android: remove the native DirectBufferAllocator

Change-Id: I41d25d288253f1b35c268ba70b8384812fa567e5
(cherry picked from commit c8dcec92470745f07c51074404ce4250428f2255)

1 files changed, 5 insertions, 46 deletions

diff --git a/android/Bootstrap/src/org/libreoffice/kit/DirectBufferAllocator.java b/android/Bootstrap/src/org/libreoffice/kit/DirectBufferAllocator.java
index de90303d9eba..99cb3a48620f 100644
--- a/android/Bootstrap/src/org/libreoffice/kit/DirectBufferAllocator.java
+++ b/android/Bootstrap/src/org/libreoffice/kit/DirectBufferAllocator.java
@@ -5,14 +5,12 @@
 
 package org.libreoffice.kit;
 
-//
-// We must manually allocate direct buffers in JNI to work around a bug where Honeycomb's
-// ByteBuffer.allocateDirect() grossly overallocates the direct buffer size.
-// https://code.google.com/p/android/issues/detail?id=16941
-//
-
 import java.nio.ByteBuffer;
 
+/**
+ * This is the common code for allocation and freeing of memory. For this direct ByteBuffer is used but
+ * in the past it was possible to use a JNI version of allocation because of a bug in old Android version.
+ */
 public final class DirectBufferAllocator {
 
     private static final String LOGTAG = DirectBufferAllocator.class.getSimpleName();
@@ -20,46 +18,7 @@ public final class DirectBufferAllocator {
     private DirectBufferAllocator() {
     }
 
-    private static native ByteBuffer allocateDirectBufferNative(int size);
-
-    private static native void freeDirectBufferNative(ByteBuffer aBuffer);
-
     public static ByteBuffer allocate(int size) {
-        return allocateVM(size);
-    }
-
-    public static ByteBuffer free(ByteBuffer buffer) {
-        return freeVM(buffer);
-    }
-
-    private static ByteBuffer allocateJNI(int size) {
-        ByteBuffer directBuffer = allocateDirectBufferNative(size);
-        if (directBuffer == null) {
-            if (size <= 0) {
-                throw new IllegalArgumentException("Invalid allocation size: " + size);
-            } else {
-                throw new OutOfMemoryError("allocateDirectBuffer() returned null");
-            }
-        } else if (!directBuffer.isDirect()) {
-            throw new AssertionError("allocateDirectBuffer() did not return a direct buffer");
-        }
-        return directBuffer;
-    }
-
-    private static ByteBuffer freeJNI(ByteBuffer buffer) {
-        if (buffer == null) {
-            return null;
-        }
-
-        if (!buffer.isDirect()) {
-            throw new IllegalArgumentException("ByteBuffer must be direct");
-        }
-
-        freeDirectBufferNative(buffer);
-        return null;
-    }
-
-    private static ByteBuffer allocateVM(int size) {
         ByteBuffer directBuffer = ByteBuffer.allocateDirect(size);
         if (directBuffer == null) {
             if (size <= 0) {
@@ -74,7 +33,7 @@ public final class DirectBufferAllocator {
         return directBuffer;
     }
 
-    private static ByteBuffer freeVM(ByteBuffer buffer) {
+    public static ByteBuffer free(ByteBuffer buffer) {
         if (buffer == null) {
             return null;
         }