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Types Supported by JAX-WS
June 4, 2013
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Types Supported by JAX-WS

JAX-WS delegates the mapping of Java programming language types to and from XML definitions to JAXB. Application developers don’t need to know the details of these mappings but should be aware that not every class in the Java language can be used as a method parameter or return type in JAX-WS.

The following sections explain the default schema-to-Java and Java-to-schema data type bindings.

Schema-to-Java Mapping
The Java language provides a richer set of data type than XML schema. Table lists the mapping of XML data types to Java data types in JAXB.

XML Schema Type
Java Data Type
xsd:string
java.lang.String
xsd:integer
java.math.BigInteger
xsd:int
int
xsd.long
long
xsd:short
short
xsd:decimal
java.math.BigDecimal
xsd:float
float
xsd:double
double
xsd:boolean
boolean
xsd:byte
byte
xsd:QName
javax.xml.namespace.QName
xsd:dateTime
javax.xml.datatype.XMLGregorianCalendar
xsd:base64Binary
byte[]
xsd:hexBinary
byte[]
xsd:unsignedInt
long
xsd:unsignedShort
int
xsd:unsignedByte
short
xsd:time
javax.xml.datatype.XMLGregorianCalendar
xsd:date
javax.xml.datatype.XMLGregorianCalendar
xsd:g
javax.xml.datatype.XMLGregorianCalendar
xsd:anySimpleType
java.lang.Object
xsd:anySimpleType
java.lang.String
xsd:duration
javax.xml.datatype.Duration
xsd:NOTATION
javax.xml.namespace.QName

Java-to-Schema Mapping
Table shows the default mapping of Java classes to XML data types.

Table JAXB Mapping of XML Data Types to Java Classes

Java Class
XML Data Type
java.lang.String
xs:string
java.math.BigInteger
xs:integer
java.math.BigDecimal
xs:decimal
java.util.Calendar
xs:dateTime
java.util.Date
xs:dateTime
javax.xml.namespace.QName
xs:QName
java.net.URI
xs:string
javax.xml.datatype.XMLGregorianCalendar
xs:anySimpleType
javax.xml.datatype.Duration
xs:duration
java.lang.Object
xs:anyType
java.awt.Image
xs:base64Binary
javax.activation.DataHandler
xs:base64Binary
javax.xml.transform.Source
xs:base64Binary
java.util.UUID
xs:string

References
Wikipedia for Web Service

 

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About The Author

Dinesh Rajput

Dinesh Rajput is the chief editor of a website Dineshonjava, a technical blog dedicated to the Spring and Java technologies. It has a series of articles related to Java technologies. Dinesh has been a Spring enthusiast since 2008 and is a Pivotal Certified Spring Professional, an author of a book Spring 5 Design Pattern, and a blogger. He has more than 10 years of experience with different aspects of Spring and Java design and development. His core expertise lies in the latest version of Spring Framework, Spring Boot, Spring Security, creating REST APIs, Microservice Architecture, Reactive Pattern, Spring AOP, Design Patterns, Struts, Hibernate, Web Services, Spring Batch, Cassandra, MongoDB, and Web Application Design and Architecture. He is currently working as a technology manager at a leading product and web development company. He worked as a developer and tech lead at the Bennett, Coleman & Co. Ltd and was the first developer in his previous company, Paytm. Dinesh is passionate about the latest Java technologies and loves to write technical blogs related to it. He is a very active member of the Java and Spring community on different forums. When it comes to the Spring Framework and Java, Dinesh tops the list!