Package au.csiro.pathling.utilities

Class Strings

java.lang.Object

au.csiro.pathling.utilities.Strings

public abstract class Strings
extends Object

Utility class containing some methods for string wrangling.

Author:

John Grimes

Constructor Summary

Constructors

Constructor	Description
Strings()

Method Summary

Modifier and Type	Method	Description
static boolean	looksLikeAlias(CharSequence input)
static String	parentheses(String value)
static <T> List<T>	parseCsvList(String csvList, Function<String,T> converter)	Leniently parses a list of coma separated values.
static String	randomAlias()
static String	unSingleQuote(String value)

Methods inherited from class java.lang.Object

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

Constructor Detail

Strings

public Strings()

Method Detail

parentheses

@Nonnull
public static String parentheses(@Nonnull
                                 String value)

Parameters:

value - a String value

Returns:

the string surrounded by parentheses

unSingleQuote

@Nonnull
public static String unSingleQuote(@Nonnull
                                   String value)

Parameters:

value - a String surrounded by single quotes

Returns:

the unquoted String

randomAlias

@Nonnull
public static String randomAlias()

Returns:

a short, random String for use as a column alias

looksLikeAlias

public static boolean looksLikeAlias(@Nonnull
                                     CharSequence input)

Parameters:

input - a column name

Returns:

true if the column name looks like a randomly generated alias

parseCsvList

@Nonnull
public static <T> List<T> parseCsvList(@Nonnull
                                       String csvList,
                                       @Nonnull
                                       Function<String,T> converter)

Leniently parses a list of coma separated values. Trims the strings and filters out empty values.

Type Parameters:

T - the type of elements to produce.

Parameters:

csvList - a coma separated list of equivalence codes

converter - a function that converts single value string to the desired type T

Returns:

the list of converted values of type T.