Package org.faktorips.runtime.util

Class StringBuilderJoiner

java.lang.Object

org.faktorips.runtime.util.StringBuilderJoiner

public class StringBuilderJoiner
extends Object

Utility class similar to StringJoiner / String.join(CharSequence, Iterable) / Collectors.joining(CharSequence) that does not create intermediary Strings but appends all parts to a preexisting StringBuilder.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DEFAULT_SEPARATOR

Method Summary

Modifier and Type	Method	Description
static final void	join(StringBuilder sb, Iterable<?> iterable)	Appends the elements of the provided Iterable to the given StringBuilder, separated by the DEFAULT_SEPARATOR ", ".
static final void	join(StringBuilder sb, Iterable<?> iterable, String separator)	Appends the elements of the provided Iterable to the given StringBuilder, separated by the given separator.
static final <T> void	join(StringBuilder sb, Iterable<T> iterable, String separator, Consumer<? super T> singleItemAppender)	Appends the elements of the provided Iterable, converted to String with the given toString Function, to the given StringBuilder, separated by the given separator.
static final <T> void	join(StringBuilder sb, Iterable<T> iterable, Consumer<? super T> singleItemAppender)	Appends the elements of the provided Iterable, converted to String with the given toString Function, to the given StringBuilder, separated by the DEFAULT_SEPARATOR ", ".
static final void	join(StringBuilder sb, Object[] objectArray)	Appends the elements of the provided array to the given StringBuilder, separated by the DEFAULT_SEPARATOR ", ".
static final <T> void	join(StringBuilder sb, T[] objectArray, Consumer<? super T> singleItemAppender)	Appends the elements of the provided array, converted to String with the given toString Function, to the given StringBuilder, separated by the DEFAULT_SEPARATOR ", ".

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT_SEPARATOR

public static final String DEFAULT_SEPARATOR

See Also:

• Constant Field Values

Method Details

join

public static final void join(StringBuilder sb,
 Iterable<?> iterable,
 String separator)

Appends the elements of the provided Iterable to the given StringBuilder, separated by the given separator. No delimiter is added before or after the list.

Parameters:

sb - the StringBuilder to which the values will be appended

iterable - the Collection of values to join together, may be null

separator - the separator to use, null treated as ""

join

public static final void join(StringBuilder sb,
 Iterable<?> iterable)

Appends the elements of the provided Iterable to the given StringBuilder, separated by the DEFAULT_SEPARATOR ", ". No delimiter is added before or after the list.

Parameters:

sb - the StringBuilder to which the values will be appended

iterable - the Collection of values to join together, may be null

join

public static final void join(StringBuilder sb,
 Object[] objectArray)

Appends the elements of the provided array to the given StringBuilder, separated by the DEFAULT_SEPARATOR ", ". No delimiter is added before or after the list.

Parameters:

sb - the StringBuilder to which the values will be appended

objectArray - the array of values to join together, may be null

join

public static final <T> void join(StringBuilder sb,
 Iterable<T> iterable,
 Consumer<? super T> singleItemAppender)

Appends the elements of the provided Iterable, converted to String with the given toString Function, to the given StringBuilder, separated by the DEFAULT_SEPARATOR ", ". No delimiter is added before or after the list.

Parameters:

sb - the StringBuilder to which the values will be appended

iterable - the Collection of values to join together, may be null

singleItemAppender - a Consumer that takes a single element to append it with multiple calls to StringBuilder.append(String)

join

public static final <T> void join(StringBuilder sb,
 T[] objectArray,
 Consumer<? super T> singleItemAppender)

Appends the elements of the provided array, converted to String with the given toString Function, to the given StringBuilder, separated by the DEFAULT_SEPARATOR ", ". No delimiter is added before or after the list.

Parameters:

sb - the StringBuilder to which the values will be appended

objectArray - the array of values to join together, may be null

singleItemAppender - a Consumer that takes a single element to append it with multiple calls to StringBuilder.append(String)

join

public static final <T> void join(StringBuilder sb,
 Iterable<T> iterable,
 String separator,
 Consumer<? super T> singleItemAppender)

Appends the elements of the provided Iterable, converted to String with the given toString Function, to the given StringBuilder, separated by the given separator. No delimiter is added before or after the list.

Parameters:

sb - the StringBuilder to which the values will be appended

iterable - the Collection of values to join together, may be null

separator - the separator to use, null treated as ""

singleItemAppender - a Consumer that takes a single element to append it with multiple calls to StringBuilder.append(String)