1 /* 2 * Copyright (c) 1997, 2014, 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 26 package com.sun.xml.internal.bind.v2.runtime.unmarshaller; 27 28 import java.util.Collection; 29 30 import javax.xml.namespace.QName; 31 32 import com.sun.xml.internal.bind.DatatypeConverterImpl; 33 import com.sun.xml.internal.bind.v2.WellKnownNamespace; 34 import com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl; 35 import com.sun.xml.internal.bind.v2.runtime.JaxBeanInfo; 36 import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor; 37 import com.sun.xml.internal.bind.v2.runtime.reflect.TransducedAccessor; 38 39 import org.xml.sax.Attributes; 40 import org.xml.sax.SAXException; 41 42 public final class LeafPropertyXsiLoader extends Loader { 43 44 private final Loader defaultLoader; 45 private final TransducedAccessor xacc; 46 private final Accessor acc; 47 LeafPropertyXsiLoader(Loader defaultLoader, TransducedAccessor xacc, Accessor acc)48 public LeafPropertyXsiLoader(Loader defaultLoader, TransducedAccessor xacc, Accessor acc) { 49 this.defaultLoader = defaultLoader; 50 this.expectText = true; 51 this.xacc = xacc; 52 this.acc = acc; 53 } 54 55 56 @Override startElement(UnmarshallingContext.State state, TagName ea)57 public void startElement(UnmarshallingContext.State state, TagName ea) throws SAXException { 58 final Loader loader = selectLoader(state, ea); 59 state.setLoader(loader); 60 loader.startElement(state, ea); 61 } 62 selectLoader(UnmarshallingContext.State state, TagName ea)63 protected Loader selectLoader(UnmarshallingContext.State state, TagName ea) throws SAXException { 64 65 UnmarshallingContext context = state.getContext(); 66 JaxBeanInfo beanInfo = null; 67 68 // look for @xsi:type 69 Attributes atts = ea.atts; 70 int idx = atts.getIndex(WellKnownNamespace.XML_SCHEMA_INSTANCE, "type"); 71 72 if (idx >= 0) { 73 String value = atts.getValue(idx); 74 75 QName type = DatatypeConverterImpl._parseQName(value, context); 76 77 if (type == null) 78 return defaultLoader; 79 80 beanInfo = context.getJAXBContext().getGlobalType(type); 81 if (beanInfo == null) 82 return defaultLoader; 83 ClassBeanInfoImpl cbii; 84 try { 85 cbii = (ClassBeanInfoImpl) beanInfo; 86 } catch (ClassCastException cce) { 87 return defaultLoader; 88 } 89 90 if (null == cbii.getTransducer()) { 91 return defaultLoader; 92 } 93 94 return new LeafPropertyLoader( 95 new TransducedAccessor.CompositeTransducedAccessorImpl( 96 state.getContext().getJAXBContext(), 97 cbii.getTransducer(), 98 acc)); 99 } 100 101 return defaultLoader; 102 } 103 104 @Override getExpectedChildElements()105 public Collection<QName> getExpectedChildElements() { 106 return defaultLoader.getExpectedChildElements(); 107 } 108 109 @Override getExpectedAttributes()110 public Collection<QName> getExpectedAttributes() { 111 return defaultLoader.getExpectedAttributes(); 112 } 113 } 114