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javawebservice:将Java程序转换为Webservice

来源: 发布时间:星期四, 2009年2月12日 浏览:150次 评论:0


1、选择要转换java文件生成
2、写wsdd
3、发布
  
剩下就只有了wsdl2java
  
  我原来系统是CICS对后台封装了现在用webservice再封装前台页面控制数据传输数据处理统统都可以分开了
  
  //以下是从网上找有关AXIS入门教程
  
  、Axis安装 1、环境 J2SE SDK 1.3 or 1.4: 我使用 1.4.2 Servlet Container: 我使用Tomcat 5.0
  
  2、到 http://ws.apache.org/Axis/网站WebSite下载Axis安装包
  
  3、解压缩安装包将Axis_UNZIP_PATH\Axis-version\webapps下Axis包拷贝到TOMCAT_HOME\webapps\下以下约定Axis_HOME为该TOMCAT_HOME\webapps\Axis目录
  
  4、启动tomcat,访问http://localhost:8080/Axis 检查安装是否成功
  
  5、以上步骤执行成功可以开发webservice例子了
  
  Axis支持 3种web service部署和开发分别为:
  
  1、Dynamic Invocation Interface ( DII)
  
  2、Stubs方式
  
  3、Dynamic Proxy方式
  
   2、编写DII(Dynamic Invocation Interface )方式web服务
  
  1.编写服务端HelloClient
  
  public HelloClient
  {
  public String getName(String name)
  {
   "hello "+name;
  }
  }
  
  2、将源码拷贝到Axis_HOME下重命名为 HelloClient.jws
  
  3、访问连接http://localhost:8080/Axis/HelloClient.jws?wsdl页面显示Axis自动生成wsdl
  
  4、编写访问服务客户端 TestHelloClient.java
  
  import org.apache.Axis.client.Call;
  import org.apache.Axis.client.Service;
  import javax.xml..QName;
  import javax.xml.rpc.ServiceException;
  import java.net.MalformedURLException;
  import java.rmi.RemoteException;
  
  public SayHelloClient2
  {
  public void (String args)
  {
  try
  {
  String endpo =
  "http://localhost:8080/Axis/HelloClient.jws";
  
  Service service = Service;
  Call call = null;
  
  call = (Call) service.createCall;
  
  call.OperationName( QName(
  "http://localhost:8080/Axis/HelloClient.jws",
  "getName"));
  call.TargetEndpoAddress
  ( java.net.URL(endpo));
  
  String ret = (String) call.invoke( Object
  {"zhangsan"});
  .out.prln(" value is " + ret);
  }
  catch (Exception ex)
  {
  ex.prStackTrace;
  }
  }
  }
  
   3、编写Dynamic Proxy方式访问服务
  
  1、编写部署服务端同上边DII方式本次仍使用上边部署HelloClient
  
  2、编写代理接口
  
  public erface HelloClientInterface
  extends java.rmi.Remote
  {
  public String getName(String name)
  throws java.rmi.RemoteException;
  }
  
  3、编写并执行客户端TestHelloClient.java
  
  import javax.xml.rpc.Service;
  import javax.xml.rpc.ServiceFactory;
  import java.net.URL;
  import javax.xml..QName;
  
  public TestHelloClient
  {
  public void (String args)
  {
  try
  {
  String wsdlUrl =
  "http://localhost:8080/Axis/HelloClient.jws?wsdl";
  String nameSpaceUri =
  "http://localhost:8080/Axis/HelloClient.jws";
  String serviceName = "HelloClientService";
  String portName = "HelloClient";
  
  ServiceFactory serviceFactory =
  ServiceFactory.Instance;
  Service afService =
  serviceFactory.createService( URL(wsdlUrl),
   QName(nameSpaceUri, serviceName));
  HelloClientInterface proxy = (HelloClientInterface)
  afService.getPort( QName(
  nameSpaceUri, portName),
  HelloClientInterface.);
  .out.prln
  (" value is "+proxy.getName("john") ) ;
  }catch(Exception ex)
  {
  ex.prStackTrace ;
  }
  }
  }
  
   4、编写wsdd发布web服务编写stub client访问web服务
  
  1、编写服务端server,SayHello.java编译server.SayHello.java
  package server;
  public SayHello
  {
  public String getName(String name)
  {
   "hello "+name;
  }
  }
  
  2.编写LogHandler.java
  import org.apache.Axis.AxisFault;
  import org.apache.Axis.Handler;
  import org.apache.Axis.MessageContext;
  import org.apache.Axis.handlers.BasicHandler;
  
  import java.util.Date;
  
  public LogHandler


  extends BasicHandler
  {
  public void invoke
  (MessageContext msgContext)
  throws AxisFault
  {
  
  try {
  Handler serviceHandler
  = msgContext.getService;
  
  Integer numAccesses =
  (Integer)serviceHandler.getOption("accesses");
   (numAccesses null)
  numAccesses = Integer(0);
  numAccesses = Integer
  (numAccesses.Value + 1);
  Date date = Date;
  String result =
  date + ": service " +
  msgContext.getTargetService +
  " accessed " + numAccesses + " time(s).";
  serviceHandler.Option
  ("accesses", numAccesses);
  .out.prln(result);
  } catch (Exception e)
  {
  throw AxisFault.makeFault(e);
  }
  }
  }
  
  3、编写wsdd文件
  
  deploy.wsdd
    "http://xml.apache.org/Axis/wsdd/"
  xmlns:java=
  "http://xml.apache.org/Axis/wsdd/providers/java">
  
    provider="java:RPC">
  
  
  
    value="server.SayHello"/>
    value="*"/>
  
  
  
  3、将编译后文件拷贝到Axis_HOME/WEB-INF/es下如:D:\tomcat\webapps\Axis\WEB-INF\es
  
  4、发布服务:
  
  java org.apache.Axis.client.AdminClient deploy.wsdd
  
  5、生成client stub文件
  
  a:方式1
  
  将SayHello.java拷贝到Axis_HOME/下重命名为SayHello.jws
  
  执行下面命令生存client stub
  
  java org.apache.Axis.wsdl.WSDL2Java
  -p client http://localhost:8080
  /Axis/services/SayHello.jws?wsdl
  
  b:方式2
  
  执行如下命令生成SayHello.wsdl
  
  java org.apache.Axis.wsdl.Java2WSDL
  -oSayHello.wsdl -lhttp://localhost:8080
  /Axis/services/SayHello -nsayhello server.SayHello
  
  执行如下命令生成client stub
  
  java org.apache.Axis.wsdl.WSDL2Java
  SayHello.wsdl -p client
  
  生成stub client文件列表为:
  
  1.SayHello.java
  
  2.SayHelloService.java
  
  3.SayHelloServiceLocator.java
  
  4.SayHelloSoapBindingStub.java
  
  6、编写客户端编译并执行
  
  public SayHelloClient
  {
  public void (String args)
  {
  try
  {
  SayHelloService service = client.
  SayHelloServiceLocator;
  client.SayHello_PortType
  client = service.getSayHello;
  String retValue=client.getName("zhangsan");
  .out.prln(retValue);
  }
  catch (Exception e)
  {
  .err.prln
  ("Execution failed. Exception: " + e);
  }
  }
  }
  
  您也可以写server-config.wsdd
  
    xmlns:java="http://xml.apache.org/axis/wsdd/providers/java">
  
  
  
    value="org.apache.axis.attachments.AttachmentsImpl"/>
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