Source Code Cross Referenced for XmlMapping.java in  » EJB-Server-resin-3.1.5 » extra » com » caucho » jaxb » mapping » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server resin 3.1.5 » extra » com.caucho.jaxb.mapping 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (c) 1998-2007 Caucho Technology -- all rights reserved
003:         *
004:         * This file is part of Resin(R) Open Source
005:         *
006:         * Each copy or derived work must preserve the copyright notice and this
007:         * notice unmodified.
008:         *
009:         * Resin Open Source is free software; you can redistribute it and/or modify
010:         * it under the terms of the GNU General Public License as published by
011:         * the Free Software Foundation; either version 2 of the License, or
012:         * (at your option) any later version.
013:         *
014:         * Resin Open Source is distributed in the hope that it will be useful,
015:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
016:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017:         * of NON-INFRINGEMENT.  See the GNU General Public License for more
018:         * details.
019:         *
020:         * You should have received a copy of the GNU General Public License
021:         * along with Resin Open Source; if not, write to the
022:         *
023:         *   Free Software Foundation, Inc.
024:         *   59 Temple Place, Suite 330
025:         *   Boston, MA 02111-1307  USA
026:         *
027:         * @author Emil Ong
028:         */
029:
030:        package com.caucho.jaxb.mapping;
031:
032:        import com.caucho.jaxb.BinderImpl;
033:        import com.caucho.jaxb.JAXBContextImpl;
034:        import com.caucho.jaxb.JAXBUtil;
035:        import com.caucho.jaxb.NodeIterator;
036:        import com.caucho.jaxb.accessor.Accessor;
037:        import com.caucho.jaxb.property.Property;
038:        import com.caucho.jaxb.skeleton.ClassSkeleton;
039:        import com.caucho.util.L10N;
040:        import com.caucho.xml.stream.StaxUtil;
041:
042:        import org.w3c.dom.Node;
043:
044:        import static javax.xml.XMLConstants.*;
045:
046:        import javax.xml.bind.JAXBElement;
047:        import javax.xml.bind.JAXBException;
048:        import javax.xml.bind.Marshaller;
049:        import javax.xml.bind.Unmarshaller;
050:        import javax.xml.bind.UnmarshalException;
051:
052:        import javax.xml.bind.annotation.XmlAnyAttribute;
053:        import javax.xml.bind.annotation.XmlAnyElement;
054:        import javax.xml.bind.annotation.XmlAttribute;
055:        import javax.xml.bind.annotation.XmlElement;
056:        import javax.xml.bind.annotation.XmlElementRef;
057:        import javax.xml.bind.annotation.XmlElements;
058:        import javax.xml.bind.annotation.XmlElementWrapper;
059:        import javax.xml.bind.annotation.XmlID;
060:        import javax.xml.bind.annotation.XmlIDREF;
061:        import javax.xml.bind.annotation.XmlList;
062:        import javax.xml.bind.annotation.XmlMimeType;
063:        import javax.xml.bind.annotation.XmlNsForm;
064:        import javax.xml.bind.annotation.XmlSchema;
065:        import javax.xml.bind.annotation.XmlSchemaType;
066:        import javax.xml.bind.annotation.XmlSchemaTypes;
067:        import javax.xml.bind.annotation.XmlType;
068:        import javax.xml.bind.annotation.XmlValue;
069:
070:        import javax.xml.namespace.QName;
071:
072:        import javax.xml.stream.XMLStreamException;
073:        import javax.xml.stream.XMLStreamReader;
074:        import javax.xml.stream.XMLStreamWriter;
075:
076:        import java.io.IOException;
077:        import java.lang.annotation.Annotation;
078:        import java.util.ArrayList;
079:        import java.util.Comparator;
080:        import java.util.Map;
081:
082:        public abstract class XmlMapping implements  Namer {
083:            private static final L10N L = new L10N(XmlMapping.class);
084:
085:            public static final String XML_SCHEMA_PREFIX = "xsd";
086:            public static final String XML_INSTANCE_PREFIX = "xsi";
087:            public static final String XML_MIME_NS = "http://www.w3.org/2005/05/xmlmime";
088:
089:            protected static boolean _generateRICompatibleSchema = true;
090:
091:            protected Accessor _accessor;
092:            protected JAXBContextImpl _context;
093:            protected Property _property;
094:            protected boolean _nillable;
095:
096:            protected XmlMapping() {
097:            }
098:
099:            protected XmlMapping(JAXBContextImpl context, Accessor accessor) {
100:                _context = context;
101:                _accessor = accessor;
102:            }
103:
104:            public static final Comparator<XmlMapping> nameComparator = new Comparator<XmlMapping>() {
105:                public int compare(XmlMapping a1, XmlMapping a2) {
106:                    return a1._accessor.getName().compareTo(
107:                            a2._accessor.getName());
108:                }
109:
110:                public boolean equals(Object o) {
111:                    return this  == o;
112:                }
113:            };
114:
115:            public static void setGenerateRICompatibleSchema(boolean compatible) {
116:                _generateRICompatibleSchema = compatible;
117:            }
118:
119:            public static XmlMapping newInstance(JAXBContextImpl context,
120:                    Accessor accessor) throws JAXBException {
121:                XmlAnyAttribute xmlAnyAttribute = accessor
122:                        .getAnnotation(XmlAnyAttribute.class);
123:                XmlAnyElement xmlAnyElement = accessor
124:                        .getAnnotation(XmlAnyElement.class);
125:                XmlAttribute xmlAttribute = accessor
126:                        .getAnnotation(XmlAttribute.class);
127:                XmlElement xmlElement = accessor
128:                        .getAnnotation(XmlElement.class);
129:                XmlElementRef xmlElementRef = accessor
130:                        .getAnnotation(XmlElementRef.class);
131:                XmlElements xmlElements = accessor
132:                        .getAnnotation(XmlElements.class);
133:                XmlID xmlID = accessor.getAnnotation(XmlID.class);
134:                XmlIDREF xmlIDREF = accessor.getAnnotation(XmlIDREF.class);
135:                XmlValue xmlValue = accessor.getAnnotation(XmlValue.class);
136:
137:                // jaxb/02d1
138:                if (xmlID != null && !String.class.equals(accessor.getType()))
139:                    throw new JAXBException(
140:                            L
141:                                    .l(
142:                                            "Fields or properties annotated with XmlID must have type String: {0}",
143:                                            accessor));
144:
145:                // check for conflicting annotations
146:                Annotation[] annotations = new Annotation[] { xmlAnyAttribute,
147:                        xmlAnyElement, xmlAttribute, xmlElement, xmlElementRef,
148:                        xmlElements, xmlIDREF, xmlValue };
149:
150:                int count = 0;
151:                StringBuilder sb = new StringBuilder();
152:
153:                for (int i = 0; i < annotations.length; i++) {
154:                    if (annotations[i] != null) {
155:                        count++;
156:                        sb.append("@" + annotations[i].getClass().getName());
157:                        sb.append(", ");
158:                    }
159:                }
160:
161:                if (count > 1) {
162:                    throw new JAXBException(
163:                            L
164:                                    .l(
165:                                            "Annotations {0} cannot be used together on a single field or property",
166:                                            sb.toString()));
167:                }
168:
169:                if (xmlValue != null)
170:                    return new XmlValueMapping(context, accessor);
171:
172:                else if (xmlAnyAttribute != null)
173:                    return new AnyAttributeMapping(context, accessor);
174:
175:                else if (xmlAttribute != null)
176:                    return new AttributeMapping(context, accessor);
177:
178:                else if (xmlElementRef != null)
179:                    return new ElementRefMapping(context, accessor);
180:
181:                else if (xmlElements != null)
182:                    return new ElementsMapping(context, accessor);
183:
184:                else if (xmlAnyElement != null)
185:                    return new AnyElementMapping(context, accessor);
186:
187:                else
188:                    return new ElementMapping(context, accessor);
189:            }
190:
191:            // accessor methods
192:
193:            public Accessor getAccessor() {
194:                return _accessor;
195:            }
196:
197:            public QName getSchemaType() {
198:                return _property.getSchemaType();
199:            }
200:
201:            // utility methods
202:
203:            public void putQNames(Map<QName, XmlMapping> map)
204:                    throws JAXBException {
205:            }
206:
207:            protected QName qnameFromXmlElement(XmlElement element) {
208:                String name = _accessor.getName();
209:                String namespace = null;
210:
211:                XmlSchema xmlSchema = _accessor
212:                        .getPackageAnnotation(XmlSchema.class);
213:
214:                if (xmlSchema != null
215:                        && xmlSchema.elementFormDefault() == XmlNsForm.QUALIFIED)
216:                    namespace = xmlSchema.namespace();
217:
218:                if (!element.name().equals("##default"))
219:                    name = element.name();
220:
221:                if (!element.namespace().equals("##default"))
222:                    namespace = element.namespace();
223:
224:                if (namespace == null)
225:                    return new QName(name);
226:                else
227:                    return new QName(namespace, name);
228:            }
229:
230:            // output methods
231:
232:            public void write(Marshaller m, XMLStreamWriter out, Object obj)
233:                    throws IOException, JAXBException, XMLStreamException {
234:                Object value = _accessor.get(obj);
235:
236:                ArrayList<XmlMapping> attributes = null;
237:
238:                if (value == null && _nillable) {
239:                    attributes = new ArrayList<XmlMapping>();
240:                    attributes.add(NilWrapper.INSTANCE);
241:                }
242:
243:                // XXX: interface/enum
244:                if (_property != null)
245:                    _property.write(m, out, value, this , obj, attributes);
246:            }
247:
248:            public void write(Marshaller m, XMLStreamWriter out, Object obj,
249:                    ArrayList<XmlMapping> attributes) throws IOException,
250:                    JAXBException, XMLStreamException {
251:                Object value = _accessor.get(obj);
252:
253:                if (value == null && _nillable) {
254:                    if (attributes == null)
255:                        attributes = new ArrayList<XmlMapping>();
256:
257:                    attributes.add(NilWrapper.INSTANCE);
258:                }
259:
260:                _property.write(m, out, value, this , obj, attributes);
261:            }
262:
263:            public Node bindTo(BinderImpl binder, Node node, Object obj)
264:                    throws IOException, JAXBException {
265:                return _property.bindTo(binder, node, _accessor.get(obj), this );
266:            }
267:
268:            // input methods
269:
270:            public void readAttribute(XMLStreamReader in, int i, Object parent)
271:                    throws IOException, XMLStreamException, JAXBException {
272:                throw new UnsupportedOperationException(
273:                        L
274:                                .l(
275:                                        "Internal JAXB error: this field or property does not map to an attribute {0}",
276:                                        _accessor));
277:            }
278:
279:            public void read(Unmarshaller u, XMLStreamReader in, Object parent,
280:                    ClassSkeleton attributed) throws IOException,
281:                    XMLStreamException, JAXBException {
282:                Object value = _property.read(u, in, _accessor.get(parent),
283:                        attributed, parent);
284:
285:                _accessor.set(parent, value);
286:            }
287:
288:            public void read(Unmarshaller u, XMLStreamReader in, Object parent)
289:                    throws IOException, XMLStreamException, JAXBException {
290:                Object value = _property.read(u, in, _accessor.get(parent));
291:                _accessor.set(parent, value);
292:            }
293:
294:            public void bindFrom(BinderImpl binder, NodeIterator node,
295:                    Object obj) throws IOException, JAXBException {
296:                Object value = _property.bindFrom(binder, node, _accessor
297:                        .get(obj));
298:                _accessor.set(obj, value);
299:            }
300:
301:            // abstract methods
302:
303:            public abstract QName getQName(Object obj) throws JAXBException;
304:
305:            public abstract void generateSchema(XMLStreamWriter out)
306:                    throws JAXBException, XMLStreamException;
307:
308:        }
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