android xstream 解析xml

最新推荐文章于 2022-07-04 14:51:56 发布

原创最新推荐文章于 2022-07-04 14:51:56 发布 · 559 阅读

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本文介绍如何使用XStream库将Java对象序列化为XML文件，并从XML文件中反序列化回Java对象。文章详细展示了配置XStream的过程，包括定义别名和属性映射，以及具体的代码实现。

第三方包：xstream-1.3.1.jar

1.序列号对象为xml

<span style="font-family:Arial;background-color: rgb(255, 255, 255);"> </span><pre class="html" name="code">XStream xStream = new XStream();
			xStream.alias("person", Person.class);
			xStream.alias("personnumber", PhoneNumber.class);

			// Serializing an object to XML
			Person joe = new Person("Joe", "Walnes");
			joe.setPhone(new PhoneNumber(123, "1234-456"));
			joe.setFax(new PhoneNumber(123, "9999-999"));
			FileOutputStream fileOutputStream;
			String path = "/mnt/sdcard/test.xml";

			File f = new File(path);
			if (!f.exists())
				f.createNewFile();
			fileOutputStream = new FileOutputStream(f);

			xStream.toXML(joe, fileOutputStream);

			// Deserializing an object back from XM
			// XStream xStream2 = new XStream();
			fileOutputStream.close();

2.反序列号xml为对象。注意用domdriver,并且alias、userAttributeFor,必须定义。不然报错。

XStream xStream2 = new XStream(new DomDriver());
			xStream2.alias("person", Person.class);
			xStream2.alias("personnumber", PhoneNumber.class);
			xStream2.useAttributeFor(Person.class, "firstname");
			xStream2.useAttributeFor(Person.class, "lastname");
			xStream2.useAttributeFor(PhoneNumber.class, "code");
			xStream2.useAttributeFor(PhoneNumber.class, "number");
			FileInputStream fileInputStream = new FileInputStream(f);
			Person person = (Person) xStream2.fromXML(fileInputStream);
			String str = person.toString();

			EditText t = (EditText) findViewById(R.id.editText1);

			t.setText(str);
			fileInputStream.close();