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16 package org.springframework.oxm;
17
18 import java.io.ByteArrayInputStream;
19 import java.io.StringReader;
20 import javax.xml.namespace.QName;
21 import javax.xml.parsers.DocumentBuilder;
22 import javax.xml.parsers.DocumentBuilderFactory;
23 import javax.xml.stream.XMLEventReader;
24 import javax.xml.stream.XMLInputFactory;
25 import javax.xml.stream.XMLStreamReader;
26 import javax.xml.transform.dom.DOMSource;
27 import javax.xml.transform.sax.SAXSource;
28 import javax.xml.transform.stax.StAXSource;
29 import javax.xml.transform.stream.StreamSource;
30
31 import junit.framework.TestCase;
32 import org.w3c.dom.Document;
33 import org.w3c.dom.Element;
34 import org.w3c.dom.Text;
35 import org.xml.sax.InputSource;
36 import org.xml.sax.XMLReader;
37 import org.xml.sax.helpers.XMLReaderFactory;
38
39 import org.springframework.xml.transform.StaxSource;
40
41 public abstract class AbstractUnmarshallerTestCase extends TestCase {
42
43 protected Unmarshaller unmarshaller;
44
45 protected static final String INPUT_STRING =
46 "<tns:flights xmlns:tns=\"http://samples.springframework.org/flight\">" +
47 "<tns:flight><tns:number>42</tns:number></tns:flight></tns:flights>";
48
49 protected final void setUp() throws Exception {
50 unmarshaller = createUnmarshaller();
51 }
52
53 protected abstract Unmarshaller createUnmarshaller() throws Exception;
54
55 protected abstract void testFlights(Object o);
56
57 protected abstract void testFlight(Object o);
58
59 public void testUnmarshalDomSource() throws Exception {
60 DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
61 Document document = builder.newDocument();
62 Element flightsElement = document.createElementNS("http://samples.springframework.org/flight", "tns:flights");
63 document.appendChild(flightsElement);
64 Element flightElement = document.createElementNS("http://samples.springframework.org/flight", "tns:flight");
65 flightsElement.appendChild(flightElement);
66 Element numberElement = document.createElementNS("http://samples.springframework.org/flight", "tns:number");
67 flightElement.appendChild(numberElement);
68 Text text = document.createTextNode("42");
69 numberElement.appendChild(text);
70 DOMSource source = new DOMSource(document);
71 Object flights = unmarshaller.unmarshal(source);
72 testFlights(flights);
73 }
74
75 public void testUnmarshalStreamSourceReader() throws Exception {
76 StreamSource source = new StreamSource(new StringReader(INPUT_STRING));
77 Object flights = unmarshaller.unmarshal(source);
78 testFlights(flights);
79 }
80
81 public void testUnmarshalStreamSourceInputStream() throws Exception {
82 StreamSource source = new StreamSource(new ByteArrayInputStream(INPUT_STRING.getBytes("UTF-8")));
83 Object flights = unmarshaller.unmarshal(source);
84 testFlights(flights);
85 }
86
87 public void testUnmarshalSAXSource() throws Exception {
88 XMLReader reader = XMLReaderFactory.createXMLReader();
89 SAXSource source = new SAXSource(reader, new InputSource(new StringReader(INPUT_STRING)));
90 Object flights = unmarshaller.unmarshal(source);
91 testFlights(flights);
92 }
93
94 public void testUnmarshalStaxSourceXmlStreamReader() throws Exception {
95 XMLInputFactory inputFactory = XMLInputFactory.newInstance();
96 XMLStreamReader streamReader = inputFactory.createXMLStreamReader(new StringReader(INPUT_STRING));
97 StaxSource source = new StaxSource(streamReader);
98 Object flights = unmarshaller.unmarshal(source);
99 testFlights(flights);
100 }
101
102 public void testUnmarshalStaxSourceXmlEventReader() throws Exception {
103 XMLInputFactory inputFactory = XMLInputFactory.newInstance();
104 XMLEventReader eventReader = inputFactory.createXMLEventReader(new StringReader(INPUT_STRING));
105 StaxSource source = new StaxSource(eventReader);
106 Object flights = unmarshaller.unmarshal(source);
107 testFlights(flights);
108 }
109
110 public void testUnmarshalJaxp14StaxSourceXmlStreamReader() throws Exception {
111 XMLInputFactory inputFactory = XMLInputFactory.newInstance();
112 XMLStreamReader streamReader = inputFactory.createXMLStreamReader(new StringReader(INPUT_STRING));
113 StAXSource source = new StAXSource(streamReader);
114 Object flights = unmarshaller.unmarshal(source);
115 testFlights(flights);
116 }
117
118 public void testUnmarshalJaxp14StaxSourceXmlEventReader() throws Exception {
119 XMLInputFactory inputFactory = XMLInputFactory.newInstance();
120 XMLEventReader eventReader = inputFactory.createXMLEventReader(new StringReader(INPUT_STRING));
121 StAXSource source = new StAXSource(eventReader);
122 Object flights = unmarshaller.unmarshal(source);
123 testFlights(flights);
124 }
125
126 public void testUnmarshalPartialStaxSourceXmlStreamReader() throws Exception {
127 XMLInputFactory inputFactory = XMLInputFactory.newInstance();
128 XMLStreamReader streamReader = inputFactory.createXMLStreamReader(new StringReader(INPUT_STRING));
129 streamReader.nextTag();
130 assertEquals("Invalid element", new QName("http://samples.springframework.org/flight", "flights"),
131 streamReader.getName());
132 streamReader.nextTag();
133 assertEquals("Invalid element", new QName("http://samples.springframework.org/flight", "flight"),
134 streamReader.getName());
135 StaxSource source = new StaxSource(streamReader);
136 Object flight = unmarshaller.unmarshal(source);
137 testFlight(flight);
138 }
139 }