1 files changed, 37 insertions, 0 deletions
diff --git a/src/ooxml/java/org/apache/poi/xdgf/util/Util.java b/src/ooxml/java/org/apache/poi/xdgf/util/Util.java
new file mode 100644
index 0000000000..3c6725343c
--- /dev/null
+++ b/src/ooxml/java/org/apache/poi/xdgf/util/Util.java
@@ -0,0 +1,37 @@
+/* ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
+
+package org.apache.poi.xdgf.util;
+
+public class Util {
+	
+	public static int countLines(String str) {
+	    int lines = 1;
+	    int pos = 0;
+	    while ((pos = str.indexOf("\n", pos) + 1) != 0) {
+	        lines++;
+	    }
+	    return lines;
+	}
+	
+	// this probably isn't 100% correct, so don't use it in security-sensitive
+	// applications!
+	// from: http://www.rgagnon.com/javadetails/java-0662.html
+	public static String sanitizeFilename(String name) {
+		return name.replaceAll("[:\\\\/*\"?|<>]", "_");
+	}
+}