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Representing XML Content
This section describes how JAXB represents XML content as Java objects. Specifically, the topics in this section are as follows:
Binding XML Names to Java Identifiers
XML schema languages use XML names--strings that match the Name production defined in XML 1.0 (Second Edition) (
http://www.w3.org/XML/
) to label schema components. This set of strings is much larger than the set of valid Java class, method, and constant identifiers. To resolve this discrepancy, JAXB uses several name-mapping algorithms.The JAXB name-mapping algorithm maps XML names to Java identifiers in a way that adheres to standard Java API design guidelines, generates identifiers that retain obvious connections to the corresponding schema, and is unlikely to result in many collisions.
Refer to Chapter 11 for information about changing default XML name mappings. See Appendix C in the JAXB Specification for complete details about the JAXB naming algorithm.
Java Representation of XML Schema
JAXB supports the grouping of generated classes and interfaces in Java packages. A package comprises:
- A name, which is either derived directly from the XML namespace URI, or specified by a binding customization of the XML namespace URI
- A set of Java content interfaces representing the content models declared within the schema
- A Set of Java element interfaces representing element declarations occurring within the schema
- An
ObjectFactory
class containing:
- An instance factory method for each Java content interface and Java element interface within the package; for example, given a Java content interface named
Foo
, the derived factory method would be:- Dynamic instance factory allocator; creates an instance of the specified Java content interface; for example:
getProperty
andsetProperty
APIs that allow the manipulation of provider-specified properties- Set of typesafe enum classes
- Package javadoc
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