I have no idea why it is named JacksonXmlProperty instead of JsonProperty, but it is for extended XML annotations.
Ralph On Apr 1, 2014, at 2:37 PM, Gary Gregory <[email protected]> wrote: > JacksonXmlProperty? Why not JsonProperty? Couldn't you then use JSON or XML? > Still learning Jackson... > > Gary > > > On Tue, Apr 1, 2014 at 4:49 PM, Ralph Goers <[email protected]> > wrote: > I just did this the other day for both XML and JSON. > > For XML I did: > > public static TransactionRequest deserialize(String xmlFile) { > try { > XmlMapper mapper = new XmlMapper(); > InputStream stream = new FileInputStream(xmlFile); > return mapper.readValue(stream, TransactionRequest.class); > } catch (Exception ex) { > ex.printStackTrace(); > } > return null; > } > public static TransactionRequest deserialize(String xmlFile) { > try { > XmlMapper mapper = new XmlMapper(); > InputStream stream = new FileInputStream(xmlFile); > return mapper.readValue(stream, TransactionRequest.class); > } catch (Exception ex) { > ex.printStackTrace(); > } > return null; > } > > Where needed I used things like: > > @JacksonXmlProperty(localName = "return") > private PostSale creditCardReturn; > > and > > @JacksonXmlProperty(isAttribute = true) > > For JSON I did > > public static JSONRequest deserialize(String json) > { > try > { > ObjectMapper mapper = new ObjectMapper(); > return mapper.readValue(json, JSONRequest.class); > } > catch (Exception ex) > { > ex.printStackTrace(); > } > return null; > } > > and > > public String serialize() > { > try > { > final ObjectMapper mapper = new ObjectMapper(); > return mapper.writeValueAsString(this); > } > catch (Exception ex) > { > ex.printStackTrace(); > } > return null; > } > > HTH, > > Ralph > > > On Apr 1, 2014, at 1:05 PM, Gary Gregory <[email protected]> wrote: > >> Well... so much for Jackson making my life easy. Jackson says it "supports" >> JAXB annotations but that must be only for the simplest cases. Jackson does >> not work with the JAXB annotations I used on Log4jLogEvents. This suppose >> this is not surprising. Back to the drawing board... >> >> Gary >> >> >> On Tue, Apr 1, 2014 at 12:05 PM, Gary Gregory <[email protected]> wrote: >> All good ideas, thank you. The JSON API I know best is GSON, which let's you >> listen to objects opening and closing. Maybe Jackson has something like >> that... I'll have to dig in. >> >> Gary >> >> >> On Tue, Apr 1, 2014 at 11:14 AM, Ralph Goers <[email protected]> >> wrote: >> So you are hacking the stream before passing it to the unmarshalling >> framework? Then you will have to keep track of the ‘{‘ and ‘}’ characters >> yourself, either with the stack Matt suggests or as a counter. >> >> Ralph >> >> On Apr 1, 2014, at 8:07 AM, Matt Sicker <[email protected]> wrote: >> >>> Keep a stack of {'s and pop them when you get a }. Like a deterministic >>> pushdown automaton. >>> >>> >>> On 1 April 2014 07:45, Gary Gregory <[email protected]> wrote: >>> I have a local patch for LOG4J2-583 to have the Log4j TCP and UDP socket >>> servers unmarhsal XML log events. >>> >>> This is "easy" for XML because when you have a stream of bytes and you know >>> its encoding, you can look for the end of an event by looking for its >>> closing tag: </Event>. Right now, my XML processing code, looks for the end >>> tag and feeds JAXB a substring from the buffer. Easy. Done. >>> >>> Not so much with JSON. You cannot use the same hack, there is no end tag. >>> All you have is an "end of object" closing bracket "}" which looks the same >>> as the closing marker for all other objects. >>> >>> So it looks like I would need to hook in a little deeper into a JSON >>> unmarshalling framework to extract each JSON log events as I see them. >>> >>> Any thoughts here? >>> >>> Gary >>> >>> -- >>> E-Mail: [email protected] | [email protected] >>> Java Persistence with Hibernate, Second Edition >>> JUnit in Action, Second Edition >>> Spring Batch in Action >>> Blog: http://garygregory.wordpress.com >>> Home: http://garygregory.com/ >>> Tweet! http://twitter.com/GaryGregory >>> >>> >>> >>> -- >>> Matt Sicker <[email protected]> >> >> >> >> >> -- >> E-Mail: [email protected] | [email protected] >> Java Persistence with Hibernate, Second Edition >> JUnit in Action, Second Edition >> Spring Batch in Action >> Blog: http://garygregory.wordpress.com >> Home: http://garygregory.com/ >> Tweet! http://twitter.com/GaryGregory >> >> >> >> -- >> E-Mail: [email protected] | [email protected] >> Java Persistence with Hibernate, Second Edition >> JUnit in Action, Second Edition >> Spring Batch in Action >> Blog: http://garygregory.wordpress.com >> Home: http://garygregory.com/ >> Tweet! http://twitter.com/GaryGregory > > > > > -- > E-Mail: [email protected] | [email protected] > Java Persistence with Hibernate, Second Edition > JUnit in Action, Second Edition > Spring Batch in Action > Blog: http://garygregory.wordpress.com > Home: http://garygregory.com/ > Tweet! http://twitter.com/GaryGregory
