Index: main/plugin-cms/src/org/ametys/cms/lucene/LuceneIndexHandler.java
===================================================================
--- main/plugin-cms/src/org/ametys/cms/lucene/LuceneIndexHandler.java	(revision 36870)
+++ main/plugin-cms/src/org/ametys/cms/lucene/LuceneIndexHandler.java	(working copy)
@@ -39,6 +39,18 @@
     /** Lucene document to be indexed */
     protected Document _document;
     
+    /** Field name FULL */
+    protected String _fieldNameFull;
+    
+    /** Field name ALL NOT ANALYZED */
+    protected String _fieldNameNotAnalyzed;
+
+    /** Field name EXCERPT */
+    protected String _fieldNameExcerpt;
+
+    /** Field name EXCERPT LENGTH */
+    protected int _excerptLength;
+    
     private boolean _ignoreElmt;
 
     /**
@@ -47,9 +59,26 @@
      */
     public LuceneIndexHandler(Document document)
     {
+        this(document, FieldNames.FULL, FieldNames.ALL_NOT_ANALYZED, FieldNames.EXCERPT, 200);
+    }
+
+    /**
+     * Creates an handler by setting its document and fieldname
+     * @param document
+     * @param fieldNameFull
+     * @param fieldNameNotAnalyzed
+     * @param fieldNameExcerpt
+     * @param excerptLength
+     */
+    public LuceneIndexHandler(Document document, String fieldNameFull, String fieldNameNotAnalyzed, String fieldNameExcerpt, int excerptLength)
+    {
         _document = document;
+        _fieldNameFull = fieldNameFull;
+        _fieldNameNotAnalyzed = fieldNameNotAnalyzed;
+        _fieldNameExcerpt = fieldNameExcerpt;
+        _excerptLength = excerptLength;
     }
-    
+   
     @Override
     public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException
     {
@@ -88,21 +117,21 @@
     {
         String bodyText = _body.toString();
 
-        _document.add(new Field(FieldNames.FULL, bodyText, Store.NO, Index.ANALYZED));
+        _document.add(new Field(_fieldNameFull, bodyText, Store.NO, Index.ANALYZED));
         
         String[] words = StringUtils.split(bodyText);
         for (String word : words)
         {
-            _document.add(new Field(FieldNames.ALL_NOT_ANALYZED, StringUtils.strip(word, ",?!:()[].{}=").toLowerCase(), Store.NO, Index.NOT_ANALYZED));
+            _document.add(new Field(_fieldNameNotAnalyzed, StringUtils.strip(word, ",?!:()[].{}=").toLowerCase(), Store.NO, Index.NOT_ANALYZED));
         }
         
-        int summaryEndIndex = bodyText.lastIndexOf(' ', 200);
+        int summaryEndIndex = bodyText.lastIndexOf(' ', _excerptLength);
 
         if (summaryEndIndex == -1)
         {
             summaryEndIndex = bodyText.length();
         }
 
-        _document.add(new Field(FieldNames.EXCERPT, bodyText.substring(0, summaryEndIndex) + "...", Store.YES, Index.NO));
+        _document.add(new Field(_fieldNameExcerpt, bodyText.substring(0, summaryEndIndex) + "...", Store.YES, Index.NO));
     }
 }
Index: main/plugin-cms/src/org/ametys/cms/lucene/MetadataIndexer.java
===================================================================
--- main/plugin-cms/src/org/ametys/cms/lucene/MetadataIndexer.java	(revision 36870)
+++ main/plugin-cms/src/org/ametys/cms/lucene/MetadataIndexer.java	(working copy)
@@ -217,7 +217,7 @@
                         String[] entries = composite.getMetadataNames();
                         int size = entries.length;
                         
-                        document.add(new Field(prefix + name + "/size", String.valueOf(size), Store.YES, Index.NOT_ANALYZED));
+                        document.add(new Field(getGlobalPrefix() + prefix + name + "/size", String.valueOf(size), Store.YES, Index.NOT_ANALYZED));
                         
                         for (String entry : entries)
                         {
@@ -292,7 +292,7 @@
         try
         {
             is = richText.getInputStream();
-            _parser.parse(new InputSource(is), new LuceneIndexHandler(document));
+            _parser.parse(new InputSource(is), new LuceneIndexHandler(document, getGlobalPrefix() + FieldNames.FULL, getGlobalPrefix() + FieldNames.ALL_NOT_ANALYZED, getGlobalPrefix() + FieldNames.EXCERPT, 200));
         }
         finally
         {
@@ -331,10 +331,10 @@
         String[] strValues = metadata.getStringArray(name, new String[0]);
         for (String value : strValues)
         {
-            document.add(new Field(FieldNames.FULL, value, Store.NO, Index.ANALYZED));
+            document.add(new Field(getGlobalPrefix() + FieldNames.FULL, value, Store.NO, Index.ANALYZED));
             
             Enumerator enumerator = definition.getEnumerator();
-            document.add(new Field(prefix + fieldName, value, Store.YES, enumerator == null ? Index.ANALYZED : Index.NOT_ANALYZED));
+            document.add(new Field(getGlobalPrefix() + prefix + fieldName, value, Store.YES, enumerator == null ? Index.ANALYZED : Index.NOT_ANALYZED));
             
             // Index "-for-sorting" field only for single metadata and DO NOT index a 'title-for-sorting' field (reserved field for page sorting)
             if (strValues.length == 1 && !"title".equals(prefix + fieldName))
@@ -344,19 +344,19 @@
                     I18nizableText label = enumerator.getEntry(value);
                     if (label != null)
                     {
-                        document.add(new Field(prefix + fieldName + _FOR_SORTING_SUFFIX, _i18nUtils.translate(label, content.getLanguage()), Store.YES, Index.NOT_ANALYZED));
+                        document.add(new Field(getGlobalPrefix() + prefix + fieldName + _FOR_SORTING_SUFFIX, _i18nUtils.translate(label, content.getLanguage()), Store.YES, Index.NOT_ANALYZED));
                     }
                 }
                 else
                 {
-                    document.add(new Field(prefix + fieldName + _FOR_SORTING_SUFFIX, value, Store.YES, Index.NOT_ANALYZED));
+                    document.add(new Field(getGlobalPrefix() + prefix + fieldName + _FOR_SORTING_SUFFIX, value, Store.YES, Index.NOT_ANALYZED));
                 }
             }
             
             String[] words = StringUtils.split(value);
             for (String word : words)
             {
-                document.add(new Field(FieldNames.ALL_NOT_ANALYZED, StringUtils.strip(word, ",?!:()[].{}=").toLowerCase(), Store.NO, Index.NOT_ANALYZED));
+                document.add(new Field(getGlobalPrefix() + FieldNames.ALL_NOT_ANALYZED, StringUtils.strip(word, ",?!:()[].{}=").toLowerCase(), Store.NO, Index.NOT_ANALYZED));
             }
         }
     }
@@ -386,8 +386,8 @@
         Date[] dateValues = metadata.getDateArray(name);
         for (Date value : dateValues)
         {
-            document.add(new Field(prefix + fieldName, DateTools.dateToString(value, DateTools.Resolution.DAY), Store.YES, Index.NOT_ANALYZED));
-            document.add(new Field(prefix + fieldName + _FOR_SORTING_SUFFIX, DateTools.dateToString(value, DateTools.Resolution.DAY), Store.YES, Index.NOT_ANALYZED));
+            document.add(new Field(getGlobalPrefix() + prefix + fieldName, DateTools.dateToString(value, DateTools.Resolution.DAY), Store.YES, Index.NOT_ANALYZED));
+            document.add(new Field(getGlobalPrefix() + prefix + fieldName + _FOR_SORTING_SUFFIX, DateTools.dateToString(value, DateTools.Resolution.DAY), Store.YES, Index.NOT_ANALYZED));
         }
     }
     
@@ -614,8 +614,8 @@
         String[] values = metadata.getStringArray(name);
         for (String value : values)
         {
-            document.add(new Field(prefix + fieldName, value, Store.YES, Index.NOT_ANALYZED));
-            document.add(new Field(prefix + fieldName + _FOR_SORTING_SUFFIX, value, Store.YES, Index.NOT_ANALYZED));
+            document.add(new Field(getGlobalPrefix() + prefix + fieldName, value, Store.YES, Index.NOT_ANALYZED));
+            document.add(new Field(getGlobalPrefix() + prefix + fieldName + _FOR_SORTING_SUFFIX, value, Store.YES, Index.NOT_ANALYZED));
         }
     }
     
@@ -648,7 +648,7 @@
         {
             is = metadata.getBinaryMetadata(name).getInputStream();
             String value = _tika.parseToString(is);
-            document.add(new Field(FieldNames.FULL, value, Store.NO, Index.ANALYZED));
+            document.add(new Field(getGlobalPrefix() + FieldNames.FULL, value, Store.NO, Index.ANALYZED));
         }
         finally
         {
@@ -677,5 +677,13 @@
             }
         }
     }
-        
+    
+    /**
+     * Get global prefix before each indexed name.
+     * @return Empty string by default, sb_ for SubProgramForProgramMetadataIndexer
+     */
+    protected String getGlobalPrefix()
+    {
+        return "";
+    }
 }