/**
* Converts a model to JSON.
*
* @return model JSON, or empty
*/
public String toJSON() {
try {
return buildObjectMapper().writeValueAsString(this.entity);
} catch (Exception e) {
Log.error(e.getMessage(), e);
return Empty;
}
}
/**
* Returns a new model instance.
*
* @param modelJSON a model in JSON format
* @return a new model, or null
*/
public ModelType fromJSON(String modelJSON) {
if (StringUtils.defaultString(modelJSON).isEmpty()) {
return null;
}
try {
return buildObjectMapper().readValue(modelJSON, this.entityClass);
} catch (Exception e) {
Log.error(e.getMessage(), e);
return null;
}
}
/**
* Converts a model to XML.
*
* @return model XML, or empty
*/
public String toXML() {
try {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
Marshaller m = buildJAXBContext().createMarshaller();
m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
m.setProperty(Marshaller.JAXB_FRAGMENT, Boolean.TRUE);
m.marshal(this.entity, stream);
return stream.toString(XML_ENCODING).trim();
} catch (Exception e) {
Log.error(e.getMessage(), e);
return Empty;
}
}
/**
* Returns a new model instance.
*
* @param modelXML a model in XML format
* @return a new model, or null
*/
public ModelType fromXML(String modelXML) {
if (StringUtils.defaultString(modelXML).isEmpty()) {
return null;
}
try {
byte[] xmlData = modelXML.getBytes(XML_ENCODING);
ByteArrayInputStream stream = new ByteArrayInputStream(xmlData);
return (ModelType) buildJAXBContext().createUnmarshaller().unmarshal(stream);
} catch (Exception e) {
Log.error(e.getMessage(), e);
return null;
}
}