1/* 2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26package com.sun.xml.internal.ws.api.pipe.helper; 27 28import com.sun.istack.internal.NotNull; 29import com.sun.xml.internal.ws.api.message.Packet; 30import com.sun.xml.internal.ws.api.pipe.NextAction; 31import com.sun.xml.internal.ws.api.pipe.Tube; 32import com.sun.xml.internal.ws.api.pipe.TubeCloner; 33 34/** 35 * Convenient default implementation for filtering {@link Tube}. 36 * 37 * <p> 38 * In this prototype, this is not that convenient, but in the real production 39 * code where we have {@code preDestroy()} and {@code clone()}, this 40 * is fairly handy. 41 * 42 * @author Kohsuke Kawaguchi 43 */ 44public abstract class AbstractFilterTubeImpl extends AbstractTubeImpl { 45 protected final Tube next; 46 47 protected AbstractFilterTubeImpl(Tube next) { 48 this.next = next; 49 } 50 51 protected AbstractFilterTubeImpl(AbstractFilterTubeImpl that, TubeCloner cloner) { 52 super(that, cloner); 53 if (that.next != null) { 54 this.next = cloner.copy(that.next); 55 } else { 56 this.next = null; 57 } 58 } 59 60 /** 61 * Default no-op implementation. 62 */ 63 public @NotNull NextAction processRequest(Packet request) { 64 return doInvoke(next,request); 65 } 66 67 /** 68 * Default no-op implementation. 69 */ 70 public @NotNull NextAction processResponse(Packet response) { 71 return doReturnWith(response); 72 } 73 74 /** 75 * Default no-op implementation. 76 */ 77 public @NotNull NextAction processException(Throwable t) { 78 return doThrow(t); 79 } 80 81 public void preDestroy() { 82 if (next != null) { 83 next.preDestroy(); 84 } 85 } 86} 87