From b587478f7cc14d8ba426dbd22db00f5a5a21320b Mon Sep 17 00:00:00 2001
From: Richard Warburton <rwarburton@openjdk.org>
Date: Wed, 29 Oct 2014 12:09:17 +0100
Subject: [PATCH] 8062376: Suppress cast warnings when using NIO buffers

Reviewed-by: psandoz, jfranck
---
 .../classes/com/sun/tools/javac/file/JavacFileManager.java     | 1 +
 .../classes/com/sun/tools/javac/util/BaseFileManager.java      | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/file/JavacFileManager.java b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/file/JavacFileManager.java
index 24ead9af4dc..72c6574410e 100644
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/file/JavacFileManager.java
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/file/JavacFileManager.java
@@ -76,6 +76,7 @@ import static javax.tools.StandardLocation.*;
  */
 public class JavacFileManager extends BaseFileManager implements StandardJavaFileManager {
 
+    @SuppressWarnings("cast")
     public static char[] toArray(CharBuffer buffer) {
         if (buffer.hasArray())
             return ((CharBuffer)buffer.compact().flip()).array();
diff --git a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/util/BaseFileManager.java b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/util/BaseFileManager.java
index 13ebfd2d619..0959ce7dec3 100644
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/util/BaseFileManager.java
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/util/BaseFileManager.java
@@ -235,6 +235,7 @@ public abstract class BaseFileManager implements JavaFileManager {
             return encName;
     }
 
+    @SuppressWarnings("cast")
     public CharBuffer decode(ByteBuffer inbuf, boolean ignoreEncodingErrors) {
         String encodingName = getEncodingName();
         CharsetDecoder decoder;
@@ -315,6 +316,7 @@ public abstract class BaseFileManager implements JavaFileManager {
      * @return a byte buffer containing the contents of the stream
      * @throws IOException if an error occurred while reading the stream
      */
+    @SuppressWarnings("cast")
     public ByteBuffer makeByteBuffer(InputStream in)
         throws IOException {
         int limit = in.available();
@@ -343,6 +345,7 @@ public abstract class BaseFileManager implements JavaFileManager {
     /**
      * A single-element cache of direct byte buffers.
      */
+    @SuppressWarnings("cast")
     private static class ByteBufferCache {
         private ByteBuffer cached;
         ByteBuffer get(int capacity) {