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Java Source Code / Java Documentation » J2EE » wicket » org.apache.wicket.util.string

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

org.apache.wicket.util.string .AbstractStringList

org.apache.wicket.util.string .StringList

StringList

final public class StringList extends AbstractStringList (Code)

A typesafe, mutable list of strings supporting a variety of convenient operations as well as expected operations from List such as add(), size(), remove(), iterator(), get(int index) and toArray(). Instances of the class are not threadsafe.

StringList objects can be constructed empty or they can be created using any of several static factory methods:

valueOf(String[])
valueOf(String)
valueOf(Collection)
valueOf(Object[])

In the case of the Collection and Object[] factory methods, each Object in the collection or array is converted to a String via toString() before being added to the StringList.

The tokenize() factory methods allow easy creation of StringLists via StringTokenizer. The repeat() static factory method creates a StringList that repeats a given String a given number of times.

The prepend() method adds a String to the beginning of the StringList. The removeLast() method pops a String off the end of the list. The sort() method sorts strings in the List using Collections.sort(). The class also inherits useful methods from AbstractStringList that include join() methods ala Perl and a toString() method which joins the list of strings with comma separators for easy viewing.
author:
Jonathan Locke

Constructor Summary
public	StringList() Constructor.
public	StringList(int size) Constructor.

Method Summary
public void	add(String string) Adds a string to the back of this list.
public void	add(int pos, String string) Adds the string to the stringlist at position pos.
public void	add(StringValue value) Adds a string value to this list as a string.
public boolean	contains(String string)
public String	get(int index) Gets the string at the given index.
public List	getList()
public IStringIterator	iterator() Returns a typesafe iterator over this collection of strings.
public void	prepend(String string) Adds the given string to the front of the list.
public void	remove(int index) Removes the string at the given index.
public void	removeLast() Removes the last string in this list.
public static StringList	repeat(int count, String string) Returns a list of a string repeated a given number of times.
public int	size()
public void	sort() Sorts this string list alphabetically.
public String[]	toArray() Converts this string list to a string array.
public static StringList	tokenize(String string) Extracts tokens from a comma and space delimited string.
public static StringList	tokenize(String string, String delimiters) Extracts tokens from a delimited string.
public int	totalLength()
public static StringList	valueOf(Collection collection) Converts a collection of objects into a list of string values by using the conversion methods of the StringValue class.
public static StringList	valueOf(Object[] objects) Converts an array of objects into a list of strings by using the object to string conversion method of the StringValue class.
public static StringList	valueOf(String string) Returns a string list with just one string in it.
public static StringList	valueOf(String[] array) Converts a string array to a string list.

Constructor Detail

StringList
public StringList()(Code)
	Constructor.

StringList
public StringList(int size)(Code)
	Constructor. Parameters: size - Number of elements to preallocate

Method Detail

add
public void add(String string)(Code)
	Adds a string to the back of this list. Parameters: string - String to add

add
public void add(int pos, String string)(Code)
	Adds the string to the stringlist at position pos. Parameters: pos - the position to add the string at Parameters: string - the string to add.

add
public void add(StringValue value)(Code)
	Adds a string value to this list as a string. Parameters: value - The value to add

contains
public boolean contains(String string)(Code)
	Parameters: string - The string to look for True if the list contains the string

get
public String get(int index)(Code)
	Gets the string at the given index. Parameters: index - The index The string at the index throws: IndexOutOfBoundsException -

getList
public List getList()(Code)
	List value (not a copy of this list)

iterator
public IStringIterator iterator()(Code)
	Returns a typesafe iterator over this collection of strings. Typesafe string iterator

prepend
public void prepend(String string)(Code)
	Adds the given string to the front of the list. Parameters: string - The string to add

remove
public void remove(int index)(Code)
	Removes the string at the given index. Parameters: index - The index

removeLast
public void removeLast()(Code)
	Removes the last string in this list.

repeat
public static StringList repeat(int count, String string)(Code)
	Returns a list of a string repeated a given number of times. Parameters: count - The number of times to repeat the string Parameters: string - The string to repeat The list of strings

size
public int size()(Code)
	The number of strings in this list.

sort
public void sort()(Code)
	Sorts this string list alphabetically.

toArray
public String[] toArray()(Code)
	Converts this string list to a string array. The string array

tokenize
public static StringList tokenize(String string)(Code)
	Extracts tokens from a comma and space delimited string. Parameters: string - The string The string tokens as a list

tokenize
public static StringList tokenize(String string, String delimiters)(Code)
	Extracts tokens from a delimited string. Parameters: string - The string Parameters: delimiters - The delimiters The string tokens as a list

totalLength
public int totalLength()(Code)
	The total length of all strings in this list.

valueOf
public static StringList valueOf(Collection collection)(Code)
	Converts a collection of objects into a list of string values by using the conversion methods of the StringValue class. Parameters: collection - The collection to add as strings The list

valueOf
public static StringList valueOf(Object[] objects)(Code)
	Converts an array of objects into a list of strings by using the object to string conversion method of the StringValue class. Parameters: objects - The objects to convert The list of strings

valueOf
public static StringList valueOf(String string)(Code)
	Returns a string list with just one string in it. Parameters: string - The string The list of one string

valueOf
public static StringList valueOf(String[] array)(Code)
	Converts a string array to a string list. Parameters: array - The array The list

Methods inherited from org.apache.wicket.util.string.AbstractStringList

abstract public String get(int index)(Code)(Java Doc)
abstract public IStringIterator iterator()(Code)(Java Doc)
final public String join()(Code)(Java Doc)
final public String join(String separator)(Code)(Java Doc)
final public String join(int first, int last, String separator)(Code)(Java Doc)
abstract public int size()(Code)(Java Doc)
public String[] toArray()(Code)(Java Doc)
final public List toList()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
public int totalLength()(Code)(Java Doc)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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