关于struts2 json插件的正则表达式写法的一点儿总

PropertyDescriptor[] props = info.getPropertyDescriptors();               boolean hasData = false;            for (PropertyDescriptor prop : props) {                String name = prop.getName();                Method accessor = prop.getReadMethod();                Method baseAccessor = findBaseAccessor(clazz, accessor);                   if (baseAccessor != null) {                    if (baseAccessor.isAnnotationPresent(JSON.class)) {                        JSONAnnotationFinder jsonFinder = new JSONAnnotationFinder(baseAccessor).invoke();                           if (!jsonFinder.shouldSerialize()) continue;                        if (jsonFinder.getName() != null) {                            name = jsonFinder.getName();                        }                    }                    // ignore "class" and others                     if (this.shouldExcludeProperty(prop)) {                        continue;                    }                    String expr = null;                    if (this.buildExpr) {                        expr = this.expandExpr(name);                        if (this.shouldExcludeProperty(expr)) {                            continue;                        }                        expr = this.setExprStack(expr);                    }                       Object value = accessor.invoke(object);                    if (baseAccessor.isAnnotationPresent(JSONFieldBridge.class)) {                        value = getBridgedValue(baseAccessor, value);                    }                       boolean propertyPrinted = this.add(name, value, accessor, hasData);                    hasData = hasData || propertyPrinted;                    if (this.buildExpr) {                        this.setExprStack(expr);                    }                }            }  

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