aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: package com.sun.xml.internal.ws.assembler;
aoqi@0: 
aoqi@0: import com.sun.istack.internal.logging.Logger;
aoqi@0: import com.sun.xml.internal.ws.api.pipe.Pipe;
aoqi@0: import com.sun.xml.internal.ws.api.pipe.Tube;
aoqi@0: import com.sun.xml.internal.ws.api.pipe.helper.PipeAdapter;
aoqi@0: import com.sun.xml.internal.ws.assembler.dev.TubelineAssemblyContext;
aoqi@0: import java.text.MessageFormat;
aoqi@0: 
aoqi@0: import java.util.LinkedList;
aoqi@0: import java.util.List;
aoqi@0: import java.util.logging.Level;
aoqi@0: 
aoqi@0: /**
aoqi@0:  * A base tubeline assembly context class providing common methods for both
aoqi@0:  * client and server assembly context classes.
aoqi@0:  *
aoqi@0:  * @author Marek Potociar (marek.potociar at sun.com)
aoqi@0:  */
aoqi@0: class TubelineAssemblyContextImpl implements TubelineAssemblyContext {
aoqi@0:     private static final Logger LOGGER = Logger.getLogger(TubelineAssemblyContextImpl.class);
aoqi@0: 
aoqi@0:     private Tube head;
aoqi@0:     private Pipe adaptedHead;
aoqi@0:     private List<Tube> tubes = new LinkedList<Tube>();
aoqi@0: 
aoqi@0:     @Override
aoqi@0:     public Tube getTubelineHead() {
aoqi@0:         return head;
aoqi@0:     }
aoqi@0: 
aoqi@0:     @Override
aoqi@0:     public Pipe getAdaptedTubelineHead() {
aoqi@0:         if (adaptedHead == null) {
aoqi@0:             adaptedHead = PipeAdapter.adapt(head);
aoqi@0:         }
aoqi@0:         return adaptedHead;
aoqi@0:     }
aoqi@0: 
aoqi@0:     boolean setTubelineHead(Tube newHead) {
aoqi@0:         if (newHead == head || newHead == adaptedHead) {
aoqi@0:             return false;
aoqi@0:         }
aoqi@0: 
aoqi@0:         head = newHead;
aoqi@0:         tubes.add(head);
aoqi@0:         adaptedHead = null;
aoqi@0: 
aoqi@0:         if (LOGGER.isLoggable(Level.FINER)) {
aoqi@0:             LOGGER.finer(MessageFormat.format("Added '{0}' tube instance to the tubeline.", (newHead == null) ? null : newHead.getClass().getName()));
aoqi@0:         }
aoqi@0: 
aoqi@0:         return true;
aoqi@0:     }
aoqi@0: 
aoqi@0:     @Override
aoqi@0:     public <T> T getImplementation(Class<T> type) {
aoqi@0:         for (Tube tube : tubes) {
aoqi@0:             if (type.isInstance(tube)) {
aoqi@0:                 return type.cast(tube);
aoqi@0:             }
aoqi@0:         }
aoqi@0:         return null;
aoqi@0:     }
aoqi@0: }