[DOXIASITETOOLS-154] added encoding to skin descriptor to define the encoding of site.vm

git-svn-id: https://svn.apache.org/repos/asf/maven/doxia/doxia-sitetools/trunk@1729288 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/doxia-site-renderer/src/main/java/org/apache/maven/doxia/siterenderer/DefaultSiteRenderer.java b/doxia-site-renderer/src/main/java/org/apache/maven/doxia/siterenderer/DefaultSiteRenderer.java
index d5bdfcb..228535b 100644
--- a/doxia-site-renderer/src/main/java/org/apache/maven/doxia/siterenderer/DefaultSiteRenderer.java
+++ b/doxia-site-renderer/src/main/java/org/apache/maven/doxia/siterenderer/DefaultSiteRenderer.java
@@ -691,7 +691,11 @@
 
             try
             {
-                template = velocity.getEngine().getTemplate( templateName );
+                SkinModel skinModel = siteRenderingContext.getSkinModel();
+                String encoding = ( skinModel == null ) ? null : skinModel.getEncoding();
+
+                template = ( encoding == null ) ? velocity.getEngine().getTemplate( templateName )
+                                : velocity.getEngine().getTemplate( templateName, encoding );
             }
             catch ( Exception e )
             {
diff --git a/doxia-skin-model/src/main/mdo/skin.mdo b/doxia-skin-model/src/main/mdo/skin.mdo
index c177046..f11e15a 100644
--- a/doxia-skin-model/src/main/mdo/skin.mdo
+++ b/doxia-skin-model/src/main/mdo/skin.mdo
@@ -52,7 +52,7 @@
         <!-- Build prerequisites                                                    -->
         <!-- ====================================================================== -->
 
-        <field xdoc.separator="blank">
+        <field>
           <name>prerequisites</name>
           <version>1.7.0+</version>
           <description>Describes the prerequisites in the build environment for using this skin.</description>
@@ -60,6 +60,13 @@
             <type>Prerequisites</type>
           </association>
         </field>
+        <field xdoc.separator="blank">
+          <name>encoding</name>
+          <version>1.7.0+</version>
+          <description>Encoding of text content, like the Velocity template itself.</description>
+          <type>String</type>
+          <required>false</required>
+        </field>
       </fields>
       <codeSegments>
         <codeSegment>