Objects as parameters?

Hello I have a question. I have 2 classes: a simpleInterest and compoundInterest. Now they pretty much do the same thing except calculate differently. Now my problem is that depending on what type of interest a person wants, I should do this somehow by passing an object simpleInterest or compoundInterest instead of having two seperate methods. Heres an example:
public void promptSetInterestRate(i dont know what thecrap to put here)
double inputValue;
String input;
input = JOptionPane.showInputDialog
("Please enter in an interest rate.");
inputValue = Double.parseDouble(input);
//confused here also
interestClass.setInterestRate((double)inputValue);
both interest classes have the same method names and parameters

Both the interest classes should implement the same interface, or subclass the same (probably abstract) class. The method names of the classes are determined in that interface or superclass (or at least, the method names that are called by the method you showed).
So in the parameter list of that method, put in that interface or superclass name as the type of the parameter.
Given your example, the name of the parameter would be "interestClass".
This is basic polymorphism.

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Non-string objects as parameters to an applet

how can i pass non-string objects as parameters to an applet?
thanks in advance...

those are some objects that i wroteThen, you could use Class.forName() method for your string parameters.
If you get the classes, then you can call newInstance() method on them to get objects.
Alternative way could be using your string parameter as index or keys for some
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Contract-automatic display sub screen in 'object info parameters' config.

Dear Sir,
What is the utility of 'contract-automatic display' sub screen in 'object info parameters' config.
Where and how we can view it?
For kind help please.
Thanks and Regards,
R N Sabat.

Hi,
Go to tcode OIMD see tick mark to AUTOMATICALLY & carryout following changes
tick mark to if contract under tab contract automatic display
even if you want to see how many contracts are created and completed then speciefy
value in
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50 if you created 50 contracts for object it will display but not more than 50,so you can assign number between 1 to 99
kapil

Objects as parameters in IDL????

When I write my IDL files I have methods that will take objects (other remote corba object references) as parameters.
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Any help in this would be greatly appreciated...
Best Regards,
George Darragh
**********One of my many errors (:-) is**********
CORBAServer.java:206: DBClientServant should be declared abstract; it does not define getInsertClientSQL(java.lang.String) in DBClientApp._DBClientImplBase
class DBClientServant extends _DBClientImplBase {
^
**********The IDL I have relevant to this is**********
module DBClientApp{
     interface DBClient {
          string getInsertClientSQL(in string InClient ); <-- objects as parameters
          string getUpdateClientSQL(in string InClient); <-- objects as parameters
          string getDeleteClientSQL(in long ClientID);
          string getClientUsingID(in long ClientID);
          string getallClients();
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};

hi,
check this code out..i am using objects and callback clients..
typedef sequence<double> value;
/* these are the methods availbale to server to invike on client*/
interface frequencies{
value freq(in value num,in long f);
void shutdown();
/* once client starts up, it registers the object with server */
interface Eigen{
void addClient(in frequencies obj);
this should help you out..
ls

Java and COM Object out parameters

I have a COM object written in C++ that can't be modified. It has several methods with output parameters.
Can java create an instance of the COM object and pass a reference to a Variant in this case or any objects to be filled by the COM object? My output parameter keeps coming back null, but I know that the COM object is working.
Bill

You didn't say anything about how you are bridging java <-> COM.
If it's via JNI, one way you could deal with this is to write a "wrapper" dll that can speak COM, but which can turn the output data into something more palatable to java - say an object that the wrapper can return.

OLE object -Properties/Parameters of a method

HI,
Sample code,
CREATE OBJECT application 'excel.application'.
SET PROPERTY OF application 'visible' = '1'.
CALL METHOD OF application 'Workbooks' = workbook.
CALL METHOD OF workbook 'Add'.
CALL METHOD OF sheet 'Cells' = cells EXPORTING #1 = index.
GET PROPERTY OF cells 'Font' = gs_font .
SET PROPERTY OF gs_font 'Bold' = 1.
SET PROPERTY OF gs_font 'ColorIndex' = 5.
SET PROPERTY OF cells 'Value' = 'Server name'.
In this sample code , properties Visible, Bold, Colorindex, Value are set to some values.
How to find these properties ?
In which DB Table they are stored ?
How to get all the properties/parameters of a method ?
All are concerned with ABAP OLE Objects .
Pls help regarding this .

Hi
Try make in Excel a macro, which do what you need and analyse than the code of the macro.
It is very helpfull to find the properites.
JS

Callable object Output parameters does not show up if I use VC

I have a VC view. Finally the output of a form is fed as input to a stored procedure data service. The stored procedure data mode has 2 output ports:
OUTPUT
RESULT
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Hi,
Hope the below link will help you:
[Modeling Visual Composer iViews for Guided Procedures|http://help.sap.com/saphelp_nw04s/helpdata/en/44/429bbd709914bce10000000a155369/content.htm]
[Defining Output Parameters and Result States|http://help.sap.com/saphelp_nw04s/helpdata/en/44/429f01709914bce10000000a155369/content.htm]

How to create web services with complex objects as parameters

Hi,
Not sure if this is the right place, but...
I'm using Netbeans 5.5 and trying to learn web services.
Creating a simple web service with simple parameters like strings and integers is nice and easy. I'm now trying to take the next step, and create a web service with a more complex schema as a parameter.
I've tried two approaches, and hit dead ends on both:
(1) Define my complex schema as an xsd file, and then create a WSDL file. Creating the schema and saving it in my EFB project works fine; when I try to create a new WSDL file, the IDE gives me a button to import external schemas - which is where the problem is: the Browse simply won't find my newly created schema file.
(2) Define a Java class (in this case, it's a fairly simple example containing a single ArrayList), and then use the IDE to generate a web service from Java. The IDE does this fine, but I now have no idea how to consume or test the web service - I don't know where to look for the WSDL that has presumably been generated, and I'm also a bit iffy over what answers to give the WSDL creator about port names etc.
Ideally, I'd prefer to get approach 1 to work - can someone point me in the direction of a sensible tutorial for these things?
(Happy to carry on using Netbeans 5.5 or to revert to Sun Studio Enterprise, which I was playing with before.)
All help appreciated, Thanks

- For NetBeans related questions, nbusers mailing list is more suited. It is often visited by NetBeans experts.
http://www.netbeans.org/community/lists/top.html
...[email protected]
The NetBeans users mailing list. General discussion of NetBeans use, this is the place to ask for help and to help others.... (There is a 'Subscribe' button next to the above that you can use to subscribe to the list).
Can you try posting this question on nbusers list?
- SJSE 8.1 is based on an older version of NB (NB5.0).
You should definitely continue with NetBeans, since all development is now being done in NetBeans; all the major JSE modules have been moved to opensource at netbeans.org and are all being developed there. There are as yet no future plans to work on further releases for JSE.
Please check out http://www.netbeans.org for more details.

Java object XSLT parameters problem. JDK vs Xalan.

Hello all,
I need to create a small application which requires to run some transformation interacting with a number of Java classes.
Small example is below: I have a Java class, which I'm going to use within transformation.
package com.example;
public class Document
private String filename=null;
public String getFilename() {
    return this.filename;
}and transformation which extracts some information from the passed parameter object
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:document="com.example.Document">
    <xsl:param name="theDocument"/>
    <xsl:template match="/">
        <example>
            <xsl:value-of select="document:getFilename($theDocument)"/>
        </example>
    </xsl:template>
</xsl:stylesheet>The code which launches transformation is following:
        try {
            TransformerFactory factory = TransformerFactory.newInstance();
            Templates template = factory.newTemplates(new StreamSource(new FileInputStream(transformationFilename)));
            Source source = new StreamSource(new FileInputStream(theSourceFilename));
            Result result = new StreamResult(new FileOutputStream(theTargetFilename));
            Transformer transformer = template.newTransformer();
            transformer.setParameter("theDocument", theDocument);
            transformer.transform(source, result);
        } catch (TransformerConfigurationException e) {
            e.printStackTrace();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
    }When I run it I get
ERROR: 'Cannot find external method 'com.example.Document.getFilename' (must be public).'
FATAL ERROR: 'Could not compile stylesheet'at this line
Templates template = factory.newTemplates(new StreamSource(new FileInputStream(transformationFilename)));I made a test with a variable, when Document instance is not a parameter but an instance created within transformation and assigned to an XSLT variable. Everything works fine in variable case, but not with parameter.
Once I've added Xalan-2.7.1 .jars to the classpath it had been fixed. I guess the issue is described here (yep, I'm using 1.5).
XSLTC does not support all the extensions that Xalan does. These extensions are beyond the definition of the JAXP and XSLT specifications. For those users impacted by this, the work around of downloading the Xalan classes from Apache is still available. Also, going forward we expect to be supporting more and more extensions in XSLTC.
However, I'd like to find Xalan free solution. Could someone explain what is the difference and how implement the same behaviour without using Xalan?
Thank you in advance.

georgemc, your answer may not have helped the original poster, but it just helped me out. So, thank you very much.
To clarify, for the benefit of anyone else who encounters this issue, it looks as if a possible cause of the 'Cannot find external method' error is that the transformer is defaulting to something - possibly XSLTC - that does not support certain extension methods. Ensuring that a recent Xalan JAR is in the classpath may resolve the problem.
Edited by: slamci on Mar 13, 2010 11:14 AM

Passing objects as parameters

Hi folks,
I've got a general rather than a specific query here, and just need a bit of clarification as to whether or not I'm doing things right (I'm relatively new to Java).
Basically, I've set up several "sub classes" extending a parent class. In my code, I pass an object of a subclass into another class - this class then checks to see what subclass the object belongs to before doing some more fancy stuff. It's probably easier to explain if I show you basic code, so...
public ClassMain extends JFrame // or something
public ClassMain(final ParentClass MyObject) // I have a question about this
If (MyObject instanceof SubClassA)
((SubClassA) myObject).setName("I'm an object of SubClassA"); // I have a question about this
If (MyObject instanceof SubClassB)
((SubClassB).setName("I'm an object of SubClassB");
// Obviously, I've printed this to the console elsewhere!
// etc. etc.
}Very simple stuff up there, I hope it explains what I'm trying to do. Anyway, my specific questions are:
(1) When I originally tried to compile my application, Eclipse threw an exception and advised that I add the "final" keyword when passing the object in. To be honest, I'm at a loss why I would NEED to declare the object as "final"...I've checked out books/online resources, and I seem to be missing an explanation. Even if I'm using "gets" instead of "sets" (i.e. I'm making no modification to the object variables), I still get the same error.
(2) While it works OK, this code:
((SubClassA) myObject).setName("I'm an object of SubClassA"); looks a bit wierd. It does work, but I'm convinced (I think I read it somewhere, but I've forgotten the source) there is a better way of writing this...can anyone let me know?
That's it for now. My application works and all, so no worries there...

Thanks all, that makes sense MLRon. Eclipse won't
compile your app AT ALL if you don't use "final" here
though.Yep, that's what the comment in my code said. It also stops you from saying:
public class MyClass
    int myVariable;
    public MyClass(int myVariable)
        myVariable = myVariable; // assigns it to itself.
}With "final", the above wouldn't compile. What is most likely intended by the above constructor is:
    public MyClass(int myVariable)
        this.myVariable = myVariable; // assigns instance variable
    }This second constructor WOULD compile with "final", and is most likely correct, where as the original is almost definitely an error.

How to access parameters from an object stored in a shopping-cart vector?

Hello;
I am writing some code that will be part of a website that will have the
ability to allow customers to place items into a shopping cart and then
purchase them.
The way that the shopping cart works is that a products page is displayed on the website that has 'add' buttons on it next to each product on the page.
When the customer clicks the 'add' button next to a particular product to purchase it, the code performs a query of a products database table for the numeric product id linked to the 'add' button they clicked.
When the product id is found, the query then loads the
product information for it from the DB table columns into the shopping cart
Vector as an object in the form of a result set string. This object contains
the parameters that define the product, i.e. product_id, product_quantity,
date_ordered, ship_status and so on.
In the code, when the customer is done shopping and clicks on a button
labelled 'place order', I want the code to access the shopping cart Vector
and extract each item object from the cart. I then want the code to be able
to get from each item object, the parameters that make up each item as
described above and take the values stored in each of the parameters and
store them in variables. Finally I want to take those variables and write
them to an orders DB table in the proper columns via a query.
I have tried researching information on Vectors to see if I could find out a way to do this but the little information that I located did not give me a clear idea
of how to go about writing the code, it only seemed to suggest a vague,
rough idea as to how it might be done. I am relatively new to Java
programming and so don't have any experience working with Vectors.
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Thank you!
String productID = request.getParameter("productID");
String qty = request.getParameter("qty");
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try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
java.sql.Connection conn = java.sql.DriverManager.getConnection("jdbc:odbc:website", "", "");
java.sql.Statement st = conn.createStatement();
String query = "SELECT productID, productName, productCategory,
productPrice from Products WHERE productID ='" + productID + "'";
java.sql.ResultSet rs = st.executeQuery(query);
while(rs.next()){
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rs.getString("productName") + " " +
rs.getString("productCategory") + " " +
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} catch(SQLException sqlex){
} catch(Exception e){
}

//Try Changing your code this way.
String productID = request.getParameter("productID");
String qty = request.getParameter("qty");
Vector cartlist = new Vector();
try
     Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
     java.sql.Connection conn = java.sql.DriverManager.getConnection("jdbc:odbc:website", "", "");
     java.sql.Statement st = conn.createStatement();
     String query = "SELECT productID, productName, productCategory, productPrice from Products WHERE productID ='" + productID + "'";
     java.sql.ResultSet rs = st.executeQuery(query);
     while(rs.next())
          String productID = rs.getString("productID");
          String productName = rs.getString("productName");
          String productCategory = rs.getString("productCategory");
          String productPrice = rs.getString("productPrice");
          String productID = rs.getString("productID");
          cartlist.addElement(new AddCardElement(productID, productName, productCategory, productPrice, productID, qty));
          //class AddCardElement should be there in your application
catch(SQLException sqlex)
catch(Exception e)
//you have to add a new class AddCardElement like this
class AddCardElement
    public String m_productID;
     public String m_productName;
     public String m_productCategory;
     public String m_productPrice;
     public String m_productID;
    public GenerateLocationData(String productID, String productName, String productCategory, String productPrice, String productID, String qty)
        m_productID = productID;
          m_productName = productName;
          m_productCategory = productCategory;
          m_productPrice = productPrice;
          m_productID = productID;
}//-Achyuth B

How to create objects dynamically (with dynamic # of parameters)

I need to create a set of objects based on a definition from an XML file (obtained from the server) and add them to my scene.
I understand how to create the object using getDefinitionByName (and the limitations regarding classes needing to be referenced to be loaded into the SWF).
But some objects require parameters for the constructor, and some don't. The XML can easily pass in the required parameter information, but I can't figure out how to create a new object with a dynamic set of arguments (something akin to using the Function.call(obj, argsArray) method.
For example, I need something like this to work:
var mc=new (getDefinitionByName(str) as Class).call(thisNewThing, argsArray)
Currently this is as far as I can get:
var mc=new (getDefinitionByName(str) as Class)(static, list, of, arguments)
Thoughts?

I think what Dave is asking is a bit different.
He's wanting to know how to invoke the constructor of an object dynamically (when he only knows the # of constructor arguments at runtime).
This class I know will do it but seems to be a hack:
http://code.google.com/p/jsinterface/source/browse/trunk/source/core/aw/utils/ClassUtils.a s?spec=svn12&r=12
See the 'call' method, which first counts the # of arguments then invokes one of 'n' construction methods based on the number of constructor args.
I've yet to find a clean AS3 way of doing things ala 'call' though.
-Corey

Web Services with complext objects as method parameters

Can anyone point me to an example of web services that accept complex objects as parameters, using annotations?
Appreciate it.

- For NetBeans related questions, nbusers mailing list is more suited. It is often visited by NetBeans experts.
http://www.netbeans.org/community/lists/top.html
...[email protected]
The NetBeans users mailing list. General discussion of NetBeans use, this is the place to ask for help and to help others.... (There is a 'Subscribe' button next to the above that you can use to subscribe to the list).
Can you try posting this question on nbusers list?
- SJSE 8.1 is based on an older version of NB (NB5.0).
You should definitely continue with NetBeans, since all development is now being done in NetBeans; all the major JSE modules have been moved to opensource at netbeans.org and are all being developed there. There are as yet no future plans to work on further releases for JSE.
Please check out http://www.netbeans.org for more details.

Object parameters with include tag

Hello,
I have a problem with JSP. What I wanna do is to call a JSP file with an object parameter. But all I can do is passing strings to the page.
Since I need to iterate on the object string parameters isn't enough for me.
Any ideas, like putting the parameter on session or build the page servlet based?
I am confused and any help would be great.
Thanks.
Mehmet

Reposted to fix syntax:
I'm using the book "Web Development with JavaServer Pages" as a reference for writing my code. In it there is some code for iterating through an indexed JavaBean property. I am doing the exact same thing but it won't work for me. I have included the code at the end.
If I use project.getCode() this works but when using the getProperty tag I get a null value. If I change the line
project = projectList[a];
to
pageContext.setAttribute("project", projectList[a]);
the project.getCode() doesn't work but the getProperty tag does.
According to the book, I should be able to declare the Project object reference using a Bean tag then change the reference later.
Is this a JRun bug or am I doing something wrong?
<%@ page import="com.ncs.es.shrserv.v32.mtp.*" %>
<jsp:useBean id="projects" class="ProjectList"/>
<jsp:useBean id="project" class="Project"/>
<%
Project[] projectList = projects.getList();
int size = projectList.length;
System.out.println("size " + size);
%>
<% for (int a=0; a<size; a++)
project = projectList[a];
%>
<TR>
<TD WIDTH="6%">
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</TD>
<TD WIDTH="75%">
<jsp:getProperty name="project" property="description"/>
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<TD WIDTH="11%">
<jsp:getProperty name="project" property="version"/>
<TD ALIGN='center' WIDTH="8%">
<INPUT TYPE='checkbox' NAME='CbProjExport'
VALUE='<jsp:getProperty name="project" property="id"/>'>
</TD>
</TR>
<% } %>

Reset Text Wrap and Object Placement defaults?

Using Pages 5.5.2 (w Yosemite).
Wondering if there's any way to set a default preference for the Text Wrap and Object Placement parameters in the Format > Arrange tab?
For example, more often than not I need to have Text Wrap set to "None", rather than "Automatic". I was at least hoping that once I'd set a particular object to "None", any new objects I created or which were dragged into that same document would inherit that same Text Wrap setting (in much the same way that any new drop shadow setting becomes the new default when applying the drop shadow effect to subsequent selections). But even THAT doesn't seem to be the case with the Text Wrap & Object Placement options -- much less being able to reset a new global preference.
Any suggestions (which still involve using Pages 5.5.2) appreciated.
Thanks,
John B

just discovered a related topic: when importing images in Pages, how do I set the default object placement to "stay on page" and "no text wrap"?
But that thread ends up going in a slightly different direction, since having to create placeholder shapes, and then duplicating (+ individually repositioning) same, for almost every time I dragged an image into a Pages doc would actually be MORE work than the current annoyance of having to reset the Text Wrap setting for most new objects.
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Possibility? Or Feature Request?

Objects as parameters?

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