XML - Object 변환 라이브러리 XStream

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XStream 간단 예제

Magazine 클래스는 다음을 필드로 가지는 간단한 모델

{int id, String title, String url}

public class XStreamTest {

XStream xstream;

@Before

public void setUp() throws Exception {

xstream = new XStream();

xstream.alias("magazine", Magazine.class);

}

@Test

public void xml을_객체로_변환() throws Exception {

File sut = new File("web/data.xml");

Magazine model = (Magazine)xstream.fromXML(sut);

assertEquals("3,title,url", model.toString());

}

@Test

public void 객체를_xml로_변환() throws Exception {

Magazine sut = new Magazine();

sut.setId(1);

sut.setTitle("title");

sut.setUrl("url");

String xml = xstream.toXML(sut);

Magazine model = (Magazine)xstream.fromXML(xml);

assertEquals("1,title,url", model.toString());

}

@SuppressWarnings("unchecked")

@Test

public void 여러객체를_xml로_변환() throws Exception {

xstream.alias("magazines", List.class);

List<Magazine> sut = new ArrayList<Magazine>();

for (int i = 0; i < 3; i++) {

Magazine m = new Magazine();

m.setId(i);

m.setTitle("title");

m.setUrl("url");

sut.add(m);

}

String xml = xstream.toXML(sut);

List<Magazine> list = (List<Magazine>)xstream.fromXML(xml);

for (int i = 0; i < sut.size(); i++) {

assertEquals(i + ",title,url", list.get(i).toString());

}

}

@SuppressWarnings("unchecked")

@Test

public void 여러개의_속성을_가진_xml을_객체로_변환() throws Exception {

xstream.alias("magazines", List.class);

File xml = new File("web/data2.xml");

List<Magazine> sut = (List<Magazine>)xstream.fromXML(xml);

for (int i = 0; i < sut.size(); i++) {

assertEquals((i + 1) + ",title,url", sut.get(i).toString());

}

}

}

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