SpringBoot调用SOAPWebService

Spring Boot项目中，调用遗留的SOAP Web Service，方法很简单，仅需引入spring-boot-starter-web-services。

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    org.springframework.boot
    spring-boot-starter-web-services

WebServiceTemplate

我们使用WebServiceTemplate来调用SOAP Service。WebServiceTemplate提供了三类调用方法sendSourceAndReceive、marshalSendAndReceive、sendAndReceive。sendSourceAndReceive方法直接发送和接收XML message；marshalSendAndReceive方法发送、接收结果则为对象，由配置的Marshaller和Unmarshaller自动转换；sendAndReceive支持更底层的操作。

package org.iata.caims.service.ws;

import org.springframework.boot.webservices.client.WebServiceTemplateBuilder;
import org.springframework.stereotype.Service;
import org.springframework.ws.client.core.WebServiceTemplate;

import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import java.io.StringReader;

@Service
public class MyService {
    private static final String DEFAULT_URI = "http://localhost:8080/HelloService";
    private static final String MESSAGE = "" +
            "\n" +
            "   COCO\n" +
            "";

    private final WebServiceTemplate webServiceTemplate;

    public MyService(WebServiceTemplateBuilder webServiceTemplateBuilder) {
        this.webServiceTemplate = webServiceTemplateBuilder.setDefaultUri(DEFAULT_URI).build();
    }

    public void sendSourceAndReceive() {
        StreamSource source = new StreamSource(new StringReader(MESSAGE));
        StreamResult result = new StreamResult(System.out);
        webServiceTemplate.sendSourceAndReceiveToResult(source, result);
    }

    public Object marshalSendAndReceive(String uri, Object requestPayload) {
        return this.webServiceTemplate.marshalSendAndReceive(uri, requestPayload);
    }
}

marshalSendAndReceive是常用的方法。您可以通过阅读wsdl文件来了解Web Service支持的方法和参数，也可以使用SoapUI工具生成request、response XML，然后手工编写SOAP Domain对象。更简单的方法是使用maven-jaxb2-plugin插件自动生成。

maven-jaxb2-plugin


    org.jvnet.jaxb2.maven2
    maven-jaxb2-plugin
    0.14.0
    
        
            
                generate
            
        
    
    
        org.itrunner.ws
        ${project.basedir}/src/main/java
        ${project.basedir}/src/main/resources/wsdl
        
            *.wsdl

如上配置，将wsdl文件放入resources/wsdl文件夹，maven编译时将在指定包生成所有Web Service方法相关的stub类，其中包括package-info.java、ObjectFactory、request、response，并已配置好XML注解。
package-info.java

@javax.xml.bind.annotation.XmlSchema(namespace = "http://webservice.itrunner.org", elementFormDefault = javax.xml.bind.annotation.XmlNsForm.QUALIFIED)
package org.iata.caims.service.test;

ObjectFactory

import javax.xml.bind.annotation.XmlRegistry;

@XmlRegistry
public class ObjectFactory {

    /**
     * Create a new ObjectFactory that can be used to create new instances of schema derived classes for package: org.itrunner.ws
     */
    public ObjectFactory() {
    }

    /**
     * Create an instance of {@link SayHello }
     */
    public SayHello createSayHello() {
        return new SayHello();
    }

    /**
     * Create an instance of {@link SayHelloResponse }
     */
    public SayHelloResponse createSayHelloResponse() {
        return new SayHelloResponse();
    }
}

Request
Request类名对应Web Service方法名，属性对应Web Service参数。

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlType;

@XmlAccessorType(XmlAccessType.FIELD)
@XmlType(name = "", propOrder = {
        "in0"
})
@XmlRootElement(name = "sayHello")
public class SayHello {

    @XmlElement(required = true, nillable = true)
    protected String in0;

    /**
     * Gets the value of the in0 property.
     *
     * @return possible object is {@link String }
     */
    public String getIn0() {
        return in0;
    }

    /**
     * Sets the value of the in0 property.
     *
     * @param value allowed object is {@link String }
     */
    public void setIn0(String value) {
        this.in0 = value;
    }

}

Response

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlType;

@XmlAccessorType(XmlAccessType.FIELD)
@XmlType(name = "", propOrder = {
        "out"
})
@XmlRootElement(name = "sayHelloResponse")
public class SayHelloResponse {

    @XmlElement(required = true, nillable = true)
    protected String out;

    /**
     * Gets the value of the out property.
     *
     * @return possible object is {@link String }
     */
    public String getOut() {
        return out;
    }

    /**
     * Sets the value of the out property.
     *
     * @param value allowed object is {@link String }
     */
    public void setOut(String value) {
        this.out = value;
    }
}

牛刀小试

配置WebServiceTemplateBuilde与Jaxb2Marshaller：

import org.springframework.boot.webservices.client.HttpWebServiceMessageSenderBuilder;
import org.springframework.boot.webservices.client.WebServiceTemplateBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.oxm.jaxb.Jaxb2Marshaller;
import org.springframework.ws.client.core.WebServiceTemplate;

import static java.time.Duration.ofSeconds;

@Configuration
public class Config {
    @Bean
    public WebServiceTemplate webServiceTemplate(WebServiceTemplateBuilder builder) {
        return builder.messageSenders(new HttpWebServiceMessageSenderBuilder().setConnectTimeout(ofSeconds(60)).setReadTimeout(ofSeconds(60)).build()).build();
    }

    @Bean
    public Jaxb2Marshaller jaxb2Marshaller() {
        Jaxb2Marshaller marshaller = new Jaxb2Marshaller();
        marshaller.setContextPath("org.itrunner.ws");
        return marshaller;
    }
}

调用Web Service：

import org.springframework.boot.webservices.client.WebServiceTemplateBuilder;
import org.springframework.oxm.jaxb.Jaxb2Marshaller;
import org.springframework.stereotype.Service;
import org.springframework.ws.client.core.WebServiceTemplate;

@Service
public class HelloService {
    private static final String DEFAULT_URI = "http://localhost:8080/HelloService";

    private final WebServiceTemplate webServiceTemplate;

    public HelloService(WebServiceTemplateBuilder webServiceTemplateBuilder, Jaxb2Marshaller jaxb2Marshaller) {
        this.webServiceTemplate = webServiceTemplateBuilder.setDefaultUri(DEFAULT_URI)
                .setMarshaller(jaxb2Marshaller).setUnmarshaller(jaxb2Marshaller).build();
    }

    public SayHelloResponse sayHello(SayHello request) {
        return (SayHelloResponse) this.webServiceTemplate.marshalSendAndReceive(request);
    }
}

参考文档

Spring Boot Reference Guide
Spring Boot SOAP Client – WebServiceTemplate Example

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SpringBoot调用SOAPWebService

WebServiceTemplate

maven-jaxb2-plugin

牛刀小试

参考文档

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