webservice系统学习笔记8-简单的权限校验

服务端handler.java

package com.ws01;

import java.util.Set;

import javax.xml.namespace.QName;
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;

public class ServiceSoapHandler implements SOAPHandler<SOAPMessageContext> {

    /**
     * 校验用户名密码、校验是否有权限执行方法
     */
    @Override
    public boolean handleMessage(SOAPMessageContext context) {
        Boolean out = (Boolean)context.get(SOAPMessageContext.MESSAGE_OUTBOUND_PROPERTY);
        if(!out){
            SOAPMessage message = context.getMessage();
            try {
                SOAPHeader header = message.getSOAPPart().getEnvelope().getHeader();
                SOAPBody body = message.getSOAPPart().getEnvelope().getBody();
                
                //如果头信息为空或者没有内容,直接抛出异常
                if(null==header || header.getChildNodes().getLength()==0){
                    SOAPFault fault = body.addFault();
                    fault.setFaultString("头信息不能为空！");
                    throw new SOAPFaultException(fault);
                }
                //校验用户名和密码
                Node node = header.getElementsByTagName("lic:userpassword").item(0);
                String password = node.getTextContent();
                System.out.println("client send password:"+password);
                if(!"123456".equals(password)) {
                    return false;
                }
                
                //校验是否有执行方法的权限
                Node bd = body.getFirstChild();
                String methodName = bd.getLocalName();//调用的方法名
                System.out.println(methodName);
                //这个方法不允许该用户调用
                if("adminLogin".equals(methodName)){
                    return false;
                }
            } catch (SOAPException e) {
                e.printStackTrace();
            }
            
        }
        return true;
    }
    
    @Override
    public Set<QName> getHeaders() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public void close(MessageContext context) {
        // TODO Auto-generated method stub
        
    }

    @Override
    public boolean handleFault(SOAPMessageContext context) {
        // TODO Auto-generated method stub
        return false;
    }
}