Prevent POI from closing the input stream.

Author: joniles

.classpath

@@ -9,6 +9,6 @@
 	<classpathentry kind="lib" path="lib/sqlite-jdbc-3.8.10.1.jar"/>
 	<classpathentry kind="lib" path="lib/rtfparserkit-1.10.0.jar"/>
 	<classpathentry kind="lib" path="lib/commons-collections4-4.1.jar"/>
-	<classpathentry kind="lib" path="lib/poi-3.17.jar"/>
+	<classpathentry kind="lib" path="lib/poi-3.17.jar" sourcepath="C:/java/poi-3.17/src"/>
 	<classpathentry kind="output" path="classes"/>
 </classpath>

maven/src/changes/changes.xml

@@ -11,6 +11,7 @@
 			<action dev="joniles" type="update">Handle MSPDI files with varying namespaces.</action>
 			<action dev="joniles" type="update">Improve robustness Merlin file reader.</action>
 			<action dev="joniles" type="update">Improve extraction of task start and finish dates from PMXML files only containing partial data.</action>
+			<action dev="joniles" type="update">Prevent POI from closing the input stream.</action>
 		</release>
 		<release date="11/10/2017" version="6.2.1">
 			<action dev="joniles" type="update">Gracefully handle corrupt MPP files.</action>

src/net/sf/mpxj/reader/UniversalProjectReader.java

@@ -288,7 +288,7 @@ private ProjectFile readProjectFile(ProjectReader reader, File file) throws MPXJ
     */
    private ProjectFile handleOleCompoundDocument(InputStream stream) throws Exception
    {
-      POIFSFileSystem fs = new POIFSFileSystem(stream);
+      POIFSFileSystem fs = new POIFSFileSystem(POIFSFileSystem.createNonClosingInputStream(stream));
       MPPReader reader = new MPPReader();
       String fileFormat = reader.getFileFormat(fs);
       if (fileFormat.startsWith("MSProject"))