From 6fb2c90d9ef1469312840f80612504f27f03cf00 Mon Sep 17 00:00:00 2001
From: Kamil Rojewski <kamil.rojewski@gmail.com>
Date: Thu, 5 Aug 2021 21:25:23 +0200
Subject: [PATCH] avoiding even more NoSuchMethod exceptions (#6729)

* avoiding more NoSuchMethod exceptions

refs #6657

* avoiding even more NoSuchMethod exceptions

refs #6657
---
 java/com/google/flatbuffers/ByteBufferUtil.java    | 6 +++---
 java/com/google/flatbuffers/FlatBufferBuilder.java | 6 +++---
 java/com/google/flatbuffers/Table.java             | 4 ++--
 java/com/google/flatbuffers/Utf8Old.java           | 8 ++++----
 4 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/java/com/google/flatbuffers/ByteBufferUtil.java b/java/com/google/flatbuffers/ByteBufferUtil.java
index da86a35c4..717d6e1b7 100644
--- a/java/com/google/flatbuffers/ByteBufferUtil.java
+++ b/java/com/google/flatbuffers/ByteBufferUtil.java
@@ -49,9 +49,9 @@ public class ByteBufferUtil {
      *         size prefix
      */
     public static ByteBuffer removeSizePrefix(ByteBuffer bb) {
-        ByteBuffer s = bb.duplicate();
-        ((Buffer) s).position(s.position() + SIZE_PREFIX_LENGTH);
-        return s;
+        Buffer s = ((Buffer) bb).duplicate();
+        s.position(s.position() + SIZE_PREFIX_LENGTH);
+        return (ByteBuffer) s;
     }
 
 }
diff --git a/java/com/google/flatbuffers/FlatBufferBuilder.java b/java/com/google/flatbuffers/FlatBufferBuilder.java
index 1e1814889..b8c1aa203 100644
--- a/java/com/google/flatbuffers/FlatBufferBuilder.java
+++ b/java/com/google/flatbuffers/FlatBufferBuilder.java
@@ -1089,10 +1089,10 @@ public class FlatBufferBuilder {
      */
     public InputStream sizedInputStream() {
         finished();
-        ByteBuffer duplicate = bb.duplicate();
-        ((Buffer) duplicate).position(space);
+        Buffer duplicate = ((Buffer) bb).duplicate();
+        duplicate.position(space);
         duplicate.limit(bb.capacity());
-        return new ByteBufferBackedInputStream(duplicate);
+        return new ByteBufferBackedInputStream((ByteBuffer) duplicate);
     }
 
     /**
diff --git a/java/com/google/flatbuffers/Table.java b/java/com/google/flatbuffers/Table.java
index 46fa57044..72fdb0a74 100644
--- a/java/com/google/flatbuffers/Table.java
+++ b/java/com/google/flatbuffers/Table.java
@@ -151,9 +151,9 @@ public class Table {
   protected ByteBuffer __vector_as_bytebuffer(int vector_offset, int elem_size) {
     int o = __offset(vector_offset);
     if (o == 0) return null;
-    ByteBuffer bb = this.bb.duplicate().order(ByteOrder.LITTLE_ENDIAN);
+    ByteBuffer bb = ((ByteBuffer) (((Buffer) this.bb).duplicate())).order(ByteOrder.LITTLE_ENDIAN);
     int vectorstart = __vector(o);
-    ((Buffer) bb).position(vectorstart);
+    bb.position(vectorstart);
     bb.limit(vectorstart + __vector_len(o) * elem_size);
     return bb;
   }
diff --git a/java/com/google/flatbuffers/Utf8Old.java b/java/com/google/flatbuffers/Utf8Old.java
index 64b0cf02e..e6d02f8ee 100644
--- a/java/com/google/flatbuffers/Utf8Old.java
+++ b/java/com/google/flatbuffers/Utf8Old.java
@@ -87,11 +87,11 @@ public class Utf8Old extends Utf8 {
   public String decodeUtf8(ByteBuffer buffer, int offset, int length) {
     CharsetDecoder decoder = CACHE.get().decoder;
     decoder.reset();
-    buffer = buffer.duplicate();
-    ((Buffer) buffer).position(offset);
-    buffer.limit(offset + length);
+    Buffer b = ((Buffer) buffer).duplicate();
+    b.position(offset);
+    b.limit(offset + length);
     try {
-      CharBuffer result = decoder.decode(buffer);
+      CharBuffer result = decoder.decode((ByteBuffer) b);
       return result.toString();
     } catch (CharacterCodingException e) {
       throw new IllegalArgumentException("Bad encoding", e);