Start on a Text Extractor for the pre-OLE2 Excel formats like Excel 4, for TIKA-1490

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1642490 13f79535-47bb-0310-9956-ffa450edef68

2 files changed, 53 insertions, 0 deletions

diff --git a/src/testcases/org/apache/poi/hssf/dev/TestBiffViewer.java b/src/testcases/org/apache/poi/hssf/dev/TestBiffViewer.java
index ff8e18937e..b7013c1503 100644
--- a/src/testcases/org/apache/poi/hssf/dev/TestBiffViewer.java
+++ b/src/testcases/org/apache/poi/hssf/dev/TestBiffViewer.java
@@ -38,6 +38,7 @@ public class TestBiffViewer extends BaseXLSIteratingTest {
 		SILENT_EXCLUDED.add("46904.xls");
         SILENT_EXCLUDED.add("35897-type4.xls"); // unsupported crypto api header 
 		SILENT_EXCLUDED.add("xor-encryption-abc.xls"); // unsupported XOR-encryption
+        SILENT_EXCLUDED.add("testEXCEL_4.xls"); // Biff 4 / Excel 4, pre-OLE2
 	}
 
 	@Override
diff --git a/src/testcases/org/apache/poi/hssf/extractor/TestOldExcelExtractor.java b/src/testcases/org/apache/poi/hssf/extractor/TestOldExcelExtractor.java
new file mode 100644
index 0000000000..a5c7dbedc2
--- /dev/null
+++ b/src/testcases/org/apache/poi/hssf/extractor/TestOldExcelExtractor.java
@@ -0,0 +1,52 @@
+/* ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
+
+package org.apache.poi.hssf.extractor;
+
+import java.io.InputStream;
+
+import junit.framework.TestCase;
+
+import org.apache.poi.hssf.HSSFTestDataSamples;
+
+/**
+ * Unit tests for the Excel 4 (and older) text extractor
+ */
+public final class TestOldExcelExtractor extends TestCase {
+    private static OldExcelExtractor createExtractor(String sampleFileName) {
+        InputStream is = HSSFTestDataSamples.openSampleFileStream(sampleFileName);
+
+        try {
+            return new OldExcelExtractor(is);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public void testSimple() {
+        OldExcelExtractor extractor = createExtractor("testEXCEL_4.xls");
+
+        // Check we can call getText without error
+        String text = extractor.getText();
+
+        // Check we find a few words we expect in there
+        assertTrue(text, text.contains("Size"));
+        assertTrue(text, text.contains("Returns"));
+    }
+
+    // TODO Rest of the tests
+}