Package org.apache.tapestry.ioc.util

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

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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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    }

    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;
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        boolean isVoid = returnType.equals(void.class);

        // We'll see how well Javassist handles void methods with this setup

        BodyBuilder builder = new BodyBuilder();
        builder.begin();
        builder.addln("boolean debug = _logger.isDebugEnabled();");

        builder.addln("if (debug)");
        builder.addln("  _logger.entry(%s, $args);", name);
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        builder.addln("if (debug)");
        builder.addln("  _logger.entry(%s, $args);", name);

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

        if (!isVoid) builder.add("%s result = ", toJavaClassName(returnType));

        builder.addln("_delegate.%s($$);", signature.getName());
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        String writeMethodName = transformation.newMemberName("write", fieldName);

        BodyBuilder builder = new BodyBuilder();

        builder.begin();
        builder.addln(
                "%s.persistFieldChange(\"%s\", ($w) $1);",
                resourcesFieldName,
                logicalFieldName);
        builder.addln("%s = $1;", fieldName);
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                { fieldType }, null), builder.toString());

        transformation.replaceWriteAccess(fieldName, writeMethodName);

        builder.clear();
        builder.begin();

        // Check to see if there's a recorded change for this component, this field.

        builder.addln("if (%s.hasFieldChange(\"%s\"))", resourcesFieldName, logicalFieldName);
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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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            // TODO: Checks for methods that don't have at least one parameter, or don't have a
            // compatible 1st parameter. Currently, we'll get a Javassist exception.

            builder.clear();
            builder.begin();

            builder.addln("Object selector = $1;");
            builder.addln(
                    "%s adapter = (%<s) _registry.getByInstance(selector);",
                    interfaceClassName);
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        }

        String defaultValue = defaultForReturnType(returnType);

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

        builder.addln("%s result = %s;", ClassFabUtils.toJavaClassName(returnType), defaultValue);
        builder.addln("for (int i = 0; i < _commands.length; i++)");

        builder.begin();
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        builder.begin();

        builder.addln("%s result = %s;", ClassFabUtils.toJavaClassName(returnType), defaultValue);
        builder.addln("for (int i = 0; i < _commands.length; i++)");

        builder.begin();
        builder.addln("result = _commands[i].%s($$);", sig.getName());

        builder.addln("if (result != %s) break;", defaultValue);

        builder.end();
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