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BufferUtils: resolve issue #1288 (rewrite isDirect()) (#1299)

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Stephen Gold 2020-02-24 08:40:02 -08:00 committed by Paul Speed
parent b102eabb56
commit fecd018fae
1 changed files with 55 additions and 77 deletions
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32
jme3-core/src/main/java/com/jme3/util/BufferUtils.java
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@ -1277,36 +1277,14 @@ public final class BufferUtils {
allocator.destroyDirectBuffer(toBeDestroyed); allocator.destroyDirectBuffer(toBeDestroyed);
} }
/* /**
* FIXME when java 1.5 supprt is dropped - replace calls to this method with * Test whether the specified buffer is direct.
* Buffer.isDirect
*
* Buffer.isDirect() is only java 6. Java 5 only have this method on Buffer
* subclasses : FloatBuffer, IntBuffer, ShortBuffer,
* ByteBuffer,DoubleBuffer, LongBuffer. CharBuffer has been excluded as we
* don't use it.
* *
* @param buf the buffer to test (not null, unaffected)
* @return true if direct, otherwise false
*/ */
private static boolean isDirect(Buffer buf) { private static boolean isDirect(Buffer buf) {
if (buf instanceof FloatBuffer) { return buf.isDirect();
return ((FloatBuffer) buf).isDirect();
}
if (buf instanceof IntBuffer) {
return ((IntBuffer) buf).isDirect();
}
if (buf instanceof ShortBuffer) {
return ((ShortBuffer) buf).isDirect();
}
if (buf instanceof ByteBuffer) {
return ((ByteBuffer) buf).isDirect();
}
if (buf instanceof DoubleBuffer) {
return ((DoubleBuffer) buf).isDirect();
}
if (buf instanceof LongBuffer) {
return ((LongBuffer) buf).isDirect();
}
throw new UnsupportedOperationException(" BufferUtils.isDirect was called on " + buf.getClass().getName());
} }
private static class BufferInfo extends PhantomReference<Buffer> { private static class BufferInfo extends PhantomReference<Buffer> {