From b7303b2ec9b2d65699fa52c39037ee6bf945ee28 Mon Sep 17 00:00:00 2001
From: zzt93 <zengzt93@gmail.com>
Date: Fri, 7 Apr 2017 15:33:21 +0800
Subject: [PATCH] add a util function;

---
 .../org/apache/poi/hssf/converter/ExcelToHtmlConverter.java | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/scratchpad/src/org/apache/poi/hssf/converter/ExcelToHtmlConverter.java b/src/scratchpad/src/org/apache/poi/hssf/converter/ExcelToHtmlConverter.java
index 5019339d37..405e37baa2 100644
--- a/src/scratchpad/src/org/apache/poi/hssf/converter/ExcelToHtmlConverter.java
+++ b/src/scratchpad/src/org/apache/poi/hssf/converter/ExcelToHtmlConverter.java
@@ -18,6 +18,7 @@ Licensed to the Apache Software Foundation (ASF) under one or more
 
 import java.io.File;
 import java.io.IOException;
+import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.LinkedHashMap;
 import java.util.List;
@@ -123,6 +124,18 @@ public static Document process( File xlsFile ) throws IOException, ParserConfigu
         return doc;
     }
 
+    public static Document process( InputStream xlsFile ) throws IOException, ParserConfigurationException
+    {
+        final HSSFWorkbook workbook = new HSSFWorkbook( xlsFile );
+        ExcelToHtmlConverter excelToHtmlConverter = new ExcelToHtmlConverter(
+                XMLHelper.getDocumentBuilderFactory().newDocumentBuilder()
+                        .newDocument() );
+        excelToHtmlConverter.processWorkbook( workbook );
+        Document doc = excelToHtmlConverter.getDocument();
+        workbook.close();
+        return doc;
+    }
+
     private String cssClassContainerCell = null;
 
     private String cssClassContainerDiv = null;