From d712b6b2ad2e965dbbbbc625f89a83a79243ec74 Mon Sep 17 00:00:00 2001
From: Nick Burch <nick@apache.org>
Date: Fri, 16 Jul 2010 13:57:17 +0000
Subject: [PATCH] 49599 - Correct writing of NoteRecord author text when
 switching between ASCII and Unicode

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@964800 13f79535-47bb-0310-9956-ffa450edef68
---
 src/documentation/content/xdocs/status.xml    |  1 +
 .../apache/poi/hssf/record/NoteRecord.java    |  8 ++++++
 .../poi/hssf/record/TestNoteRecord.java       | 26 +++++++++++++++++++
 3 files changed, 35 insertions(+)

diff --git a/src/documentation/content/xdocs/status.xml b/src/documentation/content/xdocs/status.xml
index 122b33cc6b..21336b6ae7 100644
--- a/src/documentation/content/xdocs/status.xml
+++ b/src/documentation/content/xdocs/status.xml
@@ -34,6 +34,7 @@
 
     <changes>
         <release version="3.7-beta2" date="2010-??-??">
+           <action dev="POI-DEVELOPERS" type="fix">49599 - Correct writing of NoteRecord author text when switching between ASCII and Unicode</action>
            <action dev="POI-DEVELOPERS" type="fix">HWPF: Improve reading of auto-saved ("complex") documents</action>
            <action dev="POI-DEVELOPERS" type="add">Paragraph level as well as whole-file text extraction for Word 6/95 files through HWPF</action>
            <action dev="POI-DEVELOPERS" type="add">Text Extraction support for older Word 6 and Word 95 files via HWPF</action>
diff --git a/src/java/org/apache/poi/hssf/record/NoteRecord.java b/src/java/org/apache/poi/hssf/record/NoteRecord.java
index 35f81ebfe7..86d4609606 100644
--- a/src/java/org/apache/poi/hssf/record/NoteRecord.java
+++ b/src/java/org/apache/poi/hssf/record/NoteRecord.java
@@ -190,6 +190,13 @@ public final class NoteRecord extends StandardRecord {
 	public void setFlags(short flags) {
 		field_3_flags = flags;
 	}
+	
+	/**
+	 * For unit testing only!
+	 */
+	protected boolean authorIsMultibyte() {
+	   return field_5_hasMultibyte;
+	}
 
 	/**
 	 * Object id for OBJ record that contains the comment
@@ -221,6 +228,7 @@ public final class NoteRecord extends StandardRecord {
 	 */
 	public void setAuthor(String author) {
 		field_6_author = author;
+      field_5_hasMultibyte = StringUtil.hasMultibyte(author);
 	}
 
 	public Object clone() {
diff --git a/src/testcases/org/apache/poi/hssf/record/TestNoteRecord.java b/src/testcases/org/apache/poi/hssf/record/TestNoteRecord.java
index 85776eacdd..c7e0dee3d1 100644
--- a/src/testcases/org/apache/poi/hssf/record/TestNoteRecord.java
+++ b/src/testcases/org/apache/poi/hssf/record/TestNoteRecord.java
@@ -102,8 +102,34 @@ public final class TestNoteRecord extends TestCase {
             throw new AssertionFailedError("Identified bug in reading note with unicode author");
         }
         assertEquals("\u30A2\u30D1\u30C3\u30C1\u65CF", nr.getAuthor());
+        assertTrue(nr.authorIsMultibyte());
         
         byte[] ser = nr.serialize();
         TestcaseRecordInputStream.confirmRecordEncoding(NoteRecord.sid, data, ser);
+
+        // Re-check
+        in = TestcaseRecordInputStream.create(ser);
+        nr = new NoteRecord(in);
+        assertEquals("\u30A2\u30D1\u30C3\u30C1\u65CF", nr.getAuthor());
+        assertTrue(nr.authorIsMultibyte());
+        
+        
+        // Change to a non unicode author, will stop being unicode
+        nr.setAuthor("Simple");
+        ser = nr.serialize();
+        in = TestcaseRecordInputStream.create(ser);
+        nr = new NoteRecord(in);
+        
+        assertEquals("Simple", nr.getAuthor());
+        assertFalse(nr.authorIsMultibyte());
+        
+        // Now set it back again
+        nr.setAuthor("Unicode\u1234");
+        ser = nr.serialize();
+        in = TestcaseRecordInputStream.create(ser);
+        nr = new NoteRecord(in);
+        
+        assertEquals("Unicode\u1234", nr.getAuthor());
+        assertTrue(nr.authorIsMultibyte());
     }
 }
-- 
2.39.5