DocumentLoader


1   /*
2    * Copyright 2002-2006 the original author or authors.
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.springframework.webflow.engine.builder.xml;
17  
18  import java.io.IOException  ;
19  
20  import javax.xml.parsers.ParserConfigurationException  ;
21  
22  import org.springframework.core.io.Resource;
23  import org.w3c.dom.Document  ;
24  import org.xml.sax.SAXException  ;
25  
26  /**
27   * A generic strategy interface encapsulating the logic to load an XML-based document.
28   * 
29   * @author Keith Donald
30   */
31  public interface DocumentLoader {
32      
33      /**
34       * Load the XML-based document from the external resource.
35       * @param resource the document resource
36       * @return the loaded (parsed) document
37       * @throws IOException an exception occured accessing the resource input stream
38       * @throws ParserConfigurationException an exception occured building the document parser
39       * @throws SAXException a error occured during document parsing
40       */
41      public Document   loadDocument(Resource resource) throws IOException  , ParserConfigurationException  , SAXException  ;
42  }

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