforge.net/clirr-core/exegesis.html
// 7011 - Method Added
// 7012 - Method Added to Interface
// 8000 - Class Added
// CHECKSTYLE_OFF: MagicNumber
switch ( code )
{
case 7011:
methodAdded( split );
break;
case 7012:
methodAdded( split );
break;
case 8000:
clirrNewClasses.add( split[2].trim() );
break;
default:
break;
}
// CHECKSTYLE_ON: MagicNumber
}
}
if ( clirrNewClasses.isEmpty() && clirrNewMethods.isEmpty() )
{
getLog().info( "Clirr NOT found API differences." );
}
else
{
getLog().info( "Clirr found API differences, i.e. new classes/interfaces or methods." );
}
}
private void methodAdded( String[] split )
{
List<String> list = clirrNewMethods.get( split[2].trim() );
if ( list == null )
{
list = new ArrayList<>();
}
String[] splits2 = StringUtils.split( split[3].trim(), "'" );
if ( splits2.length != 3 )
{
return;
}
list.add( splits2[1].trim() );
clirrNewMethods.put( split[2].trim(), list );
}
/**
* @param tag not null
* @return <code>true</code> if <code>tag</code> is defined in {@link #fixTags}.
*/
private boolean fixTag( String tag )
{
if ( fixTagsSplitted.length == 1 && fixTagsSplitted[0].equals( FIX_TAGS_ALL ) )
{
return true;
}
for ( String aFixTagsSplitted : fixTagsSplitted )
{
if ( aFixTagsSplitted.trim().equals( tag ) )
{
return true;
}
}
return false;
}
/**
* Calling Qdox to find {@link JavaClass} objects from the Maven project sources.
* Ignore java class if Qdox has parsing errors.
*
* @return an array of {@link JavaClass} found by QDox
* @throws IOException if any
* @throws MojoExecutionException if any
*/
private Collection<JavaClass> getQdoxClasses()
throws IOException, MojoExecutionException
{
if ( "pom".equalsIgnoreCase( project.getPackaging() ) )
{
getLog().warn( "This project has 'pom' packaging, no Java sources is available." );
return null;
}
List<File> javaFiles = new LinkedList<>();
for ( String sourceRoot : getProjectSourceRoots( project ) )
{
File f = new File( sourceRoot );
if ( f.isDirectory() )
{
javaFiles.addAll( FileUtils.getFiles( f, includes, excludes, true ) );
}
else
{
if ( getLog().isWarnEnabled() )
{
getLog().warn( f + " doesn't exist. Ignored it." );
}
}
}
ClassLibraryBuilder classLibraryBuilder = new OrderedClassLibraryBuilder();
classLibraryBuilder.appendClassLoader( getProjectClassLoader() );
JavaProjectBuilder builder = new JavaProjectBuilder( classLibraryBuilder );
builder.setEncoding( encoding );
for ( File f : javaFiles )
{
if ( !f.getAbsolutePath().toLowerCase( Locale.ENGLISH ).endsWith( ".java" ) && getLog().isWarnEnabled() )
{
getLog().warn( "'" + f + "' is not a Java file. Ignored it." );
continue;
}
try
{
builder.addSource( f );
}
catch ( ParseException e )
{
if ( getLog().isWarnEnabled() )
{
getLog().warn( "QDOX ParseException: " + e.getMessage() + ". Can't fix it." );
}
}
}
return builder.getClasses();
}
/**
* @return the classLoader for the given project using lazy instantiation.
* @throws MojoExecutionException if any
*/
private ClassLoader getProjectClassLoader()
throws MojoExecutionException
{
if ( projectClassLoader == null )
{
List<String> classPath;
try
{
classPath = getCompileClasspathElements( project );
}
catch ( DependencyResolutionRequiredException e )
{
throw new MojoExecutionException( "DependencyResolutionRequiredException: " + e.getMessage(), e );
}
List<URL> urls = new ArrayList<>( classPath.size() );
for ( String filename : classPath )
{
try
{
urls.add( new File( filename ).toURI().toURL() );
}
catch ( MalformedURLException e )
{
throw new MojoExecutionException( "MalformedURLException: " + e.getMessage(), e );
}
}
projectClassLoader = new URLClassLoader( urls.toArray( new URL[urls.size()] ), null );
}
return projectClassLoader;
}
/**
* Process the given {@link JavaClass}, ie add missing javadoc tags depending user parameters.
*
* @param javaClass not null
* @throws IOException if any
* @throws MojoExecutionException if any
*/
private void processFix( JavaClass javaClass )
throws IOException, MojoExecutionException
{
// Skipping inner classes
if ( javaClass.isInner() )
{
return;
}
File javaFile;
try
{
javaFile = Paths.get( javaClass.getSource().getURL().toURI() ).toFile();
}
catch ( URISyntaxException e )
{
throw new MojoExecutionException( e.getMessage() );
}
// the original java content in memory
final String originalContent = StringUtils.unifyLineSeparators( FileUtils.fileRead( javaFile, encoding ) );