How to use custom function in the report

[zzzz]

hello
If i want to use the method in the java class(in the jar files).What should i do for registering the function in the designer.

[Vadim]

Hello.
You can in StiRenderReportAction (like in Samples\webfx\ MyRenderReportAction) define custom function:

Code: Select all

public StiReport render(StiReport report) throws IOException, StiException {
         // Add custom function
        report.getCustomFunctions().add(new StiCustomFunction() {
            public Object invoke(List<Object> args) {
                return ((String) args.get(0)).substring((Integer) args.get(1),
                        (Integer) args.get(2));
            }

            @SuppressWarnings({ "rawtypes", "unchecked" })
            public List<Class> getParametersList() {
                return new ArrayList<Class>(Arrays.asList(String.class, Integer.class,
                        Integer.class));
            }

            public String getFunctionName() {
                return "subStr";
            }
        });
        return super.render(report);
    }

[zzzz]

hello.
I've done it in your way.
Here is my MyRenderReportAction define a custom function named subString.I made a breakpoint here,but haven't implemented.
What did I miss?

ApplicationInitializer

web.xml

mrt File

Exception

[Vadim]

Hello.
Plase use next code (Integer->Long)

Code: Select all

public StiReport render(StiReport report) throws IOException, StiException {
           report.getCustomFunctions().add(new StiCustomFunction() {
            public Object invoke(List<Object> args) {
                return ((String) args.get(0)).substring(((Long) args.get(1)).intValue(), ((Long) args.get(2)).intValue());
            }

            @SuppressWarnings({ "rawtypes", "unchecked" })
            public List<Class> getParametersList() {
                return new ArrayList<Class>(Arrays.asList(String.class, Long.class, Long.class));
            }

            public String getFunctionName() {
                return "subStr";
            }
        });
        return super.render(report);
    }

Сan you make sure that the function render() invoke ?

[zzzz]

hello.
I use this code in jsp,custom function can work.Thanks for your help .But what ApplicationInitializer.java and listener in web.xml do?

Code: Select all

MyRenderReportAction myRenderReportAction = new MyRenderReportAction();
report = myRenderReportAction.render(report);

[zzzz]

hello.
what ApplicationInitializer.java and listener in web.xml do?

[Vadim]

Hello.
It need to initialize applications settings.

[zzzz]

Hello.
It need to initialize applications settings.

Not used to register a custom method?

[Vadim]

Hello.

Not used to register a custom method?

Yes