android xstream

http://blog.csdn.net/shimiso/article/details/7743639

 

 

http://www.oschina.net/code/snippet_116183_14202

import java.util.List;import com.thoughtworks.xstream.annotations.XStreamAlias;import com.thoughtworks.xstream.annotations.XStreamImplicit;/** *@ClassName:PersonBean *@author: chenyoulong  Email: [e-mail] *@date :2012-9-28 下午3:10:47 *@Description:TODO  */@XStreamAlias("person")public class PersonBean {@XStreamAlias("firstName")private String firstName;@XStreamAlias("lastName")private String lastName;@XStreamAlias("telphone")private PhoneNumber tel;@XStreamAlias("faxphone")private PhoneNumber fax;//测试一个标签下有多个同名标签@XStreamAlias("friends")private Friends friend;//测试一个标签下循环对象@XStreamAlias("pets")private Pets pet;//省略setter和getter}

@XStreamAlias("phoneNumber")public  class PhoneNumber{@XStreamAlias("code")private int code;@XStreamAlias("number")private String number;            //省略setter和getter}

/** * 用Xstream注解的方式实现：一个标签下有多个同名标签  *@ClassName:Friends *@author: chenyoulong  Email: [e-mail] *@date :2012-9-28 下午4:32:24 *@Description:TODO 5个name 中国，美国，俄罗斯，英国，法国 *http://blog.csdn.net/menhuanxiyou/article/details/5426765 */public static class Friends{@XStreamImplicit(itemFieldName="name")   //itemFieldName定义重复字段的名称，/*<friends><friends>    <name>A1</name><String>A1</String>    <name>A2</name>    如果没有，则会变成=====><String>A1</String>    <name>A3</name><String>A1</String>  </friends></friends>  */private List<String> name;public List<String> getName() {return name;}public void setName(List<String> name) {this.name = name;}}

//测试同一标签下循环某一对象public  class Animal{@XStreamAlias("name")private String name;@XStreamAlias("age")private int age;public Animal(String name,int age){this.name=name;this.age=age;}              //省略setter和getter}

/** * 测试同一标签下循环某一对象 *@ClassName:Pets *@author: chenyoulong  Email: [e-mail] *@date :2012-9-28 下午6:26:01 *@Description:TODO */public class Pets{@XStreamImplicit(itemFieldName="pet")private List<Animal> animalList;public List<Animal> getAnimalList() {return animalList;}public void setAnimalList(List<Animal> animalList) {this.animalList = animalList;}}

/** * 输出xml和解析xml的工具类 *@ClassName:XmlUtil *@author: chenyoulong  Email: [e-mail] *@date :2012-9-29 上午9:51:28 *@Description:TODO */public class XmlUtil{/** * java 转换成xml * @Title: toXml  * @Description: TODO  * @param obj 对象实例 * @return String xml字符串 */public static String toXml(Object obj){XStream xstream=new XStream();//XStream xstream=new XStream(new DomDriver()); //直接用jaxp dom来解释//XStream xstream=new XStream(new DomDriver("utf-8")); //指定编码解析器,直接用jaxp dom来解释////如果没有这句，xml中的根元素会是<包.类名>；或者说：注解根本就没生效，所以的元素名就是类的属性xstream.processAnnotations(obj.getClass()); //通过注解方式的，一定要有这句话return xstream.toXML(obj);}/** *  将传入xml文本转换成Java对象 * @Title: toBean  * @Description: TODO  * @param xmlStr * @param cls  xml对应的class类 * @return T   xml对应的class类的实例对象 *  * 调用的方法实例：PersonBean person=XmlUtil.toBean(xmlStr, PersonBean.class); */public static <T> T  toBean(String xmlStr,Class<T> cls){//注意：不是new Xstream(); 否则报错：java.lang.NoClassDefFoundError: org/xmlpull/v1/XmlPullParserFactoryXStream xstream=new XStream(new DomDriver());xstream.processAnnotations(cls);T obj=(T)xstream.fromXML(xmlStr);return obj;}        /**     * 写到xml文件中去     * @Title: writeXMLFile      * @Description: TODO      * @param obj 对象     * @param absPath 绝对路径     * @param fileName文件名     * @return boolean     */      public static boolean toXMLFile(Object obj, String absPath, String fileName ){    String strXml = toXml(obj);    String filePath = absPath + fileName;    File file = new File(filePath);    if(!file.exists()){    try {file.createNewFile();} catch (IOException e) {log.error("创建{"+ filePath +"}文件失败!!!" + Strings.getStackTrace(e));return false ;}    }// end if     OutputStream ous = null ;try {ous = new FileOutputStream(file);ous.write(strXml.getBytes());ous.flush();} catch (Exception e1) {log.error("写{"+ filePath +"}文件失败!!!" + Strings.getStackTrace(e1));return false;}finally{if(ous != null )try {ous.close();} catch (IOException e) {log.error("写{"+ filePath +"}文件关闭输出流异常!!!" + Strings.getStackTrace(e));}}return true ;    }        /**     * 从xml文件读取报文     * @Title: toBeanFromFile      * @Description: TODO      * @param absPath 绝对路径     * @param fileName 文件名     * @param cls     * @throws Exception      * @return T     */    public static <T> T  toBeanFromFile(String absPath, String fileName,Class<T> cls) throws Exception{    String filePath = absPath +fileName;    InputStream ins = null ;    try {    ins = new FileInputStream(new File(filePath ));} catch (Exception e) {throw new Exception("读{"+ filePath +"}文件失败！", e);}        String encode = useEncode(cls);XStream xstream=new XStream(new DomDriver(encode));xstream.processAnnotations(cls);T obj =null;try {obj = (T)xstream.fromXML(ins);} catch (Exception e) {// TODO Auto-generated catch blockthrow new Exception("解析{"+ filePath +"}文件失败！",e);}if(ins != null)ins.close();return obj;    } }

import com.thoughtworks.xstream.XStream;import com.thoughtworks.xstream.io.json.JsonWriter.Format;import com.thoughtworks.xstream.io.xml.DomDriver;/** *@ClassName:PersonTest *@author: chenyoulong   *@date :2012-9-28 下午3:25:09 *@Description:TODO  */public class PersonTest {/**  * @Title: main  * @Description: TODO  * @param args  * @return void   */public static void main(String[] args) {// TODO Auto-generated method stubPersonBean per=new PersonBean();per.setFirstName("chen");per.setLastName("youlong");PhoneNumber tel=new PhoneNumber();tel.setCode(137280);tel.setNumber("137280968");PhoneNumber fax=new PhoneNumber();fax.setCode(20);fax.setNumber("020221327");per.setTel(tel);per.setFax(fax);//测试一个标签下有多个同名标签List<String> friendList=new ArrayList<String>();friendList.add("A1");friendList.add("A2");friendList.add("A3");Friends friend1=new Friends();friend1.setName(friendList);per.setFriend(friend1);//测试一个标签下循环对象Animal dog=new Animal("Dolly",2);Animal cat=new Animal("Ketty",2);List<Animal> petList=new ArrayList<Animal>();petList.add(dog);petList.add(cat);Pets pet=new Pets();pet.setAnimalList(petList);per.setPet(pet);                    //java对象转换成xmlString xml=XmlUtil.toXml(per);System.out.println("xml==="+xml);}}

public static void main(String[] args) {// TODO Auto-generated method stub//toXml//String xmlStr=new PersonTest().toXml();//toBean//PersonBean per=new PersonTest().toBean();String xmlStr="<person>"+  "<firstName>chen</firstName>"+  "<lastName>youlong</lastName>"+  "<telphone>"+    "<code>137280</code>"+    "<number>137280968</number>"+  "</telphone>"+  "<faxphone>"+    "<code>20</code>"+    "<number>020221327</number>"+  "</faxphone>"+  "<friends>"+    "<name>A1</name>"+    "<name>A2</name>"+    "<name>A3</name>"+  "</friends>"+  "<pets>"+    "<pet>"+      "<name>doly</name>"+      "<age>2</age>"+    "</pet>"+    "<pet>"+      "<name>Ketty</name>"+      "<age>2</age>"+    "</pet>"+  "</pets>"+"</person>";//用泛型的知识PersonBean person=XmlUtil.toBean(xmlStr, PersonBean.class);System.out.println("person=firstname=="+person.getFirstName());System.out.println("person==Friends==name1=="+person.getFriend().getName().get(0));System.out.println("person==Pets==name2=="+person.getPet().getAnimalList().get(1).getName());/*//效果与以下方法类同,(以下代码较为直观)XStream xstream=new XStream(new DomDriver()); //注意：不是new Xstream(); 否则报错：xstream.processAnnotations(PersonBean.class);PersonBean person=(PersonBean)xstream.fromXML(xmlStr);System.out.println("person=firstname=="+person.getFirstName());System.out.println("person==Friends==name1=="+person.getFriend().getName().get(0));System.out.println("person==Pets==name=="+person.getPet().getAnimalList().get(1).getName());*/}