[MJAVADOC-801] Upgrade to Clirr Maven Plugin 2.8 in fix goals

This closes #296

Author: michael-o

src/main/java/org/apache/maven/plugins/javadoc/AbstractFixJavadocMojo.java

@@ -79,7 +79,6 @@
 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;
@@ -193,9 +192,9 @@ public abstract class AbstractFixJavadocMojo extends AbstractMojo {
     private static final String CLIRR_MAVEN_PLUGIN_ARTIFACTID = "clirr-maven-plugin";
 
     /**
-     * The latest Clirr Maven plugin version <code>2.2.2</code> *
+     * The latest Clirr Maven plugin version <code>2.8</code> *
      */
-    private static final String CLIRR_MAVEN_PLUGIN_VERSION = "2.2.2";
+    private static final String CLIRR_MAVEN_PLUGIN_VERSION = "2.8";
 
     /**
      * The Clirr Maven plugin goal <code>check</code> *
@@ -228,7 +227,7 @@ public abstract class AbstractFixJavadocMojo extends AbstractMojo {
 
     /**
      * Version to compare the current code against using the
-     * <a href="http://mojo.codehaus.org/clirr-maven-plugin/">Clirr Maven Plugin</a>.
+     * <a href="https://www.mojohaus.org/clirr-maven-plugin/">Clirr Maven Plugin</a>.
      * <br/>
      * See <a href="#defaultSince">defaultSince</a>.
      */
@@ -632,17 +631,13 @@ private void executeClirr() throws MavenInvocationException {
 
         String clirrGoal = getFullClirrGoal();
 
-        // http://mojo.codehaus.org/clirr-maven-plugin/check-mojo.html
+        // https://www.mojohaus.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();
@@ -724,7 +719,7 @@ private void parseClirrTextOutputFile(File clirrTextOutputFile) throws IOExcepti
                     continue;
                 }
 
-                // http://clirr.sourceforge.net/clirr-core/exegesis.html
+                // https://clirr.sourceforge.net/clirr-core/exegesis.html
                 // 7011 - Method Added
                 // 7012 - Method Added to Interface
                 // 8000 - Class Added

src/site/apt/examples/fix-javadocs.apt.vm

@@ -49,8 +49,8 @@ Fixing Javadoc Comments
  selective tags like author, version, etc.
  You specify default value for some tags, for example, {{{../fix-mojo.html#defaultAuthor}\<defaultAuthor/\>}}.
 
- The <javadoc:fix> goal can use Clirr ({{{http://clirr.sourceforge.net}}} via the
- {{{http://mojo.codehaus.org/clirr-maven-plugin/}clirr-maven-plugin}} to add
+ The <javadoc:fix> goal can use Clirr ({{{https://clirr.sourceforge.net}}} via the
+ {{{https://www.mojohaus.org/clirr-maven-plugin/}clirr-maven-plugin}} to add
  <@since> tags will be dynamically added for the current
  project version. You need to add the <comparisonVersion> parameter (see below).
 
@@ -105,8 +105,8 @@ mvn javadoc:fix -DcomparisonVersion=1.0
 
 ** Using another Clirr version
 
-  By default, the <fix> and <test-fix> goals use the {{{https://www.mojohaus.org/clirr-maven-plugin}clirr-maven-plugin}},
-  version <<<2.2.2>>>. To use another version, you need to add a dependency in the Javadoc plugin as shown here:
+  By default, the <fix> and <test-fix> goals use the {{{https://www.mojohaus.org/clirr-maven-plugin/}clirr-maven-plugin}},
+  version <<<2.8>>>. To use another version, you need to add a dependency in the Javadoc plugin as shown here:
 
 +-----+
 <project>
@@ -124,7 +124,7 @@ mvn javadoc:fix -DcomparisonVersion=1.0
           <dependency>
             <groupId>org.codehaus.mojo</groupId>
             <artifactId>clirr-maven-plugin</artifactId>
-            <version>2.3-SNAPSHOT</version>
+            <version>2.9-SNAPSHOT</version>
           </dependency>
         </dependencies>
       </plugin>