expression 1 « Development « JSP-Servlet Q&A
1. How comment a JSP expression? stackoverflow.comHow can I comment a JSP expression like: |
2. Using Regular Expressions in JSP EL stackoverflow.comIn EL expressions, used in a jsp page, strings are taken literally. For example, in the following code snippet |
3. el expression in jsp:invoke stackoverflow.comI'm trying to use the following snippet inside my tag file: |
4. JSP: EL expression is not evaluated stackoverflow.comI have a JSP page running on Tomcat 5.5. I have the following code: |
5. El expression doubt stackoverflow.comin EL expression in JSP we can use |
6. TeamCity: Scripting elements jsp:declaration, jsp:expression, jsp:scriptlet are disallowed here stackoverflow.comI am not sure where to begin with this error message. I have tried googling, but I was never able to nail down a solid reason why I am getting this ... |
7. Expression language equivalent stackoverflow.comwhat will be corresponding expression language statement for request.getRemoteUser() ? |
8. JSP EL (Expression Language) causing problems in Eclipse stackoverflow.comMy system: Ubuntu 9.10. Eclipse 3.5.1 with Java EE 1.2.1 (manual install - NOT from synaptic). Web Developer Tools 3.1.1 I've recently adopted someone else's code (a Dynamic Web Project), and run ... |
9. Expression language for IP address stackoverflow.comwhat is the corressponding expression for getting ip adress of server, as ${pageContext.request.serverName} is for getting the server name |
10. Expression Language in jsp not working stackoverflow.comHi I am new to jsp and using Expression language.I am using Eclipse Galileo with version 2.5 and tomcat6 server . I just want to ask that my simple expression language ... |
11. Why do we need out implicit object in JSP When we are supposed to use expressions? stackoverflow.comI am studying JSP. I have a doubt. When we use the Expressions in JSP, then why do we need |
12. Unusual error while using Expression language in JSP only for particular king of properties- Check this stackoverflow.comI have this unusual scenario:
I have a registrationVO with few properties and getter setters for that.
For example |
13. param : implicit EL (Expression Language) object in JSP stackoverflow.comWhat if I have URL like: |
14. ELResolver to escape all string output of expression stackoverflow.comI have an existing web application to which i need to add protection against script attacks. For this i need to escape string before displaying on pages. One approach is a ... |
15. jsp:include not working with Expression Language (JSP version 2.5, EL enabled) stackoverflow.comI've read: http://stackoverflow.com/questions/2168832/expression-language-in-jsp-not-working but it's slightly different. Using EL for referencing file works fine like the one below. |
16. Dealing with Java Expression Language on a page stackoverflow.comI am working on the frontend of a project that gives me Java Expression Language tags to work with. In one instance I need to see if it is returning an ... |
17. JSP expressions do not evaluate with Jetty stackoverflow.comI've spent over a day trying to figure this out, I have looked at the related questions and tried to IRC with the guys at Jetty but to no avail. We moved ... |
18. How to HTML-encode in the JSP expression language? stackoverflow.comConsider the following piece of JSP: ${flashVars} contains ampersands and needs to be encoded before it is output. Instead, JSP expects the value of ${flashVars} to ... |
19. Accessing Java Bean Properties by Expression Language stackoverflow.comI have some Java beans that I am trying to use in a JSP: |
20. Mixing expressions and expression language (<%= %> inside of c:if) stackoverflow.comI need to access some constants in my jsp, and sadly the EL does not offer any functionality for it. There are some options like the unstandard tag library, but I'd like ... |
21. Difference between Java Expressions and Java Scriplets in JSP stackoverflow.comI find myself needing to learn a little bit of JSP for my Software Engineering class. One of our homework questions is as follows: |
22. Are JSP expressions evaluated inside HTML comments of a JSP page? stackoverflow.comAre JSP expressions evaluated inside HTML comments of a JSP page? i.e What would server output in this case? |
23. How to do not evaluate a jsp expression? stackoverflow.comI have a jsp expression for an attribute of a tag: service="${service}" and I don't want the ${service} to be evaluated. How can I do that? Cheers, Daniel |
24. Can JSP expression language be used for Portlet environment? stackoverflow.comI know a few Portals and I've never seen any usage of jsp expression language in any of them. Does it have a reason ? Because it seems, that there are ... |
25. Issue with Expressions when debugging JSP pages stackoverflow.comI'm using eclipse 3.6.1 and WTP 3.2.3 on centOS 5.5.
I have this issue where my expression values are showing up as blank when stepping through a jsp page (see screenshot) |
26. EL expressions are not evaluated in JBoss AS 4.2.2 stackoverflow.comEL expressions are not evaluated in JBoss AS 4.2.2. I have |
27. JSP Expression Language on Jackson's JsonNode stackoverflow.comLet's say I'm using Spring and have a controller that returns a model containing a field |
28. Expression language, don't show variable value stackoverflow.comI am pretty new in Java EE, i am trying use that |
29. Calendar object in Expression language stackoverflow.comHow do i get day, month and year (and every Calendar.XXXXXXX value) in expression language? |
30. JSP error escape quotes in expression stackoverflow.comI need to check type to display correct message like: |
31. Why this regular expression shows safety? stackoverflow.comI have a JSP redemption for XSS attacks, in which it checks if the content matches a regular expression to determine whether it is safe or not, here is the code: |
32. How to get the value in an EnumMap using a key in EL expression? stackoverflow.comI have a EnumMap: public enum Gender {Male, Female};
And I have req.setAttribute("genderMap", genderMap);
Now I want to get the value from genderMap by a ... |
33. JSP: using expressions as values to tablib attributes stackoverflow.comi am tring to create my own taglib, and pass a jsp variable to the taglib, as an attribute value. <%@ taglib uri="/WEB-INF/taglib.tld" prefix="custom"%> |
34. EL expressions in Apache tile definition is not processed stackoverflow.comI am using Apache tiles for templating and part of the template is a header text. This text depends on the section the page belongs to. Each page contains a bean ... |
35. JSP and Adding Strings returned by JSP Expression Scriptlet stackoverflow.comI am having script errors of "Error expected ')'" in IE when attempting to do the following: |
36. Comparing string and boolean in Expression language stackoverflow.comI have this behaviour I do not really understand
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37. Debugging JSP expression ? forums.netbeans.orgUsing NB 6.5.1 and Tomcat. I 've set breakpoint to an expression with method call <%=class.method()%> and can't get into the method. Am I using this right or issue with my ... |
38. How to use debugger to display JSP Expression Language (EL) values forums.netbeans.orgI am using Netbeans 6.71. and I have a JSP page that I call as follows: /myproject/index.jsp?action=list In my jsp page I would like to see the value of by moving ... |
39. JSP expression in a JavaScript coderanch.com |
40. Text box value attribute & javascript expressions coderanch.comI am having a problem with the Text Box's value= attribute and the usage of a javascript expression to prime it. Here's a sample JSP that illustrates the problem: |
41. How do you include one expression inside of another expression? coderanch.com |
42. Using a "less than" symbol in an expression ..... coderanch.comThis is not a JSP issue at all; if you do a "view source" of the page you are sending to the browser, you will see that all the string is there. The problem is that "<" is a reserved markup character and is confusing the browser. As you have discovered, the proper way to emit a reserved character on an ... |
43. Expression Language in Taglibs coderanch.com |
44. Expression Language coderanch.com |
45. JSP 2.0 Expression Language coderanch.com |
46. JSP expression coderanch.comIf I have a statment like |
47. How to insert a SPACE in a JSP expression? coderanch.com |
48. expression language coderanch.com |
49. How do I escape a literal unicode expression? coderanch.com"\u003E" --> "&" "\\u003E" --> "u003E" "\\" --> "\" "\\" + "\\u003E" --> "\u003E" Using entities is easier. public class AsciiUnicodeFilter { public static String doFilter(String s) { return s.replaceAll("<", "<") .replaceAll(">", ">") .replaceAll("\"", """) .replaceAll("&", "&") ; } public static void main(String args[]) { StringBuffer sampleDoc = new StringBuffer(""); sampleDoc.append(" \n") .append("\t |
50. JSP 2.0 Expression Language coderanch.com |
51. Scriptlet and Expression!!! coderanch.com |
52. difference between declaration a variable with Expression and without coderanch.com |
53. Can Expression have nested Expression in a JSP page? coderanch.com |
54. problems with expression langguage in jsp- coderanch.com |
55. XML syntax for JSP expressions coderanch.com |
56. Expression Language coderanch.comHi Hans, How detail will be discussed in the appendix? When I come across SCWCD 1.4 exam, many questions are related to EL. Some of them even give us one goal (for example): I want to print out the number 42, and then give us 6-7 options on EL. I think many syntax of EL can archive the same goal, however, ... |
57. Expression Language not supported in compile time attribute items coderanch.com |
58. Weird Expression Langauge Behavior coderanch.comNot weird at all when you consider that the JSTL has no char type. So both 'Y' and "Y" denote a string with a single character. Refer to section JSP.2.3.2 in the JSP 2.0 Specification. (If you are writing JSPs and don't have a copy of the Specification handy, you're doing it wrong). |
59. JSP2.0 Expression Language web.xml setting coderanch.comI'm using JSP2.0 EL with tomcat 5 version. Also I made the following change in web.xml. But EL is not working. I tried with both global web.xml (conf/web.xml) and local web.xml (webapps/ROOT/web.xml), but EL is not working. Should I do any more changes in my web.xml? Pl help. web.xml ------- |
60. Expression Language does not work coderanch.com |
61. JSP directive attribute from expression coderanch.com |
62. EL test expressions coderanch.com |
63. Not parsed expression coderanch.com |
64. EL expressions are not being evaluated coderanch.com |
65. Expression Language coderanch.com |
66. EL expression evaluation coderanch.com |
67. EL expressions . vs [ ] coderanch.comhello all, iam a newbie to EL plz help me ,if we have a code some thing like this class Person{ Dog dog; setter and getter methods for dog object } class Dog{ Toy toy; setter and getter methods for toy object } and finally Toy class with a name property i know we can toy name using person.dog.toy.name //ofcourse person ... |
68. Expression Not Being Evaluated coderanch.com |
69. Expression Language coderanch.com |
70. EL expression..[ ] operator coderanch.com |
71. Passing an EL expression's value to an EL function coderanch.com |
72. JSP Expression coderanch.comHere is my Jsp source. <%! String text="Welcome to Expression language"; %> Welcome to the jsp programming.If you see this page, it means jsp are also funtioning properly. Text = ${text} When I deploy this jsp on tomcat server. For some reason expression ${text} is not replaced with the text Instead I am just seeing ... |
73. EL expression evaluation coderanch.comHi folks! I'm invoking my servlet through link = http://localhost:8080/test.do?evalparam=duck.name . test.do servlet adds an attribute "duck" of class Duck (JavaBean with "name" property) to request scope. Then I forward a request to test.jsp page. What I want to do is evaluate parameter evalparam=duck.name to EL expression. I know that I could do this by spliting evalparam parameter to two parts ... |
74. EL expression evaluation coderanch.com |
75. Expressions problem coderanch.com |
76. how to write an El expression coderanch.com |
77. El Expression problem coderanch.com |
78. Expression Language Doubt coderanch.com |
79. get value of vbscript variable into JSP expression coderanch.com |
80. el expressions and escaping Javascript strings coderanch.comHi all, I use some el expressions to generate some client-side javascript as follows: ${user.lastName} The problem is that some users' last names contain single quotes (e.g. O'Reilly), so I'll need to escape them with \'. Is there any way to do this with el / jstl, so ... |
81. Nested JSP Expressions not working coderanch.comSorry about the smilies, and thanks for the reply. It explains why the |
82. Accessing Constants in Expression Language coderanch.com |
83. Expression Language not working coderanch.comHello everyone, I am trying to print the value ${2+5} or similar in JSP, but it's not working and result shows just the same "${2+5}. How can I get the desired result. Is there some configuration I missing at. Please help. Thanks & Regards, Varun Narang. [ March 08, 2006: Message edited] Sorry for not including the version information with the ... |
84. annoying expression coderanch.com |
85. Expression and EL coderanch.comOriginally posted by Ed Ward: I don't think it has to be a scoped attribute. It could just as well be a JSP variable of that name declared using the variable directive and set in a tag file (or a tld for a tag using the |
86. help me to avoid scriptlets, declaration & expression... coderanch.com |
87. illegal start of expression coderanch.com |
88. evaluate dynamic expression language coderanch.com |
89. using el expressions in Jsp coderanch.com |
90. regarding expression language coderanch.com |
91. Expression Language coderanch.com |
92. How to use Expression Language(EL)? coderanch.com |
93. c:forEach and runtime "end" expression coderanch.comIn the following jsp snippet, I'm trying to use the length of an array to set the limit. The reason, as can be seen from the body of the |
94. JSP Expression Language question coderanch.com |
95. Use of Class constants in EL expressions coderanch.com |
96. I need to put a newlin in jsp:expression coderanch.com |
97. Trouble using JSP expression inside a custom action attribute coderanch.comThanks for observing that <%! %> is non-thread safe ... you seem to be very concerned about that fact. Can you help me understand why I should care about thread safety for a variable whose value I don't plan to update (only read)? I don't see how there's a race condition that I should be concerned about? |
98. expression language coderanch.com |
99. Is it possible to make a custom action recognize EL expressions? coderanch.com |
100. JSP Expression question coderanch.comHi All, I have a simple JSP Expression question <%=" MY NAME IS JOHN "; > The above tag prints MY NAME IS JOHN. It deletes the leading and trailing spaces and the spaces between two words as well. In my case i used following tag <%= fun();> fun() is a function that returns dynamic data say for e.g " MY ... |
