Closes #639: rework mime type resolution using java api

docs-core/src/test/java/com/sismics/util/TestMimeTypeUtil.java

@@ -15,7 +15,7 @@ import java.nio.file.Paths;
  */
 public class TestMimeTypeUtil {
     @Test
-    public void guessOpenDocumentFormatTest() throws Exception {
+    public void test() throws Exception {
         // Detect ODT files
         Path path = Paths.get(ClassLoader.getSystemResource("file/document.odt").toURI());
         Assert.assertEquals(MimeType.OPEN_DOCUMENT_TEXT, MimeTypeUtil.guessMimeType(path, "document.odt"));
@@ -28,7 +28,44 @@ public class TestMimeTypeUtil {
         path = Paths.get(ClassLoader.getSystemResource("file/apache.pptx").toURI());
         Assert.assertEquals(MimeType.OFFICE_PRESENTATION, MimeTypeUtil.guessMimeType(path, "apache.pptx"));
 
+        // Detect XLSX files
+        path = Paths.get(ClassLoader.getSystemResource("file/document.xlsx").toURI());
+        Assert.assertEquals(MimeType.OFFICE_SHEET, MimeTypeUtil.guessMimeType(path, "document.xlsx"));
+
         // Detect TXT files
-        Assert.assertEquals(MimeType.TEXT_PLAIN, MimeTypeUtil.guessMimeType(path, "file.txt"));
+        path = Paths.get(ClassLoader.getSystemResource("file/document.txt").toURI());
+        Assert.assertEquals(MimeType.TEXT_PLAIN, MimeTypeUtil.guessMimeType(path, "document.txt"));
+
+        // Detect CSV files
+        path = Paths.get(ClassLoader.getSystemResource("file/document.csv").toURI());
+        Assert.assertEquals(MimeType.TEXT_CSV, MimeTypeUtil.guessMimeType(path, "document.csv"));
+
+        // Detect PDF files
+        path = Paths.get(ClassLoader.getSystemResource("file/udhr.pdf").toURI());
+        Assert.assertEquals(MimeType.APPLICATION_PDF, MimeTypeUtil.guessMimeType(path, "udhr.pdf"));
+
+        // Detect JPEG files
+        path = Paths.get(ClassLoader.getSystemResource("file/apollo_portrait.jpg").toURI());
+        Assert.assertEquals(MimeType.IMAGE_JPEG, MimeTypeUtil.guessMimeType(path, "apollo_portrait.jpg"));
+
+        // Detect GIF files
+        path = Paths.get(ClassLoader.getSystemResource("file/image.gif").toURI());
+        Assert.assertEquals(MimeType.IMAGE_GIF, MimeTypeUtil.guessMimeType(path, "image.gif"));
+
+        // Detect PNG files
+        path = Paths.get(ClassLoader.getSystemResource("file/image.png").toURI());
+        Assert.assertEquals(MimeType.IMAGE_PNG, MimeTypeUtil.guessMimeType(path, "image.png"));
+
+        // Detect ZIP files
+        path = Paths.get(ClassLoader.getSystemResource("file/document.zip").toURI());
+        Assert.assertEquals(MimeType.APPLICATION_ZIP, MimeTypeUtil.guessMimeType(path, "document.zip"));
+
+        // Detect WEBM files
+        path = Paths.get(ClassLoader.getSystemResource("file/video.webm").toURI());
+        Assert.assertEquals(MimeType.VIDEO_WEBM, MimeTypeUtil.guessMimeType(path, "video.webm"));
+
+        // Detect MP4 files
+        path = Paths.get(ClassLoader.getSystemResource("file/video.mp4").toURI());
+        Assert.assertEquals(MimeType.VIDEO_MP4, MimeTypeUtil.guessMimeType(path, "video.mp4"));
     }
 }

docs-core/src/test/resources/file/document.csv

@@ -0,0 +1,2 @@
+col1,col2
+test,me

docs-core/src/test/resources/file/document.txt

@@ -0,0 +1 @@
+test me.