Package net.fortuna.ical4j.util

Class Strings

java.lang.Object

net.fortuna.ical4j.util.Strings

public final class Strings
extends Object

$Id$ [23-Apr-2004] Utility methods for working with parameters.

Field Summary

Fields

Modifier and Type	Field	Description
static String	LINE_SEPARATOR	A string used to denote the start (and end) of iCalendar content lines.
static Pattern	PARAM_QUOTE_PATTERN	Defines a regular expression representing all parameter strings that should be quoted.

Method Summary

Modifier and Type	Method	Description
static String	escape(String aValue)	Convenience method for escaping special characters.
static String	escapeNewline(String value)
static String	quote(Object aValue)	Convenience method for adding quotes.
static String	quote(URI uri)
static String	unescape(String aValue)	Convenience method for replacing escaped special characters with their original form.
static String	unquote(String aValue)	Convenience method for removing surrounding quotes from a string value.
static String	valueOf(Object object)	Wraps java.lang.String.valueOf() to return an empty string where the specified object is null.

Methods inherited from class java.lang.Object

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

Field Detail

PARAM_QUOTE_PATTERN

public static final Pattern PARAM_QUOTE_PATTERN

Defines a regular expression representing all parameter strings that should be quoted.

LINE_SEPARATOR

public static final String LINE_SEPARATOR

A string used to denote the start (and end) of iCalendar content lines.

See Also:

Constant Field Values

Method Detail

quote

public static String quote(Object aValue)

Convenience method for adding quotes. The specified object is converted to a string representation by calling its toString() method.

Parameters:

aValue - an object to quote

Returns:

a quoted string

quote

public static String quote(URI uri)

unquote

public static String unquote(String aValue)

Convenience method for removing surrounding quotes from a string value.

Parameters:

aValue - a string to remove quotes from

Returns:

an un-quoted string

escape

public static String escape(String aValue)

Convenience method for escaping special characters.

Parameters:

aValue - a string value to escape

Returns:

an escaped representation of the specified string

unescape

public static String unescape(String aValue)

Convenience method for replacing escaped special characters with their original form.

Parameters:

aValue - a string value to unescape

Returns:

a string representation of the specified string with escaped characters replaced with their original form

escapeNewline

public static String escapeNewline(String value)

valueOf

public static String valueOf(Object object)

Wraps java.lang.String.valueOf() to return an empty string where the specified object is null.

Parameters:

object - an object instance

Returns:

a string representation of the object