104.14. 示例 3:处理 SAP 的请求
本例演示了处理从 SAP 到 BOOK_FLIGHT RFC 的请求的路由,该路由由路由实施。此外,它演示了组件的 XML 序列化支持,使用 JAXB 到 unmarshal 和 marshal SAP 请求对象,并将对象响应到自定义 Bean。
此路由代表旅行代理 FlightCustomer 创建 FlightTrip 业务对象。路由首先将 SAP 服务器端点收到的 SAP 请求对象加载到自定义 JAXB bean 中。然后,这个自定义 Bean 在交换中被多播到三个子路由,它会收集创建动态行程所需的旅行代理、flight 连接和乘客信息。最后的子路由会在 SAP 中创建 flight trip 对象,如上例中所示。最终的子路由还会创建并返回自定义 JAXB bean,该 Bean 会被 marshaled 到 SAP 响应对象,并由服务器端点返回。
104.14.1. 用于路由的 Java DSL 复制链接链接已复制到粘贴板!
示例路由的 Java DSL 如下:
DataFormat jaxb = new JaxbDataFormat("org.fusesource.sap.example.jaxb");
from("sap-srfc-server:nplserver:BOOK_FLIGHT")
.unmarshal(jaxb)
.multicast()
.to("direct:getFlightConnectionInfo",
"direct:getFlightCustomerInfo",
"direct:getPassengerInfo")
.end()
.to("direct:createFlightTrip")
.marshal(jaxb);
104.14.2. 路由的 XML DSL 复制链接链接已复制到粘贴板!
同一路由的 XML DSL 如下:
<route>
<from uri="sap-srfc-server:nplserver:BOOK_FLIGHT"/>
<unmarshal>
<jaxb contextPath="org.fusesource.sap.example.jaxb"/>
</unmarshal>
<multicast>
<to uri="direct:getFlightConnectionInfo"/>
<to uri="direct:getFlightCustomerInfo"/>
<to uri="direct:getPassengerInfo"/>
</multicast>
<to uri="direct:createFlightTrip"/>
<marshal>
<jaxb contextPath="org.fusesource.sap.example.jaxb"/>
</marshal>
</route>
104.14.3. BookFlightRequest bean 复制链接链接已复制到粘贴板!
以下列表演示了一个 JAXB bean,它来自 SAP BOOK_FLIGHT 请求对象的序列化形式:
@XmlRootElement(name="Request", namespace="http://sap.fusesource.org/rfc/nplServer/BOOK_FLIGHT")
@XmlAccessorType(XmlAccessType.FIELD)
public class BookFlightRequest {
@XmlAttribute(name="CUSTNAME")
private String customerName;
@XmlAttribute(name="FLIGHTDATE")
@XmlJavaTypeAdapter(DateAdapter.class)
private Date flightDate;
@XmlAttribute(name="TRAVELAGENCYNUMBER")
private String travelAgencyNumber;
@XmlAttribute(name="DESTINATION_FROM")
private String startAirportCode;
@XmlAttribute(name="DESTINATION_TO")
private String endAirportCode;
@XmlAttribute(name="PASSFORM")
private String passengerFormOfAddress;
@XmlAttribute(name="PASSNAME")
private String passengerName;
@XmlAttribute(name="PASSBIRTH")
@XmlJavaTypeAdapter(DateAdapter.class)
private Date passengerDateOfBirth;
@XmlAttribute(name="CLASS")
private String flightClass;
...
}
104.14.4. BookFlightResponse bean 复制链接链接已复制到粘贴板!
以下列表演示了一个 JAXB bean,它被处理到 SAP BOOK_FLIGHT 响应对象的序列化形式:
@XmlRootElement(name="Response", namespace="http://sap.fusesource.org/rfc/nplServer/BOOK_FLIGHT")
@XmlAccessorType(XmlAccessType.FIELD)
public class BookFlightResponse {
@XmlAttribute(name="TRIPNUMBER")
private String tripNumber;
@XmlAttribute(name="TICKET_PRICE")
private BigDecimal ticketPrice;
@XmlAttribute(name="TICKET_TAX")
private BigDecimal ticketTax;
@XmlAttribute(name="CURRENCY")
private String currency;
@XmlAttribute(name="PASSFORM")
private String passengerFormOfAddress;
@XmlAttribute(name="PASSNAME")
private String passengerName;
@XmlAttribute(name="PASSBIRTH")
@XmlJavaTypeAdapter(DateAdapter.class)
private Date passengerDateOfBirth;
@XmlElement(name="FLTINFO")
private FlightInfo flightInfo;
@XmlElement(name="CONNINFO")
private ConnectionInfoTable connectionInfo;
...
}
响应对象的复杂参数字段被序列化为响应的子元素。
104.14.5. FlightInfo bean 复制链接链接已复制到粘贴板!
以下列表演示了一个 JAXB bean,它被处理到复杂结构参数 FLTINFO 的序列化形式:
@XmlRootElement(name="FLTINFO", namespace="http://sap.fusesource.org/rfc/nplServer/BOOK_FLIGHT")
@XmlAccessorType(XmlAccessType.FIELD)
public class FlightInfo {
@XmlAttribute(name="FLIGHTTIME")
private String flightTime;
@XmlAttribute(name="CITYFROM")
private String cityFrom;
@XmlAttribute(name="DEPDATE")
@XmlJavaTypeAdapter(DateAdapter.class)
private Date departureDate;
@XmlAttribute(name="DEPTIME")
@XmlJavaTypeAdapter(DateAdapter.class)
private Date departureTime;
@XmlAttribute(name="CITYTO")
private String cityTo;
@XmlAttribute(name="ARRDATE")
@XmlJavaTypeAdapter(DateAdapter.class)
private Date arrivalDate;
@XmlAttribute(name="ARRTIME")
@XmlJavaTypeAdapter(DateAdapter.class)
private Date arrivalTime;
...
}
104.14.6. ConnectionInfoTable bean 复制链接链接已复制到粘贴板!
以下列表演示了一个 JAXB bean,它将对复杂表参数 CONNINFO 的序列化形式 marshals。请注意,JAXB bean 的根元素类型的名称对应于类型为 _TABLE 的行结构的名称,bean 包含行元素列表。
@XmlRootElement(name="CONNINFO_TABLE", namespace="http://sap.fusesource.org/rfc/nplServer/BOOK_FLIGHT")
@XmlAccessorType(XmlAccessType.FIELD)
public class ConnectionInfoTable {
@XmlElement(name="row")
List<ConnectionInfo> rows;
...
}
104.14.7. ConnectionInfo bean 复制链接链接已复制到粘贴板!
以下列表演示了一个 JAXB bean,它被处理到上述表行元素的序列化形式:
@XmlRootElement(name="CONNINFO", namespace="http://sap.fusesource.org/rfc/nplServer/BOOK_FLIGHT")
@XmlAccessorType(XmlAccessType.FIELD)
public class ConnectionInfo {
@XmlAttribute(name="CONNID")
String connectionId;
@XmlAttribute(name="AIRLINE")
String airline;
@XmlAttribute(name="PLANETYPE")
String planeType;
@XmlAttribute(name="CITYFROM")
String cityFrom;
@XmlAttribute(name="DEPDATE")
@XmlJavaTypeAdapter(DateAdapter.class)
Date departureDate;
@XmlAttribute(name="DEPTIME")
@XmlJavaTypeAdapter(DateAdapter.class)
Date departureTime;
@XmlAttribute(name="CITYTO")
String cityTo;
@XmlAttribute(name="ARRDATE")
@XmlJavaTypeAdapter(DateAdapter.class)
Date arrivalDate;
@XmlAttribute(name="ARRTIME")
@XmlJavaTypeAdapter(DateAdapter.class)
Date arrivalTime;
...
}