Index: lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/QaUploadedFile.java
===================================================================
diff -u -r65166da92a6f0f4ff73acb92b95672e237b25742 -rc949a92559348f5942932b29311660875e373b78
--- lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/QaUploadedFile.java	(.../QaUploadedFile.java)	(revision 65166da92a6f0f4ff73acb92b95672e237b25742)
+++ lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/QaUploadedFile.java	(.../QaUploadedFile.java)	(revision c949a92559348f5942932b29311660875e373b78)
@@ -24,6 +24,7 @@
 
 import java.io.Serializable;
 
+import org.apache.commons.lang.StringUtils;
 import org.apache.commons.lang.builder.EqualsBuilder;
 import org.apache.commons.lang.builder.HashCodeBuilder;
 import org.apache.commons.lang.builder.ToStringBuilder;
@@ -67,6 +68,7 @@
     /** persistent field */
     private QaContent qaContent;
     
+    
     public QaUploadedFile(){};
 
     /** full constructor */
@@ -218,4 +220,20 @@
 		else
 			return (int) (submissionId.longValue() - file.submissionId.longValue());
     }
+
+	public String getFileProperty() {
+	   if (isFileOnline())
+        {
+            return IToolContentHandler.TYPE_ONLINE;
+        }
+        else
+            return IToolContentHandler.TYPE_OFFLINE;
+	}
+
+	public void setFileProperty(String fileProperty) {
+		if(StringUtils.equals(IToolContentHandler.TYPE_ONLINE,fileProperty))
+			this.fileOnline = true;
+		else
+			this.fileOnline = false;
+	}
 }
Index: lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/qaApplicationContext.xml
===================================================================
diff -u -rab1fbeffaf558570ec5d2b3e379e26cecbd9a618 -rc949a92559348f5942932b29311660875e373b78
--- lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/qaApplicationContext.xml	(.../qaApplicationContext.xml)	(revision ab1fbeffaf558570ec5d2b3e379e26cecbd9a618)
+++ lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/qaApplicationContext.xml	(.../qaApplicationContext.xml)	(revision c949a92559348f5942932b29311660875e373b78)
@@ -81,6 +81,7 @@
 					<property name="learnerService"><ref bean="learnerService"/></property>			
 					<property name="auditService"><ref bean="auditService"/></property>
 					<property name="qaToolContentHandler"><ref bean="qaToolContentHandler"/></property>								
+					<property name="exportContentService"><ref bean="exportToolContentService"/></property>								
 				</bean>
 			</property>
 			<property name="transactionAttributes">
Index: lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/service/QaServicePOJO.java
===================================================================
diff -u -rcc504e79fcfddaab61fdb673e9866a1b57c2d12c -rc949a92559348f5942932b29311660875e373b78
--- lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/service/QaServicePOJO.java	(.../QaServicePOJO.java)	(revision cc504e79fcfddaab61fdb673e9866a1b57c2d12c)
+++ lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/service/QaServicePOJO.java	(.../QaServicePOJO.java)	(revision c949a92559348f5942932b29311660875e373b78)
@@ -26,6 +26,7 @@
 import java.util.Date;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Set;
 import java.util.TreeSet;
 
 import org.apache.log4j.Logger;
@@ -44,6 +45,9 @@
 import org.lamsfoundation.lams.contentrepository.service.RepositoryProxy;
 import org.lamsfoundation.lams.contentrepository.service.SimpleCredentials;
 import org.lamsfoundation.lams.learning.service.ILearnerService;
+import org.lamsfoundation.lams.learningdesign.service.ExportToolContentException;
+import org.lamsfoundation.lams.learningdesign.service.IExportToolContentService;
+import org.lamsfoundation.lams.learningdesign.service.ImportToolContentException;
 import org.lamsfoundation.lams.tool.IToolVO;
 import org.lamsfoundation.lams.tool.ToolContentManager;
 import org.lamsfoundation.lams.tool.ToolSessionExportOutputData;
@@ -117,7 +121,8 @@
     private ILamsToolService toolService;
     private ILearnerService learnerService;
 	private IAuditService auditService;
-
+	private IExportToolContentService exportContentService;
+	
     public void configureContentRepository() throws QaApplicationException {
     	logger.debug("retrieved repService: " + repositoryService);
         cred = new SimpleCredentials(repositoryUser, repositoryId);
@@ -1309,7 +1314,38 @@
      * @throws ToolException if any other error occurs
      */
 
-	public void exportToolContent(Long toolContentId, String toPath) throws DataMissingException, ToolException {
+	public void exportToolContent(Long toolContentId, String rootPath) throws DataMissingException, ToolException {
+		QaContent toolContentObj = qaDAO.getQaById(toolContentId);
+ 		if(toolContentObj == null)
+ 			throw new DataMissingException("Unable to find tool content by given id :" + toolContentId);
+ 		
+		try {
+			//set ResourceToolContentHandler as null to avoid copy file node in repository again.
+			toolContentObj = QaContent.newInstance(qaToolContentHandler,toolContentObj,toolContentId);
+			
+			//don't export following fields value
+			toolContentObj.setQaSessions(null);
+			Set<QaQueContent> questions = toolContentObj.getQaQueContents();
+			for(QaQueContent question : questions){
+				question.setQaQueUsers(null);
+				question.setQaContent(null);
+				question.setQaUsrResps(null);
+				question.setUserResponses(null);
+			}
+			Set<QaUploadedFile> files = toolContentObj.getQaUploadedFiles();
+			for(QaUploadedFile file : files){
+				file.setQaContent(null);
+			}
+			
+			exportContentService.registerFileClassForExport(QaUploadedFile.class.getName(),"uuid",null);
+			exportContentService.exportToolContent( toolContentId, toolContentObj,qaToolContentHandler, rootPath);
+		} catch (ExportToolContentException e) {
+			throw new ToolException(e);
+		} catch (ItemNotFoundException e) {
+			throw new ToolException(e);
+		} catch (RepositoryCheckedException e) {
+			throw new ToolException(e);
+		}
 	}
 
     /**
@@ -1318,7 +1354,31 @@
      * @throws ToolException if any other error occurs
      */
 	 public void importToolContent(Long toolContentId, Integer newUserUid, String toolContentPath) throws ToolException {
-		
+		 try {
+				exportContentService.registerFileClassForImport(QaUploadedFile.class.getName(),"uuid",null,"fileName","fileProperty",null,null);
+				
+				Object toolPOJO =  exportContentService.importToolContent(toolContentPath,qaToolContentHandler);
+				if(!(toolPOJO instanceof QaContent))
+					throw new ImportToolContentException("Import QA tool content failed. Deserialized object is " + toolPOJO);
+				QaContent toolContentObj = (QaContent) toolPOJO;
+				
+//				reset it to new toolContentId
+				toolContentObj.setQaContentId(toolContentId);
+				toolContentObj.setCreatedBy(newUserUid);
+				
+				//set back the tool content
+				Set<QaQueContent> questions = toolContentObj.getQaQueContents();
+				for(QaQueContent question : questions){
+					question.setQaContent(toolContentObj);
+				}
+				Set<QaUploadedFile> files = toolContentObj.getQaUploadedFiles();
+				for(QaUploadedFile file : files){
+					file.setQaContent(toolContentObj);
+				}
+				qaDAO.saveOrUpdateQa(toolContentObj);
+			} catch (ImportToolContentException e) {
+				throw new ToolException(e);
+			}
 	}
 
     /**
@@ -1873,6 +1933,16 @@
 	public void setAuditService(IAuditService auditService) {
 		this.auditService = auditService;
 	}
+
+
+	public IExportToolContentService getExportContentService() {
+		return exportContentService;
+	}
+
+
+	public void setExportContentService(IExportToolContentService exportContentService) {
+		this.exportContentService = exportContentService;
+	}
 	
 	
 }