src/share/jaxws_classes/com/sun/xml/internal/ws/util/pipe/DumpTube.java

changeset 286
f50545b5e2f1
child 368
0989ad8c0860
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/jaxws_classes/com/sun/xml/internal/ws/util/pipe/DumpTube.java	Tue Mar 06 16:09:35 2012 -0800
     1.3 @@ -0,0 +1,146 @@
     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.util.pipe;
    1.30 +
    1.31 +import com.sun.xml.internal.ws.api.message.Packet;
    1.32 +import com.sun.xml.internal.ws.api.pipe.NextAction;
    1.33 +import com.sun.xml.internal.ws.api.pipe.Pipe;
    1.34 +import com.sun.xml.internal.ws.api.pipe.Tube;
    1.35 +import com.sun.xml.internal.ws.api.pipe.TubeCloner;
    1.36 +import com.sun.xml.internal.ws.api.pipe.helper.AbstractFilterTubeImpl;
    1.37 +import com.sun.xml.internal.ws.api.pipe.helper.AbstractTubeImpl;
    1.38 +
    1.39 +import javax.xml.stream.XMLOutputFactory;
    1.40 +import javax.xml.stream.XMLStreamException;
    1.41 +import javax.xml.stream.XMLStreamWriter;
    1.42 +import java.io.PrintStream;
    1.43 +import java.lang.reflect.Constructor;
    1.44 +
    1.45 +/**
    1.46 + * {@link Pipe} that dumps messages that pass through.
    1.47 + *
    1.48 + * @author Kohsuke Kawaguchi
    1.49 + */
    1.50 +public class DumpTube extends AbstractFilterTubeImpl {
    1.51 +
    1.52 +    private final String name;
    1.53 +
    1.54 +    private final PrintStream out;
    1.55 +
    1.56 +    private final XMLOutputFactory staxOut;
    1.57 +
    1.58 +    /**
    1.59 +     * @param name
    1.60 +     *      Specify the name that identifies this {@link DumpTube}
    1.61 +     *      instance. This string will be printed when this pipe
    1.62 +     *      dumps messages, and allows people to distinguish which
    1.63 +     *      pipe instance is dumping a message when multiple
    1.64 +     *      {@link DumpTube}s print messages out.
    1.65 +     * @param out
    1.66 +     *      The output to send dumps to.
    1.67 +     * @param next
    1.68 +     *      The next {@link Tube} in the pipeline.
    1.69 +     */
    1.70 +    public DumpTube(String name, PrintStream out, Tube next) {
    1.71 +        super(next);
    1.72 +        this.name = name;
    1.73 +        this.out = out;
    1.74 +        this.staxOut = XMLOutputFactory.newInstance();
    1.75 +        //staxOut.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES,true);
    1.76 +    }
    1.77 +
    1.78 +    /**
    1.79 +     * Copy constructor.
    1.80 +     */
    1.81 +    protected DumpTube(DumpTube that, TubeCloner cloner) {
    1.82 +        super(that,cloner);
    1.83 +        this.name = that.name;
    1.84 +        this.out = that.out;
    1.85 +        this.staxOut = that.staxOut;
    1.86 +    }
    1.87 +
    1.88 +    @Override
    1.89 +    public NextAction processRequest(Packet request) {
    1.90 +        dump("request",request);
    1.91 +        return super.processRequest(request);
    1.92 +    }
    1.93 +
    1.94 +    @Override
    1.95 +    public NextAction processResponse(Packet response) {
    1.96 +        dump("response",response);
    1.97 +        return super.processResponse(response);
    1.98 +    }
    1.99 +
   1.100 +    protected void dump(String header, Packet packet) {
   1.101 +        out.println("====["+name+":"+header+"]====");
   1.102 +        if(packet.getMessage()==null)
   1.103 +            out.println("(none)");
   1.104 +        else
   1.105 +            try {
   1.106 +                XMLStreamWriter writer = staxOut.createXMLStreamWriter(new PrintStream(out) {
   1.107 +                    @Override
   1.108 +                    public void close() {
   1.109 +                        // noop
   1.110 +                    }
   1.111 +                });
   1.112 +                writer = createIndenter(writer);
   1.113 +                packet.getMessage().copy().writeTo(writer);
   1.114 +                writer.close();
   1.115 +            } catch (XMLStreamException e) {
   1.116 +                e.printStackTrace(out);
   1.117 +            }
   1.118 +        out.println("============");
   1.119 +    }
   1.120 +
   1.121 +    /**
   1.122 +     * Wraps {@link XMLStreamWriter} by an indentation engine if possible.
   1.123 +     *
   1.124 +     * <p>
   1.125 +     * We can do this only when we have <tt>stax-utils.jar</tt> in the classpath.
   1.126 +     */
   1.127 +    private XMLStreamWriter createIndenter(XMLStreamWriter writer) {
   1.128 +        try {
   1.129 +            Class clazz = getClass().getClassLoader().loadClass("javanet.staxutils.IndentingXMLStreamWriter");
   1.130 +            Constructor c = clazz.getConstructor(XMLStreamWriter.class);
   1.131 +            writer = (XMLStreamWriter)c.newInstance(writer);
   1.132 +        } catch (Exception e) {
   1.133 +            // if stax-utils.jar is not in the classpath, this will fail
   1.134 +            // so, we'll just have to do without indentation
   1.135 +            if(!warnStaxUtils) {
   1.136 +                warnStaxUtils = true;
   1.137 +                out.println("WARNING: put stax-utils.jar to the classpath to indent the dump output");
   1.138 +            }
   1.139 +        }
   1.140 +        return writer;
   1.141 +    }
   1.142 +
   1.143 +
   1.144 +    public AbstractTubeImpl copy(TubeCloner cloner) {
   1.145 +        return new DumpTube(this,cloner);
   1.146 +    }
   1.147 +
   1.148 +    private static boolean warnStaxUtils;
   1.149 +}

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