public static String getRootExpression()

in src/main/java/org/apache/commons/ognl/enhance/ExpressionCompiler.java [142:181]
34 lines of code
21 McCabe index (conditional complexity)

    public static String getRootExpression( Node expression, Object root, OgnlContext context )
    {
        String rootExpr = "";

        if ( !shouldCast( expression ) )
        {
            return rootExpr;
        }

        if ( ( !(expression instanceof ASTList) && !(expression instanceof ASTVarRef)
            && !(expression instanceof ASTStaticMethod) && !(expression instanceof ASTStaticField)
            && !(expression instanceof ASTConst) && !(expression instanceof ExpressionNode)
            && !(expression instanceof ASTCtor) && !(expression instanceof ASTStaticMethod)
            && root != null ) || ( root != null && expression instanceof ASTRootVarRef) )
        {

            Class<?> castClass = OgnlRuntime.getCompiler( context ).getRootExpressionClass( expression, context );

            if ( castClass.isArray() || expression instanceof ASTRootVarRef || expression instanceof ASTThisVarRef)
            {
                rootExpr = "((" + getCastString( castClass ) + ")$2)";

                if ( expression instanceof ASTProperty && !( (ASTProperty) expression ).isIndexedAccess() )
                {
                    rootExpr += ".";
                }
            }
            else if ( ( expression instanceof ASTProperty && ( (ASTProperty) expression ).isIndexedAccess() )
                || expression instanceof ASTChain)
            {
                rootExpr = "((" + getCastString( castClass ) + ")$2)";
            }
            else
            {
                rootExpr = "((" + getCastString( castClass ) + ")$2).";
            }
        }

        return rootExpr;
    }