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

Package org.apache.tapestry.ioc.services

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

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

org.apache.tapestry.ioc.services.ClassFab.addField()
Adds a new field with the given name and type. The field is added as a private field.


    private Class buildProxyClass(Class serviceType)
    {
        ClassFab classFab = _classFactory.newClass(serviceType);


        classFab.addField("_environment", Environment.class);
        classFab.addField("_serviceType", Class.class);


        classFab.addConstructor(new Class[]{Environment.class, Class.class}, null,
                                "{ _environment = $1; _serviceType = $2; }");

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    private Class buildProxyClass(Class serviceType)
    {
        ClassFab classFab = _classFactory.newClass(serviceType);


        classFab.addField("_environment", Environment.class);
        classFab.addField("_serviceType", Class.class);


        classFab.addConstructor(new Class[]{Environment.class, Class.class}, null,
                                "{ _environment = $1; _serviceType = $2; }");


        classFab.addMethod(Modifier.PRIVATE, new MethodSignature(serviceType, "_delegate", null, null),

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            String fieldName = "_param_" + i;


            constructorParameterTypes[i + 1] = argType;
            constructorParameterValues[i + 1] = arg.getValue();


            cf.addField(fieldName, fieldType);


            // $1 is model, $2 is description, to $3 is first dynamic parameter.


            constructor.add("%s = $%d", fieldName, i + 2);

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    @Test
    public void create_simple_bean() throws Exception
    {
        ClassFab cf = newClassFab("TargetBean", Object.class);


        cf.addField("_stringValue", String.class);


        MethodSignature setStringValue = new MethodSignature(void.class, "setStringValue", new Class[]{String.class},
                                                             null);


        cf.addMethod(Modifier.PUBLIC, setStringValue, "_stringValue = $1;");

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    @Test
    public void proxy_methods_to_delegate() throws Exception
    {
        ClassFab cf = newClassFab("Delegator", Object.class);


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


        cf.proxyMethodsToDelegate(SampleService.class, "_delegate", "<Delegator>");


        SampleService delegate = newMock(SampleService.class);

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    @Test
    public void proxy_methods_to_delegate_with_to_string() throws Exception
    {
        ClassFab cf = newClassFab("ToStringDelegator", Object.class);


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


        cf.proxyMethodsToDelegate(ToStringService.class, "_delegate", "<ToStringDelegator>");


        ToStringService delegate = new ToStringService()

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    @Test
    public void add_constructor() throws Exception
    {
        ClassFab cf = newClassFab("ConstructableBean", Object.class);


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


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


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

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    @Test
    public void add_constructor_from_base_class() throws Exception
    {
        ClassFab cf = newClassFab("MyIntHolder", AbstractIntWrapper.class);


        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();

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        ClassFab cf = newClassFab("InvalidField", Object.class);


        // You'd think some of these would fail, but the ultimate failure
        // occurs when we create the class.


        cf.addField("a%b", String.class);
        cf.addField("", int.class);


        // Aha! Adding a duplicate fails!


        cf.addField("buffy", int.class);

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        // You'd think some of these would fail, but the ultimate failure
        // occurs when we create the class.


        cf.addField("a%b", String.class);
        cf.addField("", int.class);


        // Aha! Adding a duplicate fails!


        cf.addField("buffy", int.class);

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