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

Class org.apache.tapestry.ioc.util.BodyBuilder

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

org.apache.tapestry.ioc.util.BodyBuilder.begin()
Begins a new block. Emits a "{", properly indented, on a new line.

        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("if (%s || ! %s.isLoaded() || ! %<s.isBound(\"%s\")) return %s;", cachedFieldName,

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        builder.add("if (%s", invariantFieldName);


        if (cache) builder.add(" || %s.isRendering()", resourcesFieldName);


        builder.addln(")");
        builder.begin();
        builder.addln("%s = result;", fieldName);
        builder.addln("%s = true;", cachedFieldName);
        builder.end();


        builder.addln("return result;");

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        ct.addMethod(reader, "return 66;");


        ct.replaceReadAccess("_targetField", "read_target_value");


        BodyBuilder builder = new BodyBuilder();
        builder.begin();
        builder.addln("%s.run();", name);
        builder.addln("return $_ + 1;");
        builder.end();


        ct.extendExistingMethod(sig, builder.toString());

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        // call (beside super).


        if (methods.isEmpty()) return;


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


        // If in a subclass, and in normal order mode, invoke the super class version first.


        if (!(_reverse || model.isRootClass()))
        {

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        Iterator<TransformMethodSignature> i = _reverse ? InternalUtils.reverseIterator(methods) : methods
                .iterator();


        builder.addln("try");
        builder.begin();


        while (i.hasNext())
            addMethodCallToBody(builder, i.next(), transformation);


        // In reverse order in a a subclass, invoke the super method last.

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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 container = %s.getContainer();", Component.class.getName(), transformation
                .getResourcesFieldName());


        for (String fieldName : names)

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                    InjectContainer.class);


            String fieldType = transformation.getFieldType(fieldName);


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

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