Package ch.pschatzmann.edgar.utils

Class Utils

java.lang.Object

ch.pschatzmann.edgar.utils.Utils

public class Utils
extends java.lang.Object

Basic utility function

Author:

pschatzmann

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.Object	DEL
static java.lang.String	NL

Constructor Summary

Constructors

Constructor	Description
Utils()

Method Summary

Modifier and Type	Method	Description
static java.lang.String	capitalize(java.lang.String string)	Capitalize the first characters to upper case
static java.lang.String	cleanHtmlEscapes(java.lang.String str)	Replaces the escaped html characters whith the proper characters
static boolean	containsAny(java.util.Collection fields, java.util.Collection any)	Returns true if at least 1 field in any is contained in fields
static java.io.File	createTempFile(java.lang.String str)	Writes the string to a temporary file
static java.lang.String	escapeCSV(java.lang.String value)	Escapes a CSV value so that we handle text which contains " and new lines correctly
static java.lang.String	getDestinationFolder()	Determines the data folder
static java.lang.String	getProperty(java.lang.String property, java.lang.String defaultValue)	Returns the indicated environment variable or if it does not exist the system property.
static boolean	isEmpty(java.lang.String str)	Checks if the string is empty (empty string or null)
static java.lang.Boolean	isNumber(java.lang.String str, java.lang.Boolean resultIfEmpty)	Return true if the str is a number
static java.lang.String	lastPath(java.lang.String url)	Returns the last part of a string after any of the following delimiting characters (_,#,/,:)
static java.lang.String	lastPath(java.lang.String url, java.lang.String delim)
static java.lang.String	notNull(java.lang.Object value, java.lang.String defaultValue)	Converts a null string to an defaultValue - otherwise the input is returned
static java.lang.String	notNull(java.lang.String value)	Converts a null string to an empty spaces - otherwise the input is returned
static java.lang.String	repeat(java.lang.String s, int n)	Creates a string by repeating the input string n times
static java.lang.String	runtime(java.lang.String context, long start)	Collect the runtime
static void	setCSVDelimiter(java.lang.String del)	Defines the CSV Delimiter
static java.lang.String	str(java.lang.Object value)	Makes sure that we do not have any null.
static java.lang.String	toString(java.util.Collection filterValues, java.lang.String stringDel, java.lang.String delimiter)	Convert collection to String
static java.io.ByteArrayOutputStream	urlToByteArray(java.net.URL url)	Converts a URL to a ByteArrayOutputStream
static void	waitForever()	Executes repeated thread sleep for 1 minutue
static long	wordCount(java.lang.String str, java.lang.String findStr)	Count the occurrences of the findString

Methods inherited from class java.lang.Object

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

Field Detail

NL

public static final java.lang.String NL

See Also:

Constant Field Values

DEL

public static java.lang.Object DEL

Constructor Detail

Utils

public Utils()

Method Detail

isEmpty

public static boolean isEmpty(java.lang.String str)

Checks if the string is empty (empty string or null)

Parameters:

str - String with or without value

Returns:

true if empty

getProperty

public static java.lang.String getProperty(java.lang.String property,
                                           java.lang.String defaultValue)

Returns the indicated environment variable or if it does not exist the system property.

Parameters:

property - property name

defaultValue - value if no property is defined

Returns:

lastPath

public static java.lang.String lastPath(java.lang.String url)

Returns the last part of a string after any of the following delimiting characters (_,#,/,:)

Parameters:

url -

Returns:

lastPath

public static java.lang.String lastPath(java.lang.String url,
                                        java.lang.String delim)

notNull

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

Converts a null string to an empty spaces - otherwise the input is returned

Parameters:

value -

Returns:

notNull

public static java.lang.String notNull(java.lang.Object value,
                                       java.lang.String defaultValue)

Converts a null string to an defaultValue - otherwise the input is returned

Parameters:

value -

defaultValue -

Returns:

repeat

public static java.lang.String repeat(java.lang.String s,
                                      int n)

Creates a string by repeating the input string n times

Parameters:

s - input string

n -

Returns:

waitForever

public static void waitForever()
                        throws java.lang.InterruptedException

Executes repeated thread sleep for 1 minutue

Throws:

java.lang.InterruptedException

containsAny

public static boolean containsAny(java.util.Collection fields,
                                  java.util.Collection any)

Returns true if at least 1 field in any is contained in fields

Parameters:

fields -

any -

Returns:

toString

public static java.lang.String toString(java.util.Collection filterValues,
                                        java.lang.String stringDel,
                                        java.lang.String delimiter)

Convert collection to String

Parameters:

filterValues -

stringDel -

delimiter -

Returns:

wordCount

public static long wordCount(java.lang.String str,
                             java.lang.String findStr)

Count the occurrences of the findString

Parameters:

str -

findStr -

Returns:

capitalize

public static java.lang.String capitalize(java.lang.String string)

Capitalize the first characters to upper case

Parameters:

string -

Returns:

runtime

public static java.lang.String runtime(java.lang.String context,
                                       long start)

Collect the runtime

Parameters:

context -

start -

Returns:

isNumber

public static java.lang.Boolean isNumber(java.lang.String str,
                                         java.lang.Boolean resultIfEmpty)

Return true if the str is a number

Parameters:

str -

resultIfEmpty -

Returns:

str

public static java.lang.String str(java.lang.Object value)

Makes sure that we do not have any null. If the object is null it is converted to an empty string

Parameters:

value -

Returns:

string value of value - if null we return an empty string

urlToByteArray

public static java.io.ByteArrayOutputStream urlToByteArray(java.net.URL url)
                                                    throws java.io.IOException

Converts a URL to a ByteArrayOutputStream

Parameters:

url -

Returns:

ByteArrayOutputStream

Throws:

java.io.IOException

createTempFile

public static java.io.File createTempFile(java.lang.String str)
                                   throws java.io.IOException

Writes the string to a temporary file

Parameters:

str -

Returns:

Throws:

java.io.IOException

setCSVDelimiter

public static void setCSVDelimiter(java.lang.String del)

Defines the CSV Delimiter

Parameters:

del -

escapeCSV

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

Escapes a CSV value so that we handle text which contains " and new lines correctly

Parameters:

value -

Returns:

cleanHtmlEscapes

public static java.lang.String cleanHtmlEscapes(java.lang.String str)

Replaces the escaped html characters whith the proper characters

Parameters:

str -

Returns:

getDestinationFolder

public static java.lang.String getDestinationFolder()

Determines the data folder

Returns: