Merge pull request #165 from mbrocchieri/caseInsensitiveInZip

allow to be case insensitive inside zip

Author: Olivier Chédru

fastexcel-reader/src/main/java/org/dhatim/fastexcel/reader/OPCPackage.java

@@ -11,6 +11,7 @@
 import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.Enumeration;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -162,6 +163,14 @@ private InputStream getEntryContent(String name) throws IOException {
         }
         ZipArchiveEntry entry = zip.getEntry(name);
         if (entry == null) {
+            // to be case insensitive
+            Enumeration<ZipArchiveEntry> entries = zip.getEntries();
+            while (entries.hasMoreElements()) {
+                ZipArchiveEntry e = entries.nextElement();
+                if (e.getName().equalsIgnoreCase(name)) {
+                    return zip.getInputStream(e);
+                }
+            }
             return null;
         }
         return zip.getInputStream(entry);

fastexcel-reader/src/test/java/org/dhatim/fastexcel/reader/SimpleReaderTest.java

@@ -134,4 +134,21 @@ public void testDefaultWorkbookPath2() throws IOException {
             }
         }
     }
+
+    @Test
+    public void testCaseInsensitiveInFileNames() throws IOException {
+        try (InputStream is = Resources.open("/xlsx/caseInsensitive.xlsx");
+             ReadableWorkbook wb = new ReadableWorkbook(is, new ReadingOptions(false, true))) {
+            Sheet sheet = wb.getFirstSheet();
+            try (Stream<Row> rows = sheet.openStream()) {
+                Iterator<Row> it = rows.iterator();
+                assertTrue(it.hasNext());
+                Iterator<Cell> cellIt = it.next().iterator();
+                assertTrue(cellIt.hasNext());
+                Cell cell = cellIt.next();
+                assertEquals(CellType.STRING, cell.getType());
+                assertEquals("A", cell.getValue());
+            }
+        }
+    }
 }