net.geant.edugain.attributes.filters
Class AbstractFilter

java.lang.Object
  net.geant.edugain.attributes.filters.AbstractFilter

All Implemented Interfaces:

Filter

Direct Known Subclasses:

AllowFilter, DenyFilter

public abstract class AbstractFilter
extends java.lang.Object
implements Filter

Abstract Attribute Filter. This class provides the infrastructure needed by AllowFilter and DenyFilter.

Author:

Adam Lantos

Field Summary

private java.lang.String	attributeName The ID of the attribute which this filter operates on.
private org.apache.log4j.Logger	log
private boolean	valueMatches Whether or not this filter is using regular expressions to determine attribute values.
private java.util.List<java.util.regex.Pattern>	valueRegexps The regular expressions set by the configuration.

Constructor Summary

AbstractFilter()

Method Summary

protected void	filterOut(AttributeSet set, AttributeValues values) Internal method to remove one AttributeValue from the AttributeSet.
protected java.lang.String	getAttributeName()
void	init(AttributeType configuration) Initializes this attribute filter with parsed configuration.
protected boolean	isValueMatches()
protected AttributeValues	selectAttributeValues(AttributeSet input) Internal method which makes the filtering and returns one AttributeValues which holds all the attribute values this filter will operate on.
protected boolean	valueMatches(java.lang.String attributeValue) Internal method to decide whether or not one single attribute value matches at least one regular expression.

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.geant.edugain.attributes.filters.Filter

doFilter

Field Detail

attributeName

private java.lang.String attributeName

The ID of the attribute which this filter operates on.

valueMatches

private boolean valueMatches

Whether or not this filter is using regular expressions to determine attribute values.

valueRegexps

private java.util.List<java.util.regex.Pattern> valueRegexps

The regular expressions set by the configuration.

log

private org.apache.log4j.Logger log

Constructor Detail

AbstractFilter

public AbstractFilter()

Method Detail

init

public void init(AttributeType configuration)

Initializes this attribute filter with parsed configuration.

Specified by:

init in interface Filter

Parameters:

configuration -

isValueMatches

protected boolean isValueMatches()

getAttributeName

protected java.lang.String getAttributeName()

selectAttributeValues

protected AttributeValues selectAttributeValues(AttributeSet input)

Internal method which makes the filtering and returns one AttributeValues which holds all the attribute values this filter will operate on.

Parameters:

input -

Returns:

valueMatches

protected boolean valueMatches(java.lang.String attributeValue)

Internal method to decide whether or not one single attribute value matches at least one regular expression.

Parameters:

attributeValue -

Returns:

filterOut

protected void filterOut(AttributeSet set,
                         AttributeValues values)

Internal method to remove one AttributeValue from the AttributeSet.

Parameters:

set -

values -