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Posted to c-dev@xerces.apache.org by baranidharan <ba...@sifycorp.com> on 2009/07/31 08:10:59 UTC
How to add the attribute
Hi all,
I am using the xercesc c++ for XML operations, i have the XML
document given below ,i am trying to add one attribute to that <node >
tag ,using setAttribute() function but attribute not adding in to that
, my cpp program given below , please tell me how to add the attribute
in to the Dom element.
Thanks,
K Barani
XML file
--------------------------------
<agent>
<node >
<mtr mid="1" tp="pf">
<pfo name="Processor">
<ctr name="% Processor Time">
<ins name="_Total" id="10" pi="60" cl="1" />
</ctr>
</pfo>
</mtr>
</node>
</agent>
-----------------------------------
myprogram.cpp
----------------------
#include<iostream>
#include<string>
// Xml parser
#include <xercesc/util/PlatformUtils.hpp>
#include <xercesc/parsers/XercesDOMParser.hpp>
#include <xercesc/dom/DOM.hpp>
#include <xercesc/sax/HandlerBase.hpp>
#include <xercesc/util/XMLString.hpp>
using namespace std;
using namespace xercesc;
int main()
{
DOMDocument *doc;
static char *xmlConfig
="/extra/Linuxagent/Sample/XML_sample/domm/Xmlalter/Agent1.xml";
try {
XMLPlatformUtils::Initialize();
}
catch (const XMLException& toCatch) {
char* message = XMLString::transcode(toCatch.getMessage());
cout<<"Error: during initialization"<<endl;
XMLString::release(&message);
}
XercesDOMParser* parser = new XercesDOMParser();
ErrorHandler* errHandler = (ErrorHandler*) new HandlerBase();
parser->setErrorHandler(errHandler);
try {
parser->parse(xmlConfig);
}
catch (const XMLException& toCatch) {
char* message = XMLString::transcode(toCatch.getMessage());
cout<<"Error: xmlparser XMLException"<<endl;
XMLString::release(&message);
}
catch (const DOMException& toCatch) {
char* message = XMLString::transcode(toCatch.msg);
cout<<"Error: xmlparser DOMException"<<endl;
XMLString::release(&message);
}
catch (...) {
cout<<"Error: xmlparser Unexpected Exception"<<endl;;
}
doc = parser->getDocument();
XMLCh *xname = XMLString::transcode("node");
DOMNodeList *xmlnodeList;
DOMNode *xmlNode;
xmlnodeList = doc->getElementsByTagName(xname);
XMLString::release(&xname);
int len = xmlnodeList->getLength();
for(len=0; len < xmlnodeList->getLength(); len++)
{
xmlNode = xmlnodeList->item(len);
DOMElement* elem = (DOMElement*) xmlNode;
XMLCh *na = XMLString::transcode("id");
XMLCh *we = XMLString::transcode("100");
elem->setAttribute(na,we);
}
return 0;
}
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RE: How to add the attribute
Posted by Jesse Pelton <js...@PKC.com>.
Your code apparently never writes the updated DOM. The DOMPrint sample
app demonstrates how to perform serialization of a DOM document.
-----Original Message-----
From: baranidharan [mailto:baranidharan.kuppusamy@sifycorp.com]
Sent: Friday, July 31, 2009 2:11 AM
To: c-dev@xerces.apache.org
Subject: How to add the attribute
Hi all,
I am using the xercesc c++ for XML operations, i have the XML
document given below ,i am trying to add one attribute to that <node >
tag ,using setAttribute() function but attribute not adding in to that
, my cpp program given below , please tell me how to add the attribute
in to the Dom element.
Thanks,
K Barani
XML file
--------------------------------
<agent>
<node >
<mtr mid="1" tp="pf">
<pfo name="Processor">
<ctr name="% Processor Time">
<ins name="_Total" id="10" pi="60" cl="1" />
</ctr>
</pfo>
</mtr>
</node>
</agent>
-----------------------------------
myprogram.cpp
----------------------
#include<iostream>
#include<string>
// Xml parser
#include <xercesc/util/PlatformUtils.hpp>
#include <xercesc/parsers/XercesDOMParser.hpp>
#include <xercesc/dom/DOM.hpp>
#include <xercesc/sax/HandlerBase.hpp>
#include <xercesc/util/XMLString.hpp>
using namespace std;
using namespace xercesc;
int main()
{
DOMDocument *doc;
static char *xmlConfig
="/extra/Linuxagent/Sample/XML_sample/domm/Xmlalter/Agent1.xml";
try {
XMLPlatformUtils::Initialize();
}
catch (const XMLException& toCatch) {
char* message = XMLString::transcode(toCatch.getMessage());
cout<<"Error: during initialization"<<endl;
XMLString::release(&message);
}
XercesDOMParser* parser = new XercesDOMParser();
ErrorHandler* errHandler = (ErrorHandler*) new HandlerBase();
parser->setErrorHandler(errHandler);
try {
parser->parse(xmlConfig);
}
catch (const XMLException& toCatch) {
char* message = XMLString::transcode(toCatch.getMessage());
cout<<"Error: xmlparser XMLException"<<endl;
XMLString::release(&message);
}
catch (const DOMException& toCatch) {
char* message = XMLString::transcode(toCatch.msg);
cout<<"Error: xmlparser DOMException"<<endl;
XMLString::release(&message);
}
catch (...) {
cout<<"Error: xmlparser Unexpected Exception"<<endl;;
}
doc = parser->getDocument();
XMLCh *xname = XMLString::transcode("node");
DOMNodeList *xmlnodeList;
DOMNode *xmlNode;
xmlnodeList = doc->getElementsByTagName(xname);
XMLString::release(&xname);
int len = xmlnodeList->getLength();
for(len=0; len < xmlnodeList->getLength(); len++)
{
xmlNode = xmlnodeList->item(len);
DOMElement* elem = (DOMElement*) xmlNode;
XMLCh *na = XMLString::transcode("id");
XMLCh *we = XMLString::transcode("100");
elem->setAttribute(na,we);
}
return 0;
}
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Log on to http://www.sify.com
********** DISCLAIMER **********
Information contained and transmitted by this E-MAIL is proprietary to
Sify Limited and is intended for use only by the individual or entity to
which it is addressed, and may contain information that is privileged,
confidential or exempt from disclosure under applicable law. If this is
a
forwarded message, the content of this E-MAIL may not have been sent
with
the authority of the Company. If you are not the intended recipient, an
agent of the intended recipient or a person responsible for delivering
the
information to the named recipient, you are notified that any use,
distribution, transmission, printing, copying or dissemination of this
information in any way or in any manner is strictly prohibited. If you
have
received this communication in error, please delete this mail & notify
us
immediately at admin@sifycorp.com
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