org.springframework.web.util.pattern

Class RegexPathElement

java.lang.Object

org.springframework.web.util.pattern.PathElement

org.springframework.web.util.pattern.RegexPathElement

class RegexPathElement
extends PathElement

A regex path element. Used to represent any complicated element of the path. For example in '/foo/*_*/*_{foobar}' both *_* and *_{foobar} are RegexPathElement path elements. Derived from the general AntPathMatcher approach.

Since:

5.0

Author:

Andy Clement

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	caseSensitive
private static java.lang.String	DEFAULT_VARIABLE_PATTERN
private static java.util.regex.Pattern	GLOB_PATTERN
private java.util.regex.Pattern	pattern
private char[]	regex
private java.util.List<java.lang.String>	variableNames
private int	wildcardCount

Fields inherited from class org.springframework.web.util.pattern.PathElement

CAPTURE_VARIABLE_WEIGHT, next, NO_PARAMETERS, pos, prev, separator, WILDCARD_WEIGHT

Constructor Summary

Constructors

Constructor and Description
RegexPathElement(int pos, char[] regex, boolean caseSensitive, char[] completePattern, char separator)

Method Summary

Modifier and Type	Method and Description
java.util.regex.Pattern	buildPattern(char[] regex, char[] completePattern)
int	getCaptureCount() Return the number of variables captured by the path element.
char[]	getChars()
int	getNormalizedLength() Return the length of the path element where captures are considered to be one character long.
int	getScore() Return the score for this PathElement, combined score is used to compare parsed patterns.
java.util.List<java.lang.String>	getVariableNames()
int	getWildcardCount() Return the number of wildcard elements (*, ?) in the path element.
boolean	matches(int pathIndex, PathPattern.MatchingContext matchingContext) Attempt to match this path element.
private java.lang.String	quote(java.lang.String s, int start, int end)
java.lang.String	toString()

Methods inherited from class org.springframework.web.util.pattern.PathElement

isNoMorePattern

Methods inherited from class java.lang.Object

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

Field Detail

GLOB_PATTERN

private static final java.util.regex.Pattern GLOB_PATTERN

DEFAULT_VARIABLE_PATTERN

private static final java.lang.String DEFAULT_VARIABLE_PATTERN

See Also:

Constant Field Values

regex

private char[] regex

caseSensitive

private final boolean caseSensitive

pattern

private final java.util.regex.Pattern pattern

wildcardCount

private int wildcardCount

variableNames

private final java.util.List<java.lang.String> variableNames

Constructor Detail

RegexPathElement

RegexPathElement(int pos,
                 char[] regex,
                 boolean caseSensitive,
                 char[] completePattern,
                 char separator)

Method Detail

buildPattern

public java.util.regex.Pattern buildPattern(char[] regex,
                                            char[] completePattern)

getVariableNames

public java.util.List<java.lang.String> getVariableNames()

quote

private java.lang.String quote(java.lang.String s,
                               int start,
                               int end)

matches

public boolean matches(int pathIndex,
                       PathPattern.MatchingContext matchingContext)

Description copied from class: PathElement

Attempt to match this path element.

Specified by:

matches in class PathElement

Parameters:

pathIndex - the current position within the candidate path

matchingContext - encapsulates context for the match including the candidate

Returns:

true if it matches, otherwise false

getNormalizedLength

public int getNormalizedLength()

Description copied from class: PathElement

Return the length of the path element where captures are considered to be one character long.

Specified by:

getNormalizedLength in class PathElement

Returns:

the normalized length

getCaptureCount

public int getCaptureCount()

Description copied from class: PathElement

Return the number of variables captured by the path element.

Overrides:

getCaptureCount in class PathElement

getWildcardCount

public int getWildcardCount()

Description copied from class: PathElement

Return the number of wildcard elements (*, ?) in the path element.

Overrides:

getWildcardCount in class PathElement

getScore

public int getScore()

Description copied from class: PathElement

Return the score for this PathElement, combined score is used to compare parsed patterns.

Overrides:

getScore in class PathElement

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getChars

public char[] getChars()

Specified by:

getChars in class PathElement