From f72f1b30527fd5ac52e578da57e57e78bac25329 Mon Sep 17 00:00:00 2001
From: Stefan Kolb <stefan-kolb@web.de>
Date: Mon, 22 Feb 2016 21:13:25 +0100
Subject: [PATCH] Add new Mime tyoe detection

---
 .../sf/jabref/logic/io/MimeTypeDetector.java  | 19 +++++++++----------
 .../jabref/logic/io/MimeTypeDetectorTest.java |  8 ++------
 2 files changed, 11 insertions(+), 16 deletions(-)

diff --git a/src/main/java/net/sf/jabref/logic/io/MimeTypeDetector.java b/src/main/java/net/sf/jabref/logic/io/MimeTypeDetector.java
index 6f8554ea5ad..e71f3203e97 100644
--- a/src/main/java/net/sf/jabref/logic/io/MimeTypeDetector.java
+++ b/src/main/java/net/sf/jabref/logic/io/MimeTypeDetector.java
@@ -1,10 +1,12 @@
 package net.sf.jabref.logic.io;
 
-import com.mashape.unirest.http.Unirest;
-import com.mashape.unirest.http.exceptions.UnirestException;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
+import java.io.IOException;
+import java.net.URL;
+import java.net.URLConnection;
+
 public class MimeTypeDetector {
     private static final Log LOGGER = LogFactory.getLog(MimeTypeDetector.class);
 
@@ -14,15 +16,12 @@ public static boolean isPdfContentType(String url) {
         return contentType != null && contentType.toLowerCase().startsWith("application/pdf");
     }
 
-    public static String getMimeType(String url) {
+    private static String getMimeType(String url) {
         try {
-            String contentType = Unirest.head(url).asBinary().getHeaders().getFirst("Content-Type");
-            // HEAD and GET headers might differ, try real GET request
-            if(contentType == null) {
-                contentType = Unirest.get(url).asBinary().getHeaders().getFirst("Content-Type");
-            }
-            return contentType;
-        } catch (UnirestException | RuntimeException e) {
+            URLConnection connection = new URL(url).openConnection();
+
+            return connection.getContentType();
+        } catch (IOException e) {
             LOGGER.debug("Error getting MIME type of URL", e);
             return null;
         }
diff --git a/src/test/java/net/sf/jabref/logic/io/MimeTypeDetectorTest.java b/src/test/java/net/sf/jabref/logic/io/MimeTypeDetectorTest.java
index aad56e8f22e..3c9fe3c250e 100644
--- a/src/test/java/net/sf/jabref/logic/io/MimeTypeDetectorTest.java
+++ b/src/test/java/net/sf/jabref/logic/io/MimeTypeDetectorTest.java
@@ -3,16 +3,12 @@
 import com.github.tomakehurst.wiremock.junit.WireMockRule;
 import org.junit.Rule;
 import org.junit.Test;
-import org.junit.Ignore;
 
-import java.io.File;
-import java.net.MalformedURLException;
-import java.net.URI;
 import java.net.URISyntaxException;
-import java.net.URL;
 
-import static org.junit.Assert.*;
 import static com.github.tomakehurst.wiremock.client.WireMock.*;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
 
 public class MimeTypeDetectorTest {
     @Rule