Package org.apache.tapestry5.ioc.util

Examples of org.apache.tapestry5.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 $_;");

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

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

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

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

        builder.end(); // try
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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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        if (cache)
        {
            builder.clear();

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

            // Clean up after the component renders.
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                                 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 accessFieldName, 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()) return %s;", cachedFieldName,
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        builder.add("if (%s.isInvariant()", accessFieldName);

        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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        cf.addConstructor(new Class[]
        { sourceClass }, null, "_source = $1;");

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

        body.addln("%s result = _source.%s();", sourceClass.getName(), adapter.getReadMethod().getName());

        body.addln("if (result == null)");
        body.begin();
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        body.begin();

        body.addln("%s result = _source.%s();", sourceClass.getName(), adapter.getReadMethod().getName());

        body.addln("if (result == null)");
        body.begin();
        body.addln("throw new NullPointerException(%s.buildMessage(_source, \"%s\"));", getClass().getName(),
                propertyName);
        body.end();

        body.addln("return result;");
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