Use of Includes in classes

Hi,
I am wondering if it is possible to use existing Includes (e.g. constants) in global classes as well. I don't want to create the same constants again and have double maintenance.
Is there any trick to point e.g. new class-constants to the existing ones?
Thanks,
Ralf

Hi Rich,
thanks for your answer.
wow, this seems to be a little more complex. I get an compiler error when adding the include directly into the Local Type Definition. So I created a local class like in your example and added the include there in the public section.
Now I can access the constants like LCL_CON=>CON_XXX in my global class. So at least I can use the constants there.
I also tried to have class constants which will have the value LCL_CON=>CON_XXX. This works, but with the restrictions that I only can have the visibility "Private" for my class constants... so no access e.g. from a Web Dynpro Component.
A web dynpro colleague told me that you will get a checkman error (Prio 1 or 2) so I finally cannot use it
The clean solution is to create a new interface with the constants and change the include so that the constants in the include points to the values of the interface.
Still, thanks a lot for your help !
Regards,
Ralf

Similar Messages

How to include a .class file in a jsp page

hi everyone,
i know the syntax as:
<%@ include file = "filename.class" %>
then at run time the server could not find the class file
if i use,
<%@ page import = "FileName.class" %>
then also the same problem persists
& if i use
<jsp:include page = "Relative address"/>
the problem still remains as it is...
please help me out...i am working on developing an EJB application in which client interacts with server's Stateful session bean through a jsp page...it is necessary for me to include the home interface class file in my jsp page.
P.S. do not suggest me to include the class file in a package & then use
<%@ page import = "packageName.ClassFileName" %>
i
Edited by: Ankit_JIITU on 6 Jul, 2008 1:55 AM

Ankit_JIITU wrote:
i have already included the remote interface class file by <%@ page import = "University.RemoteInterfaceName" %>in my jsp page ...
if i try to make a new package called test & then include my home interface in that package...i need to import University.*to generate the class file of my home interface ; but the class file generation is not taking place as i am getting the error..
"package University does not exist".How can i overcome this problem. The package University, which you are trying to import, must be in the classpath. If you removed it then you will have to add it back.
i have tried my best..but tell me if there's any possible way of including a class file in the jsp page without involving a package.No, there isn't.
If not,then pls help me to generate the class file of my home interface within a package called test.Read the New To Java Tutorial and understand how packages work.
>
i am assuming that u have a deep knowledge of developing EJB applications.

Problem using jsp:include from inside a custom tag

Hi, All !
          I have a problem using <jsp:include> from inside a custom tag. Exception is:
          "java.lang.ClassCastException: weblogic.servlet.jsp.BodyContentImpl"
          Apparently, weblogic tries to cast BodyContentImpl to JspWriterImpl and
          could not do this. Is it a bug, since in the 1.1 spec is said: "The
          BodyContent is a subclass of JspWriter that can be used to process body
          evaluations so they can retrieved later on."
          My code is:
          <wfmklist:items>
          <jsp:include page="item.jsp" flush="true"/>
          </wfmklist:items>


This is an area of contention with WL. It is not so tolerant with regards to
          the spec. I spent several days recently trying to convince it to accept the
          specification in regards to bodies and includes and it appears to have
          successfully rebuffed my efforts.
          Frankly, this is very disappointing. It appears that some shortcuts were
          taken on the way to JSP 1.1 support, and the result is a very hard-coded,
          inflexible implementation. As I have not seen the implementation myself, I
          hate to assume this, however one could posit that the term "interface" was a
          foreign concept during the implementation, other than as some annoying
          intermediary reference requiring an immediate cast to a specific Weblogic
          class, which in turn is apparently required to be final or have many final
          methods, as if being optimized for a JDK 1.02 JIT.
          I am sorry that I don't have any positive suggestions other than to use a
          URL object to come back in an execute the necessary "include" directly. You
          lose all context (other than session) and that can cause its own problems.
          However, you can generally get the URL approach to work, and you will
          hopefully avoid further frustration.
          Peace,
          Cameron Purdy
          Tangosol, Inc.
          http://www.tangosol.com
          Tangosol: How Weblogic applications are customized
          "Denis" <[email protected]> wrote in message
          news:[email protected]...
          > Hi, All !
          > I have a problem using <jsp:include> from inside a custom tag. Exception
          is:
          > "java.lang.ClassCastException: weblogic.servlet.jsp.BodyContentImpl"
          >
          > Apparently, weblogic tries to cast BodyContentImpl to JspWriterImpl and
          > could not do this. Is it a bug, since in the 1.1 spec is said: "The
          > BodyContent is a subclass of JspWriter that can be used to process body
          > evaluations so they can retrieved later on."
          >
          > My code is:
          > ...
          > <wfmklist:items>
          > <jsp:include page="item.jsp" flush="true"/>
          > </wfmklist:items>
          > ...

Using jsp:include in iPlanet6SP2

I'm trying to include a common jsp file, say [proj_common]/common.jsp, from
another jsp file, say [proj_parent]/parent.jsp, using <jsp:include>. After
deployment both files sit under their respective folders (for example in
c:\iplanet\ias6\ias\APPS\modules) as [proj_common]/common.jsp and
[proj_parent]/parent.jsp. I've included a relative path from [proj_parent]
to [proj_common], and here's the code I've added in
[proj_parent]/parent.jsp:
<jsp:include page="../[proj_common]/common.jsp">
<jsp:param name="p1" value="v1"/>
</jsp:include>
I'm using only static HTML in common.jsp as a test. The following error then
occured when I view [proj_parent]/parent.jsp :
500 SC_INTERNAL_SERVER_ERROR
Error: 500 SC_INTERNAL_SERVER_ERROR
javac error:
c:\iplanet\ias6\ias\APPS\modules\[proj_parent]\WEB-INF\compiled_jsp\jsp\APPS
\[proj_parent]\..\[proj_common]\common.java:1: Identifier expected.
package jsp.APPS.[proj_parent]....[proj_common];
^ (pointing under 2nd dot of ....)
c:\iplanet\ias6\ias\APPS\modules\[proj_parent]\WEB-INF\compiled_jsp\jsp\APPS
\[proj_parent]\..\[proj_common]\common.java:11: Superclass HttpServlet of
class common not found.
public class common extends HttpServlet {
^ (pointing under HttpServlet)
2 errors
I believe this is not a path error (since that error explicitly tells me the
included file cannot be found). I have read other previous messages and
learn that there is a problem with <jsp:include> and relative paths... Also
a test when both files are in the same directory shows no problem at all. Is
there a solution to this problem of parsing relative paths in SP2?
Thanks and regards,
Anthony Yuen

Another strange thing happened:
We have been including html and jsp files. From a certain point the system was
not able to include html files. When we renamed html includes to jsp, it was
working again.
Has anyone experienced the same thing?
Does anyone know the resolution?
Regards,
Gyorgy
Anthony Yuen wrote:
I'm trying to include a common jsp file, say [proj_common]/common.jsp, from
another jsp file, say [proj_parent]/parent.jsp, using <jsp:include>. After
deployment both files sit under their respective folders (for example in
c:\iplanet\ias6\ias\APPS\modules) as [proj_common]/common.jsp and
[proj_parent]/parent.jsp. I've included a relative path from [proj_parent]
to [proj_common], and here's the code I've added in
[proj_parent]/parent.jsp:
<jsp:include page="../[proj_common]/common.jsp">
<jsp:param name="p1" value="v1"/>
</jsp:include>
I'm using only static HTML in common.jsp as a test. The following error then
occured when I view [proj_parent]/parent.jsp :
500 SC_INTERNAL_SERVER_ERROR
Error: 500 SC_INTERNAL_SERVER_ERROR
javac error:
c:\iplanet\ias6\ias\APPS\modules\[proj_parent]\WEB-INF\compiled_jsp\jsp\APPS
\[proj_parent]\..\[proj_common]\common.java:1: Identifier expected.
package jsp.APPS.[proj_parent]....[proj_common];
^ (pointing under 2nd dot of ....)
c:\iplanet\ias6\ias\APPS\modules\[proj_parent]\WEB-INF\compiled_jsp\jsp\APPS
\[proj_parent]\..\[proj_common]\common.java:11: Superclass HttpServlet of
class common not found.
public class common extends HttpServlet {
^ (pointing under HttpServlet)
2 errors
I believe this is not a path error (since that error explicitly tells me the
included file cannot be found). I have read other previous messages and
learn that there is a problem with <jsp:include> and relative paths... Also
a test when both files are in the same directory shows no problem at all. Is
there a solution to this problem of parsing relative paths in SP2?
Thanks and regards,
Anthony Yuen

Binding properties of a root node and using fx:include.

I posted a downloadable example of this here:
https://dl.dropboxusercontent.com/u/8788282/binding-test.zip
I've noticed some understandable, but less than perfect behaviour with the way FXML initialization is done when using fx:include. I find it's difficult to bind properties that belong to the root node of the included view without shooting yourself in the proverbial foot. Here is an example of what I mean:
sample.Main
package sample;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
public class Main extends Application {
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sample.MainController
package sample;
import javafx.fxml.FXML;
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sample.MainView (FXML)
<?xml version="1.0" encoding="UTF-8"?>
<?import javafx.scene.control.Label?>
<?import javafx.scene.layout.*?>
<AnchorPane prefHeight="200.0" prefWidth="200.0"
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            xmlns="http://javafx.com/javafx/2.2"
            fx:controller="sample.MainController">
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              AnchorPane.topAnchor="0.0">
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</AnchorPane>
sample.SubController
package sample;
import javafx.beans.binding.Bindings;
import javafx.fxml.FXML;
import javafx.scene.control.Label;
import javafx.scene.layout.AnchorPane;
public class SubController {
    @FXML
    private AnchorPane anchorPane;
    @FXML
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    @FXML
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sample.SubView (FXML)
<?xml version="1.0" encoding="UTF-8"?>
<?import javafx.scene.control.Label?>
<?import javafx.scene.layout.*?>
<AnchorPane id="AnchorPane" fx:id="anchorPane" maxHeight="-Infinity"
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            xmlns="http://javafx.com/javafx/2.2"
            fx:controller="sample.SubController">
    <children>
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              AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0"
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</AnchorPane>
The comments in the initialize method of SubController explain what's happening. I found it a bit confusing until I figured out what was going on. Should FXMLLoader be checking to see if a property is already bound before trying to set it, at least for nodes declared via fx:include?

Hi Gaurave,
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Hello I have some questions.
The test was conducted in the following procedure .
create table test
c1 varchar2(10),
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INDEXED CONDITION:   <NULL>
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STEP:                4
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OPERATION:           UnionMergeSort
TBLNAME:             <NULL>
IXNAME:              <NULL>
INDEXED CONDITION:   <NULL>
NOT INDEXED:         <NULL>
Maybe you can apply a similar trick? If you know there is no possibility of duplicate rows then you can further optimise this (in terms of performance) by using UNION ALL.
Chris

Use of Includes in classes

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