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Robert Chartier

Comments/feedback welcome

Im going to break down this utility library, into separate posts..one for
each section (method + overloads) that I have just so we can have separate
threads of conversation for each item.

Robert Chartier
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Robert Chartier

#region GetHttpStream
/// <summary>
/// GetHttpStream: Converts a URL address to a System.IO.Stream
/// </summary>
/// <param name="sURL"></param>
/// <param name="proxyaddress"></param>
/// <param name="proxyport"></param>
/// <returns></returns>
public System.IO.Stream GetHttpStream(string sURL, string
proxyaddress, int proxyport) {

WebRequest wrGETURL;
wrGETURL = WebRequest.Create(sURL);

WebProxy myProxy = new WebProxy(proxyaddress,proxyport);
myProxy.BypassProxyOnLocal = true;

wrGETURL.Proxy = WebProxy.GetDefaultProxy();

Stream objStream;
objStream = wrGETURL.GetResponse().GetResponseStream();
return objStream;

}
/// <summary>
/// hit any url with GET/POST, with the given parameters (FOR POST),
with the username/password
/// </summary>
/// <param name="sURL"></param>
/// <param name="httpmethod"></param>
/// <param name="postparams"></param>
/// <param name="username"></param>
/// <param name="password"></param>
/// <returns></returns>
public System.IO.Stream GetHttpStream(string sURL, string httpmethod,
string postparams, string username, string password) {

byte [] bytes = null;
// Get the data that is being posted (or sent) to the server
bytes = System.Text.Encoding.ASCII.GetBytes (postparams);

HttpWebRequest request = (HttpWebRequest) WebRequest.Create(sURL);

if(username!="") request.Credentials = new
NetworkCredential(username,password);

request.Method = httpmethod;
request.ContentLength = bytes.Length;
Stream sendStream = request.GetRequestStream();
sendStream.Write(bytes,0,bytes.Length);
sendStream.Close();
WebResponse response = request.GetResponse();
Stream objStream;
objStream = response.GetResponseStream();

return objStream;

}
#endregion

Robert Chartier
Author and Developer
604-975-5590
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http://www.aspfree.com/devlinks
http://www.aspfree.com/authors/robert
http://www.aspalliance.com/nothingmn
http://www.15seconds.com/issue/wa.htm#chartier

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Robert Chartier

(used to simplfy the process)

#region ConvertStreamToString
/// <summary>
/// ConvertStreamToString: Converts your standard IO.Stream to a string
/// </summary>
/// <param name="theStream"></param>
/// <returns></returns>
public string ConvertStreamToString(System.IO.Stream theStream) {
string theString="";
using (StreamReader sr = new StreamReader(theStream) ) {
theString = sr.ReadToEnd();
// Close and clean up the StreamReader
sr.Close();
}
return theString;
}
#endregion

Robert Chartier
Author and Developer
604-975-5590
Click here to reveal e-mail address
http://www.aspfree.com/devlinks
http://www.aspfree.com/authors/robert
http://www.aspalliance.com/nothingmn
http://www.15seconds.com/issue/wa.htm#chartier

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Robert Chartier

NOTE: I plan on changing/adding the second method to arrays, and not a
stupid string list. :) (It was done in this manner due to project
constraints).

#region Simple XML+XSL Transformation
/// <summary>
/// Transform: Simple Transformation of an XML + XSL
/// </summary>
/// <param name="xml"></param>
/// <param name="xsl"></param>
/// <returns></returns>
public string Transform(string xml, string xsl) {

System.IO.StringWriter sResult = new System.IO.StringWriter();
System.Xml.XmlDocument docXml = new System.Xml.XmlDocument();

System.Xml.XmlDocument docXsl = new System.Xml.XmlDocument();
System.Xml.Xsl.XslTransform xslTransform = new
System.Xml.Xsl.XslTransform();

//LOAD UP THE XML DOCUMENT
if (xml.IndexOf("<?xml") >= 0) {
//pass xml content in
try {
docXml.LoadXml(xml);
} catch( Exception exc) {
}

} else {
//try to load via URI
try {
docXml.Load(xml);
} catch( Exception exc) {
}
}

//LOAD UP THE XSL DOCUMENT
//load xsl to a xsltransform object
try {
xslTransform.Load(xsl);
} catch( Exception exc) {
}

//try to transform it
try {
// call transform - output streamed to console
xslTransform.Transform(docXml, null, sResult);
} catch( Exception exc) {
}
return sResult.ToString();

} //Transform

/// <summary>
/// Transform: transforms and xml+xsl with given xsl parameters
/// </summary>
/// <param name="xml"></param>
/// <param name="xsl"></param>
/// <param name="xslParamNames"></param>
/// <param name="xslParamValues"></param>
/// <returns></returns>
public string Transform(string xml, string xsl, string xslParamNames,
string xslParamValues) {

System.IO.StringWriter sResult = new System.IO.StringWriter();
XmlDocument docXml = new XmlDocument();
XmlDocument docXsl = new XmlDocument();
//DocumentNavigator navSource;
System.Xml.Xsl.XslTransform xslTransform = new
System.Xml.Xsl.XslTransform();

//LOAD UP THE XML DOCUMENT
if (xml.IndexOf("<?xml") >= 0) {
//pass xml content in
try {
docXml.LoadXml(xml);
} catch( Exception exc) {
}

} else {
//try to load via URI
try {
docXml.Load(xml);
} catch( Exception exc) {
}
}

//LOAD UP THE XSL DOCUMENT
//load xsl to a xsltransform object
try {
xslTransform.Load(xsl);
} catch( Exception exc) {
}

//load up the xsl parameters, if any
System.Xml.Xsl.XsltArgumentList xslArgs = new
System.Xml.Xsl.XsltArgumentList();
if (xslParamNames!=""){
char[] chSplit = {','};
string[] pNames;
string[] pValues;

pNames = xslParamNames.Split(chSplit);
pValues = xslParamValues.Split(chSplit);

for(int i=0;i<pNames.Length;i++) {
xslArgs.AddParam(pNames[i],"",pValues[i]);
}
}

//try to transform it
try {
// call transform - output streamed to console
if (xslParamNames!=""){
xslTransform.Transform(docXml, xslArgs, sResult);
} else {
xslTransform.Transform(docXml, null, sResult);
}
} catch( Exception exc) {
}
return sResult.ToString();

} //Transform

#endregion

Robert Chartier
Author and Developer
604-975-5590
Click here to reveal e-mail address
http://www.aspfree.com/devlinks
http://www.aspfree.com/authors/robert
http://www.aspalliance.com/nothingmn
http://www.15seconds.com/issue/wa.htm#chartier

Reply to this message...

	System.IO.Stream
	System.IO.StreamReader
	System.IO.StringWriter
	System.Net.HttpWebRequest
	System.Net.NetworkCredential
	System.Net.WebProxy
	System.Net.WebRequest
	System.Net.WebResponse
	System.Text.Encoding
	System.Xml.XmlDocument
	System.Xml.Xsl.XsltArgumentList
	System.Xml.Xsl.XslTransform

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