使用 XStream 来转换 xml,xml转为 Pojo(实体类),xml转为map

    <dependency> <!-- xml与java pojo 映射类库 -->
        <groupId>com.thoughtworks.xstream</groupId>
        <artifactId>xstream</artifactId>
        <version>1.4.10</version>
    </dependency>

实现类:

import com.thoughtworks.xstream.XStream;

/**
 * 使用 XStream 来转换 xml <---> Java Pojo
 *
 * @since: v1.0
 */
public class XStreamFactory {

    /**
     * 将 xml 转成 T 类型对象
     *
     * @param xml
     * @param clazz  要转换的类型,如果为 null 则返回 null
     * @return
     */
    public final static <T> T fromXML(String xml, Class<T> clazz){
        if(clazz != null && !xml.equals("")){
            XStream xs = new XStream();
            XStream.setupDefaultSecurity(xs);
            xs.ignoreUnknownElements();
            xs.registerConverter(new MapEntryConverter());
            xs.processAnnotations(clazz);
            xs.allowTypes(new Class[]{clazz});
            
            return (T)xs.fromXML(xml);
        }
        
        return null;
    }
        
    /**
     * 将 xml 转成 T 类型对象。(xml的根节点名称与类名称不相同时使用本方法)
     *
     * @param alias   xml 根节点名称(根节点名与类名不一致时)
     * @param xml
     * @param clazz
     * @return
     */
    public final static <T> T fromXML(String alias, String xml, Class<T> clazz){
        if(clazz != null && !xml.equals("")){
            XStream xs = new XStream();
            XStream.setupDefaultSecurity(xs);
            xs.allowTypes(new Class[]{clazz});
            xs.ignoreUnknownElements();
            xs.alias(alias, clazz);
            xs.registerConverter(new MapEntryConverter());
            xs.autodetectAnnotations(true);
            
            return (T)xs.fromXML(xml);
        }
        
        return null;
    }
    
}

例程:

PhoneDeviceInformation info = XStreamFactory.fromXML(xml, PhoneDeviceInformation.class);//xml转pojo

Map<String, Object> datas = XStreamFactory.fromXML("NetworkConfiguration", xml, Map.class);//xml转map
PhoneDeviceInformation xml:
<DeviceInformation>
<serviceMode>On-premise</serviceMode>
<serviceDomain/>
<serviceState>Idle</serviceState>
<MACAddress>CC5A535E0DF0</MACAddress>
<HostName>SEPCC5A535E0DF0</HostName>
</DeviceInformation>
NetworkConfiguration xml:
<NetworkConfiguration>
<MACAddress>CC5A535E0DF0</MACAddress>
<HostName>SEPCC5A535E0DF0</HostName>
<ServiceMode>On-premise</ServiceMode>
</NetworkConfiguration>
PhoneDeviceInformation.java
import com.thoughtworks.xstream.annotations.XStreamAlias;

/**
 * 
 * <p> 请求返回一个 xml 描述文件,这个 xml 描述文件映射成 pojo 就是本类
 *
 * @since: v1.0
 */
@XStreamAlias("DeviceInformation")
public class PhoneDeviceInformation {

    private String serviceMode;

    private String serviceDomain;

    private String serviceState;

    @XStreamAlias("MACAddress")
    private String macAddress;

    @XStreamAlias("HostName")
    private String hostName;
/**
     * @return the serviceMode
     */
    public String getServiceMode() {
        return serviceMode;
    }

    /**
     * @param serviceMode the serviceMode to set
     */
    public void setServiceMode(String serviceMode) {
        this.serviceMode = serviceMode;
    }

    /**
     * @return the serviceDomain
     */
    public String getServiceDomain() {
        return serviceDomain;
    }

    /**
     * @param serviceDomain the serviceDomain to set
     */
    public void setServiceDomain(String serviceDomain) {
        this.serviceDomain = serviceDomain;
    }

    /**
     * @return the serviceState
     */
    public String getServiceState() {
        return serviceState;
    }

    /**
     * @param serviceState the serviceState to set
     */
    public void setServiceState(String serviceState) {
        this.serviceState = serviceState;
    }

    /**
     * @return the macAddress
     */
    public String getMacAddress() {
        return macAddress;
    }

    /**
     * @param macAddress the macAddress to set
     */
    public void setMacAddress(String macAddress) {
        this.macAddress = macAddress;
    }

    /**
     * @return the hostName
     */
    public String getHostName() {
        return hostName;
    }

    /**
     * @param hostName the hostName to set
     */
    public void setHostName(String hostName) {
        this.hostName = hostName;
    }
}

 



 

posted @ 2020-09-03 11:11  RealWorld♂  阅读(1116)  评论(0编辑  收藏  举报