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An interface that provides methods to transform objects to and from XML. This is typically used with the XmlObjectFactory to register handlers for classes that do not themselves implement the XmlObject interface but which we want to be able to serialize.
Most objects that will be serialized/deserialized as XML will simply implement the XmlObject interface, and make use of the default behavior provided by the XmlObjectFactory class.
Some classes may however want more control, and possibly not want to implement XmlObject. This is the case for the native Java classes like String, Integer, HashMap, ArrayList, etc. We will provide built-in handlers for those classes, but the list can be extended simply by registring another handler with XmlObjectFactory.
Field Summary | |
static java.lang.String |
code_id
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static java.lang.String |
ELEMENT_BOOLEAN
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static java.lang.String |
ELEMENT_DATE
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static java.lang.String |
ELEMENT_INTEGER
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static java.lang.String |
ELEMENT_LIST
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static java.lang.String |
ELEMENT_LOCALE
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static java.lang.String |
ELEMENT_LONG
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static java.lang.String |
ELEMENT_MAP
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static java.lang.String |
ELEMENT_NULL
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static java.lang.String |
ELEMENT_STRING
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static java.lang.String |
ELEMENT_X509CERTIFICATE
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Method Summary | |
java.lang.Object |
create(org.w3c.dom.Element e)
Handlers that want to construct objects from XML must implement this method. |
java.lang.String |
getElementName()
Handlers may return an element name to indicate which XML element they parse. |
java.lang.Class |
getHandledClass()
Handlers that wish to serve as a serializer must return a Class object to indicate which class of objects they can serialize. |
void |
toXml(java.lang.StringBuffer b,
int indent,
java.lang.Object obj)
Handlers that wish to serialize objects must implement this method. |
Field Detail |
public static final java.lang.String code_id
public static final java.lang.String ELEMENT_STRING
public static final java.lang.String ELEMENT_INTEGER
public static final java.lang.String ELEMENT_LONG
public static final java.lang.String ELEMENT_BOOLEAN
public static final java.lang.String ELEMENT_DATE
public static final java.lang.String ELEMENT_NULL
public static final java.lang.String ELEMENT_MAP
public static final java.lang.String ELEMENT_LIST
public static final java.lang.String ELEMENT_X509CERTIFICATE
public static final java.lang.String ELEMENT_LOCALE
Method Detail |
public java.lang.String getElementName()
Handlers are not required to return an element name, in which case they are presumably used only as an object factory.
public java.lang.Object create(org.w3c.dom.Element e) throws WavesetException
WavesetException
public java.lang.Class getHandledClass()
Handlers are not required to return a class object, in which case they are presumably only used for parsing XML.
public void toXml(java.lang.StringBuffer b, int indent, java.lang.Object obj)
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