Package org.apache.tapestry.ioc.util

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

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        // because (unless the binding is invariant), there's no value to get rid of (and if it is
        // invariant, there's no need to get rid of it).

        if (cache)
        {
            builder.clear();

            builder.addln("if (! %s)", invariantFieldName);
            builder.begin();
            builder.addln("%s = %s;", fieldName, defaultFieldName);
            builder.addln("%s = false;", cachedFieldName);
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                new String[]
                { 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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        // because (unless the binding is invariant), there's no value to get rid of (and if it is
        // invariant, there's no need to get rid of it).

        if (cache)
        {
            builder.clear();

            builder.addln("if (! %s)", invariantFieldName);
            builder.begin();
            builder.addln("%s = %s;", fieldName, defaultFieldName);
            builder.addln("%s = false;", cachedFieldName);
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        PropertyNavigationResult result = writePropertyNavigationCode(builder, rootClass, expression, terms, false);


        if (result == null)
        {
            builder.clear();
            builder
                    .addln("throw new RuntimeException(\"Expression %s for class %s is write-only.\");", expression,
                           rootClass.getName());
        }
        else
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        Method writeMethod = writeMethodForTerm(result.getFinalStepType(), expression, terms[terms.length - 1]);

        if (writeMethod == null)
        {
            builder.clear();
            builder
                    .addln("throw new RuntimeException(\"Expression %s for class %s is read-only.\");", expression,
                           rootClass.getName());
            classFab.addMethod(Modifier.PUBLIC, SET_SIGNATURE, builder.toString());
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        // because (unless the binding is invariant), there's no value to get rid of (and if it is
        // invariant, there's no need to get rid of it).

        if (cache)
        {
            builder.clear();

            builder.addln("if (! %s)", invariantFieldName);
            builder.begin();
            builder.addln("%s = %s;", fieldName, defaultFieldName);
            builder.addln("%s = false;", cachedFieldName);
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                                                              new String[]
                                                                      { 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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      b.end();
      transformation.extendMethod(TransformConstants.POST_RENDER_CLEANUP_SIGNATURE, b.toString());
           
      // prefix the existing method to cache the result
      b.clear();
      b.begin();
     
      // if it has been called and watch is set and the old value is the same as the new value then return
      // get the old value and cache it
      /* NOTE: evaluates the binding twice when checking the new value.
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      b.addln("%s = true;", calledField);     
      b.end();     
      transformation.prefixMethod(method, b.toString());
     
      // cache the return value
      b.clear();
      b.begin();
      b.addln("%s = $_;", fieldName);
      b.end();
      transformation.extendExistingMethod(method, b.toString());
    }
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            MethodSignature sig = mi.next();

            // 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);",
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