From 82945aac385f30e0ccb5bd6c8dce75a3acd4e2c0 Mon Sep 17 00:00:00 2001
From: Nick Burch <nick.burch@quanticate.com>
Date: Mon, 4 Oct 2010 20:31:07 +0000
Subject: [PATCH] Allow Tika powered transformers to customise the
 ParseContext, eg to enable recursion (which is off by default)

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@22858 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
---
 .../transform/TikaPoweredContentTransformer.java      | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/source/java/org/alfresco/repo/content/transform/TikaPoweredContentTransformer.java b/source/java/org/alfresco/repo/content/transform/TikaPoweredContentTransformer.java
index 814a595fd9..0d848f9b30 100644
--- a/source/java/org/alfresco/repo/content/transform/TikaPoweredContentTransformer.java
+++ b/source/java/org/alfresco/repo/content/transform/TikaPoweredContentTransformer.java
@@ -149,6 +149,14 @@ public abstract class TikaPoweredContentTransformer extends AbstractContentTrans
        }
        return handler;
     }
+
+    /**
+     * By default returns a ParseContent that does not recurse
+     */
+    protected ParseContext buildParseContext(Metadata metadata, String targetMimeType, TransformationOptions options)
+    {
+       return new ParseContext();
+    }
     
     public void transformInternal(ContentReader reader, ContentWriter writer,  TransformationOptions options)
     throws Exception
@@ -162,7 +170,8 @@ public abstract class TikaPoweredContentTransformer extends AbstractContentTrans
        
        Parser parser = getParser();
        Metadata metadata = new Metadata();
-       ParseContext context = new ParseContext();
+       
+       ParseContext context = buildParseContext(metadata, targetMimeType, options);
        
        ContentHandler handler = getContentHandler(targetMimeType, ow);
        if(handler == null)