Package com.jk.core.util

Class JK

java.lang.Object
com.jk.core.util.JK
public class JK extends Object
This class provides various utility methods for common operations in Java applications.

It offers functionalities related to logging, configuration, resource handling, debugging, and more.

Version:
1.0
Author:
Dr. Jalal H. Kiswani

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final String
    CSV_SEPARATOR
    Represents a separator used to separate values in CSV files.
    static JKLocale
    DEFAULT_LOCALE
    Represents the default locale used for various operations in the application.
    static final String
    FIELD_SEPARATOR
    Represents a separator used to separate fields in output.
    static final String
    FILE_SEPRATOR
    Represents a separator used in file paths for the current framework.
    static final String
    NEW_LINE
    Represents the line separator.

  • Constructor Summary

    Constructors
    Constructor
    Description
    JK()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static void
    addToSystemConfig(String generalSystemPropertiesPrefix, JKConfig prop)
    This method adds properties from the provided JKConfig instance to the system properties, with the given prefix.
    static void
    addToSystemConfig(String prefix, Properties prop)
    This method adds the key-value pairs from the provided Properties object to the system properties with the specified prefix added to the keys.
    static String
    buildToString(Object... params)
    This method returns a formatted string that concatenates the provided parameters.
    static boolean
    c(String f, String t)
    ...
    static void
    checkMe()
    This method marks a section of code that needs review or checking.
    static void
    close()
    This method shuts down the executor service used for running asynchronous tasks.
    static void
    close(InputStream in)
    This method closes the provided input stream.
    static String
    concat(Object... params)
    This method concatenates the string representations of the provided objects into a single string.
    static String
    csv(String... msgs)
    This method combines the provided strings into a single comma-separated value (CSV) string.
    static void
    debug()
    This method activates the debug mode for the application.
    static void
    debug(String format, Object... values)
    This method logs a formatted message with the provided format and values using the logger at the DEBUG level.
    static boolean
    e(String f)
    ...
    static void
    error(String format, Object... params)
    This method logs an error message and throws an IllegalStateException.
    static RuntimeException
    ex(String message)
    This method creates and throws a JKException with the provided message.
    static RuntimeException
    exception(String message)
    This method creates and throws a JKException with the provided message.
    static boolean
    exists(String fileName)
    This method checks whether a file with the specified name exists.
    static <T> T
    first(List<T> list)
    This method returns the first element from the given list.
    static void
    fixMe()
    This method marks a section of code that needs attention or fixing.
    static void
    fixMe(String msg)
    This method marks a section of code that needs attention or fixing, with a custom message.
    static String
    get()
    This method gets the version of the application.
    static String
    getAppName()
    This method retrieves the name of the application.
    static String
    getBuildTime()
    This method gets the build time of the application.
    static Class<?>
    getClass(String className)
    This method returns the Class object for the given class name using the current thread's context class loader.
    static InputStream
    getInputStream(String fileName)
    This method retrieves an input stream for the specified file name.
    static String
    getLoadTime()
    This method gets the time stamp of class load time.
    static HashMap<Integer,Object>
    getMessagesCache()
    This method retrieves the cache containing hash codes of messages that have been printed using printOnce(Object).
    static String
    getProperty(String name)
    This method gets the value of the system property associated with the specified name.
    static String
    getProperty(String name, String defaultValue)
    This method gets the value of the system property associated with the specified name.
    static Reader
    getReader(String fileName)
    This method retrieves a reader for the specified file.
    protected static Scanner
    getScanner()
    This method retrieves a scanner for reading input from the console.
    static int
    getSize(Collection c)
    This method gets the size of the provided collection.
    static URL
    getURL(String path)
    This method retrieves a URL object for the specified path.
    static Class<?>
    getWrapperForPrimitive(Class<?> clas)
    This method returns the wrapper class for a given primitive class.
    static void
    handle(Throwable t)
    This method handles the provided Throwable by logging the exception details and passing it to the exception handling mechanism.
    static void
    implementMe()
    This method throws an IllegalStateException with a default message indicating that the method is not implemented yet.
    static void
    implementMe(String msg)
    This method throws an IllegalStateException with the specified message, indicating that the method is not implemented yet.
    static void
    init()
    This method initializes the JK framework.
    protected static void
    initInfo()
    This method is responsible for initializing information related to build time and load time of the JK framework.
    static boolean
    isDebugMode()
    This method checks whether the application is in debug mode.
    static boolean
    isInitizlied()
    This method checks whether the JK Framework been initialized or not.
    static boolean
    isMultiTenantApp()
    This method checks whether the application is configured as a multi-tenant application.
    static boolean
    isPrimitive(Class<?> type)
    This method checks whether the provided class is a primitive type.
    static boolean
    isTestContext()
    This method checks if the application is currently in test context.
    static void
    line()
    This method prints a separator line consisting of dashes to the console.
    static void
    log(String format, Object... values)
    This method logs a formatted message with the provided format and values using the logger at the INFO level.
    static void
    main(String[] args)
    This main method prints the application name to the console.
    static <T> T
    newInstance(Class<T> class1)
    This method creates a new instance of the specified class using its no-argument constructor.
    static <T> T
    newInstance(String className)
    This method creates a new instance of the specified class using its name.
    static <T> List<T>
    newInstances(Class<T> clas, int count)
    This method creates and returns a list of new instances of a specified class.
    static void
    notNeededAnyMore()
    This method throws an IllegalStateException with a message indicating that the method is not needed anymore.
    static void
    notNull(Object object)
    This method checks whether the given object is not null.
    static void
    print(Object... params)
    This method prints multiple objects to the standard output.
    static void
    print(String name, List<?> list)
    This method prints the elements of a list along with a specified name.
    static void
    print(String name, Map<?,?> map)
    This method prints the key-value pairs of a map along with a specified name.
    static void
    print(List list)
    This method prints the elements of a list.
    static void
    print(List finalList, String prefix)
    This method prints the elements of a nested list with a specified prefix.
    static void
    print(Map prop)
    This method prints the key-value pairs from a map in a formatted manner.
    static void
    printBlock(Object... params)
    This method prints a block of text with a separator line above and below it.
    static void
    printOnce(Object msg)
    This method prints a message only once, preventing duplicate printouts of the same message.
    static void
    printStackTrace()
    This method prints the stack trace of the current exception to the standard error stream.
    static int
    randomNumber()
    This method generates a random integer within the range of 0 (inclusive) to Integer.MAX_VALUE (exclusive).
    static int
    randomNumber(int min, int max)
    This method generates a random integer within the specified range.
    static char[]
    readPassword(String msg)
    This method reads a password input from the console.
    static String
    readString(String msg)
    This method reads a line of input from the console or scanner and returns it as a string.
    static void
    restart()
    This method is yet To Be Implemented (TBI).
    static void
    runAsync(Runnable runnable)
    This method executes the provided Runnable in a separate asynchronous thread.
    static void
    setAppName(String appName)
    This method sets the application name.
    static void
    setDebugMode(boolean debugMode)
    This method sets the debug mode for the application.
    static void
    setDefaultLocale(JKLocale locale)
    This method sets the default locale to the provided locale.
    static void
    setMultiTenantApp(boolean multiTenantApp)
    This method sets the application's multi-tenant configuration.
    static void
    setTestContext()
    This method sets the application to be in test context.
    static void
    sleep(int millis)
    This method cause the current thread to sleep for the specified number of milliseconds.
    static void
    testMe()
    This method marks a section of code that needs testing or verification.
    static void
    testMe(String message)
    This method marks a section of code that needs testing or verification, with a custom message.
    static RuntimeException
    throww(Throwable t)
    This method throws a runtime exception while handling a throwable.
    static void
    throww(Throwable e, String msg)
    This method throws a runtime exception with a provided message and the given throwable as the cause.
    static int
    toInt(Object obj)
    This method converts an Object to an integer value.
    static <T> List<T>
    toList(T... objects)
    This method converts a variable number of objects into a list.
    static Map<String,Object>
    toMap(Object... list)
    This method converts an array of objects into a map, assuming that the array contains pairs of key-value entries.
    static Map
    toMap(Object[] keys, Object[] values)
    This method creates a map by pairing keys and values from arrays.
    static Set<?>
    toSet(Object... obj)
    This method converts an array of objects into a set.
    static Class<?>
    type(String clasName)
    This method returns the Class object for the given class name.
    static void
    v(String f, String p)
    ...

    Methods inherited from class java.lang.Object

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

  • Field Details

    • NEW_LINE

      public static final String NEW_LINE
      Represents the line separator.

    • FIELD_SEPARATOR

      public static final String FIELD_SEPARATOR
      Represents a separator used to separate fields in output.
      See Also:

    • CSV_SEPARATOR

      public static final String CSV_SEPARATOR
      Represents a separator used to separate values in CSV files.
      See Also:

    • FILE_SEPRATOR

      public static final String FILE_SEPRATOR
      Represents a separator used in file paths for the current framework.

    • DEFAULT_LOCALE

      public static JKLocale DEFAULT_LOCALE
      Represents the default locale used for various operations in the application.

  • Constructor Details

    • JK

      public JK()

  • Method Details

    • debug

      public static void debug()
      This method activates the debug mode for the application.

    • error

      public static void error(String format, Object... params)
      This method logs an error message and throws an IllegalStateException.
      Parameters:
      format - Specifies the error message format.
      params - Specifies the parameters to format the message.

    • print

      public static void print(Object... params)
      This method prints multiple objects to the standard output.
      Parameters:
      params - Specifies the objects to print.

    • print

      public static void print(Map prop)
      This method prints the key-value pairs from a map in a formatted manner.
      Parameters:
      prop - Specifies the map containing key-value pairs to be printed.

    • print

      public static void print(String name, List<?> list)
      This method prints the elements of a list along with a specified name.
      Parameters:
      name - Specifies the name associated with the list.
      list - Specifies the list of objects to be printed.

    • print

      public static void print(String name, Map<?,?> map)
      This method prints the key-value pairs of a map along with a specified name.
      Parameters:
      name - Specifies the name associated with the map.
      map - Specifies the map containing key-value pairs to be printed.

    • print

      public static void print(List list)
      This method prints the elements of a list.
      Parameters:
      list - Specifies the list of objects to be printed.

    • print

      public static void print(List finalList, String prefix)
      This method prints the elements of a nested list with a specified prefix.
      Parameters:
      finalList - Specifies the list containing nested lists to be printed.
      prefix - Specifies the prefix to be added before each element in the nested list.

    • buildToString

      public static String buildToString(Object... params)
      This method returns a formatted string that concatenates the provided parameters.
      Parameters:
      params - Specifies the objects to concatenate.
      Returns:
      a string containing the concatenation of the provided parameters.

    • concat

      public static String concat(Object... params)
      This method concatenates the string representations of the provided objects into a single string.
      Parameters:
      params - Specifies the objects to be concatenated.
      Returns:
      a concatenated string representation of the objects.

    • handle

      public static void handle(Throwable t)
      This method handles the provided Throwable by logging the exception details and passing it to the exception handling mechanism.

      If in debug mode, the stack trace of the exception is also printed.

      Parameters:
      t - Specifies the Throwable to be handled.

    • line

      public static void line()
      This method prints a separator line consisting of dashes to the console.

    • printBlock

      public static void printBlock(Object... params)
      This method prints a block of text with a separator line above and below it.
      Parameters:
      params - Specifies the objects to be printed in the block.

    • throww

      public static RuntimeException throww(Throwable t)
      This method throws a runtime exception while handling a throwable.
      Parameters:
      t - Specifies the throwable to be wrapped in a runtime exception.
      Returns:
      an instance of RuntimeException.

    • toMap

      public static Map toMap(Object[] keys, Object[] values)
      This method creates a map by pairing keys and values from arrays.
      Parameters:
      keys - Specifies an array containing keys to be used in the map.
      values - Specifies an array containing values to be associated with the keys.
      Returns:
      a map containing key-value pairs derived from the input arrays.

    • main

      public static void main(String[] args)
      This main method prints the application name to the console.
      Parameters:
      args - the command-line arguments.

    • randomNumber

      public static int randomNumber()
      This method generates a random integer within the range of 0 (inclusive) to Integer.MAX_VALUE (exclusive).
      Returns:
      a random integer.

    • randomNumber

      public static int randomNumber(int min, int max)
      This method generates a random integer within the specified range.
      Parameters:
      min - Specifies the minimum value (inclusive) of the range.
      max - Specifies the maximum value (exclusive) of the range.
      Returns:
      a random integer within the specified range.

    • getInputStream

      public static InputStream getInputStream(String fileName)
      This method retrieves an input stream for the specified file name.
      Parameters:
      fileName - Specifies the name of the file for which to obtain an input stream.
      Returns:
      the input stream for the specified file.

    • newInstance

      public static <T> T newInstance(String className)
      This method creates a new instance of the specified class using its name.
      Type Parameters:
      T - Specifies the type of the class to instantiate.
      Parameters:
      className - Specifies the fully qualified name of the class to instantiate.
      Returns:
      the new instance of the specified class.

    • setDefaultLocale

      public static void setDefaultLocale(JKLocale locale)
      This method sets the default locale to the provided locale.
      Parameters:
      locale - Specifies the new default locale.

    • restart

      public static void restart()
      This method is yet To Be Implemented (TBI).

      The behavior, parameters, return value, and exceptions are subject to change in future implementations.

    • exception

      public static RuntimeException exception(String message)
      This method creates and throws a JKException with the provided message.
      Parameters:
      message - Specifies the exception message.
      Returns:
      this method always throws an exception, so it is unreachable

    • ex

      public static RuntimeException ex(String message)
      This method creates and throws a JKException with the provided message.
      Parameters:
      message - Specifies the exception message.
      Returns:
      this method always throws an exception, so it is unreachable

    • implementMe

      public static void implementMe()
      This method throws an IllegalStateException with a default message indicating that the method is not implemented yet.

      This method is used to mark functionality that should be implemented in the future.

    • notNeededAnyMore

      public static void notNeededAnyMore()
      This method throws an IllegalStateException with a message indicating that the method is not needed anymore.

      This method is used to mark functionality that was previously used but is no longer required.

    • printStackTrace

      public static void printStackTrace()
      This method prints the stack trace of the current exception to the standard error stream.

      This method is used to print the stack trace of the current exception to aid in debugging.

    • notNull

      public static void notNull(Object object)
      This method checks whether the given object is not null.

      If the object is null, it throws an IllegalStateException with the message "This object cannot be null".

      Parameters:
      object - Specifies the object to be checked for null.

    • isDebugMode

      public static boolean isDebugMode()
      This method checks whether the application is in debug mode.

      This is determined by the debugMode flag or whether the logger is in debug level.

      Returns:
      true, if the application is in debug mode, false otherwise.

    • log

      public static void log(String format, Object... values)
      This method logs a formatted message with the provided format and values using the logger at the INFO level.
      Parameters:
      format - Specifies the format string for the log message.
      values - Specifies the values to be formatted into the message.

    • debug

      public static void debug(String format, Object... values)
      This method logs a formatted message with the provided format and values using the logger at the DEBUG level.
      Parameters:
      format - Specifies the format string for the log message.
      values - Specifies the values to be formatted into the message.

    • csv

      public static String csv(String... msgs)
      This method combines the provided strings into a single comma-separated value (CSV) string.
      Parameters:
      msgs - Specifies the strings to be combined.
      Returns:
      the CSV string containing the provided strings separated by commas.

    • addToSystemConfig

      public static void addToSystemConfig(String prefix, Properties prop)
      This method adds the key-value pairs from the provided Properties object to the system properties with the specified prefix added to the keys.
      Parameters:
      prefix - Specifies the prefix to be added to the keys when adding them to the system properties.
      prop - Specifies the Properties object containing the key-value pairs to be added.

    • readString

      public static String readString(String msg)
      This method reads a line of input from the console or scanner and returns it as a string.
      Parameters:
      msg - Specifies the message to be displayed as a prompt to the user.
      Returns:
      the user's input as a string.

    • getScanner

      protected static Scanner getScanner()
      This method retrieves a scanner for reading input from the console.
      Returns:
      a scanner instance for reading input from the console.

    • readPassword

      public static char[] readPassword(String msg)
      This method reads a password input from the console.
      Parameters:
      msg - Specifies the message to display before input.
      Returns:
      a character array representing the entered password.

    • printOnce

      public static void printOnce(Object msg)
      This method prints a message only once, preventing duplicate printouts of the same message.
      Parameters:
      msg - Specifies the message to print.

    • getMessagesCache

      public static HashMap<Integer,Object> getMessagesCache()
      This method retrieves the cache containing hash codes of messages that have been printed using printOnce(Object).
      Returns:
      the cache containing hash codes of printed messages.
      See Also:

    • fixMe

      public static void fixMe()
      This method marks a section of code that needs attention or fixing.

      This method is used to indicate areas of code that require further development or correction..

    • fixMe

      public static void fixMe(String msg)
      This method marks a section of code that needs attention or fixing, with a custom message.

      This method is used to indicate areas of code that require further development or correction, along with providing a custom message for additional context.

      Parameters:
      msg - Specifies the custom message describing the issue that needs attention or fixing.

    • testMe

      public static void testMe()
      This method marks a section of code that needs testing or verification.

      This method is used to indicate areas of code that require testing or verification.

      It logs a message indicating that the code segment should be tested.

    • testMe

      public static void testMe(String message)
      This method marks a section of code that needs testing or verification, with a custom message.

      This method is used to indicate areas of code that require testing or verification, along with providing a custom message for additional context.

      Parameters:
      message - Specifies the custom message describing the area of code that needs testing or verification.

    • checkMe

      public static void checkMe()
      This method marks a section of code that needs review or checking.

      This method is used to indicate areas of code that require manual review or checking.

      It logs a message indicating that the code segment should be reviewed.

    • getReader

      public static Reader getReader(String fileName)
      This method retrieves a reader for the specified file.
      Parameters:
      fileName - Specifies the name of the file to be read.
      Returns:
      the Reader for reading the contents of the specified file.

    • getURL

      public static URL getURL(String path)
      This method retrieves a URL object for the specified path.
      Parameters:
      path - Specifies the path to the resource.
      Returns:
      a URL object representing the specified resource path.

    • exists

      public static boolean exists(String fileName)
      This method checks whether a file with the specified name exists.
      Parameters:
      fileName - Specifies the name of the file to check.
      Returns:
      true, if the file exists, false otherwise.

    • getAppName

      public static String getAppName()
      This method retrieves the name of the application.
      Returns:
      the name of the application as defined in configuration or based on the main class name.

    • throww

      public static void throww(Throwable e, String msg)
      This method throws a runtime exception with a provided message and the given throwable as the cause.
      Parameters:
      e - Specifies the throwable to be used as the cause of the exception.
      msg - Specifies the message to be included in the exception.

    • close

      public static void close(InputStream in)
      This method closes the provided input stream.
      Parameters:
      in - Specifies the input stream to be closed.

    • sleep

      public static void sleep(int millis)
      This method cause the current thread to sleep for the specified number of milliseconds.
      Parameters:
      millis - Specifies the number of milliseconds to sleep.

    • implementMe

      public static void implementMe(String msg)
      This method throws an IllegalStateException with the specified message, indicating that the method is not implemented yet.
      Parameters:
      msg - Specifies the message indicating that the method is not implemented.

    • getWrapperForPrimitive

      public static Class<?> getWrapperForPrimitive(Class<?> clas)
      This method returns the wrapper class for a given primitive class.
      Parameters:
      clas - Specifies the primitive class for which to retrieve the wrapper class.
      Returns:
      the corresponding wrapper class for the given primitive class, or null if the input class is not a primitive.

    • isPrimitive

      public static boolean isPrimitive(Class<?> type)
      This method checks whether the provided class is a primitive type.
      Parameters:
      type - Specifies the class to check for being a primitive type.
      Returns:
      true, if the provided class is a primitive type, false otherwise.

    • type

      public static Class<?> type(String clasName)
      This method returns the Class object for the given class name.
      Parameters:
      clasName - Specifies the fully qualified name of the class.
      Returns:
      the class object for the specified class name or null if the class is not found.

    • getClass

      public static Class<?> getClass(String className)
      This method returns the Class object for the given class name using the current thread's context class loader.
      Parameters:
      className - the class name
      Returns:
      the class

    • newInstance

      public static <T> T newInstance(Class<T> class1)
      This method creates a new instance of the specified class using its no-argument constructor.
      Type Parameters:
      T - Specifies the type of the class.
      Parameters:
      class1 - Specifies the class to create an instance of.
      Returns:
      a new instance of the specified class, or null if an exception occurs.

    • isTestContext

      public static boolean isTestContext()
      This method checks if the application is currently in test context.
      Returns:
      true, if the application is in test context, false otherwise.

    • setTestContext

      public static void setTestContext()
      This method sets the application to be in test context.

      Note: this may have security issues and should be used with caution.

    • addToSystemConfig

      public static void addToSystemConfig(String generalSystemPropertiesPrefix, JKConfig prop)
      This method adds properties from the provided JKConfig instance to the system properties, with the given prefix.
      Parameters:
      generalSystemPropertiesPrefix - Specifies the prefix to be added to the property names when added to the system properties.
      prop - Specifies the JKConfig instance containing the properties to be added to the system properties.

    • toMap

      public static Map<String,Object> toMap(Object... list)
      This method converts an array of objects into a map, assuming that the array contains pairs of key-value entries.
      Parameters:
      list - Specifies the array of objects where elements at even indices are keys and elements at odd indices are values.
      Returns:
      the map containing the key-value pairs extracted from the input array.

    • toList

      public static <T> List<T> toList(T... objects)
      This method converts a variable number of objects into a list.
      Type Parameters:
      T - Specifies the type of objects in the list.
      Parameters:
      objects - Specifies the objects to be converted into a list.
      Returns:
      the list containing the provided objects.

    • isMultiTenantApp

      public static boolean isMultiTenantApp()
      This method checks whether the application is configured as a multi-tenant application.
      Returns:
      true, if the application is configured as a multi-tenant application, false otherwise.

    • setMultiTenantApp

      public static void setMultiTenantApp(boolean multiTenantApp)
      This method sets the application's multi-tenant configuration.
      Parameters:
      multiTenantApp - Indicates whether to configure the application as a multi-tenant or not.

    • setAppName

      public static void setAppName(String appName)
      This method sets the application name.
      Parameters:
      appName - Specifies the name to set as the application's name.

    • setDebugMode

      public static void setDebugMode(boolean debugMode)
      This method sets the debug mode for the application.
      Parameters:
      debugMode - Indicates whether to enable or disable the debug mode.

    • toSet

      public static Set<?> toSet(Object... obj)
      This method converts an array of objects into a set.
      Parameters:
      obj - Specifies the array of objects to be converted to a set.
      Returns:
      the set containing the elements from the input array.

    • init

      public static void init()
      This method initializes the JK framework.

      This method initializes various aspects of the JK framework, such as setting system properties, configuring logging, validating licenses, and more.

      It should be called only once to ensure proper initialization of the framework.

    • initInfo

      protected static void initInfo()
      This method is responsible for initializing information related to build time and load time of the JK framework.

      It sets the build time, build version, and load time information based on available build properties.

      If the build properties file is not found, it logs a message indicating that the file is missing.

    • newInstances

      public static <T> List<T> newInstances(Class<T> clas, int count)
      This method creates and returns a list of new instances of a specified class.
      Type Parameters:
      T - Specifies the type of objects to create instances of.
      Parameters:
      clas - Specifies the class of objects to create instances of.
      count - Specifies the number of instances to create.
      Returns:
      a list containing the newly created instances.

    • first

      public static <T> T first(List<T> list)
      This method returns the first element from the given list.
      Type Parameters:
      T - Specifies the type of elements in the list.
      Parameters:
      list - Specifies the list from which to retrieve the first element.
      Returns:
      the first element in the list, or null if the list is empty.

    • getProperty

      public static String getProperty(String name)
      This method gets the value of the system property associated with the specified name.
      Parameters:
      name - Specifies the name of the system property.
      Returns:
      the string value of the system property, or null if the property doesn't exist.

    • getProperty

      public static String getProperty(String name, String defaultValue)
      This method gets the value of the system property associated with the specified name.

      If the property is not found, returns the specified default value.

      Parameters:
      name - Specifies the name of the system property.
      defaultValue - Specifies the default value to return if the property doesn't exist.
      Returns:
      the string value of the system property, or the default value if the property doesn't exist.

    • getBuildTime

      public static String getBuildTime()
      This method gets the build time of the application.
      Returns:
      the build time of the application.

    • get

      public static String get()
      This method gets the version of the application.
      Returns:
      the version of the application

    • getLoadTime

      public static String getLoadTime()
      This method gets the time stamp of class load time.
      Returns:
      the time stamp of class load time.

    • runAsync

      public static void runAsync(Runnable runnable)
      This method executes the provided Runnable in a separate asynchronous thread.

      The runnable may execute in a new thread, in a pooled thread, or in the calling thread, at the discretion of the Executor implementation.

      Parameters:
      runnable - Specifies the runnable instance to execute.

    • toInt

      public static int toInt(Object obj)
      This method converts an Object to an integer value.
      Parameters:
      obj - Specifies the Object to convert to an integer.
      Returns:
      the integer value of the Object.

    • getSize

      public static int getSize(Collection c)
      This method gets the size of the provided collection.
      Parameters:
      c - Specifies the collection to get size of.
      Returns:
      the size of the collection, or 0 if its null or empty.

    • close

      public static void close()
      This method shuts down the executor service used for running asynchronous tasks.

      It is recommended to call this method before the application exits to ensure proper cleanup of resources.

    • isInitizlied

      public static boolean isInitizlied()
      This method checks whether the JK Framework been initialized or not.
      Returns:
      true, if the framework has been initialized, false otherwise.

    • e

      public static boolean e(String f)
      ...
      Parameters:
      f - ...
      Returns:
      ...

    • c

      public static boolean c(String f, String t)
      ...
      Parameters:
      f - ...
      t - ...
      Returns:
      ...

    • v

      public static void v(String f, String p)
      ...
      Parameters:
      f - ...
      p - ...