/********************************************************************************************************************************
* Licensed Materials - Property of IBM                                                                                          *
*                                                                                                                               *
* IBM Cognos Products: AGS                                                                                                      *
*                                                                                                                               *
* (C) Copyright IBM Corp. 2005, 2008                                                                                            *
*                                                                                                                               *
* US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. *
*********************************************************************************************************************************/

function XHTTPDispatcher(callBackFunc, arguments) 
{
    this.callBackFunc = callBackFunc;
    this.request_url = this.processRequest(arguments);
}

XHTTPDispatcher.prototype.dispatch = function() 
{
    // send off the request
    sendDispatcherRequestWithXMLTextResponse(this.request_url, this.callBackFunc);
}

// utility function
XHTTPDispatcher.prototype.processRequest = function(arguments)
{
    var sURL = "";
    var clk = "cl";
	var plk = "pl";
	var b_action = "b_action";
	
	var locales = getLocales(clk, plk);
	// have to add b_action in by hand - URIEncode always prepends a '&' to it
	if (arguments[b_action]) { 
	    sURL = b_action + "=" + encodeURIComponent(arguments[b_action]);
	    delete arguments[b_action];
	} else {
	    sURL = b_action + "=xts.run";
    }
	
	// add some values into the URL if they don't exist in the arguments
	sURL += this.addDefaultValue(clk, locales[clk], arguments);
	sURL += this.addDefaultValue(plk, locales[plk], arguments);

    // add in all the other arguments - NB - arguments for the defaults 
    // above won't be added again - if they existed in the argument array
    // they were removed in the addDefaultValue function. 
    for (i in arguments) {
		// arguments i might be an array in which case we add all the contents of the array
        var values = makeArray(arguments[i]);
        for (var value in values) {
	        sURL += URIEncode(i,values[value]);
		}
    }
    
    // add a cafContextId if there is one
    if (cafContextId != "") {
        sURL += URIEncode("cafcontextid",cafContextId);
    }

    // return the request
    return sURL;
}

// build a URIEncoded argument pair from the name/value passed in. If the 
// name is in the argument array - use that in preference 
XHTTPDispatcher.prototype.addDefaultValue = function(sName, sValue, arguments)
{
    var sURL = "";
	if (arguments[sName]) {
	    sURL += URIEncode(sName, arguments[sName]);
	    // remove it
	    delete arguments[sName];
	} else {
	    sURL += URIEncode(sName, sValue);
	}
    return sURL;
}