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Difference between revisions of "EclipseLink/Release/2.4.0/JAXB RI Extensions"

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Marshaller Features
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= Marshaller Features =
  
 
Cycle Recoverable
 
Cycle Recoverable

Revision as of 11:10, 4 June 2012

Marshaller Features

Cycle Recoverable Usage: Implement the com.sun.xml.bind.CycleRecoverable interface Allows the user to write their own logic to be used when object cycles are detected during marshal operations. See: http://wiki.eclipse.org/EclipseLink/Development/372404

Object Identitity Cycle Detection Usage: marshaller.setProperty("com.sun.xml.bind.objectIdentitityCycleDetection", false); Used to configure the strategy EclipseLink will use to detect an Object cycle. By default, EclipseLink will use Object identity to determine if a cycle exists; setting this property to false will tell EclipseLink to use the equals() method instead.

XML Declaration Usage: marshaller.setProperty("com.sun.xml.bind.xmlDeclaration", true); Allows the user to omit the XML processing instruction from marshalled documens. This property is the opposite of Marshaller.JAXB_FRAGMENT, and is included for backwards compatibility only.

XML Headers Usage: marshaller.setProperty("com.sun.xml.bind.xmlHeaders", headerString); Allows the user to supply a header string, which will appear after the XML processing instruction (<?xml ...>), but before the start of the document's data.

Indent String Usage: marshaller.setProperty("com.sun.xml.bind.indentString", indentString);

      marshaller.setProperty(org.eclipse.persistence.jaxb.MarshallerProperties.INDENT_STRING, indentString);

Allows the user to override the indent string that is used when marshalling objects.

Character Escape Handler Usage: marshaller.setProperty("com.sun.xml.bind.marshaller.CharacterEscapeHandler", new MyCharacterEscapeHandler());

      marshaller.setProperty(org.eclipse.persistence.jaxb.MarshallerProperties.CHARACTER_ESCAPE_HANDLER, new MyCharacterEscapeHandler());

Allows the user to provide their own character-escaping logic by supplying their own implementation of the CharacterEscapeHandler interface. See: http://wiki.eclipse.org/EclipseLink/Development/370589



Unmarshaller Features

ID Resolver Usage: unmarshaller.setProperty("com.sun.xml.bind.IDResolver", new MyIdResolver());

      unmarshaller.setProperty(org.eclipse.persistence.jaxb.UnmarshallerProperties.ID_RESOLVER, new MyIdResolver());

Allows the user to provide their own logic for resolving XML IDs/IDREFs. See: http://wiki.eclipse.org/EclipseLink/Development/360249

XML Location Usage: Annotate a property with @XmlLocation Allows the user to specify a property on the JAXB object that will be updated (upon unmarshalling) with that object's XML location information (i.e. the line number, column number, and system ID that points to this object's location in the XML input). See: http://wiki.eclipse.org/EclipseLink/Development/355766