From 6485c11305ae490540884efb484036167595d95d Mon Sep 17 00:00:00 2001
From: Andreas Beeker <kiwiwings@apache.org>
Date: Sat, 31 Oct 2015 23:10:17 +0000
Subject: [PATCH] Make SlideShow closeable as of HSLF references a
 NPOIFSFileSystem and hasn't closed it

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1711706 13f79535-47bb-0310-9956-ffa450edef68
---
 src/java/org/apache/poi/sl/usermodel/SlideShow.java   |  3 ++-
 .../org/apache/poi/hslf/usermodel/HSLFSlideShow.java  |  8 +++++++-
 .../apache/poi/hslf/usermodel/HSLFSlideShowImpl.java  | 11 ++++++++++-
 3 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/src/java/org/apache/poi/sl/usermodel/SlideShow.java b/src/java/org/apache/poi/sl/usermodel/SlideShow.java
index 968911b95..9d4a5cf9d 100644
--- a/src/java/org/apache/poi/sl/usermodel/SlideShow.java
+++ b/src/java/org/apache/poi/sl/usermodel/SlideShow.java
@@ -18,6 +18,7 @@
 package org.apache.poi.sl.usermodel;
 
 import java.awt.Dimension;
+import java.io.Closeable;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.util.List;
@@ -27,7 +28,7 @@ import org.apache.poi.sl.usermodel.PictureData.PictureType;
 public interface SlideShow<
     S extends Shape<S,P>,
     P extends TextParagraph<S,P,?>
-> {
+> extends Closeable {
 	Slide<S,P> createSlide() throws IOException;
 
 	List<? extends Slide<S,P>> getSlides();
diff --git a/src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFSlideShow.java b/src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFSlideShow.java
index 46a356fec..1162cbaa4 100644
--- a/src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFSlideShow.java
+++ b/src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFSlideShow.java
@@ -20,6 +20,7 @@ package org.apache.poi.hslf.usermodel;
 import java.awt.Dimension;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
+import java.io.Closeable;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
@@ -88,7 +89,7 @@ import org.apache.poi.util.Units;
  * @author Nick Burch
  * @author Yegor kozlov
  */
-public final class HSLFSlideShow implements SlideShow<HSLFShape,HSLFTextParagraph> {
+public final class HSLFSlideShow implements SlideShow<HSLFShape,HSLFTextParagraph>, Closeable {
 	// What we're based on
 	private HSLFSlideShowImpl _hslfSlideShow;
 
@@ -1157,4 +1158,9 @@ public final class HSLFSlideShow implements SlideShow<HSLFShape,HSLFTextParagrap
         // TODO Auto-generated method stub
         return null;
     }
+
+    @Override
+    public void close() throws IOException {
+        _hslfSlideShow.close();
+    }
 }
diff --git a/src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFSlideShowImpl.java b/src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFSlideShowImpl.java
index d45b7cb99..d27b6f050 100644
--- a/src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFSlideShowImpl.java
+++ b/src/scratchpad/src/org/apache/poi/hslf/usermodel/HSLFSlideShowImpl.java
@@ -19,6 +19,7 @@ package org.apache.poi.hslf.usermodel;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
+import java.io.Closeable;
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
@@ -64,7 +65,7 @@ import org.apache.poi.util.POILogger;
  *
  * @author Nick Burch
  */
-public final class HSLFSlideShowImpl extends POIDocument {
+public final class HSLFSlideShowImpl extends POIDocument implements Closeable {
     public static final int UNSET_OFFSET = -1;
     
     // For logging
@@ -795,6 +796,14 @@ public final class HSLFSlideShowImpl extends POIDocument {
         return _objects;
     }
     
+    @Override
+    public void close() throws IOException {
+        NPOIFSFileSystem fs = directory.getFileSystem();
+        if (fs != null) {
+            fs.close();
+        }
+    }
+    
     
     private static class BufAccessBAOS extends ByteArrayOutputStream {
         public byte[] getBuf() {