325N/A * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. 325N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 325N/A * This code is free software; you can redistribute it and/or modify it 325N/A * under the terms of the GNU General Public License version 2 only, as 325N/A * published by the Free Software Foundation. Oracle designates this 325N/A * particular file as subject to the "Classpath" exception as provided 325N/A * by Oracle in the LICENSE file that accompanied this code. 325N/A * This code is distributed in the hope that it will be useful, but WITHOUT 325N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 325N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 325N/A * version 2 for more details (a copy is included in the LICENSE file that 325N/A * accompanied this code). 325N/A * You should have received a copy of the GNU General Public License version 325N/A * 2 along with this work; if not, write to the Free Software Foundation, 325N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 325N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 325N/A * or visit www.oracle.com if you need additional information or have any 325N/A * Gets a value from an object that represents a parameter passed 325N/A * as a method argument. 325N/A * This abstraction hides the handling of {@link Holder}. 325N/A * {@link ValueGetter} is a stateless behavior encapsulation. 325N/A * @author Kohsuke Kawaguchi 325N/A * {@link ValueGetter} that works for {@link Mode#IN} parameter. 325N/A * Since it's the IN mode, the parameter is not a {@link Holder}, 325N/A * therefore the parameter itself is a value. 325N/A * Creates {@link ValueGetter} that works for {@link Holder}, 325N/A * which is {@link Mode#INOUT} or {@link Mode#OUT}. 325N/A * In those {@link Mode}s, the parameter is a {@link Holder}, 325N/A * so the value to be sent is obtained by getting the value of the holder. 325N/A // the user is allowed to pass in null where a Holder is expected. 325N/A * Gets the value to be sent, from a parameter given as a method argument. 325N/A * Returns a {@link ValueGetter} suitable for the given {@link Parameter}. 325N/A // return value is always PLAIN