SSICommand (Apache Tomcat 9.0.37 API Documentation)

org.apache.catalina.ssi

## Interface SSICommand

- All Known Implementing Classes:
    SSIConditional, SSIConfig, SSIEcho, SSIExec, SSIFlastmod, SSIFsize, SSIInclude, SSIPrintenv, SSISet

      public interface SSICommand

  The interface that all SSI commands ( SSIEcho, SSIInclude, ...) must implement.
  Author:
    Bip Thelin, Dan Sandberg, David Becker

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `long` | `process(SSIMediator ssiMediator, String commandName, String[] paramNames, String[] paramValues, PrintWriter writer)` Write the output of the command to the writer.

- - ### Method Detail

    - #### process

          long process(SSIMediator ssiMediator,
                       String commandName,
                       String[] paramNames,
                       String[] paramValues,
                       PrintWriter writer)
                throws SSIStopProcessingException

      Write the output of the command to the writer.
      Parameters:
        `ssiMediator` - the ssi mediator
        `commandName` - the name of the actual command ( ie. echo )
        `paramNames` - The parameter names
        `paramValues` - The parameter values
        `writer` - the writer to output to
      Returns:
        the most current modified date resulting from any SSI commands
      Throws:
        `SSIStopProcessingException` - if SSI processing should be aborted

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