使用xstream实现对JavaBean与xml字符串的互转

最新推荐文章于 2018-07-09 15:40:47 发布

iteye_20824

最新推荐文章于 2018-07-09 15:40:47 发布

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分类专栏： xml util 文章标签： xstream xml

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本文介绍如何使用XStream库实现JavaBean与XML之间的相互转换。通过示例展示了Person类及PhoneNumber类的定义，并提供了转换测试代码。此外，还分享了XStream的基本用法及其官方网站。

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近来项目中需要实现javabean与xml文件的互转，一个同事发现了xstream不错。简洁易用，不错的开源组件，在这里推荐一下。并附上使用示例与jar包作为笔记。有需要的同学可以学学。

1.Person javabean类

public class Person {
	private String firstname;
	private String lastname;
	private PhoneNumber phone;
	private PhoneNumber fax;

	public Person() {
		super();
	}

	public Person(String firstname, String lastname) {
		super();
		this.firstname = firstname;
		this.lastname = lastname;
	}

	public String getFirstname() {
		return firstname;
	}

	public void setFirstname(String firstname) {
		this.firstname = firstname;
	}

	public String getLastname() {
		return lastname;
	}

	public void setLastname(String lastname) {
		this.lastname = lastname;
	}

	public PhoneNumber getPhone() {
		return phone;
	}

	public void setPhone(PhoneNumber phone) {
		this.phone = phone;
	}

	public PhoneNumber getFax() {
		return fax;
	}

	public void setFax(PhoneNumber fax) {
		this.fax = fax;
	}

	@Override
	public String toString() {
		return "Person [firstname=" + firstname + ", lastname=" + lastname
				+ ", phone=" + phone + ", fax=" + fax + "]";
	}

}

2.PhoneNumber javabean类

public class PhoneNumber {
	private int code;
	private String number;

	public PhoneNumber() {
		super();
	}

	public PhoneNumber(int code, String number) {
		super();
		this.code = code;
		this.number = number;
	}

	public int getCode() {
		return code;
	}

	public void setCode(int code) {
		this.code = code;
	}

	public String getNumber() {
		return number;
	}

	public void setNumber(String number) {
		this.number = number;
	}

	@Override
	public String toString() {
		return "PhoneNumber [ code =" + code + ", number=" + number + "]";
	}


3.转换测试类

import org.junit.Test;
import com.thoughtworks.xstream.XStream;

public class ConvertTest {

	/**
	 * 将Person转换成xml字符串
	 */
	@Test
	public void personToXML() {
		XStream xstream = new XStream();
		xstream.alias("person", Person.class);
		xstream.alias("phonenumber", PhoneNumber.class);
	
		Person joe = new Person("Joe", "Walnes");
		joe.setPhone(new PhoneNumber(123, "1234-456"));
		joe.setFax(new PhoneNumber(123, "9999-999"));

		String xml = xstream.toXML(joe);
		System.out.println(xml);
	}
        //输出结果
	/*
	 * <person>
  <firstname>Joe</firstname>
  <lastname>Walnes</lastname>
  <phone>
    <code>123</code>
    <number>1234-456</number>
  </phone>
  <fax>
    <code>123</code>
    <number>9999-999</number>
  </fax>
</person>
	 */

	/**
	 * 将xml字符串转换成Person
	 */
	@Test
	public void xmlToPerson() {
		String site = "CAN";
		XStream xstream = new XStream();
		xstream.alias("person", Person.class);
		xstream.alias("phonenumber", PhoneNumber.class);

		String xml = "<person><firstname>Joe</firstname><lastname>Walnes</lastname><phone><code>123</code><number>1234-456</number></phone><fax><code>123</code><number>9999-999</number></fax></person>";
		xstream.omitField(Person.class, site);
		Person newJoe = (Person) xstream.fromXML(xml);
		System.out.println(newJoe.toString());
	}
        //输出结果
	//Person [firstname=Joe, lastname=Walnes, phone=PhoneNumber [ code = 123, number=1234-456],
        // fax=PhoneNumber [ code =123, number=9999-999]]

}

官网：http://xstream.codehaus.org/tutorial.html


参考网址：http://www.cnblogs.com/hoojo/archive/2011/04/22/2025197.html