#65304 - Add commons-io as a dependency

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1889871 13f79535-47bb-0310-9956-ffa450edef68

3 files changed, 10 insertions, 12 deletions

diff --git a/poi-examples/src/main/java/org/apache/poi/examples/hpsf/WriteAuthorAndTitle.java b/poi-examples/src/main/java/org/apache/poi/examples/hpsf/WriteAuthorAndTitle.java
index 94ceaf6c03..71f4d8aa93 100644
--- a/poi-examples/src/main/java/org/apache/poi/examples/hpsf/WriteAuthorAndTitle.java
+++ b/poi-examples/src/main/java/org/apache/poi/examples/hpsf/WriteAuthorAndTitle.java
@@ -24,7 +24,6 @@ import java.io.InputStream;
 import java.io.OutputStream;
 
 import org.apache.poi.hpsf.HPSFRuntimeException;
-import org.apache.poi.hpsf.MarkUnsupportedException;
 import org.apache.poi.hpsf.NoPropertySetStreamException;
 import org.apache.poi.hpsf.PropertySet;
 import org.apache.poi.hpsf.PropertySetFactory;
@@ -165,7 +164,7 @@ public final class WriteAuthorAndTitle {
                 de.createDocument(event.getName(), is);
             }
 
-        } catch (MarkUnsupportedException | WritingNotSupportedException | IOException | NoPropertySetStreamException ex) {
+        } catch (WritingNotSupportedException | IOException | NoPropertySetStreamException ex) {
             // According to the definition of the processPOIFSReaderEvent method we cannot pass checked
             // exceptions to the caller.
             throw new HPSFRuntimeException("Could not read file " + event.getPath() + "/" + event.getName(), ex);
diff --git a/poi-examples/src/main/java/org/apache/poi/examples/hssf/usermodel/OfficeDrawing.java b/poi-examples/src/main/java/org/apache/poi/examples/hssf/usermodel/OfficeDrawing.java
index 4603864d86..2cefd3d87f 100644
--- a/poi-examples/src/main/java/org/apache/poi/examples/hssf/usermodel/OfficeDrawing.java
+++ b/poi-examples/src/main/java/org/apache/poi/examples/hssf/usermodel/OfficeDrawing.java
@@ -17,11 +17,12 @@
 
 package org.apache.poi.examples.hssf.usermodel;
 
-import java.io.ByteArrayOutputStream;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 
+import org.apache.commons.io.IOUtils;
+import org.apache.commons.io.output.UnsynchronizedByteArrayOutputStream;
 import org.apache.poi.hssf.usermodel.HSSFChildAnchor;
 import org.apache.poi.hssf.usermodel.HSSFClientAnchor;
 import org.apache.poi.hssf.usermodel.HSSFFont;
@@ -188,14 +189,11 @@ public final class OfficeDrawing {
 
     }
 
-    private static int loadPicture( String path, HSSFWorkbook wb ) throws IOException
-    {
+    private static int loadPicture( String path, HSSFWorkbook wb ) throws IOException {
         int pictureIndex;
         try (FileInputStream fis = new FileInputStream(path);
-             ByteArrayOutputStream bos = new ByteArrayOutputStream()) {
-            int c;
-            while ((c = fis.read()) != -1)
-                bos.write(c);
+             UnsynchronizedByteArrayOutputStream bos = new UnsynchronizedByteArrayOutputStream()) {
+            IOUtils.copy(fis, bos);
             pictureIndex = wb.addPicture(bos.toByteArray(), Workbook.PICTURE_TYPE_PNG);
         }
         return pictureIndex;
diff --git a/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/CustomXMLMapping.java b/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/CustomXMLMapping.java
index ebc04a4d33..edba46bba3 100644
--- a/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/CustomXMLMapping.java
+++ b/poi-examples/src/main/java/org/apache/poi/examples/xssf/usermodel/CustomXMLMapping.java
@@ -16,8 +16,9 @@
 ==================================================================== */
 package org.apache.poi.examples.xssf.usermodel;
 
-import java.io.ByteArrayOutputStream;
+import java.nio.charset.StandardCharsets;
 
+import org.apache.commons.io.output.UnsynchronizedByteArrayOutputStream;
 import org.apache.poi.openxml4j.opc.OPCPackage;
 import org.apache.poi.xssf.extractor.XSSFExportToXml;
 import org.apache.poi.xssf.usermodel.XSSFMap;
@@ -37,9 +38,9 @@ public final class CustomXMLMapping {
             for (XSSFMap map : wb.getCustomXMLMappings()) {
                 XSSFExportToXml exporter = new XSSFExportToXml(map);
 
-                ByteArrayOutputStream os = new ByteArrayOutputStream();
+                UnsynchronizedByteArrayOutputStream os = new UnsynchronizedByteArrayOutputStream();
                 exporter.exportToXML(os, true);
-                String xml = os.toString("UTF-8");
+                String xml = os.toString(StandardCharsets.UTF_8);
                 System.out.println(xml);
             }
         }