servlets filters

[temp temp <mi...@yahoo.com>]

  
  
  
  I have a servlet filter which should behave  different for  different ".do's"  and init params are  different for  different  ".do's" .
  
  One way of solving this situation is  below.
  
  
    <filter>
        <filter-name>SearchResultsFilter.CheckIn</filter-name>
      <filter-class>com.reisys.fema.ndsp.web.filter.SearchResultsFilter</filter-class>
      <init-param>
        <param-name>req_attribute_name</param-name>
        <param-value>taskInstances</param-value>
      </init-param>
    </filter>
    <filter-mapping>
      <filter-name>SearchResultsFilter.CheckIn</filter-name>
      <url-pattern>/action/workflow/taskinstance/checkin.do</url-pattern>
    </filter-mapping>
  
    <filter>
        <filter-name>SearchResultsFilter.Assign</filter-name>
      <filter-class>com.reisys.fema.ndsp.web.filter.SearchResultsFilter</filter-class>
      <init-param>
        <param-name>req_attribute_name</param-name>
        <param-value>workInstances</param-value>
      </init-param>
    </filter>
    <filter-mapping>
      <filter-name>SearchResultsFilter.Assign</filter-name>
      <url-pattern>/action/workflow/workinstance/assign.do</url-pattern>
    </filter-mapping>
  
  
  
  
  Other approach is to create an xml or property file with a list of  servlet paths  and their init params  and pass this config  file to filter so that the filters retrieves servlet path from request  matches it with  the servlet path in config file and gets the  param for that    ".do"
  Which is better approach ?
  Than ks & Regards
  
  
		
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