Index: lams_common/src/java/org/lamsfoundation/lams/learningdesign/service/ExportToolContentService.java
===================================================================
diff -u -rf17ef475206dfa5950b19434ec135b157201c987 -r7459651abc01831e57ff669de16293c51b543dcb
--- lams_common/src/java/org/lamsfoundation/lams/learningdesign/service/ExportToolContentService.java	(.../ExportToolContentService.java)	(revision f17ef475206dfa5950b19434ec135b157201c987)
+++ lams_common/src/java/org/lamsfoundation/lams/learningdesign/service/ExportToolContentService.java	(.../ExportToolContentService.java)	(revision 7459651abc01831e57ff669de16293c51b543dcb)
@@ -212,14 +212,14 @@
 		try {
 			//root temp directory, put target zip file
 			String rootDir = FileUtil.createTempDirectory(EXPORT_TOOLCONTNET_FOLDER_SUFFIX);
-			String contentDir = rootDir + File.separator + "content";
+			String contentDir = FileUtil.getFullPath(rootDir, "content");
 			FileUtil.createDirectory(contentDir);
 			
 			//zip file name with full path
 			String targetZipFileName = EXPORT_TOOLCONTNET_ZIP_PREFIX + learningDesignId + EXPORT_TOOLCONTNET_ZIP_SUFFIX;
 			
 			//learing design file name with full path
-			String ldFileName = getFullPath(contentDir,LEARNING_DESIGN_FILE_NAME);
+			String ldFileName = FileUtil.getFullPath(contentDir,LEARNING_DESIGN_FILE_NAME);
 			Writer ldFile = new FileWriter(new File(ldFileName));
 			
 			//get learning desing and serialize it to XML file.
@@ -266,11 +266,11 @@
 				throws ExportToolContentException {
 		try {
 			//create tool's save path
-			String toolPath = toPath+File.separator+toolContentId;
+			String toolPath = FileUtil.getFullPath(toPath,toolContentId.toString());
 			FileUtil.createDirectory(toolPath);
 			
 			//create tool xml file name : tool.xml
-			String toolFileName = getFullPath(toolPath,TOOL_FILE_NAME);
+			String toolFileName = FileUtil.getFullPath(toolPath,TOOL_FILE_NAME);
 			Writer toolFile = new FileWriter(new File(toolFileName));
 			
 			//serialize tool xml into local file.
@@ -320,13 +320,7 @@
 		return (ILearningDesignService) applicationContext.getBean(LEARNING_DESIGN_SERVICE_BEAN_NAME);		
 	}
 	
-	private String getFullPath(String path, String file){
-		if(path.endsWith(File.separator))
-			return path + file;
-		else
-			return path + File.separator + file;
-	}
-    private Object findToolService(Tool tool) throws NoSuchBeanDefinitionException
+	private Object findToolService(Tool tool) throws NoSuchBeanDefinitionException
     {
         return applicationContext.getBean(tool.getServiceName());
     }
Index: lams_common/src/java/org/lamsfoundation/lams/util/FileUtil.java
===================================================================
diff -u -rf17ef475206dfa5950b19434ec135b157201c987 -r7459651abc01831e57ff669de16293c51b543dcb
--- lams_common/src/java/org/lamsfoundation/lams/util/FileUtil.java	(.../FileUtil.java)	(revision f17ef475206dfa5950b19434ec135b157201c987)
+++ lams_common/src/java/org/lamsfoundation/lams/util/FileUtil.java	(.../FileUtil.java)	(revision 7459651abc01831e57ff669de16293c51b543dcb)
@@ -332,4 +332,26 @@
 		return fileName.substring(0,dotPos+1);
 	
 	}
+	/**
+	 * Merge two input parameter into full path and adjust File.separator to 
+	 * OS default separator as well.
+	 * 
+	 * @param path 
+	 * @param file could be file name,or sub directory path.
+	 * @return
+	 */
+	public static String getFullPath(String path, String file){
+		String fullpath;
+		if(path.endsWith(File.separator))
+			fullpath = path + file;
+		else
+			fullpath = path + File.separator + file;
+		if(File.separator.indexOf("\\") != -1)
+			fullpath = fullpath.replaceAll("\\/","\\\\");
+		else
+			fullpath = fullpath.replaceAll("\\",File.separator);
+		
+		return fullpath;
+		
+	}
 }