log objects and use the values separately in the appenders with conversion pattern

[Joerg Eggink]

Dear All
Is it possible to log for example a object with 3 strings and refer it 
later in PatternLayout with e.g %m1 %m2 %m3 ?

Below there is some dummy code.
Thanks in advance for any hint.
Best Regards
Joerg

Example dummy code:
----------------------
class MESSAGE{
public String a;
public String b;
public String c;
public message (String a, String b, String c)
{
this.a = a;
this.b = b;
this.c = c;
}
}
-----------------
somewhere in the program
....
MESSAGE message new MESSAGE ("hello", "log", "reader");
....
logger.getLogger(CategoryName).log(WRAPPER_FQN, Level.INFO, message,null);
....
----------------
in the log4j.xml
 <appender ...>
   <layout class="org.apache.log4j.PatternLayout">
     <param name="ConversionPattern"
      value="%m1 %m2 %m3)" />
  </layout>
....
----------------
As output from the appender
hello log reader






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