Velocity 配置 Log4J 日志输出

boy11-2

[代码] Log4jCategoryExample.java

1. import org.apache.log4j.BasicConfigurator;
   
2. import org.apache.log4j.Category;
   
3. import org.apache.velocity.app.VelocityEngine;
   
4. import org.apache.velocity.runtime.RuntimeConstants;
   
5. 
   
6. public class Log4jCategoryExample
   
7. {
   
8.     public static String CATEGORY_NAME = "velexample";
   
9. 
   
10.     public static void main( String args[] )
    
11.         throws Exception
    
12.     {
    
13.         //configure log4j to log to console
    
14.         BasicConfigurator.configure();
    
15. 
    
16.         Category log = Category.getInstance( CATEGORY_NAME );
    
17. 
    
18.         log.info("Hello from Log4jCategoryExample - ready to start velocity");
    
19. 
    
20.         VelocityEngine ve = new VelocityEngine();
    
21. 
    
22.         ve.setProperty( RuntimeConstants.RUNTIME_LOG_LOGSYSTEM_CLASS,
    
23.             "org.apache.velocity.runtime.log.SimpleLog4JLogSystem" );
    
24. 
    
25.         ve.setProperty("runtime.log.logsystem.log4j.category", CATEGORY_NAME);
    
26. 
    
27.         ve.init();
    
28. 
    
29.         log.info("this should follow the initialization output from velocity");
    
30.     }
    
31. }

复制代码

so_brave

学习了