65 lines
2.7 KiB
Java
65 lines
2.7 KiB
Java
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/*
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* Janino - An embedded Java[TM] compiler
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*
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* Copyright (c) 2001-2010, Arno Unkrig
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
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* following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the
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* following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.codehaus.janino.util.resource;
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import java.io.IOException;
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import java.io.InputStream;
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/**
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* A {@link Resource} is "something" that is typically found by a
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* {@link org.codehaus.janino.util.resource.ResourceFinder}, can be {@link #open()}ed for
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* reading, and optionally has a {@link #lastModified()} property.
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* <p>
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* There also exists a {@link org.codehaus.janino.util.resource.ResourceCreator} concept which
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* opens a resource for writing, but that happens directly and not through an intermediate
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* {@link Resource} object.
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*
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* @see org.codehaus.janino.util.resource.ResourceFinder
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* @see org.codehaus.janino.util.resource.ResourceCreator
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*/
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public
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interface Resource {
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/** Opens the resource. The caller is responsible for closing the {@link java.io.InputStream}. */
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InputStream open() throws IOException;
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/**
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* Returns a decorative "file name" that can be used for reporting
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* errors and the like. It does not necessarily map to a file in the
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* local file system!
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*/
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String getFileName();
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/**
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* Returns the time of the last modification, in milliseconds since
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* 1970, or <code>0L</code> if the time of the last modification cannot
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* be determined.
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*/
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long lastModified();
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}
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