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List:       axis-c-user
Subject:    SV: Problem with AXIOM Handling of Newlines and Spaces in SOAP
From:       Pankaj Kharwal <Pankaj.Kharwal () kf ! se>
Date:       2011-12-08 17:07:44
Message-ID: B40A0E70620A7A4AA3822397B7677B1F04AE2AEEB0 () STO-MBX-06 ! kf ! local
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Dear all,

Any inputs/suggestions/ideas?

Thanks and Regards,
Pankaj Kharwal
Stockholm, Sweden

Från: Pankaj Kharwal
Skickat: den 30 november 2011 11:50
Till: 'c-user@axis.apache.org'
Ämne: Problem with AXIOM Handling of Newlines and Spaces in SOAP requests

Hi All,

I am using AXIS2C version 1.6.0 on an X86 64-bit  Redhat machine. I use soapUI for \
sending requests and AXIS2C receives newlines and spaces in the request which I \
cannot control from the request part.

For example, My soapUI request looks like:

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" \
xmlns:typ="http://ws.apache.org/axis2/services/Calculator/types">  <soapenv:Header/>
   <soapenv:Body>
      <typ:add xmlns:typ = 'http://example.com/add/2010/11/policy'>
        <param_1>11</param_1>
        <param_2>22</param_2>
      </typ:add>
   </soapenv:Body>
</soapenv:Envelope>

Here, axiom_node_to_string() function for <add> node yields  "<typ:add xmlns:typ = \
'http://example.com/add/2010/11/policy'>\n        <param_1>11</param_1>\n        \
<param_2>22</param_2>\n      </typ:add>" I thought I will first convert this node to \
a buffer (addBuf); then I will process this buffer to remove newlines; and then I \
will pass the processed buffer to axiom_xml_reader_create_for_memory().

So the sequence of my calls is:

reader = axiom_xml_reader_create_for_memory(env,  (void*)addBuf, \
axutil_strlen(addBuf), "utf-8", AXIS2_XML_PARSER_TYPE_BUFFER); builder = \
axiom_stax_builder_create(env, reader); document = \
axiom_stax_builder_get_document(builder, env); processedAddNode = \
axiom_document_get_root_element(document, env);

My observations:

1.       CASE1: addBuf is passed as it is (with newlines and spaces) to \
axiom_xml_reader_create_for_memory. The call to axiom_xml_reader_create_for_memory() \
is successful; but the processedAddNode does not have <param_1> and <param_2> tags.



2.       CASE2: Before calling axiom_xml_reader_create_for_memory, I process addBuf \
just to remove newlines. addBuf looks like "<typ:add xmlns:typ = \
'http://example.com/add/2010/11/policy'>        <param_1>11</param_1>        \
<param_2>22</param_2>      </typ:add>". The spaces that existed after the newlines, \
still remain there. Here also, the call to axiom_xml_reader_create_for_memory() is \
successful; but the processedAddNode does not have <param_1> and <param_2> tags.



3.       CASE3: I hardcoded addBuf to "<typ:add xmlns:typ = \
'http://example.com/add/2010/11/policy'><param_1>11</param_1><param_2>22</param_2></typ:add>". \
Note that the newlines are removed and spaces after the newlines were also removed. \
This time call to axiom_xml_reader_create_for_memory() was successful. \
processedAddNode was perfect.

So, if there are any spaces after the ending tags, AXIOM does not seem to handle them \
very well. Of course, I can process the buffer to remove these obsolete spaces as \
well, but I have a gut feeling that AXIOM must have some efficient mechanism, which I \
am not aware of as of now, to handle this situation.

I would be really thankful if you could provide me any ideas on implementing better \
mechanisms for this.

Best Regards,
Pankaj Kharwal
Stockholm, Sweden

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<p class=MsoNormal><span style='color:#1F497D'>Dear all, <o:p></o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'>Any \
inputs/suggestions/ideas?<o:p></o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal>Thanks and Regards, <o:p></o:p></p>

<p class=MsoNormal>Pankaj Kharwal<o:p></o:p></p>

<p class=MsoNormal>Stockholm, Sweden<o:p></o:p></p>

<p class=MsoNormal><span style='color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<div>

<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'>

<p class=MsoNormal><b><span \
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Från:</span></b><span \
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Pankaj Kharwal <br> \
<b>Skickat:</b> den 30 november 2011 11:50<br> <b>Till:</b> \
'c-user@axis.apache.org'<br> <b>Ämne:</b> Problem with AXIOM Handling of Newlines and \
Spaces in SOAP requests<o:p></o:p></span></p>

</div>

</div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>Hi All, <o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>I am using AXIS2C version 1.6.0 on an X86 64-bit&nbsp;
Redhat machine. I use soapUI for sending requests and AXIS2C receives newlines
and spaces in the request which I cannot control from the request \
part.<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>For example, My soapUI request looks like:<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>&lt;soapenv:Envelope
xmlns:soapenv=&quot;http://schemas.xmlsoap.org/soap/envelope/&quot;
xmlns:typ=&quot;http://ws.apache.org/axis2/services/Calculator/types&quot;&gt;<o:p></o:p></p>


<p class=MsoNormal>&nbsp;&nbsp; &lt;soapenv:Header/&gt;<o:p></o:p></p>

<p class=MsoNormal>&nbsp;&nbsp; &lt;soapenv:Body&gt;<o:p></o:p></p>

<p class=MsoNormal>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;typ:add xmlns:typ = \
'http://example.com/add/2010/11/policy'&gt;<o:p></o:p></p>

<p class=MsoNormal>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&lt;param_1&gt;11&lt;/param_1&gt;<o:p></o:p></p>

<p class=MsoNormal>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&lt;param_2&gt;22&lt;/param_2&gt;<o:p></o:p></p>

<p class=MsoNormal>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/typ:add&gt;<o:p></o:p></p>

<p class=MsoNormal>&nbsp;&nbsp; &lt;/soapenv:Body&gt;<o:p></o:p></p>

<p class=MsoNormal>&lt;/soapenv:Envelope&gt;<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>Here, axiom_node_to_string() function for &lt;add&gt; node
yields &nbsp;&#8221;&lt;typ:add xmlns:typ = \
'http://example.com/add/2010/11/policy'&gt;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 &lt;param_1&gt;11&lt;/param_1&gt;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&lt;param_2&gt;22&lt;/param_2&gt;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&lt;/typ:add&gt;&#8221;<o:p></o:p></p>

<p class=MsoNormal>I thought I will first convert this node to a buffer
(addBuf); then I will process this buffer to remove newlines; and then I will
pass the processed buffer to axiom_xml_reader_create_for_memory().<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>So the sequence of my calls is:<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>reader = axiom_xml_reader_create_for_memory(env,&nbsp;
(void*)addBuf, axutil_strlen(addBuf), &quot;utf-8&quot;,
AXIS2_XML_PARSER_TYPE_BUFFER);<o:p></o:p></p>

<p class=MsoNormal>builder = axiom_stax_builder_create(env, reader);<o:p></o:p></p>

<p class=MsoNormal>document = axiom_stax_builder_get_document(builder, \
env);<o:p></o:p></p>

<p class=MsoNormal>processedAddNode = axiom_document_get_root_element(document,
env);<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>My observations:<o:p></o:p></p>

<p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if \
!supportLists]><span style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New \
Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><![endif]>CASE1: addBuf is \
passed as it is (with newlines and spaces) to axiom_xml_reader_create_for_memory. The \
call to axiom_xml_reader_create_for_memory() is successful; but the processedAddNode \
does not have &lt;param_1&gt; and &lt;param_2&gt; tags.<o:p></o:p></p>

<p class=MsoListParagraph><o:p>&nbsp;</o:p></p>

<p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if \
!supportLists]><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New \
Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><![endif]>CASE2: Before \
calling axiom_xml_reader_create_for_memory, I process addBuf just to remove newlines.
addBuf looks like &#8221;&lt;typ:add xmlns:typ =
'http://example.com/add/2010/11/policy'&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&lt;param_1&gt;11&lt;/param_1&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&lt;param_2&gt;22&lt;/param_2&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&lt;/typ:add&gt;&#8221;. The spaces that existed after the newlines, still remain
there. Here also, the call to axiom_xml_reader_create_for_memory() is successful;
but the processedAddNode does not have &lt;param_1&gt; and &lt;param_2&gt;
tags. <o:p></o:p></p>

<p class=MsoListParagraph><o:p>&nbsp;</o:p></p>

<p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if \
!supportLists]><span style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New \
Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><![endif]>CASE3: I \
hardcoded addBuf to &#8221;&lt;typ:add xmlns:typ = \
'http://example.com/add/2010/11/policy'&gt;&lt;param_1&gt;11&lt;/param_1&gt;&lt;param_2&gt;22&lt;/param_2&gt;&lt;/typ:add&gt;&#8221;.
 &nbsp;Note that the newlines are removed and spaces after the newlines were
also removed. This time call to axiom_xml_reader_create_for_memory() was
successful. processedAddNode was perfect.<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>So, if there are any spaces after the ending tags, AXIOM does
not seem to handle them very well. Of course, I can process the buffer to
remove these obsolete spaces as well, but I have a gut feeling that AXIOM must
have some efficient mechanism, which I am not aware of as of now, to handle
this situation.<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>I would be really thankful if you could provide me any ideas
on implementing better mechanisms for this.<o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>Best Regards, <o:p></o:p></p>

<p class=MsoNormal>Pankaj Kharwal<o:p></o:p></p>

<p class=MsoNormal>Stockholm, Sweden<o:p></o:p></p>

</div>

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