[MCHECKSTYLE-435] Remove deprecated RSS feature

This closes #117

Author: michael-o

pom.xml

@@ -172,25 +172,6 @@ under the License.
       <artifactId>plexus-utils</artifactId>
       <version>3.5.1</version>
     </dependency>
-    <dependency>
-      <groupId>org.codehaus.plexus</groupId>
-      <artifactId>plexus-velocity</artifactId>
-      <version>1.2</version>
-      <exclusions>
-        <exclusion>
-          <groupId>org.codehaus.plexus</groupId>
-          <artifactId>plexus-container-default</artifactId>
-        </exclusion>
-        <exclusion>
-          <groupId>org.codehaus.plexus</groupId>
-          <artifactId>plexus-component-api</artifactId>
-        </exclusion>
-        <exclusion>
-          <groupId>velocity</groupId>
-          <artifactId>velocity</artifactId>
-        </exclusion>
-      </exclusions>
-    </dependency>
 
     <!-- checkstyle -->
     <dependency>
@@ -204,13 +185,6 @@ under the License.
       <version>3.12.0</version>
     </dependency>
 
-    <!-- misc -->
-    <dependency>
-      <groupId>org.apache.velocity</groupId>
-      <artifactId>velocity</artifactId>
-      <version>1.7</version>
-    </dependency>
-
     <!-- test -->
     <dependency>
       <groupId>org.codehaus.plexus</groupId>

src/it/MCHECKSTYLE-357-with-header-override/pom.xml

@@ -187,9 +187,6 @@
         <plugins>
             <plugin>
                 <artifactId>maven-checkstyle-plugin</artifactId>
-                <configuration>
-                    <enableRSS>true</enableRSS>
-                </configuration>
                 <reportSets>
                      <reportSet>
                          <reports>

src/it/MCHECKSTYLE-357-with-header-override/verify.groovy

@@ -24,7 +24,4 @@ assert new File(basedir, 'target/checkstyle-checker.xml').exists();
 assert new File(basedir, 'target/checkstyle-result.xml').exists();
 assert new File(basedir, 'target/checkstyle-rules.xml').exists();
 
-File rssFile = new File( basedir, 'target/site/checkstyle.rss' );
-assert rssFile.exists();
-
 return true;

src/it/MCHECKSTYLE-357/pom.xml

@@ -172,9 +172,6 @@
         <plugins>
             <plugin>
                 <artifactId>maven-checkstyle-plugin</artifactId>
-                <configuration>
-                    <enableRSS>true</enableRSS>
-                </configuration>
                 <reportSets>
                      <reportSet>
                          <reports>

src/it/MCHECKSTYLE-357/verify.groovy

@@ -24,7 +24,4 @@ assert new File(basedir, 'target/checkstyle-checker.xml').exists();
 assert new File(basedir, 'target/checkstyle-result.xml').exists();
 assert new File(basedir, 'target/checkstyle-rules.xml').exists();
 
-File rssFile = new File( basedir, 'target/site/checkstyle.rss' );
-assert rssFile.exists();
-
 return true;

src/it/checkstyle-goal/pom.xml

@@ -41,9 +41,6 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-checkstyle-plugin</artifactId>
         <version>@project.version@</version>
-        <configuration>
-          <enableRSS>true</enableRSS>
-        </configuration>
       </plugin>
     </plugins>
   </build>

src/it/checkstyle-goal/verify.groovy

@@ -24,20 +24,7 @@ assert new File( basedir, 'target/checkstyle-checker.xml' ).exists();
 assert new File( basedir, 'target/checkstyle-header.txt' ).exists();
 assert new File( basedir, 'target/checkstyle-result.xml' ).exists();
 
-File rssFile = new File( basedir, 'target/site/checkstyle.rss' );
-assert rssFile.exists();
-
-def rss = new XmlParser().parse( rssFile );
-
-def channel = rss.channel[0]
-
-assert channel.title.text() == 'check-pass - Checkstyle report'
-
-def item = channel.item[0]
-assert item != null
-assert item.title.text().startsWith('File: 1,')
-
 def html = new File( basedir, 'target/site/checkstyle.html' ).text;
 assert html.contains( '<meta charset="UTF-8" />' );
 
-return true;
+return true;

src/it/checkstyle-report/pom.xml

@@ -56,9 +56,6 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-checkstyle-plugin</artifactId>
         <version>@project.version@</version>
-        <configuration>
-          <enableRSS>true</enableRSS>
-        </configuration>
         <reportSets>
           <reportSet>
             <reports>

src/it/checkstyle-report/verify.groovy

@@ -26,18 +26,4 @@ assert new File(basedir, 'target/checkstyle-checker.xml').exists();
 assert new File(basedir, 'target/checkstyle-header.txt').exists();
 assert new File(basedir, 'target/checkstyle-result.xml').exists();
 
-File rssFile = new File( basedir, 'target/site/checkstyle.rss' );
-assert rssFile.exists();
-
-def rss = new XmlParser().parse( rssFile );
-
-def channel = rss.channel[0]
-
-assert channel.title.text() == 'check-pass - Checkstyle report'
-
-def item = channel.item[0]
-assert item != null
-assert item.title.text().startsWith('File: 1,')
-
-
-return true;
+return true;

src/main/java/org/apache/maven/plugins/checkstyle/AbstractCheckstyleReport.java

@@ -25,7 +25,6 @@
 import java.io.IOException;
 import java.io.OutputStream;
 import java.util.ArrayList;
-import java.util.Calendar;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
@@ -51,8 +50,6 @@
 import org.apache.maven.plugins.checkstyle.exec.CheckstyleExecutorException;
 import org.apache.maven.plugins.checkstyle.exec.CheckstyleExecutorRequest;
 import org.apache.maven.plugins.checkstyle.exec.CheckstyleResults;
-import org.apache.maven.plugins.checkstyle.rss.CheckstyleRssGenerator;
-import org.apache.maven.plugins.checkstyle.rss.CheckstyleRssGeneratorRequest;
 import org.apache.maven.reporting.AbstractMavenReport;
 import org.apache.maven.reporting.MavenReportException;
 import org.codehaus.plexus.configuration.PlexusConfiguration;
@@ -67,8 +64,6 @@
  *
  */
 public abstract class AbstractCheckstyleReport extends AbstractMavenReport {
-    public static final String PLUGIN_RESOURCES = "org/apache/maven/plugins/checkstyle";
-
     protected static final String JAVA_FILES = "**\\/*.java";
 
     private static final String DEFAULT_CONFIG_LOCATION = "sun_checks.xml";
@@ -342,15 +337,6 @@ public abstract class AbstractCheckstyleReport extends AbstractMavenReport {
     @Parameter(property = "checkstyle.enable.files.summary", defaultValue = "true")
     private boolean enableFilesSummary;
 
-    /**
-     * Specifies if the RSS should be enabled or not.
-     *
-     * @deprecated This feature will be removed in a future version.
-     */
-    @Parameter(property = "checkstyle.enable.rss", defaultValue = "false")
-    @Deprecated
-    private boolean enableRSS;
-
     /**
      * The Plugin Descriptor
      */
@@ -446,15 +432,6 @@ public abstract class AbstractCheckstyleReport extends AbstractMavenReport {
     @Component
     protected ResourceManager locator;
 
-    /**
-     * CheckstyleRssGenerator.
-     *
-     * @since 2.4
-     */
-    @Component(role = CheckstyleRssGenerator.class, hint = "default")
-    @Deprecated
-    protected CheckstyleRssGenerator checkstyleRssGenerator;
-
     /**
      * @since 2.5
      */
@@ -519,14 +496,7 @@ public void executeReport(Locale locale) throws MavenReportException {
             CheckstyleResults results = checkstyleExecutor.executeCheckstyle(request);
 
             ResourceBundle bundle = getBundle(locale);
-            generateReportStatics();
             generateMainReport(results, bundle, effectiveConfigLocation);
-            if (enableRSS) {
-                CheckstyleRssGeneratorRequest checkstyleRssGeneratorRequest =
-                        new CheckstyleRssGeneratorRequest(this.project, this.getCopyright(), outputDirectory, getLog());
-                checkstyleRssGenerator.generateRSS(results, checkstyleRssGeneratorRequest);
-            }
-
         } catch (CheckstyleException e) {
             throw new MavenReportException("Failed during checkstyle configuration", e);
         } catch (CheckstyleExecutorException e) {
@@ -647,32 +617,6 @@ protected DefaultLogger getConsoleListener() throws MavenReportException {
         return consoleListener;
     }
 
-    private void generateReportStatics() throws MavenReportException {
-        ReportResource rresource = new ReportResource(PLUGIN_RESOURCES, outputDirectory);
-        try {
-            rresource.copy("images/rss.png");
-        } catch (IOException e) {
-            throw new MavenReportException("Unable to copy static resources.", e);
-        }
-    }
-
-    private String getCopyright() {
-        String copyright;
-        int currentYear = Calendar.getInstance().get(Calendar.YEAR);
-        if (StringUtils.isNotEmpty(project.getInceptionYear())
-                && !String.valueOf(currentYear).equals(project.getInceptionYear())) {
-            copyright = project.getInceptionYear() + " - " + currentYear;
-        } else {
-            copyright = String.valueOf(currentYear);
-        }
-
-        if ((project.getOrganization() != null)
-                && StringUtils.isNotEmpty(project.getOrganization().getName())) {
-            copyright = copyright + " " + project.getOrganization().getName();
-        }
-        return copyright;
-    }
-
     private void generateMainReport(CheckstyleResults results, ResourceBundle bundle, String configLocation) {
         CheckstyleReportGenerator generator =
                 new CheckstyleReportGenerator(getSink(), bundle, project.getBasedir(), siteTool, configLocation);
@@ -681,7 +625,6 @@ private void generateMainReport(CheckstyleResults results, ResourceBundle bundle
         generator.setEnableRulesSummary(enableRulesSummary);
         generator.setEnableSeveritySummary(enableSeveritySummary);
         generator.setEnableFilesSummary(enableFilesSummary);
-        generator.setEnableRSS(enableRSS);
         generator.setCheckstyleConfig(results.getConfiguration());
         if (linkXRef) {
             initializeXrefLocation(generator);

src/main/java/org/apache/maven/plugins/checkstyle/CheckstyleReportGenerator.java

@@ -62,9 +62,6 @@ public class CheckstyleReportGenerator {
 
     private boolean enableFilesSummary;
 
-    @Deprecated
-    private boolean enableRSS;
-
     private final SiteTool siteTool;
 
     private String xrefLocation;
@@ -94,7 +91,6 @@ public CheckstyleReportGenerator(
         this.enableRulesSummary = true;
         this.enableSeveritySummary = true;
         this.enableFilesSummary = true;
-        this.enableRSS = false;
         this.iconTool = new IconTool(sink, bundle);
     }
 
@@ -172,18 +168,6 @@ private void doHeading() {
         sink.text(String.format(bundle.getString("report.checkstyle.ruleset"), ruleset));
         sink.text(".");
 
-        if (enableRSS) {
-            sink.nonBreakingSpace();
-            sink.link("checkstyle.rss");
-            sink.figure();
-            sink.figureCaption();
-            sink.text("rss feed");
-            sink.figureCaption_();
-            sink.figureGraphics("images/rss.png");
-            sink.figure_();
-            sink.link_();
-        }
-
         sink.paragraph_();
         sink.section1_();
     }
@@ -689,16 +673,6 @@ public void setEnableFilesSummary(boolean enableFilesSummary) {
         this.enableFilesSummary = enableFilesSummary;
     }
 
-    @Deprecated
-    public boolean isEnableRSS() {
-        return enableRSS;
-    }
-
-    @Deprecated
-    public void setEnableRSS(boolean enableRSS) {
-        this.enableRSS = enableRSS;
-    }
-
     public String getXrefLocation() {
         return xrefLocation;
     }