DataViewNativeEmul (Google Web Toolkit Javadoc)

java.lang.Object
- com.google.gwt.typedarrays.client.DataViewNativeEmul

All Implemented Interfaces:

ArrayBufferView, DataView
```
public class DataViewNativeEmul
extends java.lang.Object
implements DataView
```
JS native implementation of DataView for platforms with typed array support but missing DataView (ie, Firefox).

Field Summary

Fields
Modifier and Type	Field and Description
`protected ArrayBuffer`	`buffer`
`protected int`	`bufferByteOffset`
`protected int`	`byteLength`
`protected Uint8ArrayNative`	`tempBuffer` A temporary buffer used for reversing bytes.
`protected Uint8ArrayNative`	`uint8Array` A view of the underlying buffer as bytes.

Constructor Summary

Constructors
Modifier Constructor and Description

protected DataViewNativeEmul(ArrayBuffer buffer, int byteOffset, int byteLength)

Constructors
Modifier	Constructor and Description
`protected`	`DataViewNativeEmul(ArrayBuffer buffer, int byteOffset, int byteLength)`

Method Summary

Methods
Modifier and Type	Method and Description
`ArrayBuffer`	`buffer()` Get the underlying `ArrayBuffer`.
`int`	`byteLength()` Get the length of this view in bytes.
`int`	`byteOffset()` Get the offset from the beginning of the underlying `ArrayBuffer`.
`static DataView`	`create(ArrayBuffer buffer, int byteOffset, int byteLength)`
`float`	`getFloat32(int byteOffset)`
`float`	`getFloat32(int byteOffset, boolean littleEndian)`
`double`	`getFloat64(int byteOffset)`
`double`	`getFloat64(int byteOffset, boolean littleEndian)`
`short`	`getInt16(int byteOffset)`
`short`	`getInt16(int byteOffset, boolean littleEndian)`
`int`	`getInt32(int byteOffset)`
`int`	`getInt32(int byteOffset, boolean littleEndian)`
`byte`	`getInt8(int byteOffset)`
`int`	`getUint16(int byteOffset)`
`int`	`getUint16(int byteOffset, boolean littleEndian)`
`long`	`getUint32(int byteOffset)`
`long`	`getUint32(int byteOffset, boolean littleEndian)`
`double`	`getUint32AsDouble(int byteOffset)`
`double`	`getUint32AsDouble(int byteOffset, boolean littleEndian)`
`short`	`getUint8(int byteOffset)`
`protected void`	`reverseBytes(Uint8ArrayNative src, int srcOfs, int len, Uint8ArrayNative dest, int destOfs)` Copy bytes from the underlying buffer to a temporary buffer, reversing them in the process.
`void`	`setFloat32(int byteOffset, float value)`
`void`	`setFloat32(int byteOffset, float value, boolean littleEndian)`
`void`	`setFloat64(int byteOffset, double value)`
`void`	`setFloat64(int byteOffset, double value, boolean littleEndian)`
`void`	`setInt16(int byteOffset, int value)`
`void`	`setInt16(int byteOffset, int value, boolean littleEndian)`
`void`	`setInt32(int byteOffset, int value)`
`void`	`setInt32(int byteOffset, int value, boolean littleEndian)`
`void`	`setInt8(int byteOffset, int value)`
`void`	`setUint16(int byteOffset, int value)`
`void`	`setUint16(int byteOffset, int value, boolean littleEndian)`
`void`	`setUint32(int byteOffset, long value)`
`void`	`setUint32(int byteOffset, long value, boolean littleEndian)`
`void`	`setUint32FromDouble(int byteOffset, double value)`
`void`	`setUint32FromDouble(int byteOffset, double value, boolean littleEndian)`
`void`	`setUint8(int byteOffset, int value)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

buffer
```
protected final ArrayBuffer buffer
```

bufferByteOffset
```
protected final int bufferByteOffset
```

byteLength
```
protected final int byteLength
```

tempBuffer
```
protected final Uint8ArrayNative tempBuffer
```
A temporary buffer used for reversing bytes.

uint8Array
```
protected final Uint8ArrayNative uint8Array
```
A view of the underlying buffer as bytes.

Constructor Detail

DataViewNativeEmul

protected DataViewNativeEmul(ArrayBuffer buffer,
                  int byteOffset,
                  int byteLength)

Method Detail

create

public static DataView create(ArrayBuffer buffer,
              int byteOffset,
              int byteLength)

Parameters:: buffer -; byteOffset -; byteLength -
Returns:: a DataView instance

buffer
```
public ArrayBuffer buffer()
```
Description copied from interface: ArrayBufferView

Get the underlying ArrayBuffer.

Specified by:

buffer in interface ArrayBufferView

Returns:
the ArrayBuffer instance backing this view

byteLength
```
public int byteLength()
```
Description copied from interface: ArrayBufferView

Get the length of this view in bytes.

Specified by:

byteLength in interface ArrayBufferView

Returns:
number of bytes in this view

byteOffset
```
public int byteOffset()
```
Description copied from interface: ArrayBufferView

Get the offset from the beginning of the underlying ArrayBuffer.

Specified by:

byteOffset in interface ArrayBufferView

Returns:
0-based offset from the beginning of ArrayBufferView.buffer()

getFloat32
```
public float getFloat32(int byteOffset)
```
Specified by:

getFloat32 in interface DataView

getFloat32

public float getFloat32(int byteOffset,
               boolean littleEndian)

Specified by:: getFloat32 in interface DataView

getFloat64
```
public double getFloat64(int byteOffset)
```
Specified by:

getFloat64 in interface DataView

getFloat64

public double getFloat64(int byteOffset,
                boolean littleEndian)

Specified by:: getFloat64 in interface DataView

getInt16
```
public short getInt16(int byteOffset)
```
Specified by:

getInt16 in interface DataView

getInt16

public short getInt16(int byteOffset,
             boolean littleEndian)

Specified by:: getInt16 in interface DataView

getInt32
```
public int getInt32(int byteOffset)
```
Specified by:

getInt32 in interface DataView

getInt32

public int getInt32(int byteOffset,
           boolean littleEndian)

Specified by:: getInt32 in interface DataView

getInt8
```
public byte getInt8(int byteOffset)
```
Specified by:

getInt8 in interface DataView

getUint16
```
public int getUint16(int byteOffset)
```
Specified by:

getUint16 in interface DataView

getUint16

public int getUint16(int byteOffset,
            boolean littleEndian)

Specified by:: getUint16 in interface DataView

getUint32
```
public long getUint32(int byteOffset)
```
Specified by:

getUint32 in interface DataView

getUint32

public long getUint32(int byteOffset,
             boolean littleEndian)

Specified by:: getUint32 in interface DataView

getUint32AsDouble
```
public double getUint32AsDouble(int byteOffset)
```
Specified by:

getUint32AsDouble in interface DataView

Returns:
unsigned 32-bit int as a double

getUint32AsDouble
```
public double getUint32AsDouble(int byteOffset,
                       boolean littleEndian)
```
Specified by:

getUint32AsDouble in interface DataView

Returns:
unsigned 32-bit int as a double

getUint8
```
public short getUint8(int byteOffset)
```
Specified by:

getUint8 in interface DataView

setFloat32

public void setFloat32(int byteOffset,
              float value)

Specified by:: setFloat32 in interface DataView

setFloat32

public void setFloat32(int byteOffset,
              float value,
              boolean littleEndian)

Specified by:: setFloat32 in interface DataView

setFloat64

public void setFloat64(int byteOffset,
              double value)

Specified by:: setFloat64 in interface DataView

setFloat64

public void setFloat64(int byteOffset,
              double value,
              boolean littleEndian)

Specified by:: setFloat64 in interface DataView

setInt16

public void setInt16(int byteOffset,
            int value)

Specified by:: setInt16 in interface DataView

setInt16

public void setInt16(int byteOffset,
            int value,
            boolean littleEndian)

Specified by:: setInt16 in interface DataView

setInt32

public void setInt32(int byteOffset,
            int value)

Specified by:: setInt32 in interface DataView

setInt32

public void setInt32(int byteOffset,
            int value,
            boolean littleEndian)

Specified by:: setInt32 in interface DataView

setInt8

public void setInt8(int byteOffset,
           int value)

Specified by:: setInt8 in interface DataView

setUint16

public void setUint16(int byteOffset,
             int value)

Specified by:: setUint16 in interface DataView

setUint16

public void setUint16(int byteOffset,
             int value,
             boolean littleEndian)

Specified by:: setUint16 in interface DataView

setUint32

public void setUint32(int byteOffset,
             long value)

Specified by:: setUint32 in interface DataView

setUint32

public void setUint32(int byteOffset,
             long value,
             boolean littleEndian)

Specified by:: setUint32 in interface DataView

setUint32FromDouble

public void setUint32FromDouble(int byteOffset,
                       double value)

Specified by:: setUint32FromDouble in interface DataView

setUint32FromDouble

public void setUint32FromDouble(int byteOffset,
                       double value,
                       boolean littleEndian)

Specified by:: setUint32FromDouble in interface DataView

setUint8

public void setUint8(int byteOffset,
            int value)

Specified by:: setUint8 in interface DataView

reverseBytes

protected final void reverseBytes(Uint8ArrayNative src,
                int srcOfs,
                int len,
                Uint8ArrayNative dest,
                int destOfs)

Copy bytes from the underlying buffer to a temporary buffer, reversing them in the process.

Parameters:: src -; srcOfs - offset into buffer; len - number of bytes to copy; dest -; destOfs -

Class DataViewNativeEmul

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

buffer

bufferByteOffset

byteLength

tempBuffer

uint8Array

Constructor Detail

DataViewNativeEmul

Method Detail

create

buffer

byteLength

byteOffset

getFloat32

getFloat32

getFloat64

getFloat64

getInt16

getInt16

getInt32

getInt32

getInt8

getUint16

getUint16

getUint32

getUint32

getUint32AsDouble

getUint32AsDouble

getUint8

setFloat32

setFloat32

setFloat64

setFloat64

setInt16

setInt16

setInt32

setInt32

setInt8

setUint16

setUint16

setUint32

setUint32

setUint32FromDouble

setUint32FromDouble

setUint8

reverseBytes