converter.js

关于网上汽车销售系统的详细编程项目实战实例

{
	var pattern = sParam + "=[^&]*&?";
	var regExp = new RegExp(pattern, "i");
	var resultArray = regExp.exec(sObjURL);
	var listArray = sObjURL.split(regExp);
	var sRetURL = null;

	// Check if the parameter is existing in the url
	if (resultArray != null)
	{
		// Remove the  the parameter
		if( listArray.length == 1 || listArray[1] == "")
		{
			sRetURL = sObjURL.substring(0 , (listArray[0].length-1));
		}
		else
		{
			sRetURL = sObjURL.replace(regExp, "");
		}
	}
	else
	{
		sRetURL = sObjURL;
	}
	return sRetURL;
}

/**
 *
 */
function isROIFile(sFQFileName)
{
	if (sFQFileName == null) return null;
	iDot = sFQFileName.lastIndexOf(".");
	if (iDot == -1) return "";
	iSemiColon = sFQFileName.lastIndexOf(";");
	if (iSemiColon == -1) iSemiColon = iDot+4;
	var sFileExt = sFQFileName.substring(iDot + 1, iSemiColon);
	return (sFileExt.toLowerCase() == "roi");
}

/**
 *
 */
function isStandardProtocol(link)
{
	var bProtocolExists = false;

	if(	(link.indexOf( "http:" ) == 0) ||
		(link.indexOf( "https:")  == 0) ||
		(link.indexOf( "mailto:")  == 0) ||
		(link.indexOf( "file:")  == 0) ||
		(link.indexOf( "rotp:")  == 0) ||
		(link.indexOf( "ftp:")  == 0) )
	{
		bProtocolExists = true;
	}
	return bProtocolExists;
}


// different types of RC directives, which can be a part of hyperlinks.
// There can be many more directives which should be added if not found in this list.

var NONE = 0;
var VIEWPAGE = 1;
var SEARCH = 2;
var SUBMIT = 3;
var REQUEST = 4;
var GETREPORTDATA = 5;
var GETSTYLESHEET = 6;
var GETDYNAMICDATA = 7;
var GETSTATICDATA = 8;
var DROP = 9;
var VIEWDEFAULT = 10;
var VIEWFRAMESET = 11;
var VIEWTOC = 12;
var VIEWNAVIGATION = 13;
var SAVEAS = 14;

/**
 *	This function will return an integer array of length 2.
 * The 1st element will be directive constant and 2nd will be its index in the link
 */

function getDirectiveFromLink(link)
{
	var iArrReutrnValue = new Array(2);
	var iDirectiveIndex = -1;

	iArrReutrnValue [0] = NONE;


	if ((iDirectiveIndex = link.toLowerCase().indexOf('?viewpage', 0)) != -1)
	{
		iArrReutrnValue [0] = VIEWPAGE;
	}
	else if ((iDirectiveIndex = link.toLowerCase().indexOf('?search')) != -1)
	{
		iArrReutrnValue [0] = SEARCH;
	}
	else if ((iDirectiveIndex = link.toLowerCase().indexOf('?submit')) != -1)
	{
		iArrReutrnValue [0] = SUBMIT;
	}
	else if ((iDirectiveIndex = link.toLowerCase().indexOf('?request')) != -1)
	{
		iArrReutrnValue [0] = REQUEST;
	}
	else if ((iDirectiveIndex = link.toLowerCase().indexOf('?getreportdata')) != -1)
	{
		iArrReutrnValue [0] = GETREPORTDATA;
	}
	else if ((iDirectiveIndex = link.toLowerCase().indexOf('?getstylesheet')) != -1)
	{
		iArrReutrnValue [0] = GETSTYLESHEET;
	}
	else if ((iDirectiveIndex = link.toLowerCase().indexOf('?getdynamicdata')) != -1)
	{
		iArrReutrnValue [0] = GETDYNAMICDATA;
	}
	else if ((iDirectiveIndex = link.toLowerCase().indexOf('?getstaticdata')) != -1)
	{
		iArrReutrnValue [0] = GETSTATICDATA;
	}
	else if ((iDirectiveIndex = link.toLowerCase().indexOf('?drop')) != -1)
	{
		iArrReutrnValue [0] = DROP;
	}
	else if ((iDirectiveIndex = link.toLowerCase().indexOf('?viewdefault')) != -1)
	{
		iArrReutrnValue [0] = VIEWDEFAULT;
	}
	else if ((iDirectiveIndex = link.toLowerCase().indexOf('?viewframeset')) != -1)
	{
		iArrReutrnValue [0] = VIEWFRAMESET;
	}
	else if ((iDirectiveIndex = link.toLowerCase().indexOf('?viewtoc')) != -1)
	{
		iArrReutrnValue [0] = VIEWTOC;
	}
	else if ((iDirectiveIndex = link.toLowerCase().indexOf('?viewnavigation')) != -1)
	{
		iArrReutrnValue [0] = VIEWNAVIGATION;
	}
	else if ((iDirectiveIndex = link.toLowerCase().indexOf('?saveas')) != -1)
	{
		iArrReutrnValue [0] = SAVEAS;
	}

	iArrReutrnValue [1] = iDirectiveIndex;

	return iArrReutrnValue;
}

/**
 * resolveNestedLinkUrl method resolves the url for nested search condition
 */
function resolveNestedLinkUrl(link)
{
	var resolvedURL = link;
	var doesNestedExist = true;

	var iSearchStart = link.toLowerCase().indexOf('&search&');
	if(iSearchStart != -1)
	{
		var iEndSearch = link.toLowerCase().indexOf('&endsearch', iSearchStart);
		if (iEndSearch != -1)
		{
			//DECODES THE VALUE TO AVOID DOUBLE ENCODING
			var decodedValue = decode(link.substring(iSearchStart+8, iEndSearch));
			var newString	= "&searchcriteria="+encode(decodedValue);
			var oldString	= link.substring(iSearchStart, iEndSearch+10);
			resolvedURL		= resolvedURL.replace(oldString, newString);
		}
	}
	// IF OTHER DIRECTIVES ALSO NEED TO BE RESOLVED IF BLOCK SHOULD BE ADDED OVER HERE

	return resolvedURL;
}

function resolveLinkUrl(link)
{
	var sSearchCriteria = "";
	var sResolvedLink = "";
	var sReportName = "";
	var sRemainingLink = "";
	var sOrgLink = link;

	if (!(ns4 && g_browserVersion == 4.08))	 // DO NOT DECODE FOR NS 4.08
		link = decode(link);

	link = resolveNestedLinkUrl(link);
	var iLinkDirectiveAndIndex = getDirectiveFromLink(link);

	switch (iLinkDirectiveAndIndex[0])
	{
		case 1://VIEWPAGE
		{
			sReportName = link.substring(0, iLinkDirectiveAndIndex[1]);
			var sSearchStart = link.toLowerCase().indexOf('search&');
			var sEndSearch = link.toLowerCase().indexOf('&endsearch');
			var sOtherViewOptions = "";
			if (sSearchStart != -1 && sEndSearch != -1)
			{
				// 7 is length of "search&"
				sSearchCriteria = "&searchcriteria=" + encode(link.substring((sSearchStart + 7), sEndSearch));
				// 9 is length of "?viewpage"
				sOtherViewOptions = link.substring((iLinkDirectiveAndIndex[1] + 9) , (sSearchStart - 1));
			}
			else
			{
				sSearchCriteria = "";
				// 9 is length of "?viewpage"
				sOtherViewOptions = link.substring((iLinkDirectiveAndIndex[1] + 9));
			}
			sResolvedLink = "../servlet/ViewPage?name=" + encode(sReportName) + sOtherViewOptions + sSearchCriteria;
			break;
		}
		case 2://SEARCH
		{
			sReportName = link.substring(0, iLinkDirectiveAndIndex[1]);

			// 8 is length of "?search&"
			var iEndSearchIndex = link.toLowerCase().indexOf('&endsearch', (iLinkDirectiveAndIndex[1] + 8));

			sSearchCriteria = link.substring((iLinkDirectiveAndIndex[1] + 8), iEndSearchIndex);
			sResolvedLink = "../viewer/viewframeset.jsp?name=" + encode(sReportName) + "&searchcriteria=" + encode(sSearchCriteria);
			break;
		}
		case 3://SUBMIT
		{
			sReportName = link.substring(0, iLinkDirectiveAndIndex[1]);
			// 7 is length of "?submit"
			sRemainingLink = link.substring(iLinkDirectiveAndIndex[1] + 7);
			if (sRemainingLink.toLowerCase().indexOf("__scheduletype=immediate") != -1)
			{
				sResolvedLink = "../newrequest/do_executereport.jsp?__executableName=" + encode(sReportName) + sRemainingLink;
			}
			else
			{
				sResolvedLink = "../newrequest/do_submitjob.jsp?__executableName=" + encode(sReportName) + sRemainingLink;
			}
			break;
		}
		//CLEANUP: DO NOT REMOVE THE FOLLOWING CASE
		/*case REQUEST:
		{
			sReportName = link.substring(0, iLinkDirectiveAndIndex[1]);
			// 8 is length of "?request"
			sRemainingLink = link.substring(iLinkDirectiveAndIndex[1] + 8);
			sResolvedLink = "../newrequest/index.jsp?__executableName=" + encode(sReportName) + sRemainingLink;
			break;
		}*/
		case 5://GETREPORTDATA
		{
			sReportName = link.substring(0, iLinkDirectiveAndIndex[1]);
			// 14 is length of "?getreportdata"
			sRemainingLink = link.substring(iLinkDirectiveAndIndex[1] + 14);
			sResolvedLink = "../servlet/GetReportData?name=" + encode(sReportName) + sRemainingLink;
			break;
		}
		case 6://GETSTYLESHEET
		{
			break;
		}
		case 7://GETDYNAMICDATA
		{
			break;
		}
		case 8://GETSTATICDATA:
		{
			break;
		}
		case 9://DROP:
		{
			break;
		}
		case 10://VIEWDEFAULT:
		{
			break;
		}
		case 11://VIEWFRAMESET:
		{
			break;
		}
		case 12://VIEWTOC:
		{
			break;
		}
		case 13://VIEWNAVIGATION:
		{
			break;
		}
		case 14://SAVEAS:
		{
			break;
		}
		case 0://NONE:
		default:
		{
			if (isROIFile(sOrgLink))
			{
				sReportName = sOrgLink.substring(0, sOrgLink.toLowerCase().lastIndexOf(".roi") + 4);// 4 is length of ".roi"
				//ENCODING # BECAUSE IT IS NOT ENCODED BY SERVER
				sReportName = sReportName.replace(/#/g, encode("#"));
				sRemainingLink = sOrgLink.substring(sOrgLink.toLowerCase().lastIndexOf(".roi") + 4);// 4 is length of ".roi"

				if (sRemainingLink.length > 0)
				{
					if (sRemainingLink.charAt(0) == '?')
					{
						sRemainingLink = "&"+sRemainingLink.substring(1);
					}
					else if(sRemainingLink.charAt(0) != '&')
					{
						sRemainingLink = "&"+sRemainingLink;
					}
				}
				sResolvedLink = "../viewer/viewframeset.jsp?name=" + sReportName + sRemainingLink;
			}
			else
			{
				sResolvedLink = "../servlet/DownloadFile?name=" + sOrgLink;
			}
		}
	}
	return sResolvedLink;
}


/**
 * Decodes special characters ", ' and & that arrive from the view server
 */
function decodeSpecialCharacters(sText)
{
	sDecoded = "";
	nLen = sText.length;
	for (i = 0; i < nLen; i++)
	{
		c = sText.charAt(i);
		if (c == '%')
		{
			sCode = sText.substring(i + 1, i + 3);
			if (sCode == "22") // DBLQUOTE "
				sDecoded += "\"";
			else
			if (sCode == "25") // PERCENT %
				sDecoded += "%";
			else
			if (sCode == "27") // QUOTE '
				sDecoded += "'";
			else
			if (sCode == "26") // AMPERSTAND &
				sDecoded += "&";
			else
				alert("Unhandled link character %" + sCode);
			i += 2;
			continue;
		}
		else
			sDecoded += c;
	}
	return sDecoded;
}


/**
 *
 */
function debugDataValue(sText)
{
	iSDV = sText.indexOf("DataValue=");
	if (iSDV == -1)
	{
		iSDV = sText.indexOf("DataValue%3d");
		if (iSDV != -1) iSDV += 12;
	}
	else
		iSDV += 10;

	iEDV = sText.indexOf("&EndSearch");
	if (iEDV == -1) iEDV = sText.indexOf("&serverURL");
	if (iSDV == -1 || iEDV == -1)
	{