1/*
2 * Copyright (c) 2005, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.xml.internal.stream;
27
28import java.io.InputStream;
29import javax.xml.stream.XMLEventReader;
30import javax.xml.stream.XMLResolver;
31import javax.xml.stream.XMLStreamException;
32import javax.xml.stream.XMLStreamReader;
33import com.sun.org.apache.xerces.internal.xni.XMLResourceIdentifier;
34import com.sun.org.apache.xerces.internal.xni.XNIException;
35import com.sun.org.apache.xerces.internal.xni.parser.XMLInputSource;
36import javax.xml.catalog.CatalogException;
37
38/**
39 *
40 * @author  Neeraj Bajaj
41 */
42public class StaxEntityResolverWrapper {
43
44    XMLResolver fStaxResolver ;
45
46    /** Creates a new instance of StaxEntityResolverWrapper */
47    public StaxEntityResolverWrapper(XMLResolver resolver) {
48        fStaxResolver = resolver ;
49    }
50
51    public void setStaxEntityResolver(XMLResolver resolver ){
52        fStaxResolver = resolver ;
53    }
54
55    public XMLResolver getStaxEntityResolver(){
56        return fStaxResolver ;
57    }
58
59    public StaxXMLInputSource resolveEntity(XMLResourceIdentifier resourceIdentifier)
60    throws XNIException, java.io.IOException {
61        Object object = null ;
62        try {
63            object = fStaxResolver.resolveEntity(resourceIdentifier.getPublicId(), resourceIdentifier.getLiteralSystemId(),
64            resourceIdentifier.getBaseSystemId(), null);
65            return getStaxInputSource(object) ;
66        } catch(XMLStreamException | CatalogException streamException){
67            throw new XNIException(streamException) ;
68        }
69    }
70
71    StaxXMLInputSource getStaxInputSource(Object object){
72        if(object == null) return null ;
73
74        if(object  instanceof java.io.InputStream){
75            return new StaxXMLInputSource(new XMLInputSource(null, null, null, (InputStream)object, null), true);
76        }
77        else if(object instanceof XMLStreamReader){
78            return new StaxXMLInputSource((XMLStreamReader)object, true) ;
79        }else if(object instanceof XMLEventReader){
80            return new StaxXMLInputSource((XMLEventReader)object, true) ;
81        }
82
83        return null ;
84    }
85}//class StaxEntityResolverWrapper
86