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java.lang.Objectnet.sourceforge.openstego.util.CommonUtil
public class CommonUtil
Common utilities for OpenStego
Method Summary | |
---|---|
static int |
byteToInt(int b)
Byte to Int converter |
static int |
ceilingHalf(int num)
Returns the ceiling of the half of the input value |
static int |
floorHalf(int num)
Returns the floor of the half of the input value |
static byte[] |
getFileBytes(java.io.File file)
Method to get byte array data from given file |
static byte[] |
getStreamBytes(java.io.InputStream is)
Method to get byte array data from given InputStream |
static double |
max(double x,
double y)
Get maximum of two given values |
static int |
max(int x,
int y)
Get maximum of two given values |
static double |
min(double x,
double y)
Get minimum of two given values |
static int |
min(int x,
int y)
Get minimum of two given values |
static int |
mod(int num,
int div)
Returns the modulus of the input value (taking care of the sign of the value) |
static java.util.List |
parseFileList(java.lang.String fileList,
java.lang.String delimiter)
Method to parse a delimiter separated list of files into arraylist of filenames. |
static void |
setEnabled(javax.swing.JTextField textField,
boolean enabled)
Method to enable/disable a Swing JTextField object |
static void |
writeFile(byte[] fileData,
java.io.File file)
Method to write file data to disk |
static void |
writeFile(byte[] fileData,
java.lang.String fileName)
Method to write file data to disk |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
---|
public static byte[] getStreamBytes(java.io.InputStream is) throws OpenStegoException
is
- InputStream to read
OpenStegoException
public static byte[] getFileBytes(java.io.File file) throws OpenStegoException
file
- File to read
OpenStegoException
public static void writeFile(byte[] fileData, java.lang.String fileName) throws OpenStegoException
fileData
- File datafileName
- File name (If this is null
, then data is written to stdout)
OpenStegoException
public static void writeFile(byte[] fileData, java.io.File file) throws OpenStegoException
fileData
- File datafile
- File object (If this is null
, then data is written to stdout)
OpenStegoException
public static void setEnabled(javax.swing.JTextField textField, boolean enabled)
textField
- Swing JTextField objectenabled
- Flag to indicate whether to enable or disable the objectpublic static java.util.List parseFileList(java.lang.String fileList, java.lang.String delimiter)
fileList
- Delimiter separated list of filenamesdelimiter
- Delimiter for tokenization
public static int byteToInt(int b)
b
- Input byte value
public static int floorHalf(int num)
num
- Input number
public static int ceilingHalf(int num)
num
- Input number
public static int mod(int num, int div)
num
- Input numberdiv
- Divisor for modulus
public static int max(int x, int y)
x
- Value 1y
- value 2
public static double max(double x, double y)
x
- Value 1y
- value 2
public static int min(int x, int y)
x
- Value 1y
- value 2
public static double min(double x, double y)
x
- Value 1y
- value 2
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