Include file-name in EmptyFileException

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1885192 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/poi/EmptyFileException.java

@@ -16,6 +16,8 @@
 ==================================================================== */
 package org.apache.poi;
 
+import java.io.File;
+
 /**
  * Exception thrown if an Empty (zero byte) file is supplied
  */
@@ -25,4 +27,8 @@ public class EmptyFileException extends IllegalArgumentException {
     public EmptyFileException() {
 		super("The supplied file was empty (zero bytes long)");
 	}
+
+    public EmptyFileException(File file) {
+		super("The supplied file '" + file.getAbsolutePath() + "' was empty (zero bytes long)");
+	}
 }

src/java/org/apache/poi/extractor/ExtractorFactory.java

@@ -181,7 +181,7 @@ public final class ExtractorFactory {
     @SuppressWarnings({"java:S2095"})
     public static POITextExtractor createExtractor(File file, String password) throws IOException {
         if (file.length() == 0) {
-            throw new EmptyFileException();
+            throw new EmptyFileException(file);
         }
 
         final FileMagic fm = FileMagic.valueOf(file);

src/java/org/apache/poi/poifs/filesystem/POIFSFileSystem.java

@@ -1,4 +1,3 @@
-
 /* ====================================================================
    Licensed to the Apache Software Foundation (ASF) under one or more
    contributor license agreements.  See the NOTICE file distributed with
@@ -15,8 +14,6 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 ==================================================================== */
-
-
 package org.apache.poi.poifs.filesystem;
 
 import java.io.ByteArrayOutputStream;
@@ -213,7 +210,7 @@ public class POIFSFileSystem extends BlockStore
             // Initialize the datasource
             if (srcFile != null) {
                 if (srcFile.length() == 0)
-                    throw new EmptyFileException();
+                    throw new EmptyFileException(srcFile);
 
                 FileBackedDataSource d = new FileBackedDataSource(srcFile, readOnly);
                 channel = d.getChannel();

src/java/org/apache/poi/sl/usermodel/SlideShowFactory.java

@@ -263,7 +263,7 @@ public final class SlideShowFactory {
         }
 
         if (file.length() == 0) {
-            throw new EmptyFileException();
+            throw new EmptyFileException(file);
         }
 
         FileMagic fm = FileMagic.valueOf(file);

src/java/org/apache/poi/ss/usermodel/WorkbookFactory.java

@@ -269,7 +269,7 @@ public final class WorkbookFactory {
         }
 
         if (file.length() == 0) {
-            throw new EmptyFileException();
+            throw new EmptyFileException(file);
         }
 
         FileMagic fm = FileMagic.valueOf(file);