Examples of org.apache.tapestry5.ioc.services.TypeCoercer.coerce()

Package org.apache.tapestry5.ioc.services

Class org.apache.tapestry5.ioc.services.TypeCoercer

Examples of org.apache.tapestry5.ioc.services.TypeCoercer.coerce()

org.apache.tapestry5.ioc.services.TypeCoercer.coerce()
Performs a coercion from an input type to a desired output type. When the target type is a primitive, the actual conversion will be to the equivalent wrapper type. In some cases, the TypeCoercer will need to search for an appropriate coercion, and may even combine existing coercions to form new ones; in those cases, the results of the search are cached.
The TypeCoercer also caches the results of a coercion search. @param < S> source type (input) @param < T> target type (output) @param input @param targetType defines the target type @return the coerced value @throws RuntimeException if the input can not be coerced


            Coercion c = getCoercion(sourceType);


            try
            {
                return type.cast(c.coerce(input));
            } catch (Exception ex)
            {
                throw new RuntimeException(ServiceMessages.failedCoercion(input, type, c, ex), ex);
            }
        }

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        Object result;


        try
        {
            result = coercion.coerce(input);
        }
        catch (Exception ex)
        {
            throw new RuntimeException(ServiceMessages.failedCoercion(
                    input,

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        assertSame(coercer.coerce(input, Number.class), input);


        Coercion coercion = coercer.getCoercion(int.class, Number.class);


        assertSame(coercion.coerce(input), input);
    }


    @Test
    public void explain_to_same_type()
    {

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        assertEquals(actual, expected);


        Coercion c = coercer.getCoercion(input == null ? void.class : input.getClass(), targetType);


        assertEquals(c.coerce(input), expected);
    }


    @SuppressWarnings("unchecked")
    @DataProvider
    public Object[][] coercions_inputs()

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            Coercion c = getCoercion(sourceType);


            try
            {
                return type.cast(c.coerce(input));
            }
            catch (Exception ex)
            {
                throw new RuntimeException(ServiceMessages.failedCoercion(input, type, c, ex), ex);
            }

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            Coercion c = getCoercion(sourceType);


            try
            {
                return type.cast(c.coerce(input));
            } catch (Exception ex)
            {
                throw new RuntimeException(ServiceMessages.failedCoercion(input, type, c, ex), ex);
            }
        }

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        // Force the state of a few services.


        TypeCoercer tc = r.getService("TypeCoercer", TypeCoercer.class);


        tc.coerce("123", Integer.class);


        r.getService("BlueGreeter", Greeter.class);


        // Now get the activity list and poke around.

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    @Test
    public void string_to_select_model_type_coercion_integration()
    {
        TypeCoercer coercer = getService(TypeCoercer.class);


        SelectModel selectModel = coercer.coerce(" UK , USA , DE=Germany ", SelectModel.class);


        assertNull(selectModel.getOptionGroups());
        assertEquals(selectModel.getOptions().size(), 3);


        // Waste of effort to re-test each individual option model.

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    {
        TypeCoercer coercer = getObject(TypeCoercer.class, null);


        String input = "\\s+";


        Pattern pattern = coercer.coerce(input, Pattern.class);


        assertEquals(pattern.toString(), input);
    }


    @Test

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        TypeCoercer coercer = getObject(TypeCoercer.class, null);


        replay();


        ComponentResources actual = coercer.coerce(input, ComponentResources.class);


        assertSame(actual, resources);


        verify();
    }

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