Examples of org.apache.tapestry.ioc.services.ClassFab.createClass()

Package org.apache.tapestry.ioc.services

Class org.apache.tapestry.ioc.services.ClassFab

Examples of org.apache.tapestry.ioc.services.ClassFab.createClass()

org.apache.tapestry.ioc.services.ClassFab.createClass()
Invoked last to create the class. This will enforce that all abstract methods have been implemented in the (concrete) class.

            {
                return "ACTUAL TO-STRING";
            }
        };


        Class clazz = cf.createClass();


        ToStringService proxy = (ToStringService) clazz.getConstructors()[0].newInstance(delegate);


        assertEquals(proxy.toString(), "ACTUAL TO-STRING");
    }

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        MethodSignature getStringValue = new MethodSignature(String.class, "getStringValue", null, null);


        cf.addMethod(Modifier.PUBLIC, getStringValue, "return _stringValue;");


        Class targetClass = cf.createClass();


        try
        {
            targetClass.newInstance();
            unreachable();

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        cf.addField("_intValue", int.class);
        cf.addConstructor(new Class[]{int.class}, null, "{ _intValue = $1; }");


        cf.addMethod(Modifier.PUBLIC, new MethodSignature(int.class, "getIntValue", null, null), "return _intValue;");


        Class targetClass = cf.createClass();
        Constructor c = targetClass.getConstructors()[0];


        AbstractIntWrapper targetBean = (AbstractIntWrapper) c.newInstance(new Object[]{new Integer(137)});


        assertEquals(targetBean.getIntValue(), 137);

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    {
        ClassFab cf = newClassFab("InvalidSuperClass", List.class);


        try
        {
            cf.createClass();
            unreachable();
        }
        catch (RuntimeException ex)
        {
            assertExceptionSubstring(ex, "Unable to create class InvalidSuperClass");

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        cf.addInterface(SimpleService.class);


        cf.addMethod(Modifier.PUBLIC, new MethodSignature(int.class, "add", new Class[]{int.class, int.class}, null),
                     "return $1 + $2;");


        Class targetClass = cf.createClass();


        SimpleService s = (SimpleService) targetClass.newInstance();


        assertEquals(207, s.add(99, 108));
    }

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    {
        ClassFab cf = newClassFab("StringSubclass", String.class);


        try
        {
            cf.createClass();
        }
        catch (RuntimeException ex)
        {
            assertExceptionRegexp(ex, "Unable to create class StringSubclass\\: .*");
        }

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    @Test
    public void create_class_within_non_default_package() throws Exception
    {
        ClassFab cf = newClassFab("org.apache.hivemind.InPackage", Object.class);


        Class c = cf.createClass();


        Object o = c.newInstance();


        assertEquals("org.apache.hivemind.InPackage", o.getClass().getName());
    }

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        cf.addNoOpMethod(new MethodSignature(void.class, "run", null, null));
        cf.addNoOpMethod(new MethodSignature(int.class, "getInt", null, null));
        cf.addNoOpMethod(new MethodSignature(double.class, "getDouble", null, null));


        Class clazz = cf.createClass();


        Runnable instance = (Runnable) clazz.newInstance();


        instance.run();

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            cf.addMethod(Modifier.PUBLIC, new MethodSignature(void.class, "eagerLoadService", null,
                    null), "_delegate();");
        }


        return cf.createClass();
    }


    private void addDelegateGetter(ClassFab cf, Class serviceInterface, String serviceId)
    {
        BodyBuilder builder = new BodyBuilder();

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        addInfrastructure(cf, commandInterface);


        addMethods(cf, commandInterface);


        return cf.createClass();
    }


    private void addInfrastructure(ClassFab cf, Class commandInterface)
    {
        // Array types are very, very tricky to deal with.

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