8262403: Enhanced data transfers

mrserb · slowhog · commit 9accf7c894f2 · 2021-07-21T20:28:55.000Z
Reviewed-by: rhalade, prr, vdyakov, ahgross
diff --git a/src/java.datatransfer/share/classes/java/awt/datatransfer/MimeType.java b/src/java.datatransfer/share/classes/java/awt/datatransfer/MimeType.java
@@ -25,6 +25,7 @@
 
 package java.awt.datatransfer;
 
+import java.io.ByteArrayOutputStream;
 import java.io.Externalizable;
 import java.io.IOException;
 import java.io.ObjectInput;
@@ -321,9 +322,12 @@ public void readExternal(ObjectInput in) throws IOException,
 ClassNotFoundException {
         String s = in.readUTF();
         if (s == null || s.length() == 0) { // long mime type
-            byte[] ba = new byte[in.readInt()];
-            in.readFully(ba);
-            s = new String(ba);
+            ByteArrayOutputStream baos = new ByteArrayOutputStream();
+            int len = in.readInt();
+            while (len-- > 0) {
+                baos.write(in.readByte());
+            }
+            s = baos.toString();
         }
         try {
             parse(s);
