From edca6e17ff1a9077be7678a1ccffeb34b5f4572f Mon Sep 17 00:00:00 2001
From: Dominik Stadler <centic@apache.org>
Date: Sun, 11 Dec 2016 20:58:30 +0000
Subject: [PATCH] Add more output to BiffViewer for local debugging

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1773639 13f79535-47bb-0310-9956-ffa450edef68
---
 BiffViewer.launch                                |  3 ++-
 src/java/org/apache/poi/hssf/dev/BiffViewer.java | 10 ++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/BiffViewer.launch b/BiffViewer.launch
index de070c9a61..4b76fd1673 100644
--- a/BiffViewer.launch
+++ b/BiffViewer.launch
@@ -11,6 +11,7 @@
 <listEntry value="org.eclipse.debug.ui.launchGroup.run"/>
 </listAttribute>
 <stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value="org.apache.poi.hssf.dev.BiffViewer"/>
-<stringAttribute key="org.eclipse.jdt.launching.PROGRAM_ARGUMENTS" value="/tmp/45312.xls"/>
+<stringAttribute key="org.eclipse.jdt.launching.PROGRAM_ARGUMENTS" value="--escher test-data/spreadsheet/57456.xls"/>
 <stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="ApachePOI"/>
+<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-javaagent:/opt/file-leak-detector/target/file-leak-detector-1.9-SNAPSHOT-jar-with-dependencies.jar=http=19998,strong,excludes=file-leak-detector.exclude,dumpatshutdown"/>
 </launchConfiguration>
diff --git a/src/java/org/apache/poi/hssf/dev/BiffViewer.java b/src/java/org/apache/poi/hssf/dev/BiffViewer.java
index 5465f0ff10..8f2de9fe0b 100644
--- a/src/java/org/apache/poi/hssf/dev/BiffViewer.java
+++ b/src/java/org/apache/poi/hssf/dev/BiffViewer.java
@@ -29,6 +29,7 @@ import java.io.PrintWriter;
 import java.io.Writer;
 import java.nio.charset.Charset;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
 import org.apache.poi.hssf.record.ArrayRecord;
@@ -245,6 +246,11 @@ public final class BiffViewer {
             }
             Record record;
             if (dumpInterpretedRecords) {
+			    ps.println();
+			    ps.println("Remainging: " + recStream.remaining());
+			    byte[] data = ((BiffDumpingStream)is).getData();
+			    ps.println("Record-Data: " + HexDump.toHex(Arrays.copyOfRange(data, 0, Math.min(100, data.length))));
+
                 record = createRecord (recStream);
                 if (record.getSid() == ContinueRecord.sid) {
                     continue;
@@ -749,6 +755,10 @@ public final class BiffViewer {
 		public void close() throws IOException {
 			_is.close();
 		}
+       
+       public byte[] getData() {
+           return _data;
+       }		
 	}
 
 	private static final int DUMP_LINE_LEN = 16;