Questions tagged [jstl]
JSTL (Jakarta Standard Tag Library) is a XML based standard tag library which offers tags to control the flow in a Facelets or JSP page, date/number formatting and internationalization facilities and several utility EL functions.
jstl
5,488
questions
4
votes
4
answers
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Howto deactivate caching inside a jsp page
I understand there is a HTTP response header directive to disable page caching:
Cache-Control:no-cache
I can modify the header by "hand":
<%response.addHeader("Cache-Control","no-cache");%>
...
- 9,862
2
votes
3
answers
5k
views
Can I use a Hashtable in a unified EL expression on a c:forEach tag using JSF 1.2 with JSP 2.1?
I have a Hashtable<Integer, Sport> called sportMap and a list of sportIds (List<Integer> sportIds) from my backing bean. The Sport object has a List<String> equipmentList. Can I do the ...
- 3,366
108
votes
13
answers
125k
views
Access Enum value using EL with JSTL
I have an Enum called Status defined as such:
public enum Status {
VALID("valid"), OLD("old");
private final String val;
Status(String val) {
this.val = val;
}
public ...
- 12.6k
29
votes
7
answers
82k
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accessing constants in JSP (without scriptlet) [duplicate]
I have a class that defines the names of various session attributes, e.g.
class Constants {
public static final String ATTR_CURRENT_USER = "current.user";
}
I would like to use these constants ...
- 186k
21
votes
7
answers
58k
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Calculate total sum of all numbers in c:forEach loop
I have a Java bean like this:
class Person {
int age;
String name;
}
I'd like to iterate over a collection of these beans in a JSP, showing each person in a HTML table row, and in the last row ...
- 186k
3
votes
2
answers
5k
views
How does jstl's sql tag work?
I'm using the following code to query a database from my jsp, but I'd like to know more about what's happening behind the scenes.
These are my two primary questions.
Does the tag access the ...
- 86.9k
14
votes
5
answers
131k
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test attribute in JSTL <c:if> tag
I saw some code like the following in a JSP
<c:if test="<%=request.isUserInRole(RoleEnum.USER.getCode())%>">
<li>user</li>
</c:if>
My confusion is over the "=" that ...
- 186k
18
votes
2
answers
43k
views
Formatting a long timestamp into a Date with JSTL
I am pulling a long timestamp from a database, but want to present it as a Date using Tags only, no embedded java in the JSP. I've created my own tag to do this because I was unable to get the ...
- 12.7k
1
vote
5
answers
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In JSTL/JSP, given a java.util.Date, how do I find the next day?
On a JSTL/JSP page, I have a java.util.Date object from my application. I need to find the day after the day specified by that object. I can use <jsp:scriptlet> to drop into Java and use java....
- 58.8k
0
votes
2
answers
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How do I get rid of "Cannot resolve property key" in fmt:message tags in JSPs in Intellij
This one has been bugging me for a while now.
Is there a way I can stop Intellj IDEA from reporting missing keys in tags?
My messages are not stored in property files so the issue does not apply in ...
- 5,565
45
votes
14
answers
105k
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How can I replace newline characters using JSP and JSTL?
I have a list of bean objects passed into my JSP page, and one of them is a comment field. This field may contain newlines, and I want to replace them with semicolons using JSTL, so that the field can ...
- 1,649
0
votes
2
answers
2k
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Embedded custom-tag in dynamic content (nested tag) not rendering
Embedded custom-tag in dynamic content (nested tag) not rendering.
I have a page that pulls dynamic content from a javabean and passes the list of objects to a custom tag for processing into html. ...
- 1,346
7
votes
1
answer
1k
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Which JSTL URL should I reference in my JSPs? [duplicate]
I'm getting the following error when trying to run a JSP.
I'm using Tomcat 6.0.18, and I'd like to use the latest version of JSTL.
What version of JSTL should I use, and which URL goes with which ...
- 86.9k