{"id":108,"date":"2007-12-06T09:03:00","date_gmt":"2007-12-06T09:03:00","guid":{"rendered":"http:\/\/www.tutego.de\/blog\/javainsel\/?p=108"},"modified":"2007-12-06T09:03:00","modified_gmt":"2007-12-06T09:03:00","slug":"jaxb2-annotationen-an-beispielen","status":"publish","type":"post","link":"https:\/\/www.tutego.de\/blog\/javainsel\/2007\/12\/jaxb2-annotationen-an-beispielen\/","title":{"rendered":"JAXB2-Annotationen an Beispielen"},"content":{"rendered":"

Schreiben der Felder statt Nutzen der Setter\/Getter: Annotiere die Klasse mit<\/p>\n

@XmlAccessorType<\/span>( XmlAccessType.<\/span>FIELD<\/span><\/i> )<\/span><\/p>\n

<\/span> <\/p>\n

@XmlAttribute<\/span><\/p>\n

 <\/p>\n\n\n\n
\n

class<\/span><\/b> Person<\/span><\/p>\n

{<\/span><\/p>\n

  String <\/span>name<\/span>;<\/span><\/p>\n

 <\/span><\/p>\n

  <\/span>@XmlAttribute<\/span><\/p>\n

  <\/span>int<\/span><\/b> <\/span>id<\/span>;<\/span><\/p>\n

}<\/span><\/p>\n<\/td>\n

\n

<person id=“123″><\/span><\/p>\n

    <name>Christian<\/name><\/span><\/p>\n

<\/person><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

@XmlValue<\/p>\n

Gibt es nur ein Element kann @XmlValue<\/span> dies in den Rumpf setzten.<\/p>\n

 <\/p>\n\n\n\n\n
\n

class<\/span><\/b> Person<\/span><\/p>\n

{<\/span><\/p>\n

  <\/span>int<\/span><\/b> <\/span>id<\/span>;<\/span><\/p>\n

}<\/span><\/p>\n<\/td>\n

\n

<person><\/span><\/p>\n

    <id>123<\/id><\/span><\/p>\n

<\/person><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

class<\/span><\/b> Person<\/span><\/p>\n

{<\/span><\/p>\n

  <\/span>@XmlValue<\/span> <\/span>int<\/span><\/b> <\/span>id<\/span>;<\/span><\/p>\n

}<\/span><\/p>\n<\/td>\n

\n

<person>123<\/person><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

@Transient<\/p>\n

Nimmt Element aus der XML-Abbildung aus.<\/p>\n

 <\/p>\n\n\n\n
\n

class<\/span><\/b> Person<\/span><\/p>\n

{<\/span><\/p>\n

  <\/span>@XmlTransient<\/span> <\/span>int<\/span><\/b> <\/span>id<\/span>;<\/span><\/p>\n

  <\/span><\/p>\n

  <\/span>String <\/span>firstname<\/span>;<\/span><\/p>\n

  String <\/span>lastname<\/span>;<\/span><\/p>\n

}<\/span><\/p>\n<\/td>\n

\n

<person><\/span><\/p>\n

    <firstname>Christian<\/firstname><\/span><\/p>\n

    <lastname>Ullenboom<\/lastname><\/span><\/p>\n

<\/person><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

@XmlList<\/span><\/p>\n

Schreibt Elemente einer Sammlung nicht in einzelnen Elementen, sondern mit Leerzeichen getrennt.<\/p>\n

 <\/p>\n\n\n\n\n
\n

class<\/span><\/b> Person<\/span><\/p>\n

{<\/span><\/p>\n

  List<String> <\/span>emails<\/span>;<\/span><\/p>\n

}<\/span><\/p>\n

 <\/p>\n<\/td>\n

\n

<person><\/span><\/p>\n

    <emails>muh@kuh.de<\/emails><\/span><\/p>\n

    <emails>zick@zack.com<\/emails><\/span><\/p>\n

<\/person><\/span><\/p>\n

 <\/p>\n<\/td>\n<\/tr>\n

\n

class<\/span><\/b> Person<\/span><\/p>\n

{<\/span><\/p>\n

  <\/span>@XmlList<\/span><\/p>\n

  List<String> <\/span>emails<\/span>;<\/span><\/p>\n

}<\/span><\/p>\n<\/td>\n

\n

<person><\/span><\/p>\n

    <emails>muh@kuh.de zick@zack.com<\/emails><\/span><\/p>\n

<\/person><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Elemente einpacken mit @XmlElementWrapper<\/span><\/p>\n

 <\/span><\/p>\n\n\n\n\n
\n

class<\/span><\/b> Person<\/span><\/p>\n

{<\/span><\/p>\n

  List<String> <\/span>emails<\/span>;<\/span><\/p>\n

}<\/span><\/p>\n<\/td>\n

\n

<person><\/span><\/p>\n

    <emails>muh@kuh.de<\/emails><\/span><\/p>\n

    <emails>zick@zack.com<\/emails><\/span><\/p>\n

<\/person><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

class<\/span><\/b> Person<\/span><\/p>\n

{<\/span><\/p>\n

  <\/span>@XmlElementWrapper<\/span>(name = <\/span>„emails“<\/span>)<\/span><\/p>\n

  <\/span>@XmlElement<\/span>(name = <\/span>„email“<\/span>)<\/span><\/p>\n

  List<String> <\/span>emails<\/span>;<\/span><\/p>\n

}<\/span><\/p>\n<\/td>\n

\n

<person><\/span><\/p>\n

    <emails><\/span><\/p>\n

        <email>muh@kuh.de<\/email><\/span><\/p>\n

        <email>zick@zack.com<\/email><\/span><\/p>\n

    <\/span><\/emails><\/span><\/p>\n

<\/person><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

 <\/p>\n

Reihenfolge \u00e4ndern<\/p>\n

 <\/p>\n\n\n\n\n
\n

class<\/span><\/b> Person<\/span><\/p>\n

{<\/span><\/p>\n

  String <\/span>lastname<\/span>, <\/span>firstname<\/span>;<\/span><\/p>\n

}<\/span><\/p>\n<\/td>\n

\n

<person><\/span><\/p>\n

    <lastname>Ullenboom<\/lastname><\/span><\/p>\n

    <firstname>Christian<\/firstname><\/span><\/p>\n

<\/person><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

@XmlType<\/span>( propOrder = { <\/span>„firstname“<\/span>, <\/span>„lastname“<\/span> } )<\/span><\/p>\n

class<\/span><\/b> Person<\/span><\/p>\n

{<\/span><\/p>\n

  String <\/span>lastname<\/span>, <\/span>firstname<\/span>;<\/span><\/p>\n

}<\/span><\/p>\n<\/td>\n

\n

<person><\/span><\/p>\n

    <firstname>Christian<\/firstname><\/span><\/p>\n

    <lastname>Ullenboom<\/lastname><\/span><\/p>\n

<\/person><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

@XmlJavaTypeAdapter<\/p>\n

Anpassen der XML-Abbildung, etwa f\u00fcr Datumswerte.<\/p>\n

 <\/p>\n\n\n\n\n
\n

class<\/span><\/b> Person<\/span><\/p>\n

{<\/span><\/p>\n

  Date <\/span>birthday<\/span>;<\/span><\/p>\n

}<\/span><\/p>\n<\/td>\n

\n

<person><\/span><\/p>\n

    <birthday>1973-03-12T00:00:00+01:00<\/birthday><\/span><\/p>\n

<\/person><\/span><\/p>\n<\/td>\n<\/tr>\n

\n

class<\/span><\/b> Person<\/span><\/p>\n

{<\/span><\/p>\n

  <\/span>@XmlJavaTypeAdapter<\/span>( DateAdapter.<\/span>class<\/span><\/b> )<\/span><\/p>\n

  Date <\/span>birthday<\/span>;<\/span><\/p>\n

}<\/span><\/p>\n

 <\/span><\/p>\n

class<\/span><\/b> DateAdapter <\/span>extends<\/span><\/b> XmlAdapter<String, Date><\/span><\/p>\n

{<\/span><\/p>\n

  <\/span>private<\/span><\/b> <\/span>final<\/span><\/b> <\/span>static<\/span><\/b> DateFormat <\/span>formatter<\/span><\/i> = <\/span>new<\/span><\/b> SimpleDateFormat( <\/span>„dd\/MM\/yyyy“<\/span> );<\/span><\/p>\n

 <\/span><\/p>\n

  <\/span>public<\/span><\/b> Date unmarshal( String date ) <\/span>throws<\/span><\/b> ParseException<\/span><\/p>\n

  {<\/span><\/p>\n

    <\/span>return<\/span><\/b> <\/span>formatter<\/span><\/i>.parse( date );<\/span><\/p>\n

  }<\/span><\/p>\n

 <\/span><\/p>\n

  <\/span>public<\/span><\/b> String marshal( Date date )<\/span><\/p>\n

  <\/span>{<\/span><\/p>\n

    <\/span>return<\/span><\/b> <\/span>formatter<\/span><\/i>.format( date );<\/span><\/p>\n

  }<\/span><\/p>\n

}<\/span><\/p>\n<\/td>\n

\n

<person><\/span><\/p>\n

    <birthday>12\/03\/1973<\/birthday><\/span><\/p>\n

<\/person><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Der spezielle Datentyp XMLGregorianCalendar<\/p>\n

 <\/p>\n

Neben der M\u00f6glichkeit, Datumswerte mit einen XmlJavaTypeAdapter zu \u00fcbersetzen, bietet JAXB den Datentype <\/span>XMLGregorianCalendar. <\/p>\n

 <\/pre>\n
<\/p>\n
Person p = <\/span>new<\/span><\/b> Person();<\/span><\/p>\n
<\/p>\n
GregorianCalendar c = <\/span>new<\/span><\/b> GregorianCalendar( 1973, Calendar.<\/span>MARCH<\/span><\/i>, 12 );<\/span><\/p>\n
<\/p>\n
p.<\/span>birthday<\/span> = DatatypeFactory.newInstance<\/i>().newXMLGregorianCalendar( c );;<\/span><\/p>\n
 <\/pre>\n
 <\/pre>\n
<\/p>\n<\/p>\n<\/p>\n<\/p>\n
<\/p>\n
class Person<\/p>\n
<\/p>\n
{<\/p>\n
<\/p>\n
  XMLGregorianCalendar birthday;<\/p>\n
<\/p>\n
}<\/p>\n<\/td>\n
<\/p>\n
<\/p>\n
<person><\/span><\/p>\n
<\/p>\n
    <birthday>1973-03-12T00:00:00.000+01:00<\/birthday><\/span><\/p>\n
<\/p>\n
<\/person><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
 <\/span><\/pre>\n
<\/p>\n
Die Abbildung enth\u00e4lt alle notwendigen Werte. Sollen Segmente, wie die Zeitzone herausgenommen werden, so markiert man sie aus:<\/p>\n
 <\/pre>\n
<\/p>\n
Person p = <\/span>new<\/span><\/b> Person();<\/span><\/p>\n
<\/p>\n
GregorianCalendar c = <\/span>new<\/span><\/b> GregorianCalendar( 1973, Calendar.<\/span>MARCH<\/span><\/i>, 12 );<\/span><\/p>\n
<\/p>\n
XMLGregorianCalendar gc = DatatypeFactory.newInstance<\/i>().newXMLGregorianCalendar( c );<\/span><\/p>\n
<\/p>\n
gc.setTimezone(DatatypeConstants.<\/span>FIELD_UNDEFINED<\/span><\/i>);<\/span><\/p>\n
<\/p>\n
gc.setTime(DatatypeConstants.<\/span>FIELD_UNDEFINED<\/span><\/i>, DatatypeConstants.<\/span>FIELD_UNDEFINED<\/span><\/i>, DatatypeConstants.<\/span>FIELD_UNDEFINED<\/span><\/i>);<\/span><\/p>\n
p.<\/span>birthday<\/span> = gc;<\/span><\/pre>\n
 <\/pre>\n
<\/p>\n<\/p>\n<\/p>\n<\/p>\n
<\/p>\n
class<\/span><\/b> Person<\/span><\/p>\n
<\/p>\n
{<\/span><\/p>\n
<\/p>\n
  XMLGregorianCalendar <\/span>birthday<\/span>;<\/span><\/p>\n
<\/p>\n
}<\/span><\/p>\n<\/td>\n
<\/p>\n
<\/p>\n
<person><\/span><\/p>\n
<\/p>\n
    <birthday>1973-03-12<\/birthday><\/span><\/p>\n
<\/p>\n
<\/person><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
<\/p>\n
 <\/p>\n
<\/p>\n
Elemente einbetten mit @XmlElements<\/p>\n
<\/p>\n
 <\/span><\/p>\n
<\/p>\n
Person p = <\/span>new<\/span><\/b> Person();<\/span><\/p>\n
<\/p>\n
EmailContact c1 = <\/span>new<\/span><\/b> EmailContact();<\/span><\/p>\n
<\/p>\n
c1.<\/span>address<\/span> = <\/span>„hoho@weihnachtsmann.de“<\/span>;<\/span><\/p>\n
<\/p>\n
PhoneContact c2 = <\/span>new<\/span><\/b> PhoneContact();<\/span><\/p>\n
<\/p>\n
c2.<\/span>number<\/span> = <\/span>„0011-123456789“<\/span>;<\/span><\/p>\n
<\/p>\n
p.<\/span>contacts<\/span> = Arrays.asList<\/i>( c1, c2 );<\/span><\/p>\n
<\/p>\n
 <\/span><\/p>\n
<\/p>\n<\/p>\n<\/p>\n<\/p>\n
<\/p>\n
@XmlRootElement<\/span><\/p>\n
<\/p>\n
@XmlAccessorType<\/span>( XmlAccessType.<\/span>FIELD<\/span><\/i> )<\/span><\/p>\n
<\/p>\n
class<\/span><\/b> Person<\/span><\/p>\n
<\/p>\n
{<\/span><\/p>\n
<\/p>\n
  <\/span>@<\/span>XmlElements<\/span><\/u>(<\/span><\/p>\n
<\/p>\n
  {<\/span><\/p>\n
<\/p>\n
      <\/span>@XmlElement<\/span>( name = <\/span>„email“<\/span>, type = EmailContact.<\/span>class<\/span><\/b> ),<\/span><\/p>\n
<\/p>\n
      <\/span>@XmlElement<\/span>( name = <\/span>„phone“<\/span>, type = PhoneContact.<\/span>class<\/span><\/b> )<\/span><\/p>\n
<\/p>\n
  } )<\/span><\/p>\n
<\/p>\n
  List<Object> <\/span>contacts<\/span> = <\/span>new<\/span><\/b> ArrayList<Object>();<\/span><\/p>\n
<\/p>\n
}<\/span><\/p>\n
<\/p>\n
 <\/span><\/p>\n
<\/p>\n
@XmlAccessorType<\/span>( XmlAccessType.<\/span>FIELD<\/span><\/i> )<\/span><\/p>\n
<\/p>\n
class<\/span><\/b> EmailContact<\/span><\/p>\n
<\/p>\n
{<\/span><\/p>\n
<\/p>\n
  <\/span>@XmlValue<\/span><\/p>\n
<\/p>\n
  String <\/span>address<\/span>;<\/span><\/p>\n
<\/p>\n
}<\/span><\/p>\n
<\/p>\n
 <\/span><\/p>\n
<\/p>\n
@XmlAccessorType<\/span>( XmlAccessType.<\/span>FIELD<\/span><\/i> )<\/span><\/p>\n
<\/p>\n
class<\/span><\/b> PhoneContact<\/span><\/p>\n
<\/p>\n
{<\/span><\/p>\n
<\/p>\n
  <\/span>@XmlValue<\/span><\/p>\n
<\/p>\n
  String <\/span>number<\/span>;<\/span><\/p>\n
<\/p>\n
}<\/span><\/p>\n<\/td>\n
<\/p>\n
<\/p>\n
<person><\/span><\/p>\n
<\/p>\n
    <email>hoho@weihnachtsmann.de<\/email><\/span><\/p>\n
<\/p>\n
    <phone>0011-123456789<\/phone><\/span><\/p>\n
<\/p>\n
<\/person><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"
Schreiben der Felder statt Nutzen der Setter\/Getter: Annotiere die Klasse mit @XmlAccessorType( XmlAccessType.FIELD )   @XmlAttribute   class Person {   String name;     @XmlAttribute   int id; } <person id=“123″>     <name>Christian<\/name> <\/person>   @XmlValue Gibt es nur ein Element kann @XmlValue dies in den Rumpf setzten.   class Person {   int […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[1],"tags":[],"class_list":["post-108","post","type-post","status-publish","format-standard","hentry","category-allgemein"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/posts\/108","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/comments?post=108"}],"version-history":[{"count":0,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/posts\/108\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/media?parent=108"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/categories?post=108"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/tags?post=108"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}