/*
* Copyright 2002-2016 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.oxm.xstream;
import java.io.ByteArrayInputStream;
import java.io.StringReader;
import java.util.HashMap;
import java.util.Map;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamReader;
import javax.xml.transform.Source;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamSource;
import org.junit.Before;
import org.junit.Test;
import org.w3c.dom.Document;
import org.xml.sax.InputSource;
import org.springframework.util.xml.StaxUtils;
import static org.junit.Assert.*;
/**
* @author Arjen Poutsma
*/
public class XStreamUnmarshallerTests {
protected static final String INPUT_STRING = "<flight><flightNumber>42</flightNumber></flight>";
private XStreamMarshaller unmarshaller;
@Before
public void createUnmarshaller() throws Exception {
unmarshaller = new XStreamMarshaller();
Map<String, Class<?>> aliases = new HashMap<>();
aliases.put("flight", Flight.class);
unmarshaller.setAliases(aliases);
}
private void testFlight(Object o) {
assertTrue("Unmarshalled object is not Flights", o instanceof Flight);
Flight flight = (Flight) o;
assertNotNull("Flight is null", flight);
assertEquals("Number is invalid", 42L, flight.getFlightNumber());
}
@Test
public void unmarshalDomSource() throws Exception {
DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
Document document = builder.parse(new InputSource(new StringReader(INPUT_STRING)));
DOMSource source = new DOMSource(document);
Object flight = unmarshaller.unmarshal(source);
testFlight(flight);
}
@Test
public void unmarshalStaxSourceXmlStreamReader() throws Exception {
XMLInputFactory inputFactory = XMLInputFactory.newInstance();
XMLStreamReader streamReader = inputFactory.createXMLStreamReader(new StringReader(INPUT_STRING));
Source source = StaxUtils.createStaxSource(streamReader);
Object flights = unmarshaller.unmarshal(source);
testFlight(flights);
}
@Test
public void unmarshalStreamSourceInputStream() throws Exception {
StreamSource source = new StreamSource(new ByteArrayInputStream(INPUT_STRING.getBytes("UTF-8")));
Object flights = unmarshaller.unmarshal(source);
testFlight(flights);
}
@Test
public void unmarshalStreamSourceReader() throws Exception {
StreamSource source = new StreamSource(new StringReader(INPUT_STRING));
Object flights = unmarshaller.unmarshal(source);
testFlight(flights);
}
}