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Java > Open Source Codes > org > apache > cocoon > reading > Reader


1 /*
2  * Copyright 1999-2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.apache.cocoon.reading;
17
18 import org.apache.cocoon.ProcessingException;
19 import org.apache.cocoon.sitemap.SitemapModelComponent;
20 import org.apache.cocoon.sitemap.SitemapOutputComponent;
21 import org.xml.sax.SAXException JavaDoc;
22
23 import java.io.IOException JavaDoc;
24
25 /**
26  * A reader can be used to generate binary output for a request.
27  *
28  * @author <a HREF="mailto:Giacomo.Pati@pwr.ch">Giacomo Pati</a>
29  * @version CVS $Id: Reader.java 30932 2004-07-29 17:35:38Z vgritsenko $
30  */
31 public interface Reader extends SitemapModelComponent, SitemapOutputComponent {
32
33     String JavaDoc ROLE = Reader.class.getName();
34
35     /**
36      * Generate the response.
37      */
38     void generate()
39     throws IOException JavaDoc, SAXException JavaDoc, ProcessingException;
40
41     /**
42      * @return the time the read source was last modified or 0 if it is not
43      * possible to detect
44      */
45     long getLastModified();
46 }
47
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