cz.cuni.mff.ksi.jinfer.base.utils
Class CollectionToString

java.lang.Object
  cz.cuni.mff.ksi.jinfer.base.utils.CollectionToString

public class CollectionToString
extends Object

Helper class for collection presentation.

Nested Class Summary

static interface

CollectionToString.ToString<T>

Field Summary

static CollectionToString.ToString<String>

IDEMPOTENT A trivial toString strategy: simply returns the input String.

Method Summary

static <T> String	colToString(Collection<T> collection, String separator, CollectionToString.ToString<T> toStringStrategy) Converts a collection to a string looking like this: (a,b,c,d).
static <T> String	colToString(Collection<T> collection, String separator, CollectionToString.ToString<T> toStringStrategy, String braceOpen, String braceClose) Converts a collection to a string looking like this: (a,b,c,d).

Methods inherited from class java.lang.Object

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

Field Detail

IDEMPOTENT

public static final CollectionToString.ToString<String> IDEMPOTENT

A trivial toString strategy: simply returns the input String.

Method Detail

colToString

public static <T> String colToString(Collection<T> collection,
                                     String separator,
                                     CollectionToString.ToString<T> toStringStrategy)

Converts a collection to a string looking like this: (a,b,c,d). Separator and strategy of turning collection elements to string is configurable.

Type Parameters:

T - Type on which we work.

Parameters:

collection - Collection to be turned into a string.

separator - A character that will separate the elements.

toStringStrategy - Strategy how to convert an element of the collection to a string.

Returns:

String representing the collection.

colToString

public static <T> String colToString(Collection<T> collection,
                                     String separator,
                                     CollectionToString.ToString<T> toStringStrategy,
                                     String braceOpen,
                                     String braceClose)

Converts a collection to a string looking like this: (a,b,c,d). Separator and strategy of turning collection elements to string is configurable.

Type Parameters:

T - Type on which we work.

Parameters:

collection - Collection to be turned into a string.

separator - A character that will separate the elements.

toStringStrategy - Strategy how to convert an element of the collection to a string.

braceOpen - How to opening brace should look like (empty string is OK).

braceClose - How to closing brace should look like (empty string is OK).

Returns:

String representing the collection.