Package org.apache.tapestry.ioc.util

Examples of org.apache.tapestry.ioc.util.BodyBuilder.addln()

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    private Method buildSetter(Class rootClass, ClassFab classFab, String expression, String[] terms)
    {
        BodyBuilder builder = new BodyBuilder();
        builder.begin();

        builder.addln("%s root = (%<s) $1;", ClassFabUtils.toJavaClassName(rootClass));
        String previousStep = "root";

        Class activeType = rootClass;

        for (int i = 0; i < terms.length - 1; i++)
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            Class termType = ClassFabUtils.getWrapperType(readMethod.getReturnType());

            // $w is harmless for non-wrapper types.

            builder.addln(
                    "%s %s = ($w) %s.%s();",
                    ClassFabUtils.toJavaClassName(termType),
                    thisStep,
                    previousStep,
                    readMethod.getName());
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                    thisStep,
                    previousStep,
                    readMethod.getName());

            if (nullable)
                builder.addln("if (%s == null) return;", thisStep);

            activeType = termType;
            previousStep = thisStep;
        }
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        Method writeMethod = writeMethodForTerm(activeType, expression, terms[terms.length - 1]);

        if (writeMethod == null)
        {
            builder.clear();
            builder
                    .addln(
                            "throw new java.lang.RuntimeException(\"Expression %s for class %s is read-only.\");",
                            expression,
                            rootClass.getName());
            classFab.addMethod(Modifier.PUBLIC, SET_SIGNATURE, builder.toString());
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        Class parameterType = writeMethod.getParameterTypes()[0];

        Class wrapperType = ClassFabUtils.getWrapperType(parameterType);

        builder.addln("%s value = (%<s) $2;", ClassFabUtils.toJavaClassName(wrapperType));

        builder.add("%s.%s(value", previousStep, writeMethod.getName());

        if (parameterType != wrapperType)
            builder.add(".%s()", ClassFabUtils.getUnwrapMethodName(parameterType.getName()));
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        builder.add("%s.%s(value", previousStep, writeMethod.getName());

        if (parameterType != wrapperType)
            builder.add(".%s()", ClassFabUtils.getUnwrapMethodName(parameterType.getName()));

        builder.addln(");");

        builder.end();

        classFab.addMethod(Modifier.PUBLIC, SET_SIGNATURE, builder.toString());
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        if (methods.isEmpty()) return;

        BodyBuilder builder = new BodyBuilder();
        builder.begin();

        builder.addln("if ($1.isAborted()) return $_;");

        for (MethodSignature method : methods)
            addCodeForMethod(builder, method, transformation);

        builder.end();
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    private Method buildGetter(Class rootClass, ClassFab classFab, String expression, String[] terms)
    {
        BodyBuilder builder = new BodyBuilder();
        builder.begin();

        builder.addln("%s root = (%<s) $1;", ClassFabUtils.toJavaClassName(rootClass));
        String previousStep = "root";

        Class activeType = rootClass;
        Method result = null;
        boolean writeOnly = false;
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        // field with InjectComponent, but that's the way these APIs work, lists of names.

        BodyBuilder builder = new BodyBuilder();
        builder.begin();

        builder.addln("%s core = %s.getCoreComponent();", Component.class.getName(), transformation
                .getResourcesFieldName());

        for (String fieldName : names)
        {
            InjectComponent annotation = transformation.getFieldAnnotation(
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                    fieldName,
                    InjectComponent.class);

            String fieldType = transformation.getFieldType(fieldName);

            builder.addln("try");
            builder.begin();
            builder.addln("%s = (%s) core;", fieldName, fieldType);
            builder.end();
            builder.addln("catch (ClassCastException ex)");
            builder.begin();
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