hcm.ssj.core

Class Util

java.lang.Object

hcm.ssj.core.Util

public class Util
extends java.lang.Object

Created by Johnny on 26.03.2015.

Constructor Summary

Constructors

Constructor and Description
Util()

Method Summary

Modifier and Type	Method and Description
static void	arraycopy(java.lang.Object src, int srcPosBytes, java.lang.Object dst, int dstPosBytes, int numBytes) Copy an array from src to dst.
static float	calcSampleRate(Transformer t, Stream stream_in)
static void	castStreamPointerToFloat(Stream stream, float[] floats) Casts values from a stream array to a float array.
static java.io.File	createDirectory(java.lang.String path)
static java.lang.Object	deserialize(byte[] bytes)
static void	eventToXML(java.lang.StringBuilder builder, Event ev)
static void	fillZeroes(java.lang.Object arr, int posSamples, int numSamples) Fill array with zeroes
static java.net.InetAddress	getBroadcastAddress()
static java.lang.String	getIPAddress(boolean useIPv4) Get IP address from first non-localhost interface
static java.lang.String	getTimestamp(long time_ms)
static void	joinFFT(float[] in, float[] out) Helper function to format fft values similar to SSI
static double	max(double[] data, int offset, int len)
static float	max(float[] data, int offset, int len)
static int	maxIndex(float[] array) Returns index of element with the highest value in float array.
static double	mean(double[] data, int offset, int len)
static float	mean(float[] data, int offset, int len)
static double	median(double[] data, int offset, int len)
static float	median(float[] data, int offset, int len)
static double	min(double[] data, int offset, int len)
static float	min(float[] data, int offset, int len)
static java.lang.String	parseWildcards(java.lang.String value)
static byte[]	serialize(java.lang.Object obj)
static int	sizeOf(boolean x)
static int	sizeOf(byte x)
static int	sizeOf(char x)
static int	sizeOf(Cons.Type type)
static int	sizeOf(double x)
static int	sizeOf(float x)
static int	sizeOf(int x)
static int	sizeOf(long x)
static int	sizeOf(short x)
static java.lang.String	xmlToString(org.xmlpull.v1.XmlPullParser parser)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Util

public Util()

Method Detail

sizeOf

public static int sizeOf(Cons.Type type)

sizeOf

public static int sizeOf(byte x)

sizeOf

public static int sizeOf(char x)

sizeOf

public static int sizeOf(short x)

sizeOf

public static int sizeOf(int x)

sizeOf

public static int sizeOf(long x)

sizeOf

public static int sizeOf(float x)

sizeOf

public static int sizeOf(double x)

sizeOf

public static int sizeOf(boolean x)

max

public static double max(double[] data,
                         int offset,
                         int len)

max

public static float max(float[] data,
                        int offset,
                        int len)

min

public static double min(double[] data,
                         int offset,
                         int len)

min

public static float min(float[] data,
                        int offset,
                        int len)

mean

public static double mean(double[] data,
                          int offset,
                          int len)

mean

public static float mean(float[] data,
                         int offset,
                         int len)

median

public static double median(double[] data,
                            int offset,
                            int len)

median

public static float median(float[] data,
                           int offset,
                           int len)

arraycopy

public static void arraycopy(java.lang.Object src,
                             int srcPosBytes,
                             java.lang.Object dst,
                             int dstPosBytes,
                             int numBytes)

Copy an array from src to dst. Types do not need to match (currently only BYTE - ANY and ANY - BYTE is supported) ByteOrder: Little-Endian

Parameters:

src - source array

srcPosBytes - position in source array

dst - destination array

dstPosBytes - position in destination array

numBytes - number of bytes to copy

fillZeroes

public static void fillZeroes(java.lang.Object arr,
                              int posSamples,
                              int numSamples)

Fill array with zeroes

Parameters:

arr - source array

posSamples - position in samples of first element to be of bytes to copy

numSamples - number of zero samples to write

serialize

public static byte[] serialize(java.lang.Object obj)

deserialize

public static java.lang.Object deserialize(byte[] bytes)

xmlToString

public static java.lang.String xmlToString(org.xmlpull.v1.XmlPullParser parser)
                                    throws org.xmlpull.v1.XmlPullParserException,
                                           java.io.IOException

Throws:

org.xmlpull.v1.XmlPullParserException

java.io.IOException

calcSampleRate

public static float calcSampleRate(Transformer t,
                                   Stream stream_in)

getIPAddress

public static java.lang.String getIPAddress(boolean useIPv4)
                                     throws java.net.SocketException

Get IP address from first non-localhost interface

Parameters:

useIPv4 - true=return ipv4, false=return ipv6

Returns:

address or empty string

Throws:

java.net.SocketException

getBroadcastAddress

public static java.net.InetAddress getBroadcastAddress()
                                                throws java.io.IOException

Throws:

java.io.IOException

castStreamPointerToFloat

public static void castStreamPointerToFloat(Stream stream,
                                            float[] floats)

Casts values from a stream array to a float array.

Parameters:

stream - Stream

floats - float[]

getTimestamp

public static java.lang.String getTimestamp(long time_ms)

createDirectory

public static java.io.File createDirectory(java.lang.String path)

parseWildcards

public static java.lang.String parseWildcards(java.lang.String value)

eventToXML

public static void eventToXML(java.lang.StringBuilder builder,
                              Event ev)

joinFFT

public static void joinFFT(float[] in,
                           float[] out)

Helper function to format fft values similar to SSI

maxIndex

public static int maxIndex(float[] array)

Returns index of element with the highest value in float array.

Parameters:

array - Float array.

Returns:

Index of element with the highest value.