org.apache.directory.api.ldap.model.filter

Class SubstringNode

java.lang.Object

org.apache.directory.api.ldap.model.filter.AbstractExprNode

org.apache.directory.api.ldap.model.filter.LeafNode

org.apache.directory.api.ldap.model.filter.SubstringNode

All Implemented Interfaces:

Cloneable, ExprNode

public class SubstringNode
extends LeafNode

Filter expression tree node used to represent a substring assertion.

Author:

Apache Directory Project

Field Summary

Fields

Modifier and Type	Field and Description
private List<String>	anyPattern List of fragments between wildcard
private String	finalPattern The end fragment after wildcard
private String	initialPattern The initial fragment before any wildcard

Fields inherited from class org.apache.directory.api.ldap.model.filter.LeafNode

attribute, attributeType

Fields inherited from class org.apache.directory.api.ldap.model.filter.AbstractExprNode

annotations, assertionType

Constructor Summary

Constructors

Constructor and Description
SubstringNode(AttributeType attribute) Creates a new SubstringNode object without any value
SubstringNode(AttributeType attributeType, String initialPattern, String finalPattern) Creates a new SubstringNode object with only one wildcard and no internal any fragments between wildcards.
SubstringNode(List<String> anyPattern, AttributeType attributeType, String initialPattern, String finalPattern) Creates a new SubstringNode object more than one wildcard and an any list.
SubstringNode(List<String> anyPattern, String attribute, String initialPattern, String finalPattern) Creates a new SubstringNode object more than one wildcard and an any list.
SubstringNode(String attributeType) Creates a new SubstringNode object without any value
SubstringNode(String attribute, String initialPattern, String finalPattern) Creates a new SubstringNode object with only one wildcard and no internal any fragments between wildcards.

Method Summary

Modifier and Type	Method and Description
void	addAny(String anyPattern) Add an any pattern
ExprNode	clone() Clone the Node
boolean	equals(Object obj)
List<String>	getAny() Gets the list of wildcard surrounded any fragments.
String	getFinal() Gets the final fragment or suffix.
String	getInitial() Gets the initial fragment.
Pattern	getRegex(Normalizer normalizer) Gets the compiled regular expression for the substring expression.
static Pattern	getRegex(String initialPattern, String[] anyPattern, String finalPattern) Creates a regular expression from an LDAP substring assertion filter specification.
int	hashCode()
void	setAny(List<String> anyPattern) Set the any patterns
void	setFinal(String finalPattern) Set the final pattern
void	setInitial(String initialPattern) Set the initial pattern
String	toString()

Methods inherited from class org.apache.directory.api.ldap.model.filter.LeafNode

accept, escapeFilterValue, escapeFilterValue, getAttribute, getAttributeType, isLeaf, isSchemaAware, setAttribute, setAttributeType

Methods inherited from class org.apache.directory.api.ldap.model.filter.AbstractExprNode

get, getAnnotations, getAssertionType, printRefinementToBuffer, set

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

initialPattern

private String initialPattern

The initial fragment before any wildcard

finalPattern

private String finalPattern

The end fragment after wildcard

anyPattern

private List<String> anyPattern

List of fragments between wildcard

Constructor Detail

SubstringNode

public SubstringNode(AttributeType attributeType,
                     String initialPattern,
                     String finalPattern)

Creates a new SubstringNode object with only one wildcard and no internal any fragments between wildcards.

Parameters:

attributeType - the name of the attributeType to substring assert

initialPattern - the initial fragment

finalPattern - the final fragment

SubstringNode

public SubstringNode(String attribute,
                     String initialPattern,
                     String finalPattern)

Creates a new SubstringNode object with only one wildcard and no internal any fragments between wildcards.

Parameters:

attribute - the name of the attribute to substring assert

initialPattern - the initial fragment

finalPattern - the final fragment

SubstringNode

public SubstringNode(AttributeType attribute)

Creates a new SubstringNode object without any value

Parameters:

attribute - the name of the attribute to substring assert

SubstringNode

public SubstringNode(String attributeType)

Creates a new SubstringNode object without any value

Parameters:

attributeType - the attributeType to substring assert

SubstringNode

public SubstringNode(List<String> anyPattern,
                     AttributeType attributeType,
                     String initialPattern,
                     String finalPattern)

Creates a new SubstringNode object more than one wildcard and an any list.

Parameters:

anyPattern - list of internal fragments between wildcards

attributeType - the attributeType to substring assert

initialPattern - the initial fragment

finalPattern - the final fragment

SubstringNode

public SubstringNode(List<String> anyPattern,
                     String attribute,
                     String initialPattern,
                     String finalPattern)

Creates a new SubstringNode object more than one wildcard and an any list.

Parameters:

anyPattern - list of internal fragments between wildcards

attribute - the name of the attribute to substring assert

initialPattern - the initial fragment

finalPattern - the final fragment

Method Detail

getRegex

public static Pattern getRegex(String initialPattern,
                               String[] anyPattern,
                               String finalPattern)

Creates a regular expression from an LDAP substring assertion filter specification.

Parameters:

initialPattern - the initial fragment before wildcards

anyPattern - fragments surrounded by wildcards if any

finalPattern - the final fragment after last wildcard if any

Returns:

the regular expression for the substring match filter

Throws:

PatternSyntaxException - if a syntactically correct regular expression cannot be compiled

clone

public ExprNode clone()

Clone the Node

Specified by:

clone in interface ExprNode

Overrides:

clone in class AbstractExprNode

Returns:

the cloned expression node

getInitial

public final String getInitial()

Gets the initial fragment.

Returns:

the initial prefix

setInitial

public void setInitial(String initialPattern)

Set the initial pattern

Parameters:

initialPattern - The initial pattern

getFinal

public final String getFinal()

Gets the final fragment or suffix.

Returns:

the suffix

setFinal

public void setFinal(String finalPattern)

Set the final pattern

Parameters:

finalPattern - The final pattern

getAny

public final List<String> getAny()

Gets the list of wildcard surrounded any fragments.

Returns:

the any fragments

setAny

public void setAny(List<String> anyPattern)

Set the any patterns

Parameters:

anyPattern - The any patterns

addAny

public void addAny(String anyPattern)

Add an any pattern

Parameters:

anyPattern - The any pattern

getRegex

public final Pattern getRegex(Normalizer normalizer)
                       throws LdapException

Gets the compiled regular expression for the substring expression.

Parameters:

normalizer - the normalizer to use for pattern component normalization

Returns:

the equivalent compiled regular expression

Throws:

LdapException - if there are problems while normalizing

equals

public boolean equals(Object obj)

Overrides:

equals in class LeafNode

Returns:

true if both objects are equal

See Also:

Object.equals(java.lang.Object)

hashCode

public int hashCode()

Overrides:

hashCode in class LeafNode

Returns:

the instance's hash code

See Also:

Object.hashCode()

toString

public String toString()

Overrides:

toString in class AbstractExprNode

Returns:

A string representing the AndNode

See Also:

Object.toString()