Examples of org.apache.tapestry5.services.UpdateListenerHub

org.apache.tapestry5.services.FieldValidatorSource
Manages a set of {@link org.apache.tapestry5.services.UpdateListener}s. Periodically (say, every request during development, or every minute or so during production), request processing is locked down so that only a single thread is active, and the active thread invokes {@link #fireCheckForUpdates()}. Various services that are dependent on external resource files (such as classes or template files) can check to see if any file they've used has changed. If so, the service can invalidate its internal cache, or notify other services (typically via {@link org.apache.tapestry5.services.InvalidationListener} that they should do the same.
Note that this interface has moved from module tapestry-core to tapestry-ioc, but has kept the same package (for backwards compatibility reasons).
A weak reference to the listener is kept; this ensures that registering as a listener will not prevent a listener instance from being reclaimed by the garbage collector (this is useful as proxies created by {@link ObjectLocator#proxy(Class,Class)} may register as listeners, but still be ephemeral).
Starting in Tapestry 5.3, this services does nothing in production mode. @since 5.1.0.0

        "class", "t-autocomplete-menu");
        writer.end();


        Link link = resources.createEventLink(EVENT_NAME);


        JSONObject config = new JSONObject();
        config.put("paramName", PARAM_NAME);
        config.put("indicator", loaderId);


        if (resources.isBound("minChars"))
            config.put("minChars", minChars);


        if (resources.isBound("frequency"))
            config.put("frequency", frequency);


        if (resources.isBound("tokens"))
        {
            for (int i = 0; i < tokens.length(); i++)
            {
                config.accumulate("tokens", tokens.substring(i, i + 1));
            }
        }


        // Let subclasses do more.
        configure(config);

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     * not formatted correct.
     */
    JSONObject onParse(@RequestParameter(INPUT_PARAMETER)
    String input)
    {
        JSONObject response = new JSONObject();


        try
        {
            Date date = format.parse(input);


            response.put(RESULT, date.getTime());
        }
        catch (ParseException ex)
        {
            response.put(ERROR, ex.getMessage());
        }


        return response;
    }

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     * the result.
     */
    JSONObject onFormat(@RequestParameter(INPUT_PARAMETER)
    String input)
    {
        JSONObject response = new JSONObject();


        try
        {
            long millis = Long.parseLong(input);


            Date date = new Date(millis);


            response.put(RESULT, format.format(date));
        }
        catch (NumberFormatException ex)
        {
            response.put(ERROR, ex.getMessage());
        }


        return response;
    }

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        map.put("alpha", validator);
        map.put("beta", validator);


        replay();


        FieldValidatorSource source = new FieldValidatorSourceImpl(messagesSource, coercer, null, map, null);


        try
        {
            source.createValidator(field, "foo", null);
            unreachable();
        }
        catch (IllegalArgumentException ex)
        {
            assertEquals(ex.getMessage(), "Unknown validator type 'foo'.  Configured validators are alpha, beta.");

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        train_getValueType(validator, Object.class);
        validator.validate(field, null, formatter, inputValue);


        replay();


        FieldValidatorSource source = new FieldValidatorSourceImpl(messagesSource, coercer, fs, map, null);


        FieldValidator fieldValidator = source.createValidator(field, "required", null);


        fieldValidator.validate(inputValue);


        verify();
    }

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        train_getValueType(validator, Object.class);
        validator.validate(field, null, formatter, inputValue);


        replay();


        FieldValidatorSource source = new FieldValidatorSourceImpl(messagesSource, coercer, fs, map, null);


        FieldValidator fieldValidator = source.createValidator(field, "required", null);


        fieldValidator.validate(inputValue);


        verify();
    }

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        train_getValueType(validator, Object.class);
        validator.validate(field, null, formatter, inputValue);


        replay();


        FieldValidatorSource source = new FieldValidatorSourceImpl(messagesSource, coercer, fs, map, null);


        FieldValidator fieldValidator = source.createValidator(field, "required", null);


        fieldValidator.validate(inputValue);


        verify();
    }

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        ValidatorMacro macro = mockValidatorMacro();
        train_alwaysNull(macro);


        replay();


        FieldValidatorSource source = new FieldValidatorSourceImpl(messagesSource, coercer, fs, map, macro);


        FieldValidator fieldValidator = source.createValidators(field, "minlength");


        fieldValidator.validate(inputValue);


        verify();
    }

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        ValidatorMacro macro = mockValidatorMacro();
        train_alwaysNull(macro);


        replay();


        FieldValidatorSource source = new FieldValidatorSourceImpl(messagesSource, coercer, fs, map, macro);


        FieldValidator fieldValidator = source.createValidators(field, "minlength");


        fieldValidator.validate(inputValue);


        verify();
    }

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        ValidatorMacro macro = mockValidatorMacro();
        train_alwaysNull(macro);


        replay();


        FieldValidatorSource source = new FieldValidatorSourceImpl(messagesSource, coercer, fs, map, macro);


        try
        {
            source.createValidators(field, "minlength");
            unreachable();
        }
        catch (IllegalArgumentException ex)
        {
            assertEquals(

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