在杭州出差一年有余,终于结束那个炼狱式的出差生活,心里一个High啊!虽然知道明年还要过去...
年末公司其他项目组看起来都是硕果累累啊,唯独我们项目组的兄弟都很萎,一是项目没有验收,另一个是我们项目做了一年多却不能拿出来给公司领导show一下(这个主要原因是因为我们做的这个项目是几家公司合伙做的,穿插的东西太多,很多有亮点的东西都无法玩儿,尤其是项目中和权限挂钩的模块)。我们老大想了一想把我和熊磊磊喊过去,吩咐道:项目我们也做了一年多了,我希望你们能够把项目中独立起来的模块抽出来包装成WebService,以供后期使用或者给其他兄弟项目组的使用。把你们认为能够独立的列一个清单,然后想想怎么实现。
老大的一番话,我感觉很有道理,我们不光可以温习曾经做过的东西,同事也算是一种学习吧。
谈到WebService我在浙江项目也封装过,不过是使用了WebService框架,需要引入N多东西(这也是我一直比较反感的)。现在我首先想到的是简单,易用。再说,在之前我已经研究过Jax-WS\JAXB,如果使用Jax-WS来做,对我来说也是小case。好了,不扯远了,步入我们的正题吧!
接下来我们逐步来探讨技术吧。
首先,打开Eclipse开发工具,创建一个名为GeoWS的Web Project。新建ICityService.java和IPOIManager.java两个接口,这两个接口分别做“城市定位查询”和“兴趣点查询”。接口都是简单的测试,没有仔细设计。
ICityService.java 代码如下:
package com.geostar.commonws.city; import com.geostar.commonws.city.domain.UserDTO; public interface ICityService { public String getCityInfo(String cityName); public UserDTO getUserInfo(UserDTO user); }
其中UserDTO是我测试JAX-WS能不能返回自定义的对象,这个对象我采用jaxb注解对象,其代码如下:
package com.geostar.commonws.city.domain; import javax.xml.bind.annotation.XmlRootElement; @XmlRootElement public class UserDTO { private String userName; private String password; public String getUserName() { return userName; } public void setUserName(String userName) { this.userName = userName; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } }
IPOIManager.java 代码如下:
package com.geostar.commonws.city; import com.geostar.commonws.city.domain.PoiDTO; public interface IPOIManager { public PoiDTO getPOINInfo(String name); }
其中的PoiDTO与UserDTO类似,也是我测试用的。 代码如下:
package com.geostar.commonws.city.domain; import javax.xml.bind.annotation.XmlRootElement; @XmlRootElement public class PoiDTO { private String oid; private String standardname; private long weight; private String addressName; private String imageUrl; public String getOid() { return oid; } public void setOid(String oid) { this.oid = oid; } public String getStandardname() { return standardname; } public void setStandardname(String standardname) { this.standardname = standardname; } public long getWeight() { return weight; } public void setWeight(long weight) { this.weight = weight; } public String getAddressName() { return addressName; } public void setAddressName(String addressName) { this.addressName = addressName; } public String getImageUrl() { return imageUrl; } public void setImageUrl(String imageUrl) { this.imageUrl = imageUrl; } }
接口已经写好了,接下来便是接口实现类了,接口实现类也是很简单的测试:
package com.geostar.commonws.city.impl; import javax.jws.WebMethod; import javax.jws.WebParam; import javax.jws.WebService; import com.geostar.commonws.city.ICityService; import com.geostar.commonws.city.domain.UserDTO; @WebService(targetNamespace = "http://www.geostar.com.cn/geoglobe/", serviceName = "CityService", portName = "CityServicePort") public class CityServiceImpl implements ICityService{ @WebMethod(action="http://www.geostar.com.cn/geoglobe/CityService/getCityInfo", operationName="getCityInfo") public String getCityInfo(@WebParam(name="cityName")String cityName){ return "浙江"; }; @WebMethod(action="http://www.geostar.com.cn/geoglobe/CityService/getUserInfo", operationName="getUserInfo") public UserDTO getUserInfo(UserDTO user){ UserDTO u=new UserDTO(); u.setPassword(user.getPassword()); u.setUserName(user.getUserName()); return u; }; }
package com.geostar.commonws.city.impl; import javax.jws.WebMethod; import javax.jws.WebService; import com.geostar.commonws.city.IPOIManager; import com.geostar.commonws.city.domain.PoiDTO; @WebService(targetNamespace = "http://www.geostar.com.cn/geoglobe/", serviceName = "POIManager", portName = "POIManagerPort") public class POIManagerImpl implements IPOIManager{ @WebMethod(action="http://www.geostar.com.cn/geoglobe/POIManager/getPOINInfo", operationName="getPOINInfo") public PoiDTO getPOINInfo(String name){ PoiDTO poi=new PoiDTO(); poi.setOid("xxxxxxxxxxxxxxxxxxxx"); poi.setAddressName("浙江省测绘局"); poi.setImageUrl("/image/poi/point.gif"); poi.setWeight(10); return poi; }; }
接口和接口实现类都完了,下面该来写配置文件了,首先来看看jax-ws的配置文件 sun-jaxws.xml(位置在web-inf目录下,下同web.xml)
<?xml version="1.0" encoding="UTF-8"?> <endpoints xmlns="http://java.sun.com/xml/ns/jax-ws/ri/runtime" version="2.0"> <endpoint name="POIComponent" implementation="com.geostar.commonws.city.impl.POIManagerImpl" url-pattern="/POIManager"/> <endpoint name="CityComponent" implementation="com.geostar.commonws.city.impl.CityServiceImpl" url-pattern="/CityQuery"/> </endpoints>
web.xml的配置文件如下:
<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0"> <listener> <listener-class> com.sun.xml.ws.transport.http.servlet.WSServletContextListener </listener-class> </listener> <servlet> <servlet-name>GeoWS</servlet-name> <servlet-class> com.sun.xml.ws.transport.http.servlet.WSServlet </servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>GeoWS</servlet-name> <url-pattern>/POIManager</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>GeoWS</servlet-name> <url-pattern>/CityQuery</url-pattern> </servlet-mapping> <session-config> <session-timeout>120</session-timeout> </session-config> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app>
ok,整个工程差不多了,接下来便是让这个工程怎么在tomcat下跑起来了,上面的代码如果编译是能通过的,但是如果想运行起来,还需要在tomcat安装目录下的lib文件夹下丢一些jar包,他们是:
jaxb-impl.jar
jaxws-api.jar
jaxws-rt.jar
gmbal-api-only.jar
management-api.jar
stax-ex.jar
streambuffer.jar
policy.jar
这些jar包 你可以在http://jax-ws.java.net/ 这个网站下载的。
ok,我们可以编译运行了。
如果tomcat启动无错,会显示以下信息:
2012-1-17 13:39:07 org.apache.catalina.core.AprLifecycleListener init 信息: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: E:\Oracle\Middleware\jdk160_11\bin;.;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;D:/java/jdk1.6.0_03/bin/../jre/bin/client;D:/java/jdk1.6.0_03/bin/../jre/bin;D:/java/jdk1.6.0_03/bin/../jre/lib/i386;G:\product\11.1.0\client_1;G:\app\DELL\product\11.1.0\db_1\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\WIDCOMM\Bluetooth Software\;C:\Program Files\ATI Technologies\ATI.ACE\Core-Static;C:\Program Files\Intel\WiFi\bin\;C:\Program Files\Common Files\Intel\WirelessCommon\;C:\Program Files\Common Files\Thunder Network\KanKan\Codecs;D:\java\jdk1.6.0_03\bin;C:\Program Files\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files\Microsoft SQL Server\100\DTS\Binn\;E:\GeoGlobe\Server\TASTool\win64\instantclient_11_2;E:\Oracle\Middleware\jdk160_11\bin;C:\Program Files\Common Files\Adobe\AGL;E:\Program Files\Tencent\QQPCMgr\6.3.2078.201;E:\Program Files\TortoiseSVN\bin;E:\Program Files\Tencent\QQPCMgr\6.3.2078.201 2012-1-17 13:39:07 org.apache.tomcat.util.digester.SetPropertiesRule begin 警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:GeoWS' did not find a matching property. 2012-1-17 13:39:08 org.apache.coyote.http11.Http11Protocol init 信息: Initializing Coyote HTTP/1.1 on http-8080 2012-1-17 13:39:08 org.apache.catalina.startup.Catalina load 信息: Initialization processed in 792 ms 2012-1-17 13:39:08 org.apache.catalina.core.StandardService start 信息: Starting service Catalina 2012-1-17 13:39:08 org.apache.catalina.core.StandardEngine start 信息: Starting Servlet Engine: Apache Tomcat/6.0.29 2012-1-17 13:39:08 com.sun.xml.ws.transport.http.servlet.WSServletContextListener contextInitialized 信息: WSSERVLET12: JAX-WS context listener initializing 2012-1-17 13:39:09 com.sun.xml.ws.server.MonitorBase createRoot 信息: Metro monitoring rootname successfully set to: null 2012-1-17 13:39:10 com.sun.xml.ws.server.MonitorBase createRoot 信息: Metro monitoring rootname successfully set to: null 2012-1-17 13:39:10 com.sun.xml.ws.transport.http.servlet.WSServletDelegate <init> 信息: WSSERVLET14: JAX-WS servlet initializing 2012-1-17 13:39:10 org.apache.coyote.http11.Http11Protocol start 信息: Starting Coyote HTTP/1.1 on http-8080 2012-1-17 13:39:10 org.apache.jk.common.ChannelSocket init 信息: JK: ajp13 listening on /0.0.0.0:8009 2012-1-17 13:39:10 org.apache.jk.server.JkMain start 信息: Jk running ID=0 time=0/31 config=null 2012-1-17 13:39:10 org.apache.catalina.startup.Catalina start 信息: Server startup in 2173 ms 2012-1-17 13:40:17 org.apache.coyote.http11.Http11Protocol pause 信息: Pausing Coyote HTTP/1.1 on http-8080 2012-1-17 13:40:18 org.apache.catalina.core.StandardService stop 信息: Stopping service Catalina
那我们可以在浏览器下敲入:http://localhost:8080/GeoWS/POIManager?wsdl 和 http://localhost:8080/GeoWS/CityQuery?wsdl 来查看这两个webservice,为了能更好的测试webservice,我们可以下载一个WebService客户端工具,比如我使用SOAPUI来测试,具体这个工具怎么使用,我想聪明的大家三两下能搞定的。测试完毕,我们发现webservice接口可以返回复杂的对象。
今天就写到这里了,如果有什么疑问可以联系我,我的QQ:570777808。
转载请注明出处:http://www.cnblogs.com/likehua/archive/2012/01/17/2324643.html