src/org/hsqldb/util/preprocessor/IResolver.java

/* Copyright (c) 2001-2007, The HSQL Development Group
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * Neither the name of the HSQL Development Group nor the names of its
 * contributors may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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package org.hsqldb.util.preprocessor;

import java.io.File;

/* $Id: IResolver.java 610 2008-12-22 15:54:18Z unsaved $ */

/**
 * Property and file path resolution contract. <p>
 *
 * Implementations are free to ignore expansion directives and simply
 * pass through expressions and paths unchanged. <p>
 *
 * If an implementation does process expansion directives, recognized forms
 * should at least include the ubiquitous ${...} shell expansion form.
 *
 * @author boucherb@users
 * @version 1.8.1
 * @since 1.8.1
 */
public interface IResolver {
    public String resolveProperties(String expression);
    public File   resolveFile(String path);
}