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By: jconner2525
As far as I can tell there is no clean way to do this (ie. no implicit
variable).
Here is a code snippet I wrote to achieve a good enough solution for me, maybe
it will help someone else out there.
public void addPageAndSortParam(HttpServletRequest request, String formId) {
//ex. d-16344-p=2 page
//ex. d-16344-s=0 sort
//ex. d-16344-o=1 ascending or descending
ParamEncoder paramEncoder = new ParamEncoder(formId);
String pageParamName = paramEncoder.encodeParameterName("p");
String sortParamName = paramEncoder.encodeParameterName("s");
String orderParamName = paramEncoder.encodeParameterName("o");
String pageValue = request.getParameter(pageParamName);
String sortValue = request.getParameter(sortParamName);
String orderValue = request.getParameter(orderParamName);
StringBuffer result = new StringBuffer();
if (pageValue != null) {
addNameAndValue(result, pageParamName, pageValue);
}
if (sortValue != null) {
addNameAndValue(result, sortParamName, sortValue);
}
if (orderValue != null) {
addNameAndValue(result, orderParamName, orderValue);
}
request.setAttribute("pageAndSort", result.toString());
}
public void addNameAndValue(StringBuffer result, String name, String value) {
result.append("&");
result.append(name);
result.append("=");
result.append(value);
}
I then just added the following to my url:
<a href="<c:out value='${deleteUrl}' escapeXml='false'/><c:out
value='${pageAndSort}'/>">delete</a>
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