Package org.apache.tapestry.ioc.util

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

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        // No methods, no work.

        if (methods.isEmpty()) return;

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

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

        for (MethodSignature method : methods)
            addCodeForMethod(builder, method, transformation);
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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;
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        // I can't imagine a scenario where a component would have more than one
        // 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)
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                    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();
            builder.addln(
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            builder.addln("try");
            builder.begin();
            builder.addln("%s = (%s) core;", fieldName, fieldType);
            builder.end();
            builder.addln("catch (ClassCastException ex)");
            builder.begin();
            builder.addln(
                    "String message = %s.buildCastExceptionMessage(core, \"%s.%s\", \"%s\");",
                    InjectComponentWorker.class.getName(),
                    model.getComponentClassName(),
                    fieldName,
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        String invariantFieldName = transformation.addField(Modifier.PRIVATE, "boolean", fieldName
                + "_invariant");

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

        addDefaultBindingSetup(
                parameterName,
                defaultPrefix,
                defaultBinding,
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        if (cache)
        {
            builder.clear();

            builder.addln("if (! %s)", invariantFieldName);
            builder.begin();
            builder.addln("%s = %s;", fieldName, defaultFieldName);
            builder.addln("%s = false;", cachedFieldName);
            builder.end();

            transformation.extendMethod(TransformConstants.POST_RENDER_CLEANUP_SIGNATURE, builder
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    private void addWriterMethod(String fieldName, String cachedFieldName, boolean cache,
            String parameterName, String fieldType, String resourcesFieldName,
            ClassTransformation transformation)
    {
        BodyBuilder builder = new BodyBuilder();
        builder.begin();

        // Before the component is loaded, updating the property sets the default value
        // for the parameter. The value is stored in the field, but will be
        // rolled into default field inside containingPageDidLoad().
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        // Before the component is loaded, updating the property sets the default value
        // for the parameter. The value is stored in the field, but will be
        // rolled into default field inside containingPageDidLoad().

        builder.addln("if (! %s.isLoaded())", resourcesFieldName);
        builder.begin();
        builder.addln("%s = $1;", fieldName);
        builder.addln("return;");
        builder.end();

        // Always start by updating the parameter; this will implicitly check for
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    private void addReaderMethod(String fieldName, String cachedFieldName,
            String invariantFieldName, boolean cache, String parameterName, String fieldType,
            String resourcesFieldName, ClassTransformation transformation)
    {
        BodyBuilder builder = new BodyBuilder();
        builder.begin();

        // While the component is still loading, or when the value for the component is cached,
        // or if the value is not bound, then return the current value of the field.

        builder.addln(
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