XFire WebService开发快速起步
发布时间:2020-12-17 01:19:08 所属栏目:安全 来源:网络整理
导读:XFire WebService开发快速起步 ? 环境: XFire-1.2.6 JDK1.5 MyEclipse 6.5 Tomcat-5.5.27 Windows XP Professional简体中文版 ? 软件下载地址: [url]http://repository.codehaus.org/org/codehaus/xfire/xfire-distribution/1.2.6/xfire-distribution-1.2.
XFire WebService开发快速起步
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环境:
XFire-1.2.6
JDK1.5
MyEclipse 6.5
Tomcat-5.5.27
Windows XP Professional简体中文版
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软件下载地址:
[url]http://repository.codehaus.org/org/codehaus/xfire/xfire-distribution/1.2.6/xfire-distribution-1.2.6.zip[/url]
[url]http://apache.mirror.phpchina.com/tomcat/tomcat-5/v5.5.27/bin/apache-tomcat-5.5.27.zip[/url]
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有关WebService的概念、原理、数据发现、描述、绑定等过程、方式也不说了。这里就只关注如何快速开发出来一个通用的、易懂的Hello World例子。
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以下是开发步骤:
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1、创建工程
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打开MyEclipse 6.5,新建一个WebService工程。如下图
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然后一路next,直到完成。
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创建完成后,打开生成的web.xml文件,可以看到,XFire已经配置好了。
<?
xml?
version
="1.0"?
encoding
="UTF-8"
?>?
< web-app? xmlns ="http://java.sun.com/xml/ns/javaee"? xmlns:xsi ="http://www.w3.org/2001/XMLSchema-instance"? version ="2.5"? xsi:schemaLocation ="http://java.sun.com/xml/ns/javaee???? [url]http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd[/url]" >? ???? < servlet >? ???????? < servlet-name >XFireServlet </ servlet-name >? ???????? < servlet-class >org.codehaus.xfire.transport.http.XFireConfigurableServlet </ servlet-class >? ???????? < load-on-startup >0 </ load-on-startup >? ???? </ servlet >? ???? < servlet-mapping >? ???????? < servlet-name >XFireServlet </ servlet-name >? ???????? < url-pattern >/services/* </ url-pattern >? ???? </ servlet-mapping >? ???? < welcome-file-list >? ???????? < welcome-file >index.jsp </ welcome-file >? ???? </ welcome-file-list >? </ web-app >
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2、创建WebService服务
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创建两个个包“wstest.server”和“wstest.client”,用来保存服务端和客户端程序。然后开始创建服务端程序,如下图
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完成后,生成了一个Service的配置services.xml:
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<?
xml?
version
="1.0"?
encoding
="UTF-8"
?>?
< beans? xmlns ="http://xfire.codehaus.org/config/1.0" >? ?? < service >? ???? < name >MyService </ name >? ???? < serviceClass >wstest.server.IMyService </ serviceClass >? ???? < implementationClass >? ??????wstest.server.MyServiceImpl? ???? </ implementationClass >? ???? < style >wrapped </ style >? ???? < use >literal </ use >? ???? < scope >application </ scope >? ?? </ service >? </ beans >
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也生成了接口和默认实现,改写后如下:
package?wstest.server;?
//Generated by MyEclipse? public? interface?IMyService {? ???? ?? public?String sayHello(String user);? ???? }
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package?wstest.server;?
//Generated by MyEclipse? public? class?MyServiceImpl? implements?IMyService {? ???? ?? public?String sayHello(String user) {? ???? return? "您好,"+user;? ??}? ???? }
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至此,服务端代码已经完成。
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3、测试服务端代码
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测试依赖与Servlet容器Tomcat,需要将做好的服务端打包部署到tomcat上,然后启动。才可以进行测试。假设你已经配置了Tomcat服务器,并完成了WebService服务端的部署。那么,现在就启动Tomcat,然后:
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输入访问地址:
[url]http://localhost:8080/xfire126Demo/services/MyService?wsdl[/url]? ,然后go一把!
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这样,出现上上面的结果,表明测试成功了。
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4、生成客户端代码
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很郁闷,这个生成的客户端代码一部分跑到服务端的包里面了。真是垃圾,rubbish!!!
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但是,这就是MyEclipse的功能,我改变不了。
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5、客户端测试
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下面就耐心看怎么用这个客户端代码。
打开生成的代码如下:
package?wstest.client;? import?java.net.MalformedURLException;? import?java.util.Collection;? import?java.util.HashMap;? import?javax.xml.namespace.QName;? import?org.codehaus.xfire.XFireRuntimeException;? import?org.codehaus.xfire.aegis.AegisBindingProvider;? import?org.codehaus.xfire.annotations.AnnotationServiceFactory;? import?org.codehaus.xfire.annotations.jsr181.Jsr181WebAnnotations;? import?org.codehaus.xfire.client.XFireProxyFactory;? import?org.codehaus.xfire.jaxb2.JaxbTypeRegistry;? import?org.codehaus.xfire.service.Endpoint;? import?org.codehaus.xfire.service.Service;? import?org.codehaus.xfire.soap.AbstractSoapBinding;? import?org.codehaus.xfire.transport.TransportManager;? public? class?MyServiceClient {? ???????? private? static?XFireProxyFactory proxyFactory =? new?XFireProxyFactory();? ???????? private?HashMap endpoints =? new?HashMap();? ???????? private?Service service0;? ???????? public?MyServiceClient() {? ????????????????create0();? ????????????????Endpoint MyServicePortTypeLocalEndpointEP = service0 .addEndpoint( new?QName( "http://server.wstest","MyServicePortTypeLocalEndpoint"),new QName("http://server.wstest","MyServicePortTypeLocalBinding"),"xfire.local://MyService");? ????????????????endpoints.put(new?QName("http://server.wstest",MyServicePortTypeLocalEndpointEP);? ????????????????Endpoint MyServiceHttpPortEP = service0 .addEndpoint(new?QName("http://server.wstest","MyServiceHttpPort"),"MyServiceHttpBinding"),"http://localhost:8080/xfire126Demo/services/MyService");? ????????????????endpoints.put(new?QName("http://server.wstest",MyServiceHttpPortEP);? ????????}? ????????public?Object getEndpoint(Endpoint endpoint) {? ????????????????try?{? ????????????????????????return?proxyFactory.create((endpoint).getBinding(),(endpoint).getUrl());? ????????????????}?catch?(MalformedURLException e) {? ????????????????????????throw?new?XFireRuntimeException("Invalid URL",e);? ????????????????}? ????????}? ????????public?Object getEndpoint(QName name) {? ????????????????Endpoint endpoint = ((Endpoint) endpoints.get((name)));? ????????????????if?((endpoint) ==?null) {? ????????????????????????throw?new?IllegalStateException("No such endpoint!");? ????????????????}? ????????????????return?getEndpoint((endpoint));? ????????}? ????????public?Collection getEndpoints() {? ????????????????return?endpoints.values();? ????????}? ????????private?void?create0() {? ????????????????TransportManager tm = (org.codehaus.xfire.XFireFactory.newInstance().getXFire().getTransportManager());? ????????????????HashMap props =?new?HashMap();? ????????????????props.put("annotations.allow.interface",?true);? ????????????????AnnotationServiceFactory asf =?new?AnnotationServiceFactory(new?Jsr181WebAnnotations(),tm,?new?AegisBindingProvider(new?JaxbTypeRegistry()));? ????????????????asf.setBindingCreationEnabled(false);? ????????????????service0 = asf.create((wstest.client.MyServicePortType.class),props);? ????????????????{? ????????????????????????AbstractSoapBinding soapBinding = asf.createSoap11Binding(service0,?new?QName("http://server.wstest","http://schemas.xmlsoap.org/soap/http");? ????????????????}? ????????????????{? ????????????????????????AbstractSoapBinding soapBinding = asf.createSoap11Binding(service0,"urn:xfire:transport:local");? ????????????????}? ????????}? ????????public?MyServicePortType getMyServicePortTypeLocalEndpoint() {? ????????????????return?((MyServicePortType)(this).getEndpoint(new?QName("http://server.wstest","MyServicePortTypeLocalEndpoint")));? ????????}? ????????public?MyServicePortType getMyServicePortTypeLocalEndpoint(String url) {? ????????????????MyServicePortType var = getMyServicePortTypeLocalEndpoint();? ????????????????org.codehaus.xfire.client.Client.getInstance(var).setUrl(url);? ????????????????return?var;? ????????}? ????????public?MyServicePortType getMyServiceHttpPort() {? ????????????????return?((MyServicePortType)(this).getEndpoint(new?QName("http://server.wstest","MyServiceHttpPort")));? ????????}? ????????public?MyServicePortType getMyServiceHttpPort(String url) {? ????????????????MyServicePortType var = getMyServiceHttpPort();? ????????????????org.codehaus.xfire.client.Client.getInstance(var).setUrl(url);? ????????????????return?var;? ????????}? ????????public?static?void?main(String[] args) {? ????????????????? ????????????????MyServiceClient client =?new?MyServiceClient();? ????????????????? ????//create a default service endpoint? ????????????????MyServicePortType service = client.getMyServiceHttpPort();? ????????????????? ????//TODO: Add custom client code here? ????????????????????//? ????????????????????//service.yourServiceOperationHere();? ????????????????? ????System.out.println("test client completed");? ????????????????????System.exit(0);? ????????}? }?
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看得很晕,不知道啥意思,但是从“TODO”标记处,我知道了:
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//TODO: Add custom client code here?
???????????????????? //? ???????????????????? //service.yourServiceOperationHere();?
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现在就在这里添加测试代码吧:
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//TODO: Add custom client code here?
???????????????????? //? ???????????????????? //service.yourServiceOperationHere();? ????????????????String helloString = service.sayHello( "熔岩");? ????????????????System.out.println(helloString);
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添加了很傻蛋的两行代码后,就可以运行起来看看测试代码了。
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运行结果如下:
您好,熔岩?
test client completed
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终于可以松一口气了。完整的例子跑起来了。
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6、总结
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总感觉这个开发过程不爽,其实有更好的工具和开发方式:
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WebService的编写,比较麻烦的是客户端代码,客户端代码依靠人工去写基本上是不可能的,除非你愿意付出惊人的时间和精力,既便如此也得不偿失。
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MyEclipse的客户端开发太差,主要是生成的客户端代码混乱,解决办法是将客户端的编写放到单独一个工程里面来做。
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其实,只要服务端编写好了,就完全可以用别的方式根据wsdl的url去生成客户端代码,在这里不得不将一个强大的工具IDEA8推荐出来,IDEA8自带WebService开发工具,插件非常强大,易用。在后面的篇幅中,我会做专门介绍,敬请关注。
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当然,MyEclipse也并非一无是处,MyEclipse的服务端调试工具就很不错,很喜欢。提高了开发效率,这也是MyEclipse的过人之处。
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最后,告诫各位,即使WebService支持复杂对象参数,也不建议使用,因为数据绑定还不是那么完美,总有些缺憾,为了保险起见,还是建议使用String作为参数最好了。
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