[DOXIA-558] Upgrade to Commons Lang 3

Philippe Marschall <philippe.marschall@gmail.com>

This closes #3

git-svn-id: https://svn.apache.org/repos/asf/maven/doxia/doxia/trunk@1800811 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/doxia-core/pom.xml b/doxia-core/pom.xml
index 7d523c8..7b3ce1f 100644
--- a/doxia-core/pom.xml
+++ b/doxia-core/pom.xml
@@ -55,9 +55,9 @@
       <artifactId>plexus-component-annotations</artifactId>
     </dependency>
     <dependency>
-      <groupId>commons-lang</groupId>
-      <artifactId>commons-lang</artifactId>
-      <version>2.4</version>
+      <groupId>org.apache.commons</groupId>
+      <artifactId>commons-lang3</artifactId>
+      <version>3.5</version>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
diff --git a/doxia-core/src/main/java/org/apache/maven/doxia/util/HtmlTools.java b/doxia-core/src/main/java/org/apache/maven/doxia/util/HtmlTools.java
index 26fd92f..4cb50db 100644
--- a/doxia-core/src/main/java/org/apache/maven/doxia/util/HtmlTools.java
+++ b/doxia-core/src/main/java/org/apache/maven/doxia/util/HtmlTools.java
@@ -27,7 +27,7 @@
 
 import javax.swing.text.html.HTML.Tag;
 
-import org.apache.commons.lang.StringEscapeUtils;
+import org.apache.commons.lang3.StringEscapeUtils;
 import org.apache.maven.doxia.markup.HtmlMarkup;
 import org.codehaus.plexus.util.StringUtils;
 
@@ -249,8 +249,8 @@
         }
         else
         {
-            // StringEscapeUtils.unescapeHtml returns entities it doesn't recognize unchanged
-            unescaped = StringEscapeUtils.unescapeHtml( text );
+            // StringEscapeUtils.unescapeHtml4 returns entities it doesn't recognize unchanged
+            unescaped = StringEscapeUtils.unescapeHtml4( text );
         }
 
         String tmp = unescaped;
diff --git a/doxia-core/src/test/java/org/apache/maven/doxia/sink/impl/SinkEventElement.java b/doxia-core/src/test/java/org/apache/maven/doxia/sink/impl/SinkEventElement.java
index 25e7719..d4403db 100644
--- a/doxia-core/src/test/java/org/apache/maven/doxia/sink/impl/SinkEventElement.java
+++ b/doxia-core/src/test/java/org/apache/maven/doxia/sink/impl/SinkEventElement.java
@@ -19,7 +19,7 @@
  * under the License.
  */
 
-import org.apache.commons.lang.builder.ToStringBuilder;
+import org.apache.commons.lang3.builder.ToStringBuilder;
 
 /**
  * A single sink event, used for testing purposes in order to check
diff --git a/doxia-modules/doxia-module-markdown/src/main/java/org/apache/maven/doxia/module/markdown/MarkdownParser.java b/doxia-modules/doxia-module-markdown/src/main/java/org/apache/maven/doxia/module/markdown/MarkdownParser.java
index 5cb9a43..0b477f9 100644
--- a/doxia-modules/doxia-module-markdown/src/main/java/org/apache/maven/doxia/module/markdown/MarkdownParser.java
+++ b/doxia-modules/doxia-module-markdown/src/main/java/org/apache/maven/doxia/module/markdown/MarkdownParser.java
@@ -28,8 +28,8 @@
 import com.vladsch.flexmark.profiles.pegdown.Extensions;
 import com.vladsch.flexmark.profiles.pegdown.PegdownOptionsAdapter;
 import com.vladsch.flexmark.util.options.MutableDataHolder;
-import org.apache.commons.lang.StringEscapeUtils;
-import org.apache.commons.lang.StringUtils;
+import org.apache.commons.lang3.StringEscapeUtils;
+import org.apache.commons.lang3.StringUtils;
 import org.apache.maven.doxia.markup.HtmlMarkup;
 import org.apache.maven.doxia.module.xhtml.XhtmlParser;
 import org.apache.maven.doxia.parser.AbstractParser;