| /* |
| * Copyright (c) 1997, 2012, Oracle and/or its affiliates. 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.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.ws.spi.db.PropertyAccessor; |
| |
| 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 |
| */ |
| public 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 PropertyAccessor accessor; |
| |
| AsyncBeanValueSetter(ParameterImpl p, Class wrapper) { |
| QName name = p.getName(); |
| try { |
| accessor = p.getOwner().getBindingContext().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; |
| } |
| |
| } |
| |
| } |