i need to read xml content from a web service onto a local machine and parse the data using javascript.
While using XMLHttpRequest, it allows me to access xml content from anywhere on local machine. But i m not getting a clue as to how to access the content from a service
Any help appreciated
8  1840  Dormilich 8,658
Recognized Expert Moderator Expert
I recommend doing it server-side (more reliable than JavaScript), at least where fetching and basic processing is involved.
well i appreciate your recommendation, but my task is strictly to do it on client side using javascript!
Dormilich 8,658
Recognized Expert Moderator Expert
just for clarification, the webservice and the website concerned are on the same server?
well the script is on local machine..and i need to access the xml content which is on a server..
i have tried to parse the xml content on the local machine using XMLHttpRequest object and i was successful. But It is not working while trying to access from web service
Dormilich 8,658
Recognized Expert Moderator Expert
that’s due to the SOP (Same Origin Policy), a security mechanism for preventing XSS attacks.
so how do i over come it?
or what is the possible solution..?
my code is like this - -
<html>
-
<head>
-
-
<script type="text/javascript">
-
var xmlDoc;
-
-
if(window.XMLHttpRequest){
-
xhttp = new XMLHttpRequest();
-
}
-
else{
-
xhttp=new ActiveXObject("Microsoft.XMLHTTP");
-
}
-
-
xhttp.open("GET","file:///C:/Documents%20and%20Settings/siddharthd/Desktop/javascript/xml/source.xml", false);
-
xhttp.send("");
-
xmlDoc=xhttp.responseXML;
-
-
var x = xmlDoc.getElementsByTagName("tag");
-
-
function display(){
-
-
tagid = x[0].getElementsByTagName("tag_id")[0].childNodes[0].nodeValue;
-
longitude = x[0].getElementsByTagName("longitude")[0].childNodes[0].nodeValue;
-
latitude = x[0].getElementsByTagName("latitude")[0].childNodes[0].nodeValue;
-
altitude = x[0].getElementsByTagName("altitude")[0].childNodes[0].nodeValue;
-
dateadded = x[0].getElementsByTagName("date_added")[0].childNodes[0].nodeValue;
-
datemodified = x[0].getElementsByTagName("date_modified")[0].childNodes[0].nodeValue;
-
name = x[0].getElementsByTagName("name")[0].childNodes[0].nodeValue;
-
value = x[0].getElementsByTagName("value")[0].childNodes[0].nodeValue;
-
-
txt="tag_id: " + tagid + "<br/>Longitude: " + longitude + "<br/>Latitude: " + latitude + "<br/>Altitude: " + altitude + "<br/>Date Added: " + dateadded + "<br/>Date Modified: " + datemodified + "<br/><br/>Name: " + name + "<br/>Value: " + value;
-
document.getElementById("showdata").innerHTML=txt;
-
}
-
</script>
-
</head>
-
-
<body onload="display()">
-
<div id='showdata'></div>
-
</body>
-
</html>
-
for a xml content which looks like this - - <tags>
-
<tag>
-
<tag_id>6</tag_id>
-
<longitude>-97.721287186</longitude>
-
<latitude>30.308577756</latitude>
-
<altitude>189.752</altitude>
-
<date_added>2010-05-24</date_added>
-
<date_modified>2010-05-24</date_modified>
-
<tag_data>
-
<name_value>
-
<name>id</name>
-
<value>1</value>
-
</name_value>
-
</tag_data>
-
</tag>
-
</tags>
Dormilich 8,658
Recognized Expert Moderator Expert
I guess, you would have to lower your browser’s security settings, but that’s beyond my scope.
besides, you try to access a local file, which is (strictly speaking) forbidden in JavaScript (again for security reasons). in IE you may use an ActiveX control to do it.
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