DS-828, Optionaly enable 'restore mode' when ingesting items va SWORD.

git-svn-id: http://scm.dspace.org/svn/repo/dspace/trunk@6102 9c30dcfa-912a-0410-8fc2-9e0234be79fd

dspace-sword/dspace-sword-api/src/main/java/org/dspace/sword/SWORDMETSIngester.java

@@ -78,6 +78,10 @@ public class SWORDMETSIngester implements SWORDIngester
 			PackageParameters params = new PackageParameters();
                         // Force package ingester to respect Collection workflows
                         params.setWorkflowEnabled(true);
+                        
+                        // Should restore mode be enabled, i.e. keep existing handle?
+                        if (ConfigurationManager.getBooleanProperty("sword.restore-mode.enable",false))
+                            params.setRestoreModeEnabled(true);
 			
 			// ingest the item from the temp file
 			DSpaceObject ingestedObject = pi.ingest(context, collection, depositFile, params, licence);

dspace/config/dspace.cfg

@@ -2109,6 +2109,13 @@ sword.identify-version = true
 #
 sword.on-behalf-of.enable = true
 
+# Should the sword server enable restore-mode when ingesting new
+# packages. If this is enabled the item will be treated as a
+# previously deleted item from the repository. If the item had
+# previously been assigned a handle then that same handle will be
+# restored to activity. 
+sword.restore-mode.enable = false
+
 # Configure the plugins to process incoming packages.  The form of this
 # configuration is as per the Plugin Manager's Named Plugin documentation:
 #