SOAP Handler

package cn.ljl.sand.jws.chapter4.service.handler;
import java.util.Set;
import javax.xml.namespace.QName;
import javax.xml.soap.MessageFactory;
import javax.xml.soap.SOAPBody;
import javax.xml.soap.SOAPException;
import javax.xml.soap.SOAPFault;
import javax.xml.soap.SOAPHeader;
import javax.xml.soap.SOAPMessage;
import javax.xml.ws.handler.MessageContext;
import javax.xml.ws.handler.soap.SOAPHandler;
import javax.xml.ws.handler.soap.SOAPMessageContext;
import javax.xml.ws.soap.SOAPFaultException;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
public class AccessHandler implements SOAPHandler<SOAPMessageContext> {
    @Override
    public boolean handleMessage(SOAPMessageContext context) {
        Boolean out = (Boolean) context
                .get(MessageContext.MESSAGE_OUTBOUND_PROPERTY);
        // true表示出的方向，即服务端返回的时候；false表示进的方向，即服务端接收请求参数的时候
        if (!out) {
            SOAPHeader header = null;
            
            try {
                header = context.getMessage().getSOAPPart().getEnvelope().getHeader();
            } catch (SOAPException e) {
                e.printStackTrace();
                return false;
            }
            if (header == null) {
                String tip = "缺少头部信息!";
                SOAPFaultException exception = createFaultException(tip);
                throw exception;
            } else if (!header.hasChildNodes()) {
                String tip = "头部信息不能为空！";
                SOAPFaultException exception = createFaultException(tip);
                throw exception;
            } else {
                NodeList nl = header.getElementsByTagNameNS(
                        "http://service.chapter4.jws.sand.ljl.cn/", "user");
                if (nl.getLength() == 0) {
                    String tip = "头部信息中找不到用户信息！";
                    SOAPFaultException exception = createFaultException(tip);
                    throw exception;
                }
                Node node = nl.item(0);
                String user = node.getTextContent();
                System.out.println("请求的用户为：" + user);
            }
        }
        return true;
    }
    @Override
    public boolean handleFault(SOAPMessageContext context) {
        return false;
    }
    @Override
    public void close(MessageContext context) {
    }
    @Override
    public Set<QName> getHeaders() {
        return null;
    }
    /**
     * 根据消息创建异常.
     * 
     * @param message
     *            消息
     * @return
     */
    private SOAPFaultException createFaultException(String message) {
        SOAPFault fault = null;
        try {
            SOAPMessage smess = MessageFactory.newInstance().createMessage();
            SOAPBody body = smess.getSOAPPart().getEnvelope().getBody();
            fault = body.addFault();
            fault.setFaultString(message);
        } catch (SOAPException e) {
            e.printStackTrace();
            if (fault == null)
                return null;
        }
        SOAPFaultException exception = new SOAPFaultException(fault);
        return exception;
    }
}

package cn.ljl.sand.jws.chapter4.service;
import javax.jws.WebResult;
import javax.jws.WebService;
@WebService
public interface IAccessService {
    @WebResult(name = "accessResult")
    public String access();
}

@HandlerChain(file = "cn/ljl/sand/jws/chapter4/client/handler/handler-chains.xml")

package cn.ljl.sand.jws.chapter4.client;
import java.net.MalformedURLException;
import java.net.URL;
import org.junit.Assert;
import org.junit.Test;
import cn.ljl.sand.jws.chapter4.client.wsimport.AccessServiceImplService;
import cn.ljl.sand.jws.chapter4.client.wsimport.IAccessService;
public class WSIClient {
    /** wsdl的地址 */
    private static final String WSDL_URL = "http://localhost:6666/service/access?wsdl";
    @Test
    public void test() throws MalformedURLException {
        URL url = new URL(WSDL_URL);
        AccessServiceImplService ss = new AccessServiceImplService(url);
        IAccessService service = ss.getAccessServiceImplPort();
        String message = service.access();
        Assert.assertEquals("你成功了！", message);
    }
}