package org.codehaus.jackson.jaxb;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import javax.xml.parsers.DocumentBuilderFactory;
import java.io.ByteArrayInputStream;
import java.io.StringWriter;
import org.codehaus.jackson.Version;
import org.codehaus.jackson.map.BeanDescription;
import org.codehaus.jackson.map.BeanProperty;
import org.codehaus.jackson.map.JsonSerializer;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.SerializationConfig;
import org.codehaus.jackson.map.Serializers;
import org.codehaus.jackson.map.module.SimpleModule;
import org.codehaus.jackson.type.JavaType;
import org.codehaus.jackson.xc.DomElementJsonDeserializer;
import org.codehaus.jackson.xc.DomElementJsonSerializer;
/**
* @author Ryan Heaton
*/
public class TestDomElementSerialization extends BaseJaxbTest
{
/*
/**********************************************************
/* Helper classes
/**********************************************************
*/
private final static class DomModule extends SimpleModule
{
public DomModule()
{
super("DomModule", Version.unknownVersion());
addDeserializer(Element.class, new DomElementJsonDeserializer());
/* 19-Feb-2011, tatu: Note: since SimpleModule does not support "generic"
* serializers, need to add bit more code here.
*/
//testModule.addSerializer(new DomElementJsonSerializer());
}
@Override
public void setupModule(SetupContext context)
{
super.setupModule(context);
context.addSerializers(new DomSerializers());
}
}
private final static class DomSerializers extends Serializers.Base
{
@Override
public JsonSerializer<?> findSerializer(SerializationConfig config,
JavaType type, BeanDescription beanDesc, BeanProperty property)
{
if (Element.class.isAssignableFrom(type.getRawClass())) {
return new DomElementJsonSerializer();
}
return null;
}
}
/*
/**********************************************************
/* Test methods
/**********************************************************
*/
public void testBasicDomElementSerializationDeserialization() throws Exception
{
ObjectMapper mapper = new ObjectMapper();
mapper.registerModule(new DomModule());
StringBuilder builder = new StringBuilder()
.append("<document xmlns=\"urn:hello\" att1=\"value1\" att2=\"value2\">")
.append("<childel>howdy</childel>")
.append("</document>");
DocumentBuilderFactory bf = DocumentBuilderFactory.newInstance();
bf.setNamespaceAware(true);
Document document = bf.newDocumentBuilder().parse(new ByteArrayInputStream(builder.toString().getBytes("utf-8")));
StringWriter jsonElement = new StringWriter();
mapper.writeValue(jsonElement, document.getDocumentElement());
Element el = mapper.readValue(jsonElement.toString(), Element.class);
assertEquals(3, el.getAttributes().getLength());
assertEquals("value1", el.getAttributeNS(null, "att1"));
assertEquals("value2", el.getAttributeNS(null, "att2"));
assertEquals(1, el.getChildNodes().getLength());
assertEquals("childel", el.getChildNodes().item(0).getLocalName());
assertEquals("urn:hello", el.getChildNodes().item(0).getNamespaceURI());
assertEquals("howdy", el.getChildNodes().item(0).getTextContent());
}
}