ezvcard.util
Class StringUtils

java.lang.Object
  ezvcard.util.StringUtils

public class StringUtils
extends Object

Helper class for dealing with vCard strings.

Author:

Michael Angstadt

Nested Class Summary

static interface	StringUtils.JoinCallback<T> Callback interface used with various VCardStringUtils.join() methods.
static interface	StringUtils.JoinMapCallback<K,V> Callback interface used with the join(Map, String, JoinMapCallback) method.

Field Summary

static String

NEWLINE The local computer's newline character sequence.

Method Summary

static <T> String	join(Collection<T> collection, String delimiter) Joins a collection of values into a delimited list.
static <T> void	join(Collection<T> collection, String delimiter, StringBuilder sb) Joins a collection of values into a delimited list.
static <T> void	join(Collection<T> collection, String delimiter, StringBuilder sb, StringUtils.JoinCallback<T> join) Joins a collection of values into a delimited list.
static <T> String	join(Collection<T> collection, String delimiter, StringUtils.JoinCallback<T> join) Joins a collection of values into a delimited list.
static <K,V> String	join(Map<K,V> map, String delimiter, StringUtils.JoinMapCallback<K,V> join) Joins a map into a delimited list.
static String	ltrim(String string) Trims the whitespace off the left side of a string.
static String	rtrim(String string) Trims the whitespace off the right side of a string.

Methods inherited from class java.lang.Object

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

Field Detail

NEWLINE

public static final String NEWLINE

The local computer's newline character sequence.

Method Detail

ltrim

public static String ltrim(String string)

Trims the whitespace off the left side of a string.

Parameters:

string - the string to trim

Returns:

the trimmed string

rtrim

public static String rtrim(String string)

Trims the whitespace off the right side of a string.

Parameters:

string - the string to trim

Returns:

the trimmed string

join

public static <T> String join(Collection<T> collection,
                              String delimiter)

Joins a collection of values into a delimited list.

Parameters:

collection - the collection of values

delimiter - the delimiter (e.g. ",")

Returns:

the final string

join

public static <T> void join(Collection<T> collection,
                            String delimiter,
                            StringBuilder sb)

Joins a collection of values into a delimited list.

Parameters:

collection - the collection of values

delimiter - the delimiter (e.g. ",")

sb - the string builder to append onto

join

public static <T> String join(Collection<T> collection,
                              String delimiter,
                              StringUtils.JoinCallback<T> join)

Joins a collection of values into a delimited list.

Parameters:

collection - the collection of values

delimiter - the delimiter (e.g. ",")

join - callback function to call on every element in the collection

Returns:

the final string

join

public static <T> void join(Collection<T> collection,
                            String delimiter,
                            StringBuilder sb,
                            StringUtils.JoinCallback<T> join)

Joins a collection of values into a delimited list.

Parameters:

collection - the collection of values

delimiter - the delimiter (e.g. ",")

sb - the string builder to append onto

join - callback function to call on every element in the collection

join

public static <K,V> String join(Map<K,V> map,
                                String delimiter,
                                StringUtils.JoinMapCallback<K,V> join)

Joins a map into a delimited list.

Parameters:

map - the map

delimiter - the delimiter (e.g. ",")

join - callback function to call on every element in the collection

Returns:

the final string