Index: lams_build/lib/lams/lams.jar
===================================================================
diff -u -rfe06d16b234341fc965d9b40494e6a2fb4cb9438 -ra934b43c55fc53c30682f35f2682570519c6c96a
Binary files differ
Index: lams_common/src/java/org/lamsfoundation/lams/learningdesign/service/ExportToolContentService.java
===================================================================
diff -u -r65da89a116ff418593f0c5bd694b5742dcfc16e5 -ra934b43c55fc53c30682f35f2682570519c6c96a
--- lams_common/src/java/org/lamsfoundation/lams/learningdesign/service/ExportToolContentService.java	(.../ExportToolContentService.java)	(revision 65da89a116ff418593f0c5bd694b5742dcfc16e5)
+++ lams_common/src/java/org/lamsfoundation/lams/learningdesign/service/ExportToolContentService.java	(.../ExportToolContentService.java)	(revision a934b43c55fc53c30682f35f2682570519c6c96a)
@@ -737,7 +737,7 @@
 	// copy XSLT file to contentDir, so that the XSLT document() function
 	// does not need absolute path file.
 	File xslt = new File(FileUtil.getFullPath(xsltDir, "ims.xslt"));
-	FileUtil.copyFile(xsltIn, xslt);
+	FileUtils.copyFile(xsltIn, xslt);
 
 	// copy schema files to content folder
 	String path = FileUtil.getFileDirectory(xsltIn.getCanonicalPath());
@@ -749,10 +749,10 @@
 	File imsldaTar = new File(FileUtil.getFullPath(contentDir, ExportToolContentService.SCHEMA_FILE_IMS_LD_LEVEL_A));
 	File imsldbTar = new File(FileUtil.getFullPath(contentDir, ExportToolContentService.SCHEMA_FILE_IMS_LD_LEVEL_B));
 	File imsldcTar = new File(FileUtil.getFullPath(contentDir, ExportToolContentService.SCHEMA_FILE_IMS_LD_LEVEL_C));
-	FileUtil.copyFile(imscpSrc, imscpTar);
-	FileUtil.copyFile(imsldaSrc, imsldaTar);
-	FileUtil.copyFile(imsldbSrc, imsldbTar);
-	FileUtil.copyFile(imsldcSrc, imsldcTar);
+	FileUtils.copyFile(imscpSrc, imscpTar);
+	FileUtils.copyFile(imsldaSrc, imsldaTar);
+	FileUtils.copyFile(imsldbSrc, imsldbTar);
+	FileUtils.copyFile(imsldcSrc, imsldcTar);
 
 	// create resources.xml file
 	Document resourcesDom = new Document();
Index: lams_common/src/java/org/lamsfoundation/lams/util/FileUtil.java
===================================================================
diff -u -r4028f2837af8f9467588b74061bf6799c1830196 -ra934b43c55fc53c30682f35f2682570519c6c96a
--- lams_common/src/java/org/lamsfoundation/lams/util/FileUtil.java	(.../FileUtil.java)	(revision 4028f2837af8f9467588b74061bf6799c1830196)
+++ lams_common/src/java/org/lamsfoundation/lams/util/FileUtil.java	(.../FileUtil.java)	(revision a934b43c55fc53c30682f35f2682570519c6c96a)
@@ -459,60 +459,7 @@
 	return pathfile;
     }
 
-    public static void copyFile(File in, File out) throws Exception {
-	FileChannel sourceChannel = new FileInputStream(in).getChannel();
-	FileChannel destinationChannel = new FileOutputStream(out).getChannel();
-	sourceChannel.transferTo(0, sourceChannel.size(), destinationChannel);
-	sourceChannel.close();
-	destinationChannel.close();
-    }
-
     /**
-     * Copies a file using the provided input stream.
-     * 
-     * @param inputStream
-     * @param targetFile
-     * @return size of copied file
-     * @throws IOException
-     */
-    public static long copyFile(InputStream inputStream, File targetFile) throws IOException {
-	long result = 0;
-	FileOutputStream fileOutputStream = new FileOutputStream(targetFile);
-	byte[] data = new byte[FileUtil.FILE_COPY_BUFFER_SIZE];
-	int read = 0;
-	do {
-	    read = inputStream.read(data);
-	    if (read > 0) {
-		fileOutputStream.write(data, 0, read);
-		result += read;
-	    }
-	} while (read > 0);
-	fileOutputStream.close();
-	inputStream.close();
-	return result;
-    }
-
-    /**
-     * Copies a file to the given outputStream.
-     */
-    public static long copyFile(File sourceFile, OutputStream outputStream) throws IOException {
-	long result = 0;
-	FileInputStream fileInputStream = new FileInputStream(sourceFile);
-	byte[] data = new byte[FileUtil.FILE_COPY_BUFFER_SIZE];
-	int read = 0;
-	do {
-	    read = fileInputStream.read(data);
-	    if (read > 0) {
-		outputStream.write(data, 0, read);
-		result += read;
-	    }
-	} while (read > 0);
-	outputStream.close();
-	fileInputStream.close();
-	return result;
-    }
-
-    /**
      * get file extension name from a String, such as from "textabc.doc", return "doc" fileName also can contain
      * directory infomation.
      */