src/java.xml/share/classes/com/sun/org/apache/xpath/internal/functions/FuncStringLength.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/functions/FuncStringLength.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,48 @@
+/*
+ * reserved comment block
+ * DO NOT REMOVE OR ALTER!
+ */
+/*
+ * 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 com.sun.org.apache.xpath.internal.functions;
+
+import com.sun.org.apache.xpath.internal.XPathContext;
+import com.sun.org.apache.xpath.internal.objects.XNumber;
+import com.sun.org.apache.xpath.internal.objects.XObject;
+
+/**
+ * Execute the StringLength() function.
+ * @xsl.usage advanced
+ */
+public class FuncStringLength extends FunctionDef1Arg
+{
+ static final long serialVersionUID = -159616417996519839L;
+
+ /**
+ * Execute the function. The function must return
+ * a valid object.
+ * @param xctxt The current execution context.
+ * @return A valid XObject.
+ *
+ * @throws javax.xml.transform.TransformerException
+ */
+ public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException
+ {
+ return new XNumber(getArg0AsString(xctxt).length());
+ }
+}