private final java.nio.ByteBuffer copyToByteBuffer(java.nio.Buffer buf) {
if (buf instanceof java.nio.ByteBuffer) {
if (buf.position() == 0) {
return (java.nio.ByteBuffer) buf;
}
return Buffers.copyByteBuffer((java.nio.ByteBuffer) buf);
} else if (buf instanceof java.nio.ShortBuffer) {
return Buffers.copyShortBufferAsByteBuffer((java.nio.ShortBuffer) buf);
} else if (buf instanceof java.nio.IntBuffer) {
return Buffers.copyIntBufferAsByteBuffer((java.nio.IntBuffer) buf);
} else if (buf instanceof java.nio.FloatBuffer) {
return Buffers.copyFloatBufferAsByteBuffer((java.nio.FloatBuffer) buf);
} else {
throw new IllegalArgumentException(
"Unsupported buffer type (must be one of byte, short, int, or float)");
}
}
