1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/jaxws_classes/com/sun/xml/internal/ws/server/sei/ValueGetter.java Tue Mar 06 16:09:35 2012 -0800
1.3 @@ -0,0 +1,92 @@
1.4 +/*
1.5 + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +
1.29 +package com.sun.xml.internal.ws.server.sei;
1.30 +
1.31 +import com.sun.xml.internal.ws.model.ParameterImpl;
1.32 +import com.sun.xml.internal.ws.api.model.Parameter;
1.33 +
1.34 +import javax.jws.WebParam.Mode;
1.35 +import javax.xml.ws.Holder;
1.36 +
1.37 +/**
1.38 + * Gets a value from an object that represents a parameter passed
1.39 + * as a method argument.
1.40 + *
1.41 + * <p>
1.42 + * This abstraction hides the handling of {@link Holder}.
1.43 + *
1.44 + * <p>
1.45 + * {@link ValueGetter} is a stateless behavior encapsulation.
1.46 + *
1.47 + * @author Kohsuke Kawaguchi
1.48 + */
1.49 +public enum ValueGetter {
1.50 + /**
1.51 + * {@link ValueGetter} that works for {@link Mode#IN} parameter.
1.52 + *
1.53 + * <p>
1.54 + * Since it's the IN mode, the parameter is not a {@link Holder},
1.55 + * therefore the parameter itself is a value.
1.56 + */
1.57 + PLAIN() {
1.58 + public Object get(Object parameter) {
1.59 + return parameter;
1.60 + }
1.61 + },
1.62 + /**
1.63 + * Creates {@link ValueGetter} that works for {@link Holder},
1.64 + * which is {@link Mode#INOUT} or {@link Mode#OUT}.
1.65 + *
1.66 + * <p>
1.67 + * In those {@link Mode}s, the parameter is a {@link Holder},
1.68 + * so the value to be sent is obtained by getting the value of the holder.
1.69 + */
1.70 + HOLDER() {
1.71 + public Object get(Object parameter) {
1.72 + if(parameter==null)
1.73 + // the user is allowed to pass in null where a Holder is expected.
1.74 + return null;
1.75 + return ((Holder)parameter).value;
1.76 + }
1.77 + };
1.78 +
1.79 + /**
1.80 + * Gets the value to be sent, from a parameter given as a method argument.
1.81 + */
1.82 + public abstract Object get(Object parameter);
1.83 +
1.84 + /**
1.85 + * Returns a {@link ValueGetter} suitable for the given {@link Parameter}.
1.86 + */
1.87 + public static ValueGetter get(ParameterImpl p) {
1.88 + // return value is always PLAIN
1.89 + if(p.getMode() == Mode.IN || p.getIndex() == -1) {
1.90 + return PLAIN;
1.91 + } else {
1.92 + return HOLDER;
1.93 + }
1.94 + }
1.95 +}
