TIKA-4037 -- add detection for os2 bitmap arrays.

Author: tballison

tika-core/src/main/resources/org/apache/tika/mime/tika-mimetypes.xml

@@ -5642,8 +5642,21 @@
       <match value="0x762F310102040000" type="string" offset="0"/>
     </magic>
     <glob pattern="*.exr"/>
-  </mime-type> 
+  </mime-type>
 
+  <mime-type type="image/x-os2-graphics; charset=binary">
+    <_comment>OS2 bitmap array</_comment>
+    <tika:link>http://fileformats.archiveteam.org/wiki/OS/2_Bitmap_Array</tika:link>
+    <magic priority="50">
+      <match value="BA" type="string" offset="0">
+        <match value="BM" type="string" offset="14"/>
+        <match value="CI" type="string" offset="14"/>
+        <match value="IC" type="string" offset="14"/>
+        <match value="CP" type="string" offset="14"/>
+        <match value="PT" type="string" offset="14"/>
+      </match>
+    </magic>
+  </mime-type>
   <mime-type type="image/bmp">
     <alias type="image/x-bmp"/>
     <alias type="image/x-ms-bmp"/>

tika-parsers/tika-parsers-standard/tika-parsers-standard-package/src/test/java/org/apache/tika/mime/TestMimeTypes.java

@@ -571,6 +571,11 @@ public void testBmpDetection() throws Exception {
         assertType("text/plain", "testBMPfp.txt");
     }
 
+    @Test
+    public void testOS2BitmapArray() throws Exception {
+        assertTypeByData("image/x-os2-graphics; charset=binary", "testOS2BitmapArray");
+    }
+
     @Test
     public void testPnmDetection() throws Exception {
         assertType("image/x-portable-bitmap", "testPBM.pbm");