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authorMichael Bien <[email protected]>2010-03-29 04:02:08 +0200
committerMichael Bien <[email protected]>2010-03-29 04:02:08 +0200
commit2d76c16b9384d383d3e6a9d7cb727f2591a39228 (patch)
tree329e638a11a29961cb9fdad778e764dd77efa8f5 /src/java/com/jogamp/gluegen/runtime/Buffers.java
parent25cc744f6bd5ca97e0ae58fa7e1c35f7b0f3046d (diff)
renamed BufferFactory into Buffers.
Diffstat (limited to 'src/java/com/jogamp/gluegen/runtime/Buffers.java')
-rwxr-xr-xsrc/java/com/jogamp/gluegen/runtime/Buffers.java668
1 files changed, 668 insertions, 0 deletions
diff --git a/src/java/com/jogamp/gluegen/runtime/Buffers.java b/src/java/com/jogamp/gluegen/runtime/Buffers.java
new file mode 100755
index 0000000..843d8a6
--- /dev/null
+++ b/src/java/com/jogamp/gluegen/runtime/Buffers.java
@@ -0,0 +1,668 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ *
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+package com.jogamp.gluegen.runtime;
+
+import java.nio.*;
+
+/**
+ * @author Kenneth Russel
+ * @author Sven Gothel
+ * @author Michael Bien
+ */
+public class Buffers {
+
+ public static final int SIZEOF_BYTE = 1;
+ public static final int SIZEOF_SHORT = 2;
+ public static final int SIZEOF_CHAR = 2;
+ public static final int SIZEOF_INT = 4;
+ public static final int SIZEOF_FLOAT = 4;
+ public static final int SIZEOF_LONG = 8;
+ public static final int SIZEOF_DOUBLE = 8;
+
+ private Buffers() {}
+
+ /**
+ * Allocates a new direct ByteBuffer with the specified number of
+ * elements. The returned buffer will have its byte order set to
+ * the host platform's native byte order.
+ */
+ public static ByteBuffer newDirectByteBuffer(int numElements) {
+ return nativeOrder(ByteBuffer.allocateDirect(numElements));
+ }
+
+ public static ByteBuffer newDirectByteBuffer(byte[] values, int offset, int lenght) {
+ return (ByteBuffer)newDirectByteBuffer(lenght).put(values, offset, lenght).rewind();
+ }
+
+ public static ByteBuffer newDirectByteBuffer(byte[] values, int offset) {
+ return newDirectByteBuffer(values, offset, values.length-offset);
+ }
+
+ public static ByteBuffer newDirectByteBuffer(byte[] values) {
+ return newDirectByteBuffer(values, 0);
+ }
+
+ /**
+ * Allocates a new direct DoubleBuffer with the specified number of
+ * elements. The returned buffer will have its byte order set to
+ * the host platform's native byte order.
+ */
+ public static DoubleBuffer newDirectDoubleBuffer(int numElements) {
+ return newDirectByteBuffer(numElements * SIZEOF_DOUBLE).asDoubleBuffer();
+ }
+
+ public static DoubleBuffer newDirectDoubleBuffer(double[] values, int offset, int lenght) {
+ return (DoubleBuffer)newDirectDoubleBuffer(lenght).put(values, offset, lenght).rewind();
+ }
+
+ public static DoubleBuffer newDirectDoubleBuffer(double[] values, int offset) {
+ return newDirectDoubleBuffer(values, offset, values.length - offset);
+ }
+
+ public static DoubleBuffer newDirectDoubleBuffer(double[] values) {
+ return newDirectDoubleBuffer(values, 0);
+ }
+
+ /**
+ * Allocates a new direct FloatBuffer with the specified number of
+ * elements. The returned buffer will have its byte order set to
+ * the host platform's native byte order.
+ */
+ public static FloatBuffer newDirectFloatBuffer(int numElements) {
+ return newDirectByteBuffer(numElements * SIZEOF_FLOAT).asFloatBuffer();
+ }
+
+ public static FloatBuffer newDirectFloatBuffer(float[] values, int offset, int lenght) {
+ return (FloatBuffer)newDirectFloatBuffer(lenght).put(values, offset, lenght).rewind();
+ }
+
+ public static FloatBuffer newDirectFloatBuffer(float[] values, int offset) {
+ return newDirectFloatBuffer(values, offset, values.length - offset);
+ }
+
+ public static FloatBuffer newDirectFloatBuffer(float[] values) {
+ return newDirectFloatBuffer(values, 0);
+ }
+
+ /**
+ * Allocates a new direct IntBuffer with the specified number of
+ * elements. The returned buffer will have its byte order set to
+ * the host platform's native byte order.
+ */
+ public static IntBuffer newDirectIntBuffer(int numElements) {
+ return newDirectByteBuffer(numElements * SIZEOF_INT).asIntBuffer();
+ }
+
+ public static IntBuffer newDirectIntBuffer(int[] values, int offset, int lenght) {
+ return (IntBuffer)newDirectIntBuffer(lenght).put(values, offset, lenght).rewind();
+ }
+
+ public static IntBuffer newDirectIntBuffer(int[] values, int offset) {
+ return newDirectIntBuffer(values, offset, values.length - offset);
+ }
+
+ public static IntBuffer newDirectIntBuffer(int[] values) {
+ return newDirectIntBuffer(values, 0);
+ }
+
+ /**
+ * Allocates a new direct LongBuffer with the specified number of
+ * elements. The returned buffer will have its byte order set to
+ * the host platform's native byte order.
+ */
+ public static LongBuffer newDirectLongBuffer(int numElements) {
+ return newDirectByteBuffer(numElements * SIZEOF_LONG).asLongBuffer();
+ }
+
+ public static LongBuffer newDirectLongBuffer(long[] values, int offset, int lenght) {
+ return (LongBuffer)newDirectLongBuffer(lenght).put(values, offset, lenght).rewind();
+ }
+
+ public static LongBuffer newDirectLongBuffer(long[] values, int offset) {
+ return newDirectLongBuffer(values, offset, values.length - offset);
+ }
+
+ public static LongBuffer newDirectLongBuffer(long[] values) {
+ return newDirectLongBuffer(values, 0);
+ }
+
+ /**
+ * Allocates a new direct ShortBuffer with the specified number of
+ * elements. The returned buffer will have its byte order set to
+ * the host platform's native byte order.
+ */
+ public static ShortBuffer newDirectShortBuffer(int numElements) {
+ return newDirectByteBuffer(numElements * SIZEOF_SHORT).asShortBuffer();
+ }
+
+ public static ShortBuffer newDirectShortBuffer(short[] values, int offset, int lenght) {
+ return (ShortBuffer)newDirectShortBuffer(lenght).put(values, offset, lenght).rewind();
+ }
+
+ public static ShortBuffer newDirectShortBuffer(short[] values, int offset) {
+ return newDirectShortBuffer(values, offset, values.length - offset);
+ }
+
+ public static ShortBuffer newDirectShortBuffer(short[] values) {
+ return newDirectShortBuffer(values, 0);
+ }
+
+ /**
+ * Allocates a new direct CharBuffer with the specified number of
+ * elements. The returned buffer will have its byte order set to
+ * the host platform's native byte order.
+ */
+ public static CharBuffer newDirectCharBuffer(int numElements) {
+ return newDirectByteBuffer(numElements * SIZEOF_SHORT).asCharBuffer();
+ }
+
+ public static CharBuffer newDirectCharBuffer(char[] values, int offset, int lenght) {
+ return (CharBuffer)newDirectCharBuffer(lenght).put(values, offset, lenght).rewind();
+ }
+
+ public static CharBuffer newDirectCharBuffer(char[] values, int offset) {
+ return newDirectCharBuffer(values, offset, values.length - offset);
+ }
+
+ public static CharBuffer newDirectCharBuffer(char[] values) {
+ return newDirectCharBuffer(values, 0);
+ }
+
+ /**
+ * Helper routine to set a ByteBuffer to the native byte order, if
+ * that operation is supported by the underlying NIO
+ * implementation.
+ */
+ public static ByteBuffer nativeOrder(ByteBuffer buf) {
+ if (Platform.isJavaSE()) {
+ return buf.order(ByteOrder.nativeOrder());
+ } else {
+ // JSR 239 does not support the ByteOrder class or the order methods.
+ // The initial order of a byte buffer is the platform byte order.
+ return buf;
+ }
+ }
+
+ /**
+ * Helper routine to tell whether a buffer is direct or not. Null
+ * pointers are considered NOT direct. isDirect() should really be
+ * public in Buffer and not replicated in all subclasses.
+ */
+ public static boolean isDirect(Object buf) {
+ if (buf == null) {
+ return true;
+ }
+ if (buf instanceof ByteBuffer) {
+ return ((ByteBuffer) buf).isDirect();
+ } else if (buf instanceof FloatBuffer) {
+ return ((FloatBuffer) buf).isDirect();
+ } else if (buf instanceof IntBuffer) {
+ return ((IntBuffer) buf).isDirect();
+ } else if (buf instanceof ShortBuffer) {
+ return ((ShortBuffer) buf).isDirect();
+ } else if (buf instanceof PointerBuffer) {
+ return ((PointerBuffer) buf).isDirect();
+ } else if (Platform.isJavaSE()) {
+ if (buf instanceof DoubleBuffer) {
+ return ((DoubleBuffer) buf).isDirect();
+ } else if (buf instanceof LongBuffer) {
+ return ((LongBuffer) buf).isDirect();
+ }else if (buf instanceof CharBuffer) {
+ return ((CharBuffer) buf).isDirect();
+ }
+ }
+ throw new RuntimeException("Unexpected buffer type " + buf.getClass().getName());
+ }
+
+ /**
+ * Helper routine to get the Buffer byte offset by taking into
+ * account the Buffer position and the underlying type. This is
+ * the total offset for Direct Buffers.
+ */
+ public static int getDirectBufferByteOffset(Object buf) {
+ if (buf == null) {
+ return 0;
+ }
+ if (buf instanceof Buffer) {
+ int pos = ((Buffer) buf).position();
+ if (buf instanceof ByteBuffer) {
+ return pos;
+ } else if (buf instanceof FloatBuffer) {
+ return pos * SIZEOF_FLOAT;
+ } else if (buf instanceof IntBuffer) {
+ return pos * SIZEOF_INT;
+ } else if (buf instanceof ShortBuffer) {
+ return pos * SIZEOF_SHORT;
+ }else if(Platform.isJavaSE()) {
+ if (buf instanceof DoubleBuffer) {
+ return pos * SIZEOF_DOUBLE;
+ } else if (buf instanceof LongBuffer) {
+ return pos * SIZEOF_LONG;
+ } else if (buf instanceof CharBuffer) {
+ return pos * SIZEOF_CHAR;
+ }
+ }
+ } else if (buf instanceof PointerBuffer) {
+ PointerBuffer pointerBuffer = (PointerBuffer) buf;
+ return pointerBuffer.position() * PointerBuffer.elementSize();
+ }
+
+ throw new RuntimeException("Disallowed array backing store type in buffer "
+ + buf.getClass().getName());
+ }
+
+ /**
+ * Helper routine to return the array backing store reference from
+ * a Buffer object.
+ */
+ public static Object getArray(Object buf) {
+ if (buf == null) {
+ return null;
+ }
+ if (buf instanceof ByteBuffer) {
+ return ((ByteBuffer) buf).array();
+ } else if (buf instanceof FloatBuffer) {
+ return ((FloatBuffer) buf).array();
+ } else if (buf instanceof IntBuffer) {
+ return ((IntBuffer) buf).array();
+ } else if (buf instanceof ShortBuffer) {
+ return ((ShortBuffer) buf).array();
+ } else if (buf instanceof PointerBuffer) {
+ return ((PointerBuffer) buf).array();
+ }else if(Platform.isJavaSE()) {
+ if (buf instanceof DoubleBuffer) {
+ return ((DoubleBuffer) buf).array();
+ } else if (buf instanceof LongBuffer) {
+ return ((LongBuffer) buf).array();
+ } else if (buf instanceof CharBuffer) {
+ return ((CharBuffer) buf).array();
+ }
+ }
+
+ throw new RuntimeException("Disallowed array backing store type in buffer "
+ + buf.getClass().getName());
+ }
+
+ /**
+ * Helper routine to get the full byte offset from the beginning of
+ * the array that is the storage for the indirect Buffer
+ * object. The array offset also includes the position offset
+ * within the buffer, in addition to any array offset.
+ */
+ public static int getIndirectBufferByteOffset(Object buf) {
+ if (buf == null) {
+ return 0;
+ }
+ if (buf instanceof Buffer) {
+ int pos = ((Buffer) buf).position();
+ if (buf instanceof ByteBuffer) {
+ return (((ByteBuffer) buf).arrayOffset() + pos);
+ } else if (buf instanceof FloatBuffer) {
+ return (SIZEOF_FLOAT * (((FloatBuffer) buf).arrayOffset() + pos));
+ } else if (buf instanceof IntBuffer) {
+ return (SIZEOF_INT * (((IntBuffer) buf).arrayOffset() + pos));
+ } else if (buf instanceof ShortBuffer) {
+ return (SIZEOF_SHORT * (((ShortBuffer) buf).arrayOffset() + pos));
+ }else if(Platform.isJavaSE()) {
+ if (buf instanceof DoubleBuffer) {
+ return (SIZEOF_DOUBLE * (((DoubleBuffer) buf).arrayOffset() + pos));
+ } else if (buf instanceof LongBuffer) {
+ return (SIZEOF_LONG * (((LongBuffer) buf).arrayOffset() + pos));
+ } else if (buf instanceof CharBuffer) {
+ return (SIZEOF_CHAR * (((CharBuffer) buf).arrayOffset() + pos));
+ }
+ }
+ } else if (buf instanceof PointerBuffer) {
+ PointerBuffer pointerBuffer = (PointerBuffer) buf;
+ return PointerBuffer.elementSize() * (pointerBuffer.arrayOffset() + pointerBuffer.position());
+ }
+
+ throw new RuntimeException("Unknown buffer type " + buf.getClass().getName());
+ }
+
+
+ //----------------------------------------------------------------------
+ // Copy routines (type-to-type)
+ //
+ /**
+ * Copies the <i>remaining</i> elements (as defined by
+ * <code>limit() - position()</code>) in the passed ByteBuffer into
+ * a newly-allocated direct ByteBuffer. The returned buffer will
+ * have its byte order set to the host platform's native byte
+ * order. The position of the newly-allocated buffer will be zero,
+ * and the position of the passed buffer is unchanged (though its
+ * mark is changed).
+ */
+ public static ByteBuffer copyByteBuffer(ByteBuffer orig) {
+ ByteBuffer dest = newDirectByteBuffer(orig.remaining());
+ dest.put(orig);
+ dest.rewind();
+ return dest;
+ }
+
+ /**
+ * Copies the <i>remaining</i> elements (as defined by
+ * <code>limit() - position()</code>) in the passed FloatBuffer
+ * into a newly-allocated direct FloatBuffer. The returned buffer
+ * will have its byte order set to the host platform's native byte
+ * order. The position of the newly-allocated buffer will be zero,
+ * and the position of the passed buffer is unchanged (though its
+ * mark is changed).
+ */
+ public static FloatBuffer copyFloatBuffer(FloatBuffer orig) {
+ return copyFloatBufferAsByteBuffer(orig).asFloatBuffer();
+ }
+
+ /**
+ * Copies the <i>remaining</i> elements (as defined by
+ * <code>limit() - position()</code>) in the passed IntBuffer
+ * into a newly-allocated direct IntBuffer. The returned buffer
+ * will have its byte order set to the host platform's native byte
+ * order. The position of the newly-allocated buffer will be zero,
+ * and the position of the passed buffer is unchanged (though its
+ * mark is changed).
+ */
+ public static IntBuffer copyIntBuffer(IntBuffer orig) {
+ return copyIntBufferAsByteBuffer(orig).asIntBuffer();
+ }
+
+ /**
+ * Copies the <i>remaining</i> elements (as defined by
+ * <code>limit() - position()</code>) in the passed ShortBuffer
+ * into a newly-allocated direct ShortBuffer. The returned buffer
+ * will have its byte order set to the host platform's native byte
+ * order. The position of the newly-allocated buffer will be zero,
+ * and the position of the passed buffer is unchanged (though its
+ * mark is changed).
+ */
+ public static ShortBuffer copyShortBuffer(ShortBuffer orig) {
+ return copyShortBufferAsByteBuffer(orig).asShortBuffer();
+ }
+
+ //----------------------------------------------------------------------
+ // Copy routines (type-to-ByteBuffer)
+ //
+ /**
+ * Copies the <i>remaining</i> elements (as defined by
+ * <code>limit() - position()</code>) in the passed FloatBuffer
+ * into a newly-allocated direct ByteBuffer. The returned buffer
+ * will have its byte order set to the host platform's native byte
+ * order. The position of the newly-allocated buffer will be zero,
+ * and the position of the passed buffer is unchanged (though its
+ * mark is changed).
+ */
+ public static ByteBuffer copyFloatBufferAsByteBuffer(FloatBuffer orig) {
+ ByteBuffer dest = newDirectByteBuffer(orig.remaining() * SIZEOF_FLOAT);
+ dest.asFloatBuffer().put(orig);
+ dest.rewind();
+ return dest;
+ }
+
+ /**
+ * Copies the <i>remaining</i> elements (as defined by
+ * <code>limit() - position()</code>) in the passed IntBuffer into
+ * a newly-allocated direct ByteBuffer. The returned buffer will
+ * have its byte order set to the host platform's native byte
+ * order. The position of the newly-allocated buffer will be zero,
+ * and the position of the passed buffer is unchanged (though its
+ * mark is changed).
+ */
+ public static ByteBuffer copyIntBufferAsByteBuffer(IntBuffer orig) {
+ ByteBuffer dest = newDirectByteBuffer(orig.remaining() * SIZEOF_INT);
+ dest.asIntBuffer().put(orig);
+ dest.rewind();
+ return dest;
+ }
+
+ /**
+ * Copies the <i>remaining</i> elements (as defined by
+ * <code>limit() - position()</code>) in the passed ShortBuffer
+ * into a newly-allocated direct ByteBuffer. The returned buffer
+ * will have its byte order set to the host platform's native byte
+ * order. The position of the newly-allocated buffer will be zero,
+ * and the position of the passed buffer is unchanged (though its
+ * mark is changed).
+ */
+ public static ByteBuffer copyShortBufferAsByteBuffer(ShortBuffer orig) {
+ ByteBuffer dest = newDirectByteBuffer(orig.remaining() * SIZEOF_SHORT);
+ dest.asShortBuffer().put(orig);
+ dest.rewind();
+ return dest;
+ }
+
+ //----------------------------------------------------------------------
+ // Conversion routines
+ //
+ public final static FloatBuffer getFloatBuffer(DoubleBuffer source) {
+ source.rewind();
+ FloatBuffer dest = newDirectFloatBuffer(source.limit());
+ while (source.hasRemaining()) {
+ dest.put((float) source.get());
+ }
+ return dest;
+ }
+
+ //----------------------------------------------------------------------
+ // Convenient put methods with generic target Buffer
+ //
+ public static Buffer put(Buffer dest, Buffer src) {
+ if ((dest instanceof ByteBuffer) && (src instanceof ByteBuffer)) {
+ return ((ByteBuffer) dest).put((ByteBuffer) src);
+ } else if ((dest instanceof ShortBuffer) && (src instanceof ShortBuffer)) {
+ return ((ShortBuffer) dest).put((ShortBuffer) src);
+ } else if ((dest instanceof IntBuffer) && (src instanceof IntBuffer)) {
+ return ((IntBuffer) dest).put((IntBuffer) src);
+ } else if ((dest instanceof FloatBuffer) && (src instanceof FloatBuffer)) {
+ return ((FloatBuffer) dest).put((FloatBuffer) src);
+ } else if (Platform.isJavaSE()) {
+ if ((dest instanceof LongBuffer) && (src instanceof LongBuffer)) {
+ return ((LongBuffer) dest).put((LongBuffer) src);
+ } else if ((dest instanceof DoubleBuffer) && (src instanceof DoubleBuffer)) {
+ return ((DoubleBuffer) dest).put((DoubleBuffer) src);
+ } else if ((dest instanceof CharBuffer) && (src instanceof CharBuffer)) {
+ return ((CharBuffer) dest).put((CharBuffer) src);
+ }
+ }
+ throw new RuntimeException("Incompatible Buffer classes: dest = " + dest.getClass().getName() + ", src = " + src.getClass().getName());
+ }
+
+ public static Buffer putb(Buffer dest, byte v) {
+ if (dest instanceof ByteBuffer) {
+ return ((ByteBuffer) dest).put(v);
+ } else if (dest instanceof ShortBuffer) {
+ return ((ShortBuffer) dest).put((short) v);
+ } else if (dest instanceof IntBuffer) {
+ return ((IntBuffer) dest).put((int) v);
+ } else {
+ throw new RuntimeException("Byte doesn't match Buffer Class: " + dest);
+ }
+ }
+
+ public static Buffer puts(Buffer dest, short v) {
+ if (dest instanceof ShortBuffer) {
+ return ((ShortBuffer) dest).put(v);
+ } else if (dest instanceof IntBuffer) {
+ return ((IntBuffer) dest).put((int) v);
+ } else {
+ throw new RuntimeException("Short doesn't match Buffer Class: " + dest);
+ }
+ }
+
+ public static void puti(Buffer dest, int v) {
+ if (dest instanceof IntBuffer) {
+ ((IntBuffer) dest).put(v);
+ } else {
+ throw new RuntimeException("Integer doesn't match Buffer Class: " + dest);
+ }
+ }
+
+ public static void putf(Buffer dest, float v) {
+ if (dest instanceof FloatBuffer) {
+ ((FloatBuffer) dest).put(v);
+/* TODO FixedPoint required
+ } else if (dest instanceof IntBuffer) {
+ ((IntBuffer) dest).put(FixedPoint.toFixed(v));
+*/
+ } else {
+ throw new RuntimeException("Float doesn't match Buffer Class: " + dest);
+ }
+ }
+ public static void putd(Buffer dest, double v) {
+ if (dest instanceof FloatBuffer) {
+ ((FloatBuffer) dest).put((float) v);
+ } else {
+ throw new RuntimeException("Double doesn't match Buffer Class: " + dest);
+ }
+ }
+
+ public static void rangeCheck(byte[] array, int offset, int minElementsRemaining) {
+ if (array == null) {
+ return;
+ }
+
+ if (array.length < offset + minElementsRemaining) {
+ throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset));
+ }
+ }
+
+ public static void rangeCheck(char[] array, int offset, int minElementsRemaining) {
+ if (array == null) {
+ return;
+ }
+
+ if (array.length < offset + minElementsRemaining) {
+ throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset));
+ }
+ }
+
+ public static void rangeCheck(short[] array, int offset, int minElementsRemaining) {
+ if (array == null) {
+ return;
+ }
+
+ if (array.length < offset + minElementsRemaining) {
+ throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset));
+ }
+ }
+
+ public static void rangeCheck(int[] array, int offset, int minElementsRemaining) {
+ if (array == null) {
+ return;
+ }
+
+ if (array.length < offset + minElementsRemaining) {
+ throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset));
+ }
+ }
+
+ public static void rangeCheck(long[] array, int offset, int minElementsRemaining) {
+ if (array == null) {
+ return;
+ }
+
+ if (array.length < offset + minElementsRemaining) {
+ throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset));
+ }
+ }
+
+ public static void rangeCheck(float[] array, int offset, int minElementsRemaining) {
+ if (array == null) {
+ return;
+ }
+
+ if (array.length < offset + minElementsRemaining) {
+ throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset));
+ }
+ }
+
+ public static void rangeCheck(double[] array, int offset, int minElementsRemaining) {
+ if (array == null) {
+ return;
+ }
+
+ if (array.length < offset + minElementsRemaining) {
+ throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset));
+ }
+ }
+
+ public static void rangeCheck(Buffer buffer, int minElementsRemaining) {
+ if (buffer == null) {
+ return;
+ }
+
+ if (buffer.remaining() < minElementsRemaining) {
+ throw new IndexOutOfBoundsException("Required " + minElementsRemaining + " remaining elements in buffer, only had " + buffer.remaining());
+ }
+ }
+
+ public static void rangeCheckBytes(Object buffer, int minBytesRemaining) {
+ if (buffer == null) {
+ return;
+ }
+
+ int bytesRemaining = 0;
+ if (buffer instanceof Buffer) {
+ int elementsRemaining = ((Buffer) buffer).remaining();
+ if (buffer instanceof ByteBuffer) {
+ bytesRemaining = elementsRemaining;
+ } else if (buffer instanceof FloatBuffer) {
+ bytesRemaining = elementsRemaining * SIZEOF_FLOAT;
+ } else if (buffer instanceof IntBuffer) {
+ bytesRemaining = elementsRemaining * SIZEOF_INT;
+ } else if (buffer instanceof ShortBuffer) {
+ bytesRemaining = elementsRemaining * SIZEOF_SHORT;
+ }else if(Platform.isJavaSE()) {
+ if (buffer instanceof DoubleBuffer) {
+ bytesRemaining = elementsRemaining * SIZEOF_DOUBLE;
+ } else if (buffer instanceof LongBuffer) {
+ bytesRemaining = elementsRemaining * SIZEOF_LONG;
+ } else if (buffer instanceof CharBuffer) {
+ bytesRemaining = elementsRemaining * SIZEOF_CHAR;
+ }
+ }
+ } else if (buffer instanceof PointerBuffer) {
+ PointerBuffer pointerBuffer = (PointerBuffer) buffer;
+ bytesRemaining = pointerBuffer.remaining() * PointerBuffer.elementSize();
+ }
+ if (bytesRemaining < minBytesRemaining) {
+ throw new IndexOutOfBoundsException("Required " + minBytesRemaining + " remaining bytes in buffer, only had " + bytesRemaining);
+ }
+ }
+
+}