EndianUtils (Apache Tika 1.4 API)

java.lang.Object
- org.apache.tika.io.EndianUtils

```
public class EndianUtils
extends Object
```
General Endian Related Utilties.
This class provides static utility methods for input/output operations on numbers in Big and Little Endian formats.
Origin of code: Based on the version in POI

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

static class EndianUtils.BufferUnderrunException

Nested Classes
Modifier and Type	Class and Description
`static class`	`EndianUtils.BufferUnderrunException`

Constructor Summary

Constructors
Constructor and Description

EndianUtils()

Constructors
Constructor and Description
`EndianUtils()`

Method Summary

Methods
Modifier and Type	Method and Description
`static int`	`getIntBE(byte[] data)` Get a BE int value from the beginning of a byte array
`static int`	`getIntBE(byte[] data, int offset)` Get a BE int value from a byte array
`static int`	`getIntLE(byte[] data)` Get a LE int value from the beginning of a byte array
`static int`	`getIntLE(byte[] data, int offset)` Get a LE int value from a byte array
`static long`	`getLongLE(byte[] data, int offset)` Get a LE long value from a byte array
`static short`	`getShortBE(byte[] data)` Get a BE short value from the beginning of a byte array
`static short`	`getShortBE(byte[] data, int offset)` Get a BE short value from a byte array
`static short`	`getShortLE(byte[] data)` Get a LE short value from the beginning of a byte array
`static short`	`getShortLE(byte[] data, int offset)` Get a LE short value from a byte array
`static short`	`getUByte(byte[] data, int offset)` get the unsigned value of a byte.
`static long`	`getUIntBE(byte[] data)` Get a BE unsigned int value from a byte array
`static long`	`getUIntBE(byte[] data, int offset)` Get a BE unsigned int value from a byte array
`static long`	`getUIntLE(byte[] data)` Get a LE unsigned int value from a byte array
`static long`	`getUIntLE(byte[] data, int offset)` Get a LE unsigned int value from a byte array
`static int`	`getUShortBE(byte[] data)` Get a BE unsigned short value from the beginning of a byte array
`static int`	`getUShortBE(byte[] data, int offset)` Get a BE unsigned short value from a byte array
`static int`	`getUShortLE(byte[] data)` Get a LE unsigned short value from the beginning of a byte array
`static int`	`getUShortLE(byte[] data, int offset)` Get a LE unsigned short value from a byte array
`static int`	`readIntBE(InputStream stream)` Get a BE int value from an InputStream
`static int`	`readIntLE(InputStream stream)` Get a LE int value from an InputStream
`static long`	`readLongBE(InputStream stream)` Get a NE long value from an InputStream
`static long`	`readLongLE(InputStream stream)` Get a LE long value from an InputStream
`static short`	`readShortBE(InputStream stream)` Get a BE short value from an InputStream
`static short`	`readShortLE(InputStream stream)` Get a LE short value from an InputStream
`static int`	`readUShortBE(InputStream stream)`
`static int`	`readUShortLE(InputStream stream)`
`static int`	`ubyteToInt(byte b)` Convert an 'unsigned' byte to an integer.

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

- Constructor Detail
  - EndianUtils
```
public EndianUtils()
```
- Method Detail
  - readShortLE
```
public static short readShortLE(InputStream stream)
                         throws IOException,
                                EndianUtils.BufferUnderrunException
```
    Get a LE short value from an InputStream
    
    Parameters:
    stream - the InputStream from which the short is to be read
    
    Returns:
    the short (16-bit) value
    
    Throws:
    
    IOException - will be propagated back to the caller
    
    EndianUtils.BufferUnderrunException - if the stream cannot provide enough bytes
  - readShortBE
```
public static short readShortBE(InputStream stream)
                         throws IOException,
                                EndianUtils.BufferUnderrunException
```
    Get a BE short value from an InputStream
    
    Parameters:
    stream - the InputStream from which the short is to be read
    
    Returns:
    the short (16-bit) value
    
    Throws:
    
    IOException - will be propagated back to the caller
    
    EndianUtils.BufferUnderrunException - if the stream cannot provide enough bytes
  - readUShortLE
```
public static int readUShortLE(InputStream stream)
                        throws IOException,
                               EndianUtils.BufferUnderrunException
```
    Throws:
    
    IOException
    
    EndianUtils.BufferUnderrunException
  - readUShortBE
```
public static int readUShortBE(InputStream stream)
                        throws IOException,
                               EndianUtils.BufferUnderrunException
```
    Throws:
    
    IOException
    
    EndianUtils.BufferUnderrunException
  - readIntLE
```
public static int readIntLE(InputStream stream)
                     throws IOException,
                            EndianUtils.BufferUnderrunException
```
    Get a LE int value from an InputStream
    
    Parameters:
    stream - the InputStream from which the int is to be read
    
    Returns:
    the int (32-bit) value
    
    Throws:
    
    IOException - will be propagated back to the caller
    
    EndianUtils.BufferUnderrunException - if the stream cannot provide enough bytes
  - readIntBE
```
public static int readIntBE(InputStream stream)
                     throws IOException,
                            EndianUtils.BufferUnderrunException
```
    Get a BE int value from an InputStream
    
    Parameters:
    stream - the InputStream from which the int is to be read
    
    Returns:
    the int (32-bit) value
    
    Throws:
    
    IOException - will be propagated back to the caller
    
    EndianUtils.BufferUnderrunException - if the stream cannot provide enough bytes
  - readLongLE
```
public static long readLongLE(InputStream stream)
                       throws IOException,
                              EndianUtils.BufferUnderrunException
```
    Get a LE long value from an InputStream
    
    Parameters:
    stream - the InputStream from which the long is to be read
    
    Returns:
    the long (64-bit) value
    
    Throws:
    
    IOException - will be propagated back to the caller
    
    EndianUtils.BufferUnderrunException - if the stream cannot provide enough bytes
  - readLongBE
```
public static long readLongBE(InputStream stream)
                       throws IOException,
                              EndianUtils.BufferUnderrunException
```
    Get a NE long value from an InputStream
    
    Parameters:
    stream - the InputStream from which the long is to be read
    
    Returns:
    the long (64-bit) value
    
    Throws:
    
    IOException - will be propagated back to the caller
    
    EndianUtils.BufferUnderrunException - if the stream cannot provide enough bytes
  - getShortLE
```
public static short getShortLE(byte[] data)
```
    Get a LE short value from the beginning of a byte array
    
    Parameters:
    data - the byte array
    
    Returns:
    the short (16-bit) value
  - getShortLE
```
public static short getShortLE(byte[] data,
               int offset)
```
    Get a LE short value from a byte array
    
    Parameters:
    data - the byte array
    offset - a starting offset into the byte array
    
    Returns:
    the short (16-bit) value
  - getUShortLE
```
public static int getUShortLE(byte[] data)
```
    Get a LE unsigned short value from the beginning of a byte array
    
    Parameters:
    data - the byte array
    
    Returns:
    the unsigned short (16-bit) value in an int
  - getUShortLE
```
public static int getUShortLE(byte[] data,
              int offset)
```
    Get a LE unsigned short value from a byte array
    
    Parameters:
    data - the byte array
    offset - a starting offset into the byte array
    
    Returns:
    the unsigned short (16-bit) value in an integer
  - getShortBE
```
public static short getShortBE(byte[] data)
```
    Get a BE short value from the beginning of a byte array
    
    Parameters:
    data - the byte array
    
    Returns:
    the short (16-bit) value
  - getShortBE
```
public static short getShortBE(byte[] data,
               int offset)
```
    Get a BE short value from a byte array
    
    Parameters:
    data - the byte array
    offset - a starting offset into the byte array
    
    Returns:
    the short (16-bit) value
  - getUShortBE
```
public static int getUShortBE(byte[] data)
```
    Get a BE unsigned short value from the beginning of a byte array
    
    Parameters:
    data - the byte array
    
    Returns:
    the unsigned short (16-bit) value in an int
  - getUShortBE
```
public static int getUShortBE(byte[] data,
              int offset)
```
    Get a BE unsigned short value from a byte array
    
    Parameters:
    data - the byte array
    offset - a starting offset into the byte array
    
    Returns:
    the unsigned short (16-bit) value in an integer
  - getIntLE
```
public static int getIntLE(byte[] data)
```
    Get a LE int value from the beginning of a byte array
    
    Parameters:
    data - the byte array
    
    Returns:
    the int (32-bit) value
  - getIntLE
```
public static int getIntLE(byte[] data,
           int offset)
```
    Get a LE int value from a byte array
    
    Parameters:
    data - the byte array
    offset - a starting offset into the byte array
    
    Returns:
    the int (32-bit) value
  - getIntBE
```
public static int getIntBE(byte[] data)
```
    Get a BE int value from the beginning of a byte array
    
    Parameters:
    data - the byte array
    
    Returns:
    the int (32-bit) value
  - getIntBE
```
public static int getIntBE(byte[] data,
           int offset)
```
    Get a BE int value from a byte array
    
    Parameters:
    data - the byte array
    offset - a starting offset into the byte array
    
    Returns:
    the int (32-bit) value
  - getUIntLE
```
public static long getUIntLE(byte[] data)
```
    Get a LE unsigned int value from a byte array
    
    Parameters:
    data - the byte array
    
    Returns:
    the unsigned int (32-bit) value in a long
  - getUIntLE
```
public static long getUIntLE(byte[] data,
             int offset)
```
    Get a LE unsigned int value from a byte array
    
    Parameters:
    data - the byte array
    offset - a starting offset into the byte array
    
    Returns:
    the unsigned int (32-bit) value in a long
  - getUIntBE
```
public static long getUIntBE(byte[] data)
```
    Get a BE unsigned int value from a byte array
    
    Parameters:
    data - the byte array
    
    Returns:
    the unsigned int (32-bit) value in a long
  - getUIntBE
```
public static long getUIntBE(byte[] data,
             int offset)
```
    Get a BE unsigned int value from a byte array
    
    Parameters:
    data - the byte array
    offset - a starting offset into the byte array
    
    Returns:
    the unsigned int (32-bit) value in a long
  - getLongLE
```
public static long getLongLE(byte[] data,
             int offset)
```
    Get a LE long value from a byte array
    
    Parameters:
    data - the byte array
    offset - a starting offset into the byte array
    
    Returns:
    the long (64-bit) value
  - ubyteToInt
```
public static int ubyteToInt(byte b)
```
    Convert an 'unsigned' byte to an integer. ie, don't carry across the sign.
    
    Parameters:
    b - Description of the Parameter
    
    Returns:
    Description of the Return Value
  - getUByte
```
public static short getUByte(byte[] data,
             int offset)
```
    get the unsigned value of a byte.
    
    Parameters:
    data - the byte array.
    offset - a starting offset into the byte array.
    
    Returns:
    the unsigned value of the byte as a 16 bit short

Class EndianUtils

Nested Class Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

EndianUtils

Method Detail

readShortLE

readShortBE

readUShortLE

readUShortBE

readIntLE

readIntBE

readLongLE

readLongBE

getShortLE

getShortLE

getUShortLE

getUShortLE

getShortBE

getShortBE

getUShortBE

getUShortBE

getIntLE

getIntLE

getIntBE

getIntBE

getUIntLE

getUIntLE

getUIntBE

getUIntBE

getLongLE

ubyteToInt

getUByte