org.znerd.logdoc

Class NullLogFilter

java.lang.Object

org.znerd.logdoc.LogFilter

org.znerd.logdoc.NullLogFilter

public final class NullLogFilter
extends LogFilter

Log filter that always returns an empty string. This filter provides minimum information and maximum security.

An empty string is returned instead of plain null, to avoid any NullPointerException issues.

Constructor Summary

Constructors

Constructor and Description
NullLogFilter()

Method Summary

Methods

Modifier and Type	Method and Description
Object	filter(String logger, String param, Object value) Filters the specified Object value.
String	filter(String logger, String param, String value) Filters the specified String value.

Methods inherited from class java.lang.Object

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

Constructor Detail

NullLogFilter

public NullLogFilter()

Method Detail

filter

public String filter(String logger,
            String param,
            String value)

Description copied from class: LogFilter

Filters the specified String value.

Specified by:

filter in class LogFilter

Parameters:

logger - the name of the logger, for example "org.xins.common.lowlevel.1050", cannot be null.

param - the name of the parameter, for example "queryString", cannot be null.

value - the original parameter value, can be null.

Returns:

the parameter value to use, possibly modified, can be null.

filter

public Object filter(String logger,
            String param,
            Object value)

Description copied from class: LogFilter

Filters the specified Object value.

Specified by:

filter in class LogFilter

Parameters:

logger - the name of the logger, for example "org.xins.common.lowlevel.1050", cannot be null.

param - the name of the parameter, for example "queryString", cannot be null.

value - the original parameter value, can be null.

Returns:

the parameter value to use, possibly modified, can be null.