sample in the config file
<filter class="org.apache.log4j.varia.FilterOnClasses ">
<param name="ClassList" value=" com.accor.util.sql.SqlTools,
com.accor.OTAebAdmin.bean.partenaires.OTAPartenaires"/>
<param name="MinimumLevel" value="ERROR"/>
</filter>
the class :
package org.apache.log4j.varia;
import java.util.HashSet;
import java.util.StringTokenizer;
import org.apache.log4j.Level;
import org.apache.log4j.spi.Filter;
import org.apache.log4j.spi.LoggingEvent;
/**
* The filter admits two options <b>ClassList</b> et <b>MinimumLevel</b>
* <p>if the log event is in the class list and his level is greater than the
MinimumLevel {@link Filter#ACCEPT}is returned else {@link Filter#DENY} is
returned </p>
* <p>if the log event is not in the class list {@link Filter#NEUTRAL} is
returned
* @author Olivier Lamy
*
*/
public class FilterOnClasses extends Filter {
/** a string contained the class separated by a comma*/
String ClassList;
/** HashSet which contains all the classes to filter */
private HashSet ClassesHashSet;
/** minimum level */
Level minimumLevel;
/**
* Constructor for Log4jFilterOnClass.
*/
/*public Log4jFilterOnClass() {
super();
}*/
/**
* Return the decision of this filter.
* @see org.apache.log4j.spi.Filter#decide(LoggingEvent)
*/
public int decide(LoggingEvent event) {
if (this.ClassesHashSet.contains(event.getLoggerName())) {
/** logger is in the filter list next step test on the level */
if (event.getLevel().isGreaterOrEqual(minimumLevel) == false) return
Filter.DENY;
return Filter.ACCEPT;
}
return Filter.NEUTRAL;
}
/**
* Returns the classList.
* @return String
*/
public String getClassList() {
return ClassList;
}
/**
* Returns the minimumLevel.
* @return Level
*/
public Level getMinimumLevel() {
return minimumLevel;
}
/**
* Sets the classList.
* @param classList The classList to set
*/
public void setClassList(String classList) {
ClassList= classList;
StringTokenizer classesStringTokenizer = new StringTokenizer(classList,",");
this.ClassesHashSet = new HashSet(classesStringTokenizer.countTokens());
while (classesStringTokenizer.hasMoreTokens()) {
this.ClassesHashSet.add(classesStringTokenizer.nextToken().trim());
}
}
/**
* Sets the minimumLevel.
* @param minimumLevel The minimumLevel to set
*/
public void setMinimumLevel(Level minimumLevel) {
this.minimumLevel= minimumLevel;
}
}
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