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From Nicko Cadell <ni...@Neoworks.com>
Subject RE: cvs commit: jakarta-log4j/src/java/org/apache/log4j/spi Loggi ngEvent.java
Date Tue, 18 Feb 2003 21:11:41 GMT
I would suggest adding support to the pattern layout to support the logging
event properties.
Syntax like:

%P{name}

Would be sufficient.

Nicko

> -----Original Message-----
> From: ceki@apache.org [mailto:ceki@apache.org] 
> Sent: 18 February 2003 19:58
> To: jakarta-log4j-cvs@apache.org
> Subject: cvs commit: 
> jakarta-log4j/src/java/org/apache/log4j/spi LoggingEvent.java
> 
> 
> ceki        2003/02/18 11:58:10
> 
>   Modified:    src/java/org/apache/log4j/spi LoggingEvent.java
>   Log:
>   Added a property map, similar to the one found in javax.jms.Message.
>   
>   The intention is to let appenders set properties and have 
> layouts access them.
>   
>   Revision  Changes    Path
>   1.35      +27 -0     
> jakarta-log4j/src/java/org/apache/log4j/spi/LoggingEvent.java
>   
>   Index: LoggingEvent.java
>   ===================================================================
>   RCS file: 
> /home/cvs/jakarta-log4j/src/java/org/apache/log4j/spi/LoggingE
> vent.java,v
>   retrieving revision 1.34
>   retrieving revision 1.35
>   diff -u -r1.34 -r1.35
>   --- LoggingEvent.java	21 Oct 2002 23:20:34 -0000	1.34
>   +++ LoggingEvent.java	18 Feb 2003 19:58:09 -0000	1.35
>   @@ -81,6 +81,11 @@
>      /** The mapped diagnostic context (MDC) of logging event. */
>      private Hashtable mdcCopy;
>    
>   +  /** A map of String keys and String values. 
>   +      @since 1.3
>   +   */
>   +  private Hashtable properties;
>   +
>      /** Have we tried to do an NDC lookup? If we did, there 
> is no need
>       *  to do it again.  Note that its value is always false when
>       *  serialized. Thus, a receiving SocketNode will never 
> use it's own
>   @@ -274,6 +279,17 @@
>          }
>        }
>      }
>   +  
>   +  /**
>   +   * Return a previously set property. The return value 
> can be null.
>   +   * @since 1.3
>   +   * */
>   +  public String getProperty(String key) {
>   +    if(properties == null)
>   +      return null;
>   +    else 
>   +      return (String) properties.get(key);
>   +  }
>    
>      public String getRenderedMessage() {
>        if (renderedMessage == null && message != null) {
>   @@ -367,6 +383,17 @@
>        // Make sure that no location info is available to Layouts
>        if (locationInfo == null)
>          locationInfo = new LocationInfo(null, null);
>   +  }
>   +
>   +  /**
>   +   * Set a string property using a key and a string value. 
>   +   * since 1.3
>   +   */
>   +  public void setProperty(String key, String value) {
>   +    if(properties == null) {
>   +      properties = new Hashtable(5); // create a small hashtable
>   +    }
>   +    properties.put(key, value);    
>      }
>    
>      private void writeObject(ObjectOutputStream oos) throws 
> java.io.IOException {
>   
>   
>   
> 
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