Mercurial > hg > release > icedtea7-forest-2.1 > jaxws
view sources/jaxws_src/src/com/sun/xml/internal/ws/client/sei/ValueSetter.java @ 282:78c175236707
Update to jdk7-jaxws-2009_09_28.zip
author | andrew |
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date | Thu, 22 Sep 2011 02:57:13 +0100 |
parents | c608b38af726 |
children | 2a5e9984bdb8 |
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/* * Copyright 2005-2006 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Sun designates this * particular file as subject to the "Classpath" exception as provided * by Sun in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. */ package com.sun.xml.internal.ws.client.sei; import com.sun.xml.internal.ws.api.model.Parameter; import com.sun.xml.internal.ws.model.ParameterImpl; import com.sun.xml.internal.bind.api.RawAccessor; import javax.xml.ws.Holder; import javax.xml.ws.WebServiceException; import javax.xml.namespace.QName; import javax.xml.bind.JAXBException; /** * Moves a Java value unmarshalled from a response message * to the right place. * * <p> * Sometimes values are returned as a return value, and * others are returned in the {@link Holder} value. Instances * of this interface abstracts this detail. * * <p> * {@link ValueSetter} is a stateless behavior encapsulation. * * @author Kohsuke Kawaguchi */ abstract class ValueSetter { private ValueSetter() {} /** * Moves the value to the expected place. * * @param obj * The unmarshalled object. * @param args * The arguments given to the Java method invocation. If <tt>obj</tt> * is supposed to be returned as a {@link Holder} value, a suitable * {@link Holder} is obtained from this argument list and <tt>obj</tt> * is set. * * @return * if <tt>obj</tt> is supposed to be returned as a return value * from the method, this method returns <tt>obj</tt>. Otherwise null. */ abstract Object put(Object obj, Object[] args); /** * Singleton instance. */ private static final ValueSetter RETURN_VALUE = new ReturnValue(); /** * {@link Param}s with small index numbers are used often, * so we pool them to reduce the footprint. */ private static final ValueSetter[] POOL = new ValueSetter[16]; static { for( int i=0; i<POOL.length; i++ ) POOL[i] = new Param(i); } /** * Returns a {@link ValueSetter} suitable for the given {@link Parameter}. */ static ValueSetter getSync(ParameterImpl p) { int idx = p.getIndex(); if(idx==-1) return RETURN_VALUE; if(idx<POOL.length) return POOL[idx]; else return new Param(idx); } private static final class ReturnValue extends ValueSetter { Object put(Object obj, Object[] args) { return obj; } } static final class Param extends ValueSetter { /** * Index of the argument to put the value to. */ private final int idx; public Param(int idx) { this.idx = idx; } Object put(Object obj, Object[] args) { Object arg = args[idx]; if(arg!=null) { // we build model in such a way that this is guaranteed assert arg instanceof Holder; ((Holder)arg).value = obj; } // else { // if null is given as a Holder, there's no place to return // the value, so just ignore. // } // no value to return return null; } } /** * Singleton instance. */ static final ValueSetter SINGLE_VALUE = new SingleValue(); /** * Used in case of async invocation, where there is only one OUT parameter */ private static final class SingleValue extends ValueSetter { /** * Set args[0] as the value */ Object put(Object obj, Object[] args) { args[0] = obj; return null; } } /** * OUT parameters are set in async bean */ static final class AsyncBeanValueSetter extends ValueSetter { private final RawAccessor accessor; AsyncBeanValueSetter(ParameterImpl p, Class wrapper) { QName name = p.getName(); try { accessor = p.getOwner().getJAXBContext().getElementPropertyAccessor( wrapper, name.getNamespaceURI(), name.getLocalPart() ); } catch (JAXBException e) { throw new WebServiceException( // TODO: i18n wrapper+" do not have a property of the name "+name,e); } } /** * Sets the property in async bean instance * * @param obj property in async bean * @param args args[0] contains async bean instance * @return null always */ Object put(Object obj, Object[] args) { assert args != null; assert args.length == 1; assert args[0] != null; Object bean = args[0]; try { accessor.set(bean, obj); } catch (Exception e) { throw new WebServiceException(e); // TODO:i18n } return null; } } }