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Message-ID: <2cf11e620812160321s518296c6u7eea1c2516b6f7a2@mail.gmail.com>
Date: Tue, 16 Dec 2008 12:21:18 +0100
From: "zimny rado" <razuprogramista@gmail.com>
To: user@synapse.apache.org
Subject: Re: REST needs XML header <?xml ... ?>
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Hello Asankha,

I have done your proposed solution, but another problem arrived, this is my
ApplicationXMLFormatter class:

package razu.synapse;

import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMOutputFormat;
import org.apache.axiom.soap.SOAP11Constants;
import org.apache.axiom.soap.SOAP12Constants;
import org.apache.axiom.soap.SOAPFault;
import org.apache.axiom.soap.SOAPFaultDetail;
import org.apache.axis2.AxisFault;
import org.apache.axis2.Constants;
import org.apache.axis2.context.MessageContext;
import org.apache.axis2.transport.MessageFormatter;
import org.apache.axis2.transport.http.util.URLTemplatingUtil;
import org.apache.axis2.util.JavaUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import javax.xml.stream.XMLStreamException;
import java.io.ByteArrayOutputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.URL;

public class ApplicationXMLFormatter extends
org.apache.axis2.transport.http.ApplicationXMLFormatter {

    private static final Log log =
LogFactory.getLog(ApplicationXMLFormatter.class);

    @Override
    public void writeTo(MessageContext messageContext, OMOutputFormat
format,
            OutputStream outputStream, boolean preserve) throws AxisFault {

        if (log.isDebugEnabled()) {
            log.debug("start writeTo()");
        }
        try {
            OMElement omElement = null;

            if (messageContext.getFLOW() == MessageContext.OUT_FAULT_FLOW) {
                SOAPFault fault = messageContext.getEnvelope().getBody()
                        .getFault();
                SOAPFaultDetail soapFaultDetail = fault.getDetail();
                if (soapFaultDetail != null) {
                    omElement = soapFaultDetail.getFirstElement();
                }
                if (omElement == null) {
                    omElement = fault.getReason();
                }

            } else {
                omElement = messageContext.getEnvelope().getBody()
                        .getFirstElement();
            }
            if (omElement != null) {
                try {

                    PrintWriter out = new PrintWriter(new
OutputStreamWriter(outputStream));
                    out.println("<?xml version=\"1.0\"
encoding=\"utf-8\"?>");

                    if (preserve) {
                        omElement.serialize(outputStream, format);
                    } else {
                        omElement.serializeAndConsume(outputStream, format);
                    }
                } catch (XMLStreamException e) {
                    throw AxisFault.makeFault(e);
                } catch (FileNotFoundException ex) {
                    ex.printStackTrace();
                }
            }
            try {
                outputStream.flush();
            } catch (IOException e) {
                throw AxisFault.makeFault(e);
            }
        } finally {
            if (log.isDebugEnabled()) {
                log.debug("end writeTo()");
            }
        }
    }
}

This is rewrited method from original ApplicationXMLFormatter, I only added

                    PrintWriter out = new PrintWriter(new
OutputStreamWriter(outputStream));
                    out.println("<?xml version=\"1.0\"
encoding=\"utf-8\"?>");

I created JAR with this class and copy it to /lib directory

Another thing to do was change axis2.xml :

...
        <messageFormatter contentType="application/xml"
                         class="razu.synapse.ApplicationXMLFormatter"/>
...

My class is used by Apache Synapse, but output XML is still without XML
header.

Have you any idea what I done wrong?


2008/12/16 Asankha C. Perera <asankha@apache.org>

> Hi Zimny
>
>> ...
>> <soapenv:Body xmlns:soapenv="http://www.w3.org/2003/05/soap-envelope">
>>    <name>RAZU</name>
>> </soapenv:Body>
>> ...
>>
>> and only <name>RAZU</name> is send to extenal service, but I need to send:
>>
>> <?xml version="1.0"?>
>> <name>RAZU</name>
>>
>> What is your suggestions?
>>
>>
> Usually the XML declaration is not sent, nor expected.. One solution is to
> extend the message formatter to include the declaration..
>
> cheers
> asankha
>
> --
> Asankha C. Perera
> http://adroitlogic.org
>
> http://esbmagic.blogspot.com
>
>

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