Apache CXF自訂攔截器，apachecxf
為什麼設計攔截器？
1.為了在webservice請求過程中，能動態操作請求和響應資料，CXF設計了攔截器
攔截器分類：
1.按所處的位置分：伺服器端攔截器，用戶端攔截器。
2.按訊息的方向分：入攔截器，出攔截器。
3.按定義者分：系統攔截器，自訂攔截器。
用戶端添加日誌攔截器
package com.client.interceptor;import java.util.List;import javax.xml.namespace.QName;import org.apache.cxf.binding.soap.SoapMessage;import org.apache.cxf.headers.Header;import org.apache.cxf.helpers.DOMUtils;import org.apache.cxf.interceptor.Fault;import org.apache.cxf.phase.AbstractPhaseInterceptor;import org.apache.cxf.phase.Phase;import org.w3c.dom.Document;import org.w3c.dom.Element;public class AddUserInterceptor extends AbstractPhaseInterceptor<SoapMessage>{ private String name; private String password; /** * * @param name * @param password */ public AddUserInterceptor(String name,String password) { super(Phase.PRE_PROTOCOL);//準備協議化時攔截 // TODO Auto-generated constructor stub this.name=name; this.password=password; } @Override public void handleMessage(SoapMessage msg) throws Fault { // TODO Auto-generated method stub List<Header> headers = msg.getHeaders(); Document document = DOMUtils.createDocument(); Element rootEle = document.createElement("apple"); Element nameEle = document.createElement("name"); nameEle.setTextContent(name); rootEle.appendChild(nameEle); Element passwordEle = document.createElement("password"); passwordEle.setTextContent(password); rootEle.appendChild(passwordEle); headers.add(new Header(new QName("apple"), rootEle)); System.out.println("client handMwssage()...."); }}
伺服器端攔截器:
package com.service.interceptor;import javax.xml.namespace.QName;import org.apache.cxf.binding.soap.SoapMessage;import org.apache.cxf.headers.Header;import org.apache.cxf.interceptor.Fault;import org.apache.cxf.phase.AbstractPhaseInterceptor;import org.apache.cxf.phase.Phase;import org.w3c.dom.Element;public class CheckUser extends AbstractPhaseInterceptor<SoapMessage>{ public CheckUser() { super(Phase.PRE_PROTOCOL); // TODO Auto-generated constructor stub } /* <Envelope> <head> <apple> <name>bo ram</name> <password>520</password> <apple> </head> <Body> <favorite> <arg0>Tara</arg0> <favorite> </Body> </Envelope> */ @Override public void handleMessage(SoapMessage message) throws Fault { // TODO Auto-generated method stub Header header = message.getHeader(new QName("apple")); if(header!=null){ Element appleEle=(Element) header.getObject(); String name = appleEle.getElementsByTagName("name").item(0).getTextContent(); String password = appleEle.getElementsByTagName("password").item(0).getTextContent(); if("bo ram".equals(name)&&"520".equals(password)){ System.out.println("Server 通過攔截器"); return; } } System.out.println("server 沒有通過攔截器。。。。。"); throw new Fault(new Exception("請求需要一個正確的使用者名稱和密碼")); }}
用戶端
package com.cxf_client.client;import java.util.List;import org.apache.cxf.endpoint.Client;import org.apache.cxf.frontend.ClientProxy;import org.apache.cxf.interceptor.Interceptor;import org.apache.cxf.interceptor.LoggingInInterceptor;import org.apache.cxf.interceptor.LoggingOutInterceptor;import org.apache.cxf.message.Message;import com.client.interceptor.AddUserInterceptor;import com.client.simple3.Simple;import com.client.simple3.SimpleimplService;public class Simpleclient2 { public static void main(String[] args) { // TODO Auto-generated method stub SimpleimplService simpleimplService = new SimpleimplService(); Simple simpleimplPort = simpleimplService.getSimpleimplPort(); //發送請求的用戶端資料 Client client = ClientProxy.getClient(simpleimplPort); //用戶端出攔截器 List<Interceptor<? extends Message>> outInterceptors = client.getOutInterceptors(); outInterceptors.add(new AddUserInterceptor("bo ram", "520"));// //用戶端入攔截器// List<Interceptor<? extends Message>> inInterceptors = client.getInInterceptors();// inInterceptors.add(new LoggingInInterceptor()); String favorite = simpleimplPort.favorite("Tara"); System.out.println(favorite); }}
服務端
package com.service.server;import java.util.List;import javax.xml.ws.Endpoint;import org.apache.cxf.interceptor.Interceptor;import org.apache.cxf.interceptor.LoggingInInterceptor;import org.apache.cxf.interceptor.LoggingOutInterceptor;import org.apache.cxf.jaxws22.EndpointImpl;import org.apache.cxf.message.Message;import com.service.impl.Simpleimpl;import com.service.interceptor.CheckUser;public class SimpleServer2 { public static void main(String[] args) { // TODO Auto-generated method stub String address="http://localhost:8848/simpleserver/simple"; Endpoint publish = Endpoint.publish(address, new Simpleimpl()); EndpointImpl endpointimpl=(EndpointImpl) publish; //服務端入攔截器 List<Interceptor<? extends Message>> inInterceptors = endpointimpl.getInInterceptors(); inInterceptors.add(new CheckUser());// //服務端出攔截器// List<Interceptor<? extends Message>> outInterceptors = endpointimpl.getOutInterceptors();// outInterceptors.add(new LoggingOutInterceptor()); System.out.println("published"); }}
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