xml和java Bean的直接转换，Xmap

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package test;

import java.util.ArrayList;

import java.util.List;

import org.nuxeo.common.xmap.annotation.XNode;

import org.nuxeo.common.xmap.annotation.XNodeList;

import org.nuxeo.common.xmap.annotation.XObject;

/**

* Book 实体对象，此处用XMap注解

* @author Administrator

*

*/

@XObject

public class Book {

@XNode("title")

private String title;

@XNode("@no")

private String no;

@XNodeList(value = "subject", type = ArrayList.class, componentType = String.class)

private List<String> subjects;

@XNode("price")

private int price;

public String getTitle() {

return title;

}

public void setTitle(String title) {

this.title = title;

}

public List<String> getSubjects() {

return subjects;

}

public void setSubjects(List<String> subjects) {

this.subjects = subjects;

}

public int getPrice() {

return price;

}

public void setPrice(int price) {

this.price = price;

}

public String getNo() {

return no;

}

public void setNo(String no) {

this.no = no;

}

}

/**==================================================**/

package test;

import java.util.ArrayList;

import java.util.List;

import org.nuxeo.common.xmap.annotation.XNodeList;

import org.nuxeo.common.xmap.annotation.XObject;

/**

* 图书对象集合类

* @author zhouyu

*

*/

@XObject(value = "books")

public class Books {

@XNodeList(value = "book", type = ArrayList.class, componentType = Book.class)

private List<Book> book;

public List<Book> getBook() {

return book;

}

public void setBook(List<Book> book) {

this.book = book;

}

public void addBook(Book b){

if(book==null){

book=new ArrayList<Book>();

}

book.add(b);

}

}

/**==================================================**/

package test;

import java.util.ArrayList;

import java.util.List;

import org.nuxeo.common.xmap.XMap;

import com.io.IoUtils;

/**

* 从对象到xml转换

* @author zhouyu

*

*/

public class ObjectToXmlDemo {

public static void main(String[] args) {

try {

//声明一组书的根节点

Books books=new Books();

//声明一本书

Book book=new Book();

//书的类型

List<String> sj = new ArrayList<String>();

sj.add("java");

sj.add("xml");

//设置书节点的属性

book.setPrice(10);

book.setTitle("java是傻逼");

book.setSubjects(sj);

book.setNo("1");

//将书节点添加到跟节点

books.addBook(book);

//声明一本书

Book book2=new Book();

//书的类型

List<String> sj2=new ArrayList<String>();

sj2.add("C++");

sj2.add("c");

//设置书节点的属性

book2.setPrice(10);

book2.setTitle("c++程序设计");

book2.setSubjects(sj2);

book2.setNo("2");

//将书节点添加到跟节点

books.addBook(book2);

XMap xmp = new XMap();

xmp.register(Books.class);

List<String> filters = new ArrayList<String>();

String content = xmp.asXmlString(books, "UTF-8", filters, true);

IoUtils.WriteFile(content, "UTF-8", "books.xml");

} catch (Exception e) {

e.printStackTrace();

}

}

}

/**==================================================**/

package test;

import java.io.File;

import java.io.FileInputStream;

import java.io.InputStream;

import java.net.URL;

import org.nuxeo.common.xmap.XMap;

public class XmlToObjectDemo {

public static void main(String[] args) {

try {

XMap xmp = new XMap();

xmp.register(Books.class);

//URL url = new File("books.xml").toURL();

InputStream in = new FileInputStream(new File("books.xml"));

Object[] result = (Object[]) xmp.loadAll(in);

Books books = (Books) result[0];

for(int i = 0 ; i < books.getBook().size() ; i++)

{

Book book = books.getBook().get(i);

System.out.println(book.getNo());

System.out.println(book.getPrice());

System.out.println(book.getTitle());

System.out.println(book.getSubjects().get(i));

}

} catch (Exception e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}

/**==================================================**/

<?xml version="1.0" encoding="UTF-8" standalone="no"?>

<books>

<book no="1">

<title>java是傻逼</title>

<subject>java</subject>

<subject>xml</subject>

<price>10</price>

</book>

<book no="2">

<title>c++程序设计</title>

<subject>C++</subject>

<subject>c</subject>

<price>10</price>

</book>

</books>

本文转自：http://blog.csdn.net/xiaoyu411502/article/details/5566398