Package org.jboss.resteasy.reactive.common.util

Class ParameterParser

java.lang.Object

org.jboss.resteasy.reactive.common.util.ParameterParser

Direct Known Subclasses:

OrderedParameterParser

public class ParameterParser
extends Object

A simple parser intended to parse sequences of name/value pairs. Parameter values are exptected to be enclosed in quotes if they contain unsafe characters, such as '=' characters or separators. Parameter values are optional and can be omitted.

param1 = value; param2 = "anything goes; really"; param3

Author:

Oleg Kalnichevski

Constructor Summary

Constructors

Constructor	Description
ParameterParser()	Default ParameterParser constructor.

Method Summary

Modifier and Type	Method	Description
protected <K,V> Map<K,V>	emptyMap()
boolean	isLowerCaseNames()	Returns true if parameter names are to be converted to lower case when name/value pairs are parsed.
protected <K,V> Map<K,V>	newMap()
Map<String,String>	parse(char[] chars, char separator)	Extracts a map of name/value pairs from the given array of characters.
Map<String,String>	parse(char[] chars, int offset, int length, char separator)	Extracts a map of name/value pairs from the given array of characters.
Map<String,String>	parse(String str, char separator)	Extracts a map of name/value pairs from the given string.
String	setAttribute(char[] chars, int offset, int length, char separator, String name, String value)	Takes string as-is and only changes the value of a specific attribute.
void	setLowerCaseNames(boolean b)	Sets the flag if parameter names are to be converted to lower case when name/value pairs are parsed.

Methods inherited from class java.lang.Object

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

Constructor Detail

ParameterParser

public ParameterParser()

Default ParameterParser constructor.

Method Detail

isLowerCaseNames

public boolean isLowerCaseNames()

Returns true if parameter names are to be converted to lower case when name/value pairs are parsed.

Returns:

true if parameter names are to be converted to lower case when name/value pairs are parsed. Otherwise returns false

setLowerCaseNames

public void setLowerCaseNames(boolean b)

Sets the flag if parameter names are to be converted to lower case when name/value pairs are parsed.

Parameters:

b - true if parameter names are to be converted to lower case when name/value pairs are parsed. false otherwise.

parse

public Map<String,String> parse(String str,
                                      char separator)

Extracts a map of name/value pairs from the given string. Names are expected to be unique.

Parameters:

str - the string that contains a sequence of name/value pairs

separator - the name/value pairs separator

Returns:

a map of name/value pairs

parse

public Map<String,String> parse(char[] chars,
                                      char separator)

Extracts a map of name/value pairs from the given array of characters. Names are expected to be unique.

Parameters:

chars - the array of characters that contains a sequence of name/value pairs

separator - the name/value pairs separator

Returns:

a map of name/value pairs

parse

public Map<String,String> parse(char[] chars,
                                      int offset,
                                      int length,
                                      char separator)

Extracts a map of name/value pairs from the given array of characters. Names are expected to be unique.

Parameters:

chars - the array of characters that contains a sequence of name/value pairs

offset - - the initial offset.

length - - the length.

separator - the name/value pairs separator

Returns:

a map of name/value pairs

setAttribute

public String setAttribute(char[] chars,
                           int offset,
                           int length,
                           char separator,
                           String name,
                           String value)

Takes string as-is and only changes the value of a specific attribute.

Parameters:

chars - the array of characters that contains a sequence of name/value pairs

offset - - the initial offset.

length - - the length.

separator - the name/value pairs separator

name - attribute name

value - new value

Returns:

updated parameters string

emptyMap

protected <K,V> Map<K,V> emptyMap()

newMap

protected <K,V> Map<K,V> newMap()