Thu, 31 Aug 2017 15:18:52 +0800
merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | package com.sun.xml.internal.bind.v2.runtime; |
aoqi@0 | 27 | |
aoqi@0 | 28 | import javax.xml.bind.Binder; |
aoqi@0 | 29 | import javax.xml.bind.JAXBElement; |
aoqi@0 | 30 | import javax.xml.bind.JAXBException; |
aoqi@0 | 31 | import javax.xml.bind.PropertyException; |
aoqi@0 | 32 | import javax.xml.bind.ValidationEventHandler; |
aoqi@0 | 33 | import javax.xml.validation.Schema; |
aoqi@0 | 34 | import javax.xml.namespace.QName; |
aoqi@0 | 35 | |
aoqi@0 | 36 | import com.sun.xml.internal.bind.unmarshaller.InfosetScanner; |
aoqi@0 | 37 | import com.sun.xml.internal.bind.v2.runtime.output.DOMOutput; |
aoqi@0 | 38 | import com.sun.xml.internal.bind.v2.runtime.unmarshaller.InterningXmlVisitor; |
aoqi@0 | 39 | import com.sun.xml.internal.bind.v2.runtime.unmarshaller.SAXConnector; |
aoqi@0 | 40 | import com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallerImpl; |
aoqi@0 | 41 | |
aoqi@0 | 42 | import org.w3c.dom.Element; |
aoqi@0 | 43 | import org.w3c.dom.Node; |
aoqi@0 | 44 | import org.xml.sax.SAXException; |
aoqi@0 | 45 | |
aoqi@0 | 46 | /** |
aoqi@0 | 47 | * Implementation of {@link Binder}. |
aoqi@0 | 48 | * |
aoqi@0 | 49 | * TODO: investigate how much in-place unmarshalling is implemented |
aoqi@0 | 50 | * - some preliminary work is there. Probably buggy. |
aoqi@0 | 51 | * TODO: work on the marshaller side. |
aoqi@0 | 52 | * |
aoqi@0 | 53 | * @author |
aoqi@0 | 54 | * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com) |
aoqi@0 | 55 | */ |
aoqi@0 | 56 | public class BinderImpl<XmlNode> extends Binder<XmlNode> { |
aoqi@0 | 57 | |
aoqi@0 | 58 | /** |
aoqi@0 | 59 | * The parent context object. |
aoqi@0 | 60 | */ |
aoqi@0 | 61 | private final JAXBContextImpl context; |
aoqi@0 | 62 | |
aoqi@0 | 63 | /** |
aoqi@0 | 64 | * Lazily created unmarshaller to do XML->Java binding. |
aoqi@0 | 65 | * @see #getUnmarshaller() |
aoqi@0 | 66 | */ |
aoqi@0 | 67 | private UnmarshallerImpl unmarshaller; |
aoqi@0 | 68 | |
aoqi@0 | 69 | /** |
aoqi@0 | 70 | * Lazily create marshaller to do Java->XML binding. |
aoqi@0 | 71 | * @see #getMarshaller() |
aoqi@0 | 72 | */ |
aoqi@0 | 73 | private MarshallerImpl marshaller; |
aoqi@0 | 74 | |
aoqi@0 | 75 | private final InfosetScanner<XmlNode> scanner; |
aoqi@0 | 76 | |
aoqi@0 | 77 | /** |
aoqi@0 | 78 | * A {@link Binder} always works with the same |
aoqi@0 | 79 | * association map. |
aoqi@0 | 80 | */ |
aoqi@0 | 81 | private final AssociationMap<XmlNode> assoc = new AssociationMap<XmlNode>(); |
aoqi@0 | 82 | |
aoqi@0 | 83 | BinderImpl(JAXBContextImpl _context,InfosetScanner<XmlNode> scanner) { |
aoqi@0 | 84 | this.context = _context; |
aoqi@0 | 85 | this.scanner = scanner; |
aoqi@0 | 86 | } |
aoqi@0 | 87 | |
aoqi@0 | 88 | private UnmarshallerImpl getUnmarshaller() { |
aoqi@0 | 89 | if(unmarshaller==null) |
aoqi@0 | 90 | unmarshaller = new UnmarshallerImpl(context,assoc); |
aoqi@0 | 91 | return unmarshaller; |
aoqi@0 | 92 | } |
aoqi@0 | 93 | |
aoqi@0 | 94 | private MarshallerImpl getMarshaller() { |
aoqi@0 | 95 | if(marshaller==null) |
aoqi@0 | 96 | marshaller = new MarshallerImpl(context,assoc); |
aoqi@0 | 97 | return marshaller; |
aoqi@0 | 98 | } |
aoqi@0 | 99 | |
aoqi@0 | 100 | public void marshal(Object jaxbObject, XmlNode xmlNode) throws JAXBException { |
aoqi@0 | 101 | if ((xmlNode == null) || (jaxbObject == null)) |
aoqi@0 | 102 | throw new IllegalArgumentException(); |
aoqi@0 | 103 | getMarshaller().marshal(jaxbObject,createOutput(xmlNode)); |
aoqi@0 | 104 | } |
aoqi@0 | 105 | |
aoqi@0 | 106 | // TODO move this to a sub class once we support something other than W3C DOM |
aoqi@0 | 107 | private DOMOutput createOutput(XmlNode xmlNode) { |
aoqi@0 | 108 | return new DOMOutput((Node)xmlNode,assoc); |
aoqi@0 | 109 | } |
aoqi@0 | 110 | |
aoqi@0 | 111 | |
aoqi@0 | 112 | public Object updateJAXB(XmlNode xmlNode) throws JAXBException { |
aoqi@0 | 113 | return associativeUnmarshal(xmlNode,true,null); |
aoqi@0 | 114 | } |
aoqi@0 | 115 | |
aoqi@0 | 116 | public Object unmarshal( XmlNode xmlNode ) throws JAXBException { |
aoqi@0 | 117 | return associativeUnmarshal(xmlNode,false,null); |
aoqi@0 | 118 | } |
aoqi@0 | 119 | |
aoqi@0 | 120 | public <T> JAXBElement<T> unmarshal(XmlNode xmlNode, Class<T> expectedType) throws JAXBException { |
aoqi@0 | 121 | if(expectedType==null) throw new IllegalArgumentException(); |
aoqi@0 | 122 | return (JAXBElement)associativeUnmarshal(xmlNode,true,expectedType); |
aoqi@0 | 123 | } |
aoqi@0 | 124 | |
aoqi@0 | 125 | public void setSchema(Schema schema) { |
aoqi@0 | 126 | getMarshaller().setSchema(schema); |
aoqi@0 | 127 | getUnmarshaller().setSchema(schema); |
aoqi@0 | 128 | } |
aoqi@0 | 129 | |
aoqi@0 | 130 | public Schema getSchema() { |
aoqi@0 | 131 | return getUnmarshaller().getSchema(); |
aoqi@0 | 132 | } |
aoqi@0 | 133 | |
aoqi@0 | 134 | private Object associativeUnmarshal(XmlNode xmlNode, boolean inplace, Class expectedType) throws JAXBException { |
aoqi@0 | 135 | if (xmlNode == null) |
aoqi@0 | 136 | throw new IllegalArgumentException(); |
aoqi@0 | 137 | |
aoqi@0 | 138 | JaxBeanInfo bi = null; |
aoqi@0 | 139 | if(expectedType!=null) |
aoqi@0 | 140 | bi = context.getBeanInfo(expectedType, true); |
aoqi@0 | 141 | |
aoqi@0 | 142 | InterningXmlVisitor handler = new InterningXmlVisitor( |
aoqi@0 | 143 | getUnmarshaller().createUnmarshallerHandler(scanner,inplace,bi)); |
aoqi@0 | 144 | scanner.setContentHandler(new SAXConnector(handler,scanner.getLocator())); |
aoqi@0 | 145 | try { |
aoqi@0 | 146 | scanner.scan(xmlNode); |
aoqi@0 | 147 | } catch( SAXException e ) { |
aoqi@0 | 148 | throw unmarshaller.createUnmarshalException(e); |
aoqi@0 | 149 | } |
aoqi@0 | 150 | |
aoqi@0 | 151 | return handler.getContext().getResult(); |
aoqi@0 | 152 | } |
aoqi@0 | 153 | |
aoqi@0 | 154 | public XmlNode getXMLNode(Object jaxbObject) { |
aoqi@0 | 155 | if(jaxbObject==null) |
aoqi@0 | 156 | throw new IllegalArgumentException(); |
aoqi@0 | 157 | AssociationMap.Entry<XmlNode> e = assoc.byPeer(jaxbObject); |
aoqi@0 | 158 | if(e==null) return null; |
aoqi@0 | 159 | return e.element(); |
aoqi@0 | 160 | } |
aoqi@0 | 161 | |
aoqi@0 | 162 | public Object getJAXBNode(XmlNode xmlNode) { |
aoqi@0 | 163 | if(xmlNode==null) |
aoqi@0 | 164 | throw new IllegalArgumentException(); |
aoqi@0 | 165 | AssociationMap.Entry e = assoc.byElement(xmlNode); |
aoqi@0 | 166 | if(e==null) return null; |
aoqi@0 | 167 | if(e.outer()!=null) return e.outer(); |
aoqi@0 | 168 | return e.inner(); |
aoqi@0 | 169 | } |
aoqi@0 | 170 | |
aoqi@0 | 171 | public XmlNode updateXML(Object jaxbObject) throws JAXBException { |
aoqi@0 | 172 | return updateXML(jaxbObject,getXMLNode(jaxbObject)); |
aoqi@0 | 173 | } |
aoqi@0 | 174 | |
aoqi@0 | 175 | public XmlNode updateXML(Object jaxbObject, XmlNode xmlNode) throws JAXBException { |
aoqi@0 | 176 | if(jaxbObject==null || xmlNode==null) throw new IllegalArgumentException(); |
aoqi@0 | 177 | |
aoqi@0 | 178 | // TODO |
aoqi@0 | 179 | // for now just marshal |
aoqi@0 | 180 | // TODO: object model independenc |
aoqi@0 | 181 | Element e = (Element)xmlNode; |
aoqi@0 | 182 | Node ns = e.getNextSibling(); |
aoqi@0 | 183 | Node p = e.getParentNode(); |
aoqi@0 | 184 | p.removeChild(e); |
aoqi@0 | 185 | |
aoqi@0 | 186 | // if the type object is passed, the following step is necessary to make |
aoqi@0 | 187 | // the marshalling successful. |
aoqi@0 | 188 | JaxBeanInfo bi = context.getBeanInfo(jaxbObject, true); |
aoqi@0 | 189 | if(!bi.isElement()) |
aoqi@0 | 190 | jaxbObject = new JAXBElement(new QName(e.getNamespaceURI(),e.getLocalName()),bi.jaxbType,jaxbObject); |
aoqi@0 | 191 | |
aoqi@0 | 192 | |
aoqi@0 | 193 | getMarshaller().marshal(jaxbObject,p); |
aoqi@0 | 194 | Node newNode = p.getLastChild(); |
aoqi@0 | 195 | p.removeChild(newNode); |
aoqi@0 | 196 | p.insertBefore(newNode,ns); |
aoqi@0 | 197 | |
aoqi@0 | 198 | return (XmlNode)newNode; |
aoqi@0 | 199 | } |
aoqi@0 | 200 | |
aoqi@0 | 201 | public void setEventHandler(ValidationEventHandler handler) throws JAXBException { |
aoqi@0 | 202 | getUnmarshaller().setEventHandler(handler); |
aoqi@0 | 203 | getMarshaller().setEventHandler(handler); |
aoqi@0 | 204 | } |
aoqi@0 | 205 | |
aoqi@0 | 206 | public ValidationEventHandler getEventHandler() { |
aoqi@0 | 207 | return getUnmarshaller().getEventHandler(); |
aoqi@0 | 208 | } |
aoqi@0 | 209 | |
aoqi@0 | 210 | public Object getProperty(String name) throws PropertyException { |
aoqi@0 | 211 | if (name == null) |
aoqi@0 | 212 | throw new IllegalArgumentException(Messages.NULL_PROPERTY_NAME.format()); |
aoqi@0 | 213 | |
aoqi@0 | 214 | // exclude RI properties that don't make sense for Binder |
aoqi@0 | 215 | if (excludeProperty(name)) { |
aoqi@0 | 216 | throw new PropertyException(name); |
aoqi@0 | 217 | } |
aoqi@0 | 218 | |
aoqi@0 | 219 | Object prop = null; |
aoqi@0 | 220 | PropertyException pe = null; |
aoqi@0 | 221 | |
aoqi@0 | 222 | try { |
aoqi@0 | 223 | prop = getMarshaller().getProperty(name); |
aoqi@0 | 224 | return prop; |
aoqi@0 | 225 | } catch (PropertyException p) { |
aoqi@0 | 226 | pe = p; |
aoqi@0 | 227 | } |
aoqi@0 | 228 | |
aoqi@0 | 229 | try { |
aoqi@0 | 230 | prop = getUnmarshaller().getProperty(name); |
aoqi@0 | 231 | return prop; |
aoqi@0 | 232 | } catch (PropertyException p) { |
aoqi@0 | 233 | pe = p; |
aoqi@0 | 234 | } |
aoqi@0 | 235 | |
aoqi@0 | 236 | pe.setStackTrace(Thread.currentThread().getStackTrace()); |
aoqi@0 | 237 | throw pe; |
aoqi@0 | 238 | } |
aoqi@0 | 239 | |
aoqi@0 | 240 | public void setProperty(String name, Object value) throws PropertyException { |
aoqi@0 | 241 | if (name == null) |
aoqi@0 | 242 | throw new IllegalArgumentException(Messages.NULL_PROPERTY_NAME.format()); |
aoqi@0 | 243 | |
aoqi@0 | 244 | // exclude RI properties that don't make sense for Binder |
aoqi@0 | 245 | if (excludeProperty(name)) { |
aoqi@0 | 246 | throw new PropertyException(name, value); |
aoqi@0 | 247 | } |
aoqi@0 | 248 | |
aoqi@0 | 249 | PropertyException pe = null; |
aoqi@0 | 250 | |
aoqi@0 | 251 | try { |
aoqi@0 | 252 | getMarshaller().setProperty(name, value); |
aoqi@0 | 253 | return; |
aoqi@0 | 254 | } catch (PropertyException p) { |
aoqi@0 | 255 | pe = p; |
aoqi@0 | 256 | } |
aoqi@0 | 257 | |
aoqi@0 | 258 | try { |
aoqi@0 | 259 | getUnmarshaller().setProperty(name, value); |
aoqi@0 | 260 | return; |
aoqi@0 | 261 | } catch (PropertyException p) { |
aoqi@0 | 262 | pe = p; |
aoqi@0 | 263 | } |
aoqi@0 | 264 | |
aoqi@0 | 265 | // replace the stacktrace - we don't want to see a trace |
aoqi@0 | 266 | // originating from Un|Marshaller.setProperty |
aoqi@0 | 267 | pe.setStackTrace(Thread.currentThread().getStackTrace()); |
aoqi@0 | 268 | throw pe; |
aoqi@0 | 269 | } |
aoqi@0 | 270 | |
aoqi@0 | 271 | private boolean excludeProperty(String name) { |
aoqi@0 | 272 | return name.equals( |
aoqi@0 | 273 | MarshallerImpl.ENCODING_HANDLER) || |
aoqi@0 | 274 | name.equals(MarshallerImpl.XMLDECLARATION) || |
aoqi@0 | 275 | name.equals(MarshallerImpl.XML_HEADERS); |
aoqi@0 | 276 | } |
aoqi@0 | 277 | } |