1 files changed, 14 insertions, 0 deletions
diff --git a/java/org/brotli/wrapper/dec/DecoderJNI.java b/java/org/brotli/wrapper/dec/DecoderJNI.java
index 2319b1e..fc5225d 100644
--- a/java/org/brotli/wrapper/dec/DecoderJNI.java
+++ b/java/org/brotli/wrapper/dec/DecoderJNI.java
@@ -17,6 +17,7 @@ public class DecoderJNI {
   private static native void nativePush(long[] context, int length);
   private static native ByteBuffer nativePull(long[] context);
   private static native void nativeDestroy(long[] context);
+  private static native boolean nativeAttachDictionary(long[] context, ByteBuffer dictionary);
 
   public enum Status {
     ERROR,
@@ -40,6 +41,19 @@ public class DecoderJNI {
       }
     }
 
+    public boolean attachDictionary(ByteBuffer dictionary) {
+      if (!dictionary.isDirect()) {
+        throw new IllegalArgumentException("only direct buffers allowed");
+      }
+      if (context[0] == 0) {
+        throw new IllegalStateException("brotli decoder is already destroyed");
+      }
+      if (!fresh) {
+        throw new IllegalStateException("decoding is already started");
+      }
+      return nativeAttachDictionary(context, dictionary);
+    }
+
     public void push(int length) {
       if (length < 0) {
         throw new IllegalArgumentException("negative block length");