org.apache.commons.io
public class EndianUtils extends Object
Different computer architectures adopt different conventions for byte ordering. In so-called "Little Endian" architectures (eg Intel), the low-order byte is stored in memory at the lowest address, and subsequent bytes at higher addresses. For "Big Endian" architectures (eg Motorola), the situation is reversed. This class helps you solve this incompatability.
Origin of code: Excalibur
Version: $Id: EndianUtils.java 539632 2007-05-18 23:37:59Z bayard $
See Also: SwappedDataInputStream
Constructor Summary | |
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EndianUtils()
Instances should NOT be constructed in standard programming. |
Method Summary | |
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static int | read(InputStream input)
Reads the next byte from the input stream. |
static double | readSwappedDouble(byte[] data, int offset)
Reads a "double" value from a byte array at a given offset. |
static double | readSwappedDouble(InputStream input)
Reads a "double" value from an InputStream. |
static float | readSwappedFloat(byte[] data, int offset)
Reads a "float" value from a byte array at a given offset. |
static float | readSwappedFloat(InputStream input)
Reads a "float" value from an InputStream. |
static int | readSwappedInteger(byte[] data, int offset)
Reads a "int" value from a byte array at a given offset. |
static int | readSwappedInteger(InputStream input)
Reads a "int" value from an InputStream. |
static long | readSwappedLong(byte[] data, int offset)
Reads a "long" value from a byte array at a given offset. |
static long | readSwappedLong(InputStream input)
Reads a "long" value from an InputStream. |
static short | readSwappedShort(byte[] data, int offset)
Reads a "short" value from a byte array at a given offset. |
static short | readSwappedShort(InputStream input)
Reads a "short" value from an InputStream. |
static long | readSwappedUnsignedInteger(byte[] data, int offset)
Reads an unsigned integer (32-bit) value from a byte array at a given
offset. |
static long | readSwappedUnsignedInteger(InputStream input)
Reads a unsigned integer (32-bit) from an InputStream. |
static int | readSwappedUnsignedShort(byte[] data, int offset)
Reads an unsigned short (16-bit) value from a byte array at a given
offset. |
static int | readSwappedUnsignedShort(InputStream input)
Reads a unsigned short (16-bit) from an InputStream. |
static double | swapDouble(double value)
Converts a "double" value between endian systems. |
static float | swapFloat(float value)
Converts a "float" value between endian systems. |
static int | swapInteger(int value)
Converts a "int" value between endian systems. |
static long | swapLong(long value)
Converts a "long" value between endian systems. |
static short | swapShort(short value)
Converts a "short" value between endian systems. |
static void | writeSwappedDouble(byte[] data, int offset, double value)
Writes a "double" value to a byte array at a given offset. |
static void | writeSwappedDouble(OutputStream output, double value)
Writes a "double" value to an OutputStream. |
static void | writeSwappedFloat(byte[] data, int offset, float value)
Writes a "float" value to a byte array at a given offset. |
static void | writeSwappedFloat(OutputStream output, float value)
Writes a "float" value to an OutputStream. |
static void | writeSwappedInteger(byte[] data, int offset, int value)
Writes a "int" value to a byte array at a given offset. |
static void | writeSwappedInteger(OutputStream output, int value)
Writes a "int" value to an OutputStream. |
static void | writeSwappedLong(byte[] data, int offset, long value)
Writes a "long" value to a byte array at a given offset. |
static void | writeSwappedLong(OutputStream output, long value)
Writes a "long" value to an OutputStream. |
static void | writeSwappedShort(byte[] data, int offset, short value)
Writes a "short" value to a byte array at a given offset. |
static void | writeSwappedShort(OutputStream output, short value)
Writes a "short" value to an OutputStream. |
Parameters: input the stream
Returns: the byte
Throws: IOException if the end of file is reached
Parameters: data source byte array offset starting offset in the byte array
Returns: the value read
Parameters: input source InputStream
Returns: the value just read
Throws: IOException in case of an I/O problem
Parameters: data source byte array offset starting offset in the byte array
Returns: the value read
Parameters: input source InputStream
Returns: the value just read
Throws: IOException in case of an I/O problem
Parameters: data source byte array offset starting offset in the byte array
Returns: the value read
Parameters: input source InputStream
Returns: the value just read
Throws: IOException in case of an I/O problem
Parameters: data source byte array offset starting offset in the byte array
Returns: the value read
Parameters: input source InputStream
Returns: the value just read
Throws: IOException in case of an I/O problem
Parameters: data source byte array offset starting offset in the byte array
Returns: the value read
Parameters: input source InputStream
Returns: the value just read
Throws: IOException in case of an I/O problem
Parameters: data source byte array offset starting offset in the byte array
Returns: the value read
Parameters: input source InputStream
Returns: the value just read
Throws: IOException in case of an I/O problem
Parameters: data source byte array offset starting offset in the byte array
Returns: the value read
Parameters: input source InputStream
Returns: the value just read
Throws: IOException in case of an I/O problem
Parameters: value value to convert
Returns: the converted value
Parameters: value value to convert
Returns: the converted value
Parameters: value value to convert
Returns: the converted value
Parameters: value value to convert
Returns: the converted value
Parameters: value value to convert
Returns: the converted value
Parameters: data target byte array offset starting offset in the byte array value value to write
Parameters: output target OutputStream value value to write
Throws: IOException in case of an I/O problem
Parameters: data target byte array offset starting offset in the byte array value value to write
Parameters: output target OutputStream value value to write
Throws: IOException in case of an I/O problem
Parameters: data target byte array offset starting offset in the byte array value value to write
Parameters: output target OutputStream value value to write
Throws: IOException in case of an I/O problem
Parameters: data target byte array offset starting offset in the byte array value value to write
Parameters: output target OutputStream value value to write
Throws: IOException in case of an I/O problem
Parameters: data target byte array offset starting offset in the byte array value value to write
Parameters: output target OutputStream value value to write
Throws: IOException in case of an I/O problem