aoqi@0: /* aoqi@0: * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. aoqi@0: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. aoqi@0: * aoqi@0: * This code is free software; you can redistribute it and/or modify it aoqi@0: * under the terms of the GNU General Public License version 2 only, as aoqi@0: * published by the Free Software Foundation. Oracle designates this aoqi@0: * particular file as subject to the "Classpath" exception as provided aoqi@0: * by Oracle in the LICENSE file that accompanied this code. aoqi@0: * aoqi@0: * This code is distributed in the hope that it will be useful, but WITHOUT aoqi@0: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or aoqi@0: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License aoqi@0: * version 2 for more details (a copy is included in the LICENSE file that aoqi@0: * accompanied this code). aoqi@0: * aoqi@0: * You should have received a copy of the GNU General Public License version aoqi@0: * 2 along with this work; if not, write to the Free Software Foundation, aoqi@0: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. aoqi@0: * aoqi@0: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA aoqi@0: * or visit www.oracle.com if you need additional information or have any aoqi@0: * questions. aoqi@0: */ aoqi@0: aoqi@0: package com.sun.xml.internal.bind.v2.runtime.unmarshaller; aoqi@0: aoqi@0: import javax.xml.namespace.QName; aoqi@0: aoqi@0: import com.sun.xml.internal.bind.DatatypeConverterImpl; aoqi@0: import com.sun.xml.internal.bind.v2.WellKnownNamespace; aoqi@0: import com.sun.xml.internal.bind.v2.runtime.JaxBeanInfo; aoqi@0: import com.sun.istack.internal.Nullable; aoqi@0: aoqi@0: import java.util.Collection; aoqi@0: import java.util.Collections; aoqi@0: import java.util.HashSet; aoqi@0: import org.xml.sax.Attributes; aoqi@0: import org.xml.sax.SAXException; aoqi@0: aoqi@0: /** aoqi@0: * Looks at @xsi:type and forwards to the right {@link Loader}. aoqi@0: * aoqi@0: * @author Kohsuke Kawaguchi aoqi@0: */ aoqi@0: public class XsiTypeLoader extends Loader { aoqi@0: aoqi@0: /** aoqi@0: * Use this when no @xsi:type was found. aoqi@0: */ aoqi@0: private final JaxBeanInfo defaultBeanInfo; aoqi@0: aoqi@0: public XsiTypeLoader(JaxBeanInfo defaultBeanInfo) { aoqi@0: super(true); aoqi@0: this.defaultBeanInfo = defaultBeanInfo; aoqi@0: } aoqi@0: aoqi@0: public void startElement(UnmarshallingContext.State state, TagName ea) throws SAXException { aoqi@0: JaxBeanInfo beanInfo = parseXsiType(state,ea,defaultBeanInfo); aoqi@0: if(beanInfo==null) aoqi@0: beanInfo = defaultBeanInfo; aoqi@0: aoqi@0: Loader loader = beanInfo.getLoader(null,false); aoqi@0: state.loader = loader; aoqi@0: loader.startElement(state,ea); aoqi@0: } aoqi@0: aoqi@0: /*pacakge*/ static JaxBeanInfo parseXsiType(UnmarshallingContext.State state, TagName ea, @Nullable JaxBeanInfo defaultBeanInfo) throws SAXException { aoqi@0: UnmarshallingContext context = state.getContext(); aoqi@0: JaxBeanInfo beanInfo = null; aoqi@0: aoqi@0: // look for @xsi:type aoqi@0: Attributes atts = ea.atts; aoqi@0: int idx = atts.getIndex(WellKnownNamespace.XML_SCHEMA_INSTANCE,"type"); aoqi@0: aoqi@0: if(idx>=0) { aoqi@0: // we'll consume the value only when it's a recognized value, aoqi@0: // so don't consume it just yet. aoqi@0: String value = atts.getValue(idx); aoqi@0: aoqi@0: QName type = DatatypeConverterImpl._parseQName(value,context); aoqi@0: if(type==null) { aoqi@0: reportError(Messages.NOT_A_QNAME.format(value),true); aoqi@0: } else { aoqi@0: if(defaultBeanInfo!=null && defaultBeanInfo.getTypeNames().contains(type)) aoqi@0: // if this xsi:type is something that the default type can already handle, aoqi@0: // let it do so. This is added as a work around to bug https://jax-ws.dev.java.net/issues/show_bug.cgi?id=195 aoqi@0: // where a redundant xsi:type="xs:dateTime" causes JAXB to unmarshal XMLGregorianCalendar, aoqi@0: // where Date is expected. aoqi@0: // this is not a complete fix, as we still won't be able to handle simple type substitution in general, aoqi@0: // but none-the-less aoqi@0: return defaultBeanInfo; aoqi@0: aoqi@0: beanInfo = context.getJAXBContext().getGlobalType(type); aoqi@0: if(beanInfo==null) { // let's report an error aoqi@0: if (context.parent.hasEventHandler() // is somebody listening? aoqi@0: && context.shouldErrorBeReported()) { // should we report error? aoqi@0: String nearest = context.getJAXBContext().getNearestTypeName(type); aoqi@0: if(nearest!=null) aoqi@0: reportError(Messages.UNRECOGNIZED_TYPE_NAME_MAYBE.format(type,nearest),true); aoqi@0: else aoqi@0: reportError(Messages.UNRECOGNIZED_TYPE_NAME.format(type),true); aoqi@0: } aoqi@0: } aoqi@0: // TODO: resurrect the following check aoqi@0: // else aoqi@0: // if(!target.isAssignableFrom(actual)) { aoqi@0: // reportError(context, aoqi@0: // Messages.UNSUBSTITUTABLE_TYPE.format(value,actual.getName(),target.getName()), aoqi@0: // true); aoqi@0: // actual = targetBeanInfo; // ditto aoqi@0: // } aoqi@0: } aoqi@0: } aoqi@0: return beanInfo; aoqi@0: } aoqi@0: aoqi@0: static final QName XsiTypeQNAME = new QName(WellKnownNamespace.XML_SCHEMA_INSTANCE,"type"); aoqi@0: aoqi@0: @Override aoqi@0: public Collection getExpectedAttributes() { aoqi@0: final Collection expAttrs = new HashSet(); aoqi@0: expAttrs.addAll(super.getExpectedAttributes()); aoqi@0: expAttrs.add(XsiTypeQNAME); aoqi@0: return Collections.unmodifiableCollection(expAttrs); aoqi@0: } aoqi@0: }