[MPMD-389] Upgrade to Doxia 2.0.0 Milestone Stack

This closes #126

Author: michael-o

pom.xml

@@ -86,11 +86,11 @@ under the License.
     <pmdVersion>7.3.0</pmdVersion>
     <slf4jVersion>1.7.36</slf4jVersion>
     <resolverVersion>1.4.1</resolverVersion>
-    <doxiaVersion>1.12.0</doxiaVersion>
+    <doxiaVersion>2.0.0-M12</doxiaVersion>
     <compilerPluginVersion>3.11.0</compilerPluginVersion>
-    <sitePluginVersion>3.12.1</sitePluginVersion>
-    <projectInfoReportsPluginVersion>3.4.3</projectInfoReportsPluginVersion>
-    <jxrPluginVersion>3.3.0</jxrPluginVersion>
+    <sitePluginVersion>3.20.0</sitePluginVersion>
+    <projectInfoReportsPluginVersion>3.7.0</projectInfoReportsPluginVersion>
+    <jxrPluginVersion>3.4.0</jxrPluginVersion>
     <project.build.outputTimestamp>2024-07-10T19:17:23Z</project.build.outputTimestamp>
   </properties>
 
@@ -193,55 +193,18 @@ under the License.
       <groupId>org.apache.maven.doxia</groupId>
       <artifactId>doxia-sink-api</artifactId>
       <version>${doxiaVersion}</version>
-      <exclusions>
-        <exclusion>
-          <groupId>org.codehaus.plexus</groupId>
-          <artifactId>plexus-container-default</artifactId>
-        </exclusion>
-      </exclusions>
     </dependency>
     <dependency>
       <groupId>org.apache.maven.doxia</groupId>
       <artifactId>doxia-core</artifactId>
       <version>${doxiaVersion}</version>
-      <exclusions>
-        <exclusion>
-          <groupId>org.codehaus.plexus</groupId>
-          <artifactId>plexus-container-default</artifactId>
-        </exclusion>
-      </exclusions>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.maven.doxia</groupId>
-      <artifactId>doxia-site-renderer</artifactId>
-      <version>1.11.1</version>
-      <scope>runtime</scope>
-      <!--
-        Note: doxia-site-renderer needs to be defined AFTER pmd:
-        doxia-site-renderer requires transitively dom4j 1.1 which provides a very old version of jaxen (same jar).
-        PMD requires a newer version of jaxen, which is not compatible.
-      -->
-      <exclusions>
-        <exclusion>
-          <groupId>org.apache.httpcomponents</groupId>
-          <artifactId>httpclient</artifactId>
-        </exclusion>
-        <exclusion>
-          <groupId>org.codehaus.plexus</groupId>
-          <artifactId>plexus-container-default</artifactId>
-        </exclusion>
-        <exclusion>
-          <groupId>org.codehaus.plexus</groupId>
-          <artifactId>plexus-component-api</artifactId>
-        </exclusion>
-      </exclusions>
     </dependency>
 
     <!-- shared -->
     <dependency>
       <groupId>org.apache.maven.reporting</groupId>
       <artifactId>maven-reporting-impl</artifactId>
-      <version>3.2.0</version>
+      <version>4.0.0-M15</version>
     </dependency>
 
     <!-- plexus -->

src/it/MPMD-165/verify.groovy

@@ -17,7 +17,7 @@
  * under the License.
  */
 
-File pmdHtml = new File( basedir, "target/site/pmd.html" );
+File pmdHtml = new File( basedir, "target/reports/pmd.html" );
 assert pmdHtml.exists()
 
 // Groovy's getText() automatically detects the correct encoding, so that UTF-16 works out of the box

src/it/MPMD-289-format-html-check/verify.groovy

@@ -24,11 +24,11 @@ assert buildLog.exists()
 File pmdXml = new File( basedir, 'target/pmd.xml' )
 assert pmdXml.exists()
 
-File pmdHtmlReport = new File ( basedir, 'target/site/pmd.html' )
+File pmdHtmlReport = new File ( basedir, 'target/reports/pmd.html' )
 assert pmdHtmlReport.exists()
 
 File cpdXml = new File( basedir, 'target/cpd.xml' )
 assert cpdXml.exists()
 
-File cpdHtmlReport = new File ( basedir, 'target/site/cpd.html' )
+File cpdHtmlReport = new File ( basedir, 'target/reports/cpd.html' )
 assert cpdHtmlReport.exists()

src/it/MPMD-304-toolchain-support/verify.groovy

@@ -44,16 +44,16 @@ assert buildLog.text.contains('[WARNING] CPD ' + pmdVersion + ' has found 1 dupl
 assert pmdXml.text.contains( '<violation beginline="24" endline="24" begincolumn="29" endcolumn="35" rule="ExtendsObject"' )
 assert pmdXml.text.contains( '<violation beginline="36" endline="36" begincolumn="9" endcolumn="32" rule="DontCallThreadRun"' )
 
-File pmdSite = new File( basedir, 'target/site/pmd.html' )
-assert pmdSite.exists()
-assert pmdSite.text.contains( 'Sample.java' )
-assert pmdSite.text.contains( 'ExtendsObject' )
-assert pmdSite.text.contains( 'DontCallThreadRun' )
+File pmdHtmlReport = new File( basedir, 'target/reports/pmd.html' )
+assert pmdHtmlReport.exists()
+assert pmdHtmlReport.text.contains( 'Sample.java' )
+assert pmdHtmlReport.text.contains( 'ExtendsObject' )
+assert pmdHtmlReport.text.contains( 'DontCallThreadRun' )
 
 assert cpdXml.text.contains( 'Name.java' )
 assert cpdXml.text.contains( 'Name2.java' )
 
-File cpdSite = new File( basedir, 'target/site/cpd.html' )
-assert cpdSite.exists()
-assert cpdSite.text.contains( 'Name.java' )
-assert cpdSite.text.contains( 'Name2.java' )
+File cpdHtmlReport = new File( basedir, 'target/reports/cpd.html' )
+assert cpdHtmlReport.exists()
+assert cpdHtmlReport.text.contains( 'Name.java' )
+assert cpdHtmlReport.text.contains( 'Name2.java' )

src/it/mpmd-80-included/pom.xml

@@ -28,7 +28,7 @@ under the License.
 
   <name>MPMD-80 included</name>
   <description>
-    Test that the cpd.xml and pmd.xml files are included in the generated site.
+    Test that the cpd.xml and pmd.xml files are included in the generated reports output directory.
   </description>
 
   <build>
@@ -48,7 +48,7 @@ under the License.
         <version>@project.version@</version>
         <configuration>
           <skipPmdError>false</skipPmdError>
-          <includeXmlInSite>true</includeXmlInSite>
+          <includeXmlInReports>true</includeXmlInReports>
         </configuration>
       </plugin>
     </plugins>

src/main/java/org/apache/maven/plugins/pmd/AbstractPmdReport.java

@@ -39,6 +39,7 @@
 import org.apache.maven.execution.MavenSession;
 import org.apache.maven.model.ReportPlugin;
 import org.apache.maven.model.Reporting;
+import org.apache.maven.plugin.MojoExecution;
 import org.apache.maven.plugins.annotations.Component;
 import org.apache.maven.plugins.annotations.Parameter;
 import org.apache.maven.project.MavenProject;
@@ -160,12 +161,12 @@ public abstract class AbstractPmdReport extends AbstractMavenReport {
     protected boolean aggregate;
 
     /**
-     * Whether to include the xml files generated by PMD/CPD in the site.
+     * Whether to include the XML files generated by PMD/CPD in the {@link #getReportOutputDirectory()}.
      *
      * @since 3.0
      */
     @Parameter(defaultValue = "false")
-    protected boolean includeXmlInSite;
+    protected boolean includeXmlInReports;
 
     /**
      * Skip the PMD/CPD report generation if there are no violations or duplications found. Defaults to
@@ -252,12 +253,6 @@ public abstract class AbstractPmdReport extends AbstractMavenReport {
     // Read-only parameters
     // ----------------------------------------------------------------------
 
-    /**
-     * The projects in the reactor for aggregation report.
-     */
-    @Parameter(property = "reactorProjects", readonly = true)
-    protected List<MavenProject> reactorProjects;
-
     /**
      * The current build session instance. This is used for
      * toolchain manager API calls and for dependency resolver API calls.
@@ -276,6 +271,14 @@ protected MavenProject getProject() {
         return project;
     }
 
+    protected List<MavenProject> getReactorProjects() {
+        return reactorProjects;
+    }
+
+    protected MojoExecution getMojoExecution() {
+        return mojoExecution;
+    }
+
     protected String constructXRefLocation(boolean test) {
         String location = null;
         if (linkXRef) {
@@ -460,11 +463,7 @@ protected boolean isXml() {
         return "xml".equals(format);
     }
 
-    /**
-     * {@inheritDoc}
-     */
-    @Override
-    public boolean canGenerateReport() {
+    protected boolean canGenerateReportInternal() throws MavenReportException {
         if (!showPmdLog && !warnedAboutShowPmdLog) {
             getLog().warn("The parameter \"showPmdLog\" has been deprecated and will be removed."
                     + "Setting it to \"false\" has no effect.");
@@ -490,7 +489,7 @@ public boolean canGenerateReport() {
                 return false;
             }
         } catch (IOException e) {
-            getLog().error(e);
+            throw new MavenReportException("Failed to determine files to process for PMD", e);
         }
         return true;
     }

src/main/java/org/apache/maven/plugins/pmd/CpdReport.java

@@ -144,24 +144,16 @@ public void executeReport(Locale locale) throws MavenReportException {
     }
 
     @Override
-    public boolean canGenerateReport() {
+    public boolean canGenerateReport() throws MavenReportException {
         if (skip) {
-            getLog().info("Skipping CPD execution");
             return false;
         }
 
-        boolean result = super.canGenerateReport();
+        boolean result = canGenerateReportInternal();
         if (result) {
-            try {
-                executeCpd();
-                if (skipEmptyReport) {
-                    result = cpdResult.hasDuplications();
-                    if (!result) {
-                        getLog().debug("Skipping report since skipEmptyReport is true and there are no CPD issues.");
-                    }
-                }
-            } catch (MavenReportException e) {
-                throw new RuntimeException(e);
+            executeCpd();
+            if (skipEmptyReport) {
+                result = cpdResult.hasDuplications();
             }
         }
         return result;
@@ -190,7 +182,7 @@ private void executeCpd() throws MavenReportException {
             request.setTargetDirectory(targetDirectory.getAbsolutePath());
             request.setOutputEncoding(getOutputEncoding());
             request.setFormat(format);
-            request.setIncludeXmlInSite(includeXmlInSite);
+            request.setIncludeXmlInReports(includeXmlInReports);
             request.setReportOutputDirectory(getReportOutputDirectory().getAbsolutePath());
 
             Toolchain tc = getToolchain();

src/main/java/org/apache/maven/plugins/pmd/PmdReport.java

@@ -313,25 +313,16 @@ public void executeReport(Locale locale) throws MavenReportException {
     }
 
     @Override
-    public boolean canGenerateReport() {
+    public boolean canGenerateReport() throws MavenReportException {
         if (skip) {
-            getLog().info("Skipping PMD execution");
             return false;
         }
 
-        boolean result = super.canGenerateReport();
+        boolean result = canGenerateReportInternal();
         if (result) {
-            try {
-                executePmd();
-                if (skipEmptyReport) {
-                    result = pmdResult.hasViolations();
-                    if (!result) {
-                        getLog().debug("Skipping report since skipEmptyReport is true and "
-                                + "there are no PMD violations.");
-                    }
-                }
-            } catch (MavenReportException e) {
-                throw new RuntimeException(e);
+            executePmd();
+            if (skipEmptyReport) {
+                result = pmdResult.hasViolations();
             }
         }
         return result;
@@ -370,7 +361,7 @@ private void executePmd() throws MavenReportException {
         request.setOutputEncoding(getOutputEncoding());
         request.setFormat(format);
         request.setSkipPmdError(skipPmdError);
-        request.setIncludeXmlInSite(includeXmlInSite);
+        request.setIncludeXmlInReports(includeXmlInReports);
         request.setReportOutputDirectory(getReportOutputDirectory().getAbsolutePath());
         request.setLogLevel(determineCurrentRootLogLevel());
 

src/main/java/org/apache/maven/plugins/pmd/exec/CpdReportConsumer.java

@@ -67,12 +67,12 @@ public void accept(CPDReport report) {
 
     private void writeXmlReport(CPDReport cpd) throws IOException {
         File targetFile = writeReport(cpd, new XMLRenderer(request.getOutputEncoding()), "xml");
-        if (request.isIncludeXmlInSite()) {
-            File siteDir = new File(request.getReportOutputDirectory());
-            if (!siteDir.exists() && !siteDir.mkdirs()) {
-                throw new IOException("Couldn't create report output directory: " + siteDir);
+        if (request.isIncludeXmlInReports()) {
+            File outputDirectory = new File(request.getReportOutputDirectory());
+            if (!outputDirectory.exists() && !outputDirectory.mkdirs()) {
+                throw new IOException("Couldn't create report output directory: " + outputDirectory);
             }
-            FileUtils.copyFile(targetFile, new File(siteDir, "cpd.xml"));
+            FileUtils.copyFile(targetFile, new File(outputDirectory, "cpd.xml"));
         }
     }
 
@@ -88,7 +88,7 @@ private File writeReport(CPDReport cpd, CPDReportRenderer renderer, String exten
 
         File targetDir = new File(request.getTargetDirectory());
         if (!targetDir.exists() && !targetDir.mkdirs()) {
-            throw new IOException("Couldn't create report output directory: " + targetDir);
+            throw new IOException("Couldn't create report target directory: " + targetDir);
         }
 
         File targetFile = new File(targetDir, "cpd." + extension);

src/main/java/org/apache/maven/plugins/pmd/exec/CpdRequest.java

@@ -50,7 +50,7 @@ public class CpdRequest implements Serializable {
     private String targetDirectory;
     private String outputEncoding;
     private String format;
-    private boolean includeXmlInSite;
+    private boolean includeXmlInReports;
     private String reportOutputDirectory;
     private boolean ignoreAnnotations;
     private boolean ignoreIdentifiers;
@@ -96,8 +96,8 @@ public void setFormat(String format) {
         this.format = format;
     }
 
-    public void setIncludeXmlInSite(boolean includeXmlInSite) {
-        this.includeXmlInSite = includeXmlInSite;
+    public void setIncludeXmlInReports(boolean includeXmlInReports) {
+        this.includeXmlInReports = includeXmlInReports;
     }
 
     public void setReportOutputDirectory(String reportOutputDirectory) {
@@ -148,8 +148,8 @@ public String getFormat() {
         return format;
     }
 
-    public boolean isIncludeXmlInSite() {
-        return includeXmlInSite;
+    public boolean isIncludeXmlInReports() {
+        return includeXmlInReports;
     }
 
     public String getReportOutputDirectory() {