aboutsummaryrefslogtreecommitdiff
path: root/src/share/jaxws_classes/com/sun/tools/internal/xjc/reader/xmlschema/bindinfo/AnnotationParserFactoryImpl.java
blob: 9997e0653ac2bfa1b1a422b0145adb6f35dd593e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
/*
 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.sun.tools.internal.xjc.reader.xmlschema.bindinfo;

import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.UnmarshallerHandler;
import javax.xml.bind.helpers.DefaultValidationEventHandler;
import javax.xml.validation.ValidatorHandler;

import com.sun.tools.internal.xjc.Options;
import com.sun.tools.internal.xjc.reader.Const;
import com.sun.xml.internal.xsom.parser.AnnotationContext;
import com.sun.xml.internal.xsom.parser.AnnotationParser;
import com.sun.xml.internal.xsom.parser.AnnotationParserFactory;
import com.sun.xml.internal.bind.v2.WellKnownNamespace;

import org.xml.sax.Attributes;
import org.xml.sax.ContentHandler;
import org.xml.sax.EntityResolver;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.xml.sax.helpers.XMLFilterImpl;

/**
 * Implementation of XSOM {@link AnnotationParserFactory} that
 * parses JAXB customization declarations.
 *
 * @author
 *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
 */
public class AnnotationParserFactoryImpl implements AnnotationParserFactory {
    public AnnotationParserFactoryImpl(Options opts) {
        this.options=opts;
    }

    private final Options options;
    /**
     * Lazily created validator, so that the schema for binding won't be
     * prepared unless absolutely necessary.
     */
    private ValidatorHandler validator;

    public AnnotationParser create() {
        return new AnnotationParser() {
            private Unmarshaller u = BindInfo.getCustomizationUnmarshaller();

            private UnmarshallerHandler handler;

            public ContentHandler getContentHandler(
                AnnotationContext context, String parentElementName,
                final ErrorHandler errorHandler, EntityResolver entityResolver ) {

                // return a ContentHandler that validates the customization and also
                // parses them into the internal structure.
                if(handler!=null)
                    // interface contract violation.
                    // this method will be called only once.
                    throw new AssertionError();

                if(options.debugMode)
                    try {
                        u.setEventHandler(new DefaultValidationEventHandler());
                    } catch (JAXBException e) {
                        throw new AssertionError(e);    // ridiculous!
                    }

                handler = u.getUnmarshallerHandler();

                // configure so that the validator will receive events for JAXB islands
                return new ForkingFilter(handler) {
                    @Override
                    public void startElement(String uri, String localName, String qName, Attributes atts) throws SAXException {
                        super.startElement(uri, localName, qName, atts);
                        if((uri.equals(Const.JAXB_NSURI) || uri.equals(Const.XJC_EXTENSION_URI))
                        && getSideHandler()==null) {
                            // set up validator
                            if(validator==null)
                                validator = BindInfo.bindingFileSchema.newValidator();
                            validator.setErrorHandler(errorHandler);
                            startForking(uri,localName,qName,atts,new ValidatorProtecter(validator));
                        }

                        // check for xmime:expectedContentTypes attributes in annotations and report them
                        for( int i=atts.getLength()-1; i>=0; i-- ) {
                            if(atts.getURI(i).equals(WellKnownNamespace.XML_MIME_URI)
                            && atts.getLocalName(i).equals(Const.EXPECTED_CONTENT_TYPES))
                                errorHandler.warning(new SAXParseException(
                                    com.sun.tools.internal.xjc.reader.xmlschema.Messages.format(
                                        com.sun.tools.internal.xjc.reader.xmlschema.Messages.WARN_UNUSED_EXPECTED_CONTENT_TYPES),
                                    getDocumentLocator()
                                ));
                        }
                    }
                };
            }

            public BindInfo getResult( Object existing ) {
                if(handler==null)
                    // interface contract violation.
                    // the getContentHandler method must have been called.
                    throw new AssertionError();

                try {
                    BindInfo result = (BindInfo)handler.getResult();

                    if(existing!=null) {
                        BindInfo bie = (BindInfo)existing;
                        bie.absorb(result);
                        return bie;
                    } else {
                        if(!result.isPointless())
                            return result;   // just annotation. no meaningful customization
                        else
                            return null;
                    }
                } catch (JAXBException e) {
                    throw new AssertionError(e);
                }
            }
        };
    }

    private static final class ValidatorProtecter extends XMLFilterImpl {
        public ValidatorProtecter(ContentHandler h) {
            setContentHandler(h);
        }

        @Override
        public void startPrefixMapping(String prefix, String uri) throws SAXException {
            // work around a bug in the validator implementation in Tiger
            super.startPrefixMapping(prefix.intern(),uri);
        }
    }
}