基于JDK6的JAX-WX为客户端提供XML与JSON格式数据服务，以及客户端采用AXIS调用案例

package com.mw.dao;

import com.mw.vo.Nsr;
import java.util.List;

/**
 * @author  y
 * @date    2015-4-4 9:23:53
 * @version 1.0
 * @desc    
 */
public interface NsrDao {
    
    List<Nsr> getNsrList();
    
}

package com.mw.dao.impl;

import com.mw.dao.NsrDao;
import com.mw.vo.Nsr;
import java.util.ArrayList;
import java.util.List;

/**
 * @author  y
 * @date    2015-4-4 9:27:34
 * @version V1.0
 * @desc    
 */
public class NsrDaoImpl implements NsrDao{
    
    public List<Nsr> getNsrList() {
        List<Nsr> list = new ArrayList<Nsr>();
        Nsr nsr = new Nsr();
        nsr.setNsrsbh("123");
        nsr.setNsrmc("name1");
        list.add(nsr);
        nsr = new Nsr();
        nsr.setNsrsbh("456");
        nsr.setNsrmc("name2");
        list.add(nsr);
        
        return list;
    }

    
}

package com.mw.services;

import com.google.gson.Gson;
import com.mw.dao.NsrDao;
import com.mw.dao.impl.NsrDaoImpl;
import com.mw.utils.JaxbUtil;
import com.mw.vo.Nsr;
import com.mw.vo.xml.NsrRoot;
import javax.jws.WebMethod;
import javax.jws.WebService;

/**
 * @author y
 * @date 2015-4-4 9:31:11
 * @version V1.0
 * @desc
 */
@WebService
public class NsrManager {

    private final NsrDao nd;
    private final Gson gson;

    public NsrManager() {
        nd = new NsrDaoImpl();
        gson = new Gson();
    }

    @WebMethod
    public String getNsrListJSON() {
        return gson.toJson(nd.getNsrList());
    }

    @WebMethod
    public String getNsrListXML() {
        NsrRoot obj = new NsrRoot();
        obj.setList(nd.getNsrList());

        JaxbUtil jaxbUtil = new JaxbUtil(NsrRoot.class, JaxbUtil.CollectionWrapper.class);

        return jaxbUtil.toXml(obj, "utf-8");
    }

    @WebMethod
    public String getNsrObjectXML() {
        Nsr nsr = nd.getNsrList().get(0);
        JaxbUtil jaxbUtil = new JaxbUtil(Nsr.class);
        return jaxbUtil.toXml(nsr, "utf-8");
    }
}

package com.mw.utils;

import java.io.StringWriter;
import java.util.Collection;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.annotation.XmlAnyElement;
import javax.xml.namespace.QName;
import org.apache.commons.lang.StringUtils;

/**
 * @author y
 * @date 2015-4-4 10:43:08
 * @version V1.0
 * @desc JAXB工具类用于将Java 对象转换为XML字符串
 */
public class JaxbUtil {

    private JAXBContext jaxbCtx;

    public JaxbUtil(Class<?>... types) {
        try {
            jaxbCtx = JAXBContext.newInstance(types);
        } catch (JAXBException e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * Java Object->Xml
     * @param root
     * @param encoding
     * @return
     */
    public String toXml(Object root, String encoding) {
        try {
            StringWriter writer = new StringWriter();
            createMarshaller(encoding).marshal(root, writer);
            return writer.toString();
        } catch (JAXBException e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * Java Object->Xml, 用于支持对Root Element是Collection的情形
     * @param root
     * @param rootName
     * @param encoding
     * @return
     */
    public String toXml(Collection root, String rootName, String encoding) {
        try {
            CollectionWrapper wrapper = new CollectionWrapper();
            wrapper.collection = root;

            JAXBElement<CollectionWrapper> wrapperElement = new JAXBElement<CollectionWrapper>(
                    new QName(rootName), CollectionWrapper.class, wrapper);

            StringWriter writer = new StringWriter();
            createMarshaller(encoding).marshal(wrapperElement, writer);

            return writer.toString();
        } catch (JAXBException e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * 创建Marshaller, 设定encoding
     * @param encoding
     * @return
     */
    public Marshaller createMarshaller(String encoding) {
        try {
            Marshaller marshaller = jaxbCtx.createMarshaller();

            marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);

            if (StringUtils.isNotBlank(encoding)) {
                marshaller.setProperty(Marshaller.JAXB_ENCODING, encoding);
            }
            return marshaller;
        } catch (JAXBException e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * 封装Root Element 是 Collection的情况.
     */
    public static class CollectionWrapper {
        @SuppressWarnings("unchecked")
        @XmlAnyElement
        protected Collection collection;
    }

}

package com.mw.vo;

import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;

/**
 * @author  y
 * @date    2015-4-4 9:24:52
 * @version V1.0
 * @desc    
 */
@XmlRootElement(name="nsr")
public class Nsr {
    
    private String nsrsbh;
    private String nsrmc;

    @XmlElement(name="nsrsbh")
    public String getNsrsbh() {
        return nsrsbh;
    }

    public void setNsrsbh(String nsrsbh) {
        this.nsrsbh = nsrsbh;
    }

    @XmlElement(name="nsrmc")
    public String getNsrmc() {
        return nsrmc;
    }

    public void setNsrmc(String nsrmc) {
        this.nsrmc = nsrmc;
    }
    
    
}

package com.mw.vo.xml;

import com.mw.vo.Nsr;
import java.util.List;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;

/**
 * @author  y
 * @date    2015-4-4 10:56:11
 * @version V1.0
 * @desc    
 */
@XmlRootElement(name="nsrs")
public class NsrRoot {
    private List<Nsr> list;
    
    @XmlElement(name="nsr")
    public List<Nsr> getList() {
        return list;
    }

    public void setList(List<Nsr> list) {
        this.list = list;
    }
    
    
}

package com.mw.servlet;

import com.mw.utils.AxisInvokeJAXWSUtil;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @author  y
 * @date    2015-4-4 10:15:40
 * @version 1.0
 * @desc    
 */
public class NsrServlet extends HttpServlet {

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/xml;charset=UTF-8");
        PrintWriter out = response.getWriter();
        
        String result = "";
        
        try {
            result = AxisInvokeJAXWSUtil.invoke(
                    "http://services.mw.com/", 
                    "getNsrListXML", 
                    "http://localhost:7001/jax_ws_server/NsrManagerService?wsdl", 
                    null);
            
        } catch (Exception ex) {
            Logger.getLogger(NsrServlet.class.getName()).log(Level.SEVERE, null, ex);
        } finally{
            out.print(result);
            out.close();
        }
    } 
    
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 
    
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }
}

package com.mw.utils;

import javax.xml.namespace.QName;
import javax.xml.rpc.ParameterMode;
import javax.xml.rpc.encoding.XMLType;
import org.apache.axis.client.Call;
import org.apache.axis.client.Service;



/**
 * @author yan
 * @date 2015-4-2 22:49:33
 * @version V1.0
 * @desc 
 */
public final class AxisInvokeJAXWSUtil {
    /**
     * 
     * @param namespace
     * @param method
     * @param wsdl
     * @param params
     * @return
     * @throws Exception 
     */
    public static String invoke(String namespace, String method, String wsdl, Object[] params) throws Exception{
        Object obj = null;

        Service service = new Service();

        Call call = (Call) service.createCall();
        call.setOperationName(new QName(namespace, method));
        call.setTargetEndpointAddress(wsdl);
        
        if (null != params) {
            int len = params.length;
            
            for (int i = 0; i < len; i++) {
                call.addParameter("arg" + i, XMLType.XSD_STRING, ParameterMode.IN);
            }
            
            if (len > 0) {
                call.setReturnType(XMLType.XSD_STRING);
            }
        } else {
            params = new Object[]{};
        }
        
        obj = call.invoke(params);

        return obj == null ? "" : obj.toString();
    }
    
}