psdi.util

Class StringUtility

java.lang.Object

psdi.util.StringUtility

public class StringUtility
extends java.lang.Object

String Utility functions

Field Summary

Fields

Modifier and Type	Field and Description
static char	quote

Constructor Summary

Constructors

Constructor and Description
StringUtility()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	blankBetweenParenthesis(java.lang.String statement)
static java.lang.String	blankQuotes(java.lang.String strWithQuotes) This method creates a copy of the string where the contents of quoted strings are replaced by X's, so searches can be done while ignoring what's quoted.
static java.lang.String	createCommaString(java.util.Collection<java.lang.String> items) Returns elements of the list separated by commas.
static java.lang.String	createCommaString(java.lang.String... items) Returns elements of the list separated by commas.
static java.lang.String	createCommaStringQuoted(java.util.Collection<java.lang.String> items) Returns elements of the list contained by single quotes and separated by commas.
static java.lang.String	createCommaStringQuoted(java.lang.String... items) Returns elements of the array contained by single quotes and separated by commas.
static java.lang.String	createListString(java.lang.String separator, java.lang.String... items) Returns items as a string with the the given separator.
static java.lang.String	delimit(java.util.List<java.lang.String> clauses, java.lang.String delimiter) Combine the elements of the array with the delimiter given.
static java.lang.String	delimit(java.lang.String[] keys, java.lang.String delimiter) Combine the elements of the array with the delimiter given.
static java.lang.String	generateNextName(java.lang.String modifyablePreifx, java.lang.String suffix, int maxLength)
static java.lang.Long	getCRC(java.lang.String input) Get the CRC32 value for a string.
static boolean	isAsciiEncoded(java.lang.String str) Returns true if string can be ASCII encoded.
static boolean	isEmpty(java.lang.String str) Determine if the string has any characters.
static java.lang.String	replaceAll(java.lang.String template, java.lang.Object... tokenValuePairs)
static java.lang.String	replaceSQLStringToken(java.lang.String sql, java.lang.String[]... pairs) Replace tokens in a SQL string with properly quoted string constants.
static java.lang.String	singleToDoubleQuotes(java.lang.String in) Scan input string to see if it contains any single quotes, and replace any single quote with two single quotes.
static java.lang.String[]	splitCSV(java.lang.String line) Split a line from a CSV file.
static boolean	stringsEqual(java.lang.String str, java.lang.String rts) Compare two strings where one or both of the strings may be null.
static java.lang.String	toUpperCase(java.lang.String str) Uppercases a string if it is not null.

Methods inherited from class java.lang.Object

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

Field Detail

quote

public static final char quote

See Also:

Constant Field Values

Constructor Detail

StringUtility

public StringUtility()

Method Detail

createCommaString

public static java.lang.String createCommaString(java.util.Collection<java.lang.String> items)

Returns elements of the list separated by commas.

Parameters:

items -

Returns:

The items, joined by commas. If the list is empty, this will return the empty string.

createListString

public static java.lang.String createListString(java.lang.String separator,
                                                java.lang.String... items)

Returns items as a string with the the given separator.

Returns:

The items in a string delimited by the separator, or the empty string if there are no items.

createCommaString

public static java.lang.String createCommaString(java.lang.String... items)

Returns elements of the list separated by commas.

Parameters:

items -

Returns:

The items, joined by commas. If the list is empty, this will return the empty string.

isEmpty

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

Determine if the string has any characters. Whitespace is ignored.

Parameters:

str - The String to check

Returns:

True if the string is empty or if a null is passed.

blankQuotes

public static java.lang.String blankQuotes(java.lang.String strWithQuotes)

This method creates a copy of the string where the contents of quoted strings are replaced by X's, so searches can be done while ignoring what's quoted.

Parameters:

strWithQuotes -

Returns:

stringsEqual

public static boolean stringsEqual(java.lang.String str,
                                   java.lang.String rts)

Compare two strings where one or both of the strings may be null.

Parameters:

str -

rts -

Returns:

true if the strings match, or if both parameters are null.

createCommaStringQuoted

public static java.lang.String createCommaStringQuoted(java.lang.String... items)

Returns elements of the array contained by single quotes and separated by commas.

Parameters:

items -

Returns:

The items, quoted and joined by commas. If the array is empty, this will return the empty string.

createCommaStringQuoted

public static java.lang.String createCommaStringQuoted(java.util.Collection<java.lang.String> items)

Returns elements of the list contained by single quotes and separated by commas.

Parameters:

items -

Returns:

The items, quoted and joined by commas. If the list is empty, this will return the empty string.

isAsciiEncoded

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

Returns true if string can be ASCII encoded.

Parameters:

string -

Returns:

true if ASCII encoded

toUpperCase

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

Uppercases a string if it is not null.

delimit

public static java.lang.String delimit(java.lang.String[] keys,
                                       java.lang.String delimiter)

Combine the elements of the array with the delimiter given.

Parameters:

keys -

delimiter - put between the keys.

Returns:

The delimited string. If keys is empty then the empty string is returned.

delimit

public static java.lang.String delimit(java.util.List<java.lang.String> clauses,
                                       java.lang.String delimiter)

Combine the elements of the array with the delimiter given.

Parameters:

keys -

delimiter - put between the keys.

Returns:

The delimited string. If keys is empty then the empty string is returned.

singleToDoubleQuotes

public static java.lang.String singleToDoubleQuotes(java.lang.String in)

Scan input string to see if it contains any single quotes, and replace any single quote with two single quotes. This is used when creating a SQL statement with a value that contains single quotes.

Parameters:

in - The value to be analyzed.

Returns:

The input value with any single quotes replaced by two single quotes.

blankBetweenParenthesis

public static java.lang.String blankBetweenParenthesis(java.lang.String statement)

replaceSQLStringToken

public static java.lang.String replaceSQLStringToken(java.lang.String sql,
                                                     java.lang.String[]... pairs)

Replace tokens in a SQL string with properly quoted string constants. If the replace string constant has internal single quotes, they will be doubled.

Parameters:

sql - The SQL string to modify

pairs - Size 2 String arrays with token name and replacement value.

Returns:

The modified SQL.

getCRC

public static java.lang.Long getCRC(java.lang.String input)

Get the CRC32 value for a string.

Parameters:

input -

Returns:

splitCSV

public static java.lang.String[] splitCSV(java.lang.String line)

Split a line from a CSV file.

Parameters:

line -

Returns:

The columns of data. An empty array will be return if the line is blank or there are no values.

replaceAll

public static java.lang.String replaceAll(java.lang.String template,
                                          java.lang.Object... tokenValuePairs)

generateNextName

public static java.lang.String generateNextName(java.lang.String modifyablePreifx,
                                                java.lang.String suffix,
                                                int maxLength)