String « JSTL « JSP-Servlet Q&A





1. converting strings to Title case in JSTL    stackoverflow.com

Is there any way to convert a string to Title case, using JSTL tags? Thanks in Advance.

2. Evaluate list.contains string in JSTL    stackoverflow.com

I need to hide an element if certain values are present in the JSP The values are stored in a List so I tried:

<c:if test="${  mylist.contains( myValue ) }">style='display:none;'</c:if>
But, it ...

3. Sending & in query String    stackoverflow.com

From first.jsp I am sending some parameters to result.jsp as -

<a href="result.jsp?itemId=${itemId}&itemName=${item.itemName}&itemCode=${item.itemCode}')">Show Items</a>
Here ${item.itemName} can have values like "food & stationary". When item name contains an "&", I am not able ...

4. How can I concatenate a string within a loop in JSTL/JSP?    stackoverflow.com

<c:forEach items="${myParams.items}" var="currentItem" varStatus="stat">
  <c:set var="myVar" value="<c:out var="myVar" />" />
</c:forEach>
I want to concatenate the values of currentItem.myVar and output it at the end of the loop, problem is I can't ...

5. How to convert an arbitrary object to String with EL + JSTL? (calling toString())    stackoverflow.com

Is there any way to call toString() on an object with the EL and JSTL? (I need the String representation of an enum as index in a map in a JSP ...

6. Limit string length in FreeMarker    stackoverflow.com

I'm trying to get a substring from a string in FreeMarker. However there are 2 thigns to consider:

  1. The string can be null
  2. The string can be shorter then the maximum string length
I do ...

7. Convert integer value to string using JSTL/EL    stackoverflow.com

How do I correct this statement:

${model.myHashtable[model.data.id]}.
myHashtable is defined as
Hashtable<String, String>
But, ${model.data.id} returns an int. I tried to do something like
${model.myHashtable['model.data.id']}
But it does not work. Any other ideas, aside from changing the type ...

8. String Concatenation in EL    stackoverflow.com

I would like to concatenate a string within a ternary operator in EL(Expression Language). Suppose there is a variable named value. If it's empty, I want to use some default text. Otherwise, ...

9. javax.el.PropertyNotFoundException: Property 'clientId' not found on type java.lang.String    stackoverflow.com

I know this might be silly question and i tried googling but didnt got perfect answer. I am using following code

<c:forEach var="aggregatedBatchProgressMetrics" items="${batchProgressMetricsList}">  
    <jsp:include page="html/tableContentsDisplayer.jsp">  
 ...





10. Retrieve value from query string?    stackoverflow.com

How to retrieve value from querystring using expression language. Regards, Raj

11. JSTL tags return null/empty in Javascript calls and HTML elements    stackoverflow.com

This is a really confusing error, as it crops up in some of the webpages that I'm creating, but not in others, although syntactically the elements are identical. For example, this doesn't ...

12. How to uri encode a string in jsp?    stackoverflow.com

if I have a string "output" that equals a url:

${output} = "/testing/method/thing.do?foo=testing&bar=foo"
in the jsp, how would I convert that string into:
%2Ftesting%2Fmethod%2Fthing.do%3Ffoo%3Dtesting%26bar%3Dfoo
using
<c:out value="${output}"/>
? I need to URLEncoder.encode(url) in the c:out somehow.

13. left open parenthesis messes up my string buffer    stackoverflow.com

I got a string buffer which I then put into a bean and call on a webpage with JSTL. I want it to output something like 10/10/1987 (23 years). The first ...

14. c:forEach returning String instead of Object    stackoverflow.com

I have a request scoped Struts 1 Action which contains a list of custom POJO objects from my application. Inside the action, I use request.setAttribute("myForm", myForm) to set the form value. ...

15. JSTL String concatenation - How can we achieve this?    stackoverflow.com

In my JSP.. I am now accessing a session scoped variable using ${sessionScope.var1}, $sessionScope.var2}, but i want this 1,2 .. so on, in the var1, to be appended from jstl like ...

16. String concatenation in JSP EL, inside a function    stackoverflow.com

How can I do a concatenation like this in EL

<c:out value="${r:urlEncode(game.index+'/?=')}" />
This doesn't work because it wants to add game.index and '/?=' as numbers, which would be rather silly. I've also tried ...





17. How to concatenate a String in a conditional operator in EL?    stackoverflow.com

How do I get the promoPrice variable to print as part of the string ONLY $4.67?

<c:set var="promoPrice" value="4.67" />
<p>${(promoPrice != null) ? "ONLY $${promoPrice}" : "FREE"}</p>

18. The method replace(String, String, String) in the type Functions is not applicable for the arguments (StringBuffer, String, String)    stackoverflow.com

Here is my jsp file:

<%@ page contentType="text/plain" %>
<%@ page pageEncoding="UTF-8"%><%@ taglib uri='http://java.sun.com/jsp/jstl/core' prefix='c'%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn" %>
<c:out value="${fn:replace(pageContext.request.requestURL, pageContext.request.requestURI, '')}" /><c:out value="${model.uri}" />
I am getting the error
The method replace(String, String, String) ...

19. Access TreeMap entries by string key in JSTL    stackoverflow.com

This is pretty similar to some other questions, but nobody else is working with string keys. So here we go. I've got a TreeMap with a set of category names, keyed by ...

20. How might I retrieve a JSTL tag from a string    stackoverflow.com

I have a JSTL tag in the form of a string i.e. <c:import url="someurl"></c:import>. I want to convert this string to a JSTL tag in a JSP app. How ...

21. C:foreach returns String (Not Object) with JSP2.0    stackoverflow.com

I am getting string objects instead of Person objects in my JSTL. Here is the code in my .tag file:

 <%
List<Person> perList=(List<Person>)pageContext.getAttribute("myVehicles");
 HashMap<String, com.info.PersonInfo> personRatingsMap=(HashMap<String, com.info.PersonInfo>)pageContext.getAttribute("personsMap");
 com.info.PersonInfo rtg=null;
 int i=0;
 HashMap<String, Object> ...

22. UrlEncode the String    stackoverflow.com

Possible Duplicate:
How to URL-encode a String with JSTL?
I am trying to url encode the string..
<c:out value="${filter.value.display}"/>
I tried this way
<%@ taglib prefix="encodeft" uri="http://java.net" %>
<c:out value="${encodeft:URLEncoder.urlEncode(filter.value).display}"/> ...

23. How to check in JSTL whether object is String or Collection?    stackoverflow.com

I'm using JSTL and want to check whether an object is a String or a Collection. fn:length returns results on both types (stringsize or number of elements in the collection).

<c:if test="${fn:length(item)>1}">
  ...

24. Accessing the contents of Map> in jsp using key value    stackoverflow.com

I have a jsp page that receives a HashMap object of this type: Map<Long, Map<String, Object>>. An example of this map would be:
foo = {1 = {id=1, response="someText"}, 2={id=99, response="random"}}; I ...

25. How to encode string in JSTL or JSP    stackoverflow.com

How to encode string in JSTL or JSP? ${itemTitle} contains quotes("), so IE is unable to parse and total page is broken.

28. jstl-c length of a string in c:if test    coderanch.com

29. JSTL and basic String methods    coderanch.com

30. JSTL - test for string equals()    coderanch.com

31. Searching for string usign JSTL    coderanch.com

Is it possible to search & replace line breaks using JSTL? I want to populate a JS array with code coming from the database, but there is some text which comes with line breaks within it. Is there any way to search for the line breaks and remove then, so the JS can read it all alright??

32. length of string - JSTL    coderanch.com

33. JSTL EL convert Long to String    coderanch.com

34. Convert int to String using jstl tags    coderanch.com

36. JSTL -- converting string to integer    coderanch.com

37. Way to reverse a string in JSTL ?    coderanch.com

Firstly, I would do this in the page controller before the JSP is ever invoked. Failing that, I'd write an EL function or custom tag to do it. Failing that, it could probably be done using a combination of EL, JSTL and JSTL-provided EL functions, but it'd be such a mess that I wouldn't really consider doing it this way.

40. Java String to html var    java-forums.org

41. problem in retriving string data using jsp    java-forums.org

44. JSTL-EL: ServletException : Unable to convert to string "${foo}"    java-forums.org

Hi, I have a JSP (web.xml is 2.3 DTD) that I have added my own tag to. The page unfortunately is full of scriplets and I need to pass a scriplet variable to my new tag. My tag is EL enabled (i.e. it uses the ExpressionEvaluationManager to process its args) so I have something like: <% MyTopicClass mytopic = (MyTopicClass)iterator.next(); pageContext.setAttribute("topic", ...

45. Retrieve String in textarea    java-forums.org

46. How to send a large string from client to server?    java-forums.org

Hi All, I am trying to upload images to the server in the form of encoded Strings which could be as large as the size of the image. I am getting java.net.SocketException:because of the large size of String. Can someone let me know if theres an alternate way to send such large strings. Thanks, Venkat

47. Hot to convert string to int ????    java-forums.org