public static XMLStreamReader createReader(
Reader reader, JSONConfiguration config, String rootName, boolean readingList)
throws XMLStreamException {
Reader nonEmptyReader = ensureNonEmptyReader(reader);
switch (config.getNotation()) {
case NATURAL:
try {
final JsonParser rawParser = new JsonFactory().createJsonParser(nonEmptyReader);
final JsonParser nonListParser =
config.isRootUnwrapping()
? JacksonRootAddingParser.createRootAddingParser(rawParser, rootName)
: rawParser;
if (!readingList) {
return new Jackson2StaxReader(nonListParser, config);
} else {
return new Jackson2StaxReader(
JacksonRootAddingParser.createRootAddingParser(
nonListParser, "jsonArrayRootElement"),
config);
}
} catch (Exception ex) {
throw new XMLStreamException(ex);
}
case MAPPED:
try {
return new JsonXmlStreamReader(nonEmptyReader, rootName, config);
} catch (IOException ex) {
throw new XMLStreamException(ex);
}
case MAPPED_JETTISON:
try {
Configuration jmConfig;
if (null == config.getXml2JsonNs()) {
jmConfig = new Configuration();
} else {
jmConfig = new Configuration(config.getXml2JsonNs());
}
return new MappedXMLStreamReader(
new JSONObject(new JSONTokener(ReaderWriter.readFromAsString(nonEmptyReader))),
new MappedNamespaceConvention(jmConfig));
} catch (Exception ex) {
throw new XMLStreamException(ex);
}
case BADGERFISH:
try {
return new BadgerFishXMLStreamReader(
new JSONObject(new JSONTokener(ReaderWriter.readFromAsString(nonEmptyReader))));
} catch (Exception ex) {
throw new XMLStreamException(ex);
}
}
// This should not occur
throw new IllegalArgumentException("Unknown JSON config");
}
public static XMLStreamWriter createWriter(
Writer writer, JSONConfiguration config, boolean writingList) throws IOException {
switch (config.getNotation()) {
case NATURAL:
final JsonGenerator rawGenerator = new JsonFactory().createJsonGenerator(writer);
if (config.isHumanReadableFormatting()) {
rawGenerator.useDefaultPrettyPrinter();
}
final JsonGenerator bodyGenerator =
writingList
? JacksonArrayWrapperGenerator.createArrayWrapperGenerator(
rawGenerator, config.isRootUnwrapping() ? 0 : 1)
: rawGenerator;
if (config.isRootUnwrapping()) {
return new Stax2JacksonWriter(
JacksonRootStrippingGenerator.createRootStrippingGenerator(
bodyGenerator, writingList ? 2 : 1),
config);
} else {
return new Stax2JacksonWriter(bodyGenerator, config);
}
case MAPPED:
return JsonXmlStreamWriter.createWriter(writer, config);
case BADGERFISH:
return new BadgerFishXMLStreamWriter(writer);
case MAPPED_JETTISON:
Configuration jmConfig;
if (null == config.getXml2JsonNs()) {
jmConfig = new Configuration();
} else {
jmConfig = new Configuration(config.getXml2JsonNs());
}
return new MappedXMLStreamWriter(new MappedNamespaceConvention(jmConfig), writer);
default:
return null;
}
}