Package org.apache.shiro.util

Class AntPathMatcher

java.lang.Object

org.apache.shiro.util.AntPathMatcher

All Implemented Interfaces:

PatternMatcher

public class AntPathMatcher
extends Object
implements PatternMatcher

PathMatcher implementation for Ant-style path patterns. Examples are provided below.

Part of this mapping code has been kindly borrowed from Apache Ant.

The mapping matches URLs using the following rules:

• ? matches one character
• * matches zero or more characters
• ** matches zero or more 'directories' in a path

Some examples:

• com/t?st.jsp - matches com/test.jsp but also com/tast.jsp or com/txst.jsp
• com/*.jsp - matches all .jsp files in the com directory
• com/**/test.jsp - matches all test.jsp files underneath the com path
• org/apache/shiro/**/*.jsp - matches all .jsp files underneath the org/apache/shiro path
• org/**/servlet/bla.jsp - matches org/apache/shiro/servlet/bla.jsp but also org/apache/shiro/testing/servlet/bla.jsp and org/servlet/bla.jsp

N.B.: This class was borrowed (with much appreciation) from the Spring Framework with modifications. We didn't want to reinvent the wheel of great work they've done, but also didn't want to force every Shiro user to depend on Spring

As per the Apache 2.0 license, the original copyright notice and all author and copyright information have remained in tact.

Since:

16.07.2003

Field Summary

Fields

Modifier and Type	Field	Description
static String	DEFAULT_PATH_SEPARATOR	Default path separator: "/"

Constructor Summary

Constructors

Constructor	Description
AntPathMatcher()

Method Summary

Modifier and Type	Method	Description
protected boolean	doMatch(String pattern, String path, boolean fullMatch)	Actually match the given path against the given pattern.
String	extractPathWithinPattern(String pattern, String path)	Given a pattern and a full path, determine the pattern-mapped part.
boolean	isPattern(String path)
boolean	match(String pattern, String path)
boolean	matches(String pattern, String source)	Returns true if the given source matches the specified pattern, false otherwise.
boolean	matchStart(String pattern, String path)
void	setPathSeparator(String pathSeparator)	Set the path separator to use for pattern parsing.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_PATH_SEPARATOR

public static final String DEFAULT_PATH_SEPARATOR

Default path separator: "/"

See Also:

Constant Field Values

Constructor Detail

AntPathMatcher

public AntPathMatcher()

Method Detail

setPathSeparator

public void setPathSeparator(String pathSeparator)

Set the path separator to use for pattern parsing. Default is "/", as in Ant.

isPattern

public boolean isPattern(String path)

matches

public boolean matches(String pattern,
                       String source)

Description copied from interface: PatternMatcher

Returns true if the given source matches the specified pattern, false otherwise.

Specified by:

matches in interface PatternMatcher

Parameters:

pattern - the pattern to match against

source - the source to match

Returns:

true if the given source matches the specified pattern, false otherwise.

match

public boolean match(String pattern,
                     String path)

matchStart

public boolean matchStart(String pattern,
                          String path)

doMatch

protected boolean doMatch(String pattern,
                          String path,
                          boolean fullMatch)

Actually match the given path against the given pattern.

Parameters:

pattern - the pattern to match against

path - the path String to test

fullMatch - whether a full pattern match is required (else a pattern match as far as the given base path goes is sufficient)

Returns:

true if the supplied path matched, false if it didn't

extractPathWithinPattern

public String extractPathWithinPattern(String pattern,
                                       String path)

Given a pattern and a full path, determine the pattern-mapped part.

For example:

• '/docs/cvs/commit.html' and '/docs/cvs/commit.html -> ''
• '/docs/*' and '/docs/cvs/commit -> 'cvs/commit'
• '/docs/cvs/*.html' and '/docs/cvs/commit.html -> 'commit.html'
• '/docs/**' and '/docs/cvs/commit -> 'cvs/commit'
• '/docs/**\/*.html' and '/docs/cvs/commit.html -> 'cvs/commit.html'
• '/*.html' and '/docs/cvs/commit.html -> 'docs/cvs/commit.html'
• '*.html' and '/docs/cvs/commit.html -> '/docs/cvs/commit.html'
• '*' and '/docs/cvs/commit.html -> '/docs/cvs/commit.html'

Assumes that match(java.lang.String, java.lang.String) returns true for 'pattern' and 'path', but does not enforce this.