SerializationUtils (LIRE API)

java.lang.Object
- net.semanticmetadata.lire.utils.SerializationUtils

```
public class SerializationUtils
extends java.lang.Object
```
Utility class for serialization issues. Created by: Mathias Lux, mathias@juggle.at Date: 19.03.2010 Time: 14:58:26

构造器概要

构造器
构造器和说明

SerializationUtils()

构造器
构造器和说明
`SerializationUtils()`

方法概要

所有方法静态方法具体方法
限定符和类型	方法和说明
`static java.lang.String`	`arrayToString(int[] array)` Convenience method for creating a String from an array.
`static double[]`	`castToDoubleArray(byte[] data)` Convenience method for creating a double array from a byte array.
`static double[]`	`doubleArrayFromString(java.lang.String data)` Parses and returns a double array from a Sting with an arbitrary number of doubles.
`static java.util.List<double[]>`	`readCodeBook(java.io.InputStream in)` Reads a double array per line from a text file for the use of code books for local features.
`static byte[]`	`toByteArray(double[] data)` Convenience method for creating a byte array from a double array.
`static byte[]`	`toByteArray(float[] data)` Convenience method for creating a byte array from a float array.
`static byte[]`	`toByteArray(int[] data)` Convenience method to transform an int[] array to a byte array for serialization.
`static byte[]`	`toBytes(double data)` Converts a double to a byte array with 4 elements.
`static byte[]`	`toBytes(float data)` Converts a float to a byte array with 4 elements.
`static byte[]`	`toBytes(int data)` Converts an int to a byte array with 4 elements.
`static byte[]`	`toBytes(long data)` Converts a long to a byte[] array.
`static double`	`toDouble(byte[] data)` Converts a byte array with 4 elements to a double.
`static double[]`	`toDoubleArray(byte[] data)` Convenience method for creating a double array from a byte array.
`static double[]`	`toDoubleArray(byte[] data, int offset, int length)` Convenience method for creating a double array from a byte array.
`static double[]`	`toDoubleArray(float[] d)`
`static double[]`	`toDoubleArray(int[] ints)` Create a double[] from an int[] by patch contributed by Franz Graf, franz.graf@gmail.com
`static double[]`	`toDoubleArray(java.lang.String data)` Creates a double[] array from a String.
`static float`	`toFloat(byte[] data)` Converts a byte array with 4 elements to a float.
`static float[]`	`toFloatArray(byte[] data)` Convenience method for creating a float array from a byte array.
`static float[]`	`toFloatArray(byte[] in, int offset, int length)` Convenience method for creating a float array from a byte array.
`static java.lang.String`	`toHex(byte[] data)` Create a hex string from an array of bytes.
`static int`	`toInt(byte[] data)` Converts a byte array with 4 elements to an int.
`static int[]`	`toIntArray(byte[] data)` Convenience method to create an int[] array from a byte[] array.
`static int[]`	`toIntArray(byte[] in, int offset, int length)`
`static long`	`toLong(byte[] data)` Converts a byte[] array with size 8 to a long.
`static java.lang.String`	`toString(byte[] data)`
`static java.lang.String`	`toString(double[] data)` A simple string creation method.
`static void`	`writeCodeBook(java.io.OutputStream out, java.util.List<double[]> codeBook)`

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - SerializationUtils
```
public SerializationUtils()
```
- 方法详细资料
  - toInt
```
public static int toInt(byte[] data)
```
    Converts a byte array with 4 elements to an int. Used to put ints into a byte[] payload in a convenient and fast way by shifting without using streams (which is kind of slow).
    Taken from http://www.daniweb.com/code/snippet216874.html
    
    参数:
    
    data - the input byte array
    
    返回:
    
    the resulting int
    
    另请参阅:
    
    toBytes(int)
  - toBytes
```
public static byte[] toBytes(int data)
```
    Converts an int to a byte array with 4 elements. Used to put ints into a byte[] payload in a convenient and fast way by shifting without using streams (which is kind of slow).
    Taken from http://www.daniweb.com/code/snippet216874.html
    
    参数:
    
    data - the int to convert
    
    返回:
    
    the resulting byte[] array
    
    另请参阅:
    
    toInt(byte[])
  - toBytes
```
public static byte[] toBytes(long data)
```
    Converts a long to a byte[] array.
    Taken from http://www.daniweb.com/software-development/java/code/216874
    
    参数:
    
    data - the long to convert
    
    返回:
    
    the resulting byte[] array
    
    另请参阅:
    
    toLong(byte[])
  - toLong
```
public static long toLong(byte[] data)
```
    Converts a byte[] array with size 8 to a long.
    Taken from http://www.daniweb.com/software-development/java/code/216874
    
    参数:
    
    data - the byte[] array to convert
    
    返回:
    
    the resulting long.
    
    另请参阅:
    
    toBytes(long)
  - toByteArray
```
public static byte[] toByteArray(int[] data)
```
    Convenience method to transform an int[] array to a byte array for serialization.
    
    参数:
    
    data - the int[] to convert
    
    返回:
    
    the resulting byte[] 4 times in size (4 bytes per int)
  - toIntArray
```
public static int[] toIntArray(byte[] data)
```
    Convenience method to create an int[] array from a byte[] array.
    
    参数:
    
    data - the byte[] array to decode
    
    返回:
    
    the decoded int[]
  - toIntArray
```
public static int[] toIntArray(byte[] in,
                               int offset,
                               int length)
```
  - toBytes
```
public static byte[] toBytes(float data)
```
    Converts a float to a byte array with 4 elements. Used to put floats into a byte[] payload in a convenient and fast way by shifting without using streams (which is kind of slow). Use toFloat(byte[]) to decode.
    
    参数:
    
    data - the float to convert
    
    返回:
    
    the resulting byte array
    
    另请参阅:
    
    toFloat(byte[])
  - toFloat
```
public static float toFloat(byte[] data)
```
    Converts a byte array with 4 elements to a float. Used to put floats into a byte[] payload in a convenient and fast way by shifting without using streams (which is kind of slow). Use toBytes(float) to encode.
    
    参数:
    
    data - the input byte array
    
    返回:
    
    the resulting float
    
    另请参阅:
    
    toBytes(float)
  - toByteArray
```
public static byte[] toByteArray(float[] data)
```
    Convenience method for creating a byte array from a float array.
    
    参数:
    
    data - the input float array
    
    返回:
    
    a byte array for serialization.
  - toFloatArray
```
public static float[] toFloatArray(byte[] data)
```
    Convenience method for creating a float array from a byte array.
    
    参数:
    
    data -
    
    返回:
  - toFloatArray
```
public static float[] toFloatArray(byte[] in,
                                   int offset,
                                   int length)
```
    Convenience method for creating a float array from a byte array.
    
    参数:
    
    in -
    
    offset -
    
    length -
    
    返回:
  - toBytes
```
public static byte[] toBytes(double data)
```
    Converts a double to a byte array with 4 elements. Used to put doubles into a byte[] payload in a convenient and fast way by shifting without using streams (which is kind of slow). Use toDouble(byte[]) to decode. Note that there is a loss in precision as the double is converted to a float in the course of conversion.
    
    参数:
    
    data - the double to convert
    
    返回:
    
    the resulting byte array
    
    另请参阅:
    
    toDouble(byte[])
  - toDouble
```
public static double toDouble(byte[] data)
```
    Converts a byte array with 4 elements to a double. Used to put doubles into a byte[] payload in a convenient and fast way by shifting without using streams (which is kind of slow). Use toBytes(double) to encode. Note that there is a loss in precision as the double is converted to a float in the course of conversion.
    
    参数:
    
    data - the input byte array
    
    返回:
    
    the resulting float
    
    另请参阅:
    
    toBytes(double)
  - toByteArray
```
public static byte[] toByteArray(double[] data)
```
    Convenience method for creating a byte array from a double array.
    
    参数:
    
    data - the input float array
    
    返回:
    
    a byte array for serialization.
  - toDoubleArray
```
public static double[] toDoubleArray(byte[] data)
```
    Convenience method for creating a double array from a byte array.
    
    参数:
    
    data -
    
    返回:
  - castToDoubleArray
```
public static double[] castToDoubleArray(byte[] data)
```
    Convenience method for creating a double array from a byte array.
    
    参数:
    
    data -
    
    返回:
  - toDoubleArray
```
public static double[] toDoubleArray(byte[] data,
                                     int offset,
                                     int length)
```
    Convenience method for creating a double array from a byte array.
    
    参数:
    
    data -
    
    length -
    
    offset -
    
    返回:
  - arrayToString
```
public static java.lang.String arrayToString(int[] array)
```
    Convenience method for creating a String from an array.
    
    参数:
    
    array -
    
    返回:
  - doubleArrayFromString
```
public static double[] doubleArrayFromString(java.lang.String data)
```
    Parses and returns a double array from a Sting with an arbitrary number of doubles.
    
    参数:
    
    data -
    
    返回:
  - toDoubleArray
```
public static double[] toDoubleArray(float[] d)
```
  - toDoubleArray
```
public static double[] toDoubleArray(int[] ints)
```
    Create a double[] from an int[]
    by patch contributed by Franz Graf, franz.graf@gmail.com
    
    参数:
    
    ints - the int array
    
    返回:
    
    a new array of doubles
  - toDoubleArray
```
public static double[] toDoubleArray(java.lang.String data)
```
    Creates a double[] array from a String. It is assumed that the double array is encoded like using toString(double[])
    
    参数:
    
    data -
    
    返回:
  - toString
```
public static java.lang.String toString(double[] data)
```
    A simple string creation method. Can be parsed with toDoubleArray(String).
    
    参数:
    
    data -
    
    返回:
  - toString
```
public static java.lang.String toString(byte[] data)
```
  - toHex
```
public static java.lang.String toHex(byte[] data)
```
    Create a hex string from an array of bytes.
    
    参数:
    
    data -
    
    返回:
  - readCodeBook
```
public static java.util.List<double[]> readCodeBook(java.io.InputStream in)
```
    Reads a double array per line from a text file for the use of code books for local features.
    
    参数:
    
    in - the inputstream the code book is read from.
    
    返回:
  - writeCodeBook
```
public static void writeCodeBook(java.io.OutputStream out,
                                 java.util.List<double[]> codeBook)
                          throws java.io.IOException
```
    抛出:
    
    java.io.IOException

类 SerializationUtils

构造器概要

方法概要

从类继承的方法 java.lang.Object

构造器详细资料

SerializationUtils

方法详细资料

toInt

toBytes

toBytes

toLong

toByteArray

toIntArray

toIntArray

toBytes

toFloat

toByteArray

toFloatArray

toFloatArray

toBytes

toDouble

toByteArray

toDoubleArray

castToDoubleArray

toDoubleArray

arrayToString

doubleArrayFromString

toDoubleArray

toDoubleArray

toDoubleArray

toString

toString

toHex

readCodeBook

writeCodeBook