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  * Licensed to the Apache Software Foundation (ASF) under one or more
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  * (the "License"); you may not use this file except in compliance with
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package org.apache.catalina.ssi;
Interface used by SSIMediator to talk to the 'outside world' ( usually a servlet )

Dan Sandberg
$Revision: 515 $, $Date: 2008-03-17 22:02:23 +0100 (Mon, 17 Mar 2008) $
public interface SSIExternalResolver {
Adds any external variables to the variableNames collection.

variableNames the collection to add to
    public void addVariableNames(Collection variableNames);
    public String getVariableValue(String name);

Set the named variable to the specified value. If value is null, then the variable will be removed ( ie. a call to getVariableValue will return null )

name of the variable
value of the variable
    public void setVariableValue(String nameString value);

Returns the current date. This is useful for putting the SSI stuff in a regression test. Since you can make the current date a constant, it makes testing easier since the output won't change.

the data
    public Date getCurrentDate();
    public long getFileSize(String pathboolean virtualthrows IOException;
    public long getFileLastModified(String pathboolean virtual)
            throws IOException;
    public String getFileText(String pathboolean virtualthrows IOException;
    public void log(String messageThrowable throwable);
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