| /* |
| * Copyright 2005-2006 Sun Microsystems, Inc. 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. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| package com.sun.xml.internal.ws.util.pipe; |
| |
| import com.sun.xml.internal.ws.api.message.Packet; |
| import com.sun.xml.internal.ws.api.pipe.NextAction; |
| import com.sun.xml.internal.ws.api.pipe.Pipe; |
| import com.sun.xml.internal.ws.api.pipe.Tube; |
| import com.sun.xml.internal.ws.api.pipe.TubeCloner; |
| import com.sun.xml.internal.ws.api.pipe.helper.AbstractFilterTubeImpl; |
| import com.sun.xml.internal.ws.api.pipe.helper.AbstractTubeImpl; |
| |
| import javax.xml.stream.XMLOutputFactory; |
| import javax.xml.stream.XMLStreamException; |
| import javax.xml.stream.XMLStreamWriter; |
| import java.io.PrintStream; |
| import java.lang.reflect.Constructor; |
| |
| /** |
| * {@link Pipe} that dumps messages that pass through. |
| * |
| * @author Kohsuke Kawaguchi |
| */ |
| public class DumpTube extends AbstractFilterTubeImpl { |
| |
| private final String name; |
| |
| private final PrintStream out; |
| |
| private final XMLOutputFactory staxOut; |
| |
| /** |
| * @param name |
| * Specify the name that identifies this {@link DumpTube} |
| * instance. This string will be printed when this pipe |
| * dumps messages, and allows people to distinguish which |
| * pipe instance is dumping a message when multiple |
| * {@link DumpTube}s print messages out. |
| * @param out |
| * The output to send dumps to. |
| * @param next |
| * The next {@link Tube} in the pipeline. |
| */ |
| public DumpTube(String name, PrintStream out, Tube next) { |
| super(next); |
| this.name = name; |
| this.out = out; |
| this.staxOut = XMLOutputFactory.newInstance(); |
| //staxOut.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES,true); |
| } |
| |
| /** |
| * Copy constructor. |
| */ |
| protected DumpTube(DumpTube that, TubeCloner cloner) { |
| super(that,cloner); |
| this.name = that.name; |
| this.out = that.out; |
| this.staxOut = that.staxOut; |
| } |
| |
| public NextAction processRequest(Packet request) { |
| dump("request",request); |
| return super.processRequest(request); |
| } |
| |
| public NextAction processResponse(Packet response) { |
| dump("response",response); |
| return super.processResponse(response); |
| } |
| |
| protected void dump(String header, Packet packet) { |
| out.println("====["+name+":"+header+"]===="); |
| if(packet.getMessage()==null) |
| out.println("(none)"); |
| else |
| try { |
| XMLStreamWriter writer = staxOut.createXMLStreamWriter(new PrintStream(out) { |
| public void close() { |
| // noop |
| } |
| }); |
| writer = createIndenter(writer); |
| packet.getMessage().copy().writeTo(writer); |
| writer.close(); |
| } catch (XMLStreamException e) { |
| e.printStackTrace(out); |
| } |
| out.println("============"); |
| } |
| |
| /** |
| * Wraps {@link XMLStreamWriter} by an indentation engine if possible. |
| * |
| * <p> |
| * We can do this only when we have <tt>stax-utils.jar</tt> in the classpath. |
| */ |
| private XMLStreamWriter createIndenter(XMLStreamWriter writer) { |
| try { |
| Class clazz = getClass().getClassLoader().loadClass("javanet.staxutils.IndentingXMLStreamWriter"); |
| Constructor c = clazz.getConstructor(XMLStreamWriter.class); |
| writer = (XMLStreamWriter)c.newInstance(writer); |
| } catch (Exception e) { |
| // if stax-utils.jar is not in the classpath, this will fail |
| // so, we'll just have to do without indentation |
| if(!warnStaxUtils) { |
| warnStaxUtils = true; |
| out.println("WARNING: put stax-utils.jar to the classpath to indent the dump output"); |
| } |
| } |
| return writer; |
| } |
| |
| |
| public AbstractTubeImpl copy(TubeCloner cloner) { |
| return new DumpTube(this,cloner); |
| } |
| |
| private static boolean warnStaxUtils; |
| } |