@Override
    public final boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        Url url = (Url) obj;
        if (this.getOriginUrl().equals(url.getOriginUrl())) {
            return true;
        } else {
            return false;
        }
    }
Get property value according to property key

@param key property key
@return property value
src/main/java/com/alipay/remoting/Url.java