001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common Development
008: * and Distribution License("CDDL") (collectively, the "License"). You
009: * may not use this file except in compliance with the License. You can obtain
010: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
011: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
012: * language governing permissions and limitations under the License.
013: *
014: * When distributing the software, include this License Header Notice in each
015: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
016: * Sun designates this particular file as subject to the "Classpath" exception
017: * as provided by Sun in the GPL Version 2 section of the License file that
018: * accompanied this code. If applicable, add the following below the License
019: * Header, with the fields enclosed by brackets [] replaced by your own
020: * identifying information: "Portions Copyrighted [year]
021: * [name of copyright owner]"
022: *
023: * Contributor(s):
024: *
025: * If you wish your version of this file to be governed by only the CDDL or
026: * only the GPL Version 2, indicate your decision by adding "[Contributor]
027: * elects to include this software in this distribution under the [CDDL or GPL
028: * Version 2] license." If you don't indicate a single choice of license, a
029: * recipient has the option to distribute your version of this file under
030: * either the CDDL, the GPL Version 2 or to extend the choice of license to
031: * its licensees as provided above. However, if you add GPL Version 2 code
032: * and therefore, elected the GPL Version 2 license, then the option applies
033: * only if the new code is made subject to such option by the copyright
034: * holder.
035: */
036:
037: package com.sun.xml.bind.v2.runtime.reflect;
038:
039: import javax.xml.bind.annotation.adapters.XmlAdapter;
040:
041: import com.sun.xml.bind.api.AccessorException;
042: import com.sun.xml.bind.v2.ClassFactory;
043: import com.sun.xml.bind.v2.model.core.Adapter;
044: import com.sun.xml.bind.v2.runtime.Coordinator;
045:
046: /**
047: * {@link Accessor} that adapts the value by using {@link Adapter}.
048: *
049: * @see Accessor#adapt
050: * @author Kohsuke Kawaguchi
051: */
052: final class AdaptedAccessor<BeanT, InMemValueT, OnWireValueT> extends
053: Accessor<BeanT, OnWireValueT> {
054: private final Accessor<BeanT, InMemValueT> core;
055: private final Class<? extends XmlAdapter<OnWireValueT, InMemValueT>> adapter;
056:
057: /*pacakge*/AdaptedAccessor(
058: Class<OnWireValueT> targetType,
059: Accessor<BeanT, InMemValueT> extThis,
060: Class<? extends XmlAdapter<OnWireValueT, InMemValueT>> adapter) {
061: super (targetType);
062: this .core = extThis;
063: this .adapter = adapter;
064: }
065:
066: @Override
067: public boolean isAdapted() {
068: return true;
069: }
070:
071: public OnWireValueT get(BeanT bean) throws AccessorException {
072: InMemValueT v = core.get(bean);
073:
074: XmlAdapter<OnWireValueT, InMemValueT> a = getAdapter();
075: try {
076: return a.marshal(v);
077: } catch (Exception e) {
078: throw new AccessorException(e);
079: }
080: }
081:
082: public void set(BeanT bean, OnWireValueT o)
083: throws AccessorException {
084: XmlAdapter<OnWireValueT, InMemValueT> a = getAdapter();
085: try {
086: core.set(bean, a.unmarshal(o));
087: } catch (Exception e) {
088: throw new AccessorException(e);
089: }
090: }
091:
092: public Object getUnadapted(BeanT bean) throws AccessorException {
093: return core.getUnadapted(bean);
094: }
095:
096: public void setUnadapted(BeanT bean, Object value)
097: throws AccessorException {
098: core.setUnadapted(bean, value);
099: }
100:
101: /**
102: * Sometimes Adapters are used directly by JAX-WS outside any
103: * {@link Coordinator}. Use this lazily-created cached
104: * {@link XmlAdapter} in such cases.
105: */
106: private XmlAdapter<OnWireValueT, InMemValueT> staticAdapter;
107:
108: private XmlAdapter<OnWireValueT, InMemValueT> getAdapter() {
109: Coordinator coordinator = Coordinator._getInstance();
110: if (coordinator != null)
111: return coordinator.getAdapter(adapter);
112: else {
113: synchronized (this) {
114: if (staticAdapter == null)
115: staticAdapter = ClassFactory.create(adapter);
116: }
117: return staticAdapter;
118: }
119: }
120: }
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