The Java generator supports extension syntaxes embedding information in RELAX schemas. Relaxer generates special code using the information.
The namespace of extension syntax for java is
a http://www.relaxer.org/xmlns/relaxer/java.
Usually java is used for a prefix to represent namespace the
namespace http://www.relaxer.org/xmlns/relaxer/java.
Nonetheless, you may use any prefix.
There are following three kind of targets:
Target 'class' means that extension syntax applies to classes. (e.g. class name)
Target 'property' means that extension sytanx applies to attributes of classes. (e.g. attribute name)
Target 'data' means that extension sytax applies to type of attributes. (e.g. attribute type)
Table 8.1.1.1[target and element] shows mappings between the target and the element of RELAX grammars, both RELAX NG and RELAX Core.
| target | RELAX NG | RELAX Core | note |
|---|---|---|---|
| class | define | elementRule | |
| contentRule | |||
| element | element | ||
| property | element | element | |
| attribute | attribute | ||
| ref | ref | ||
| hedgeRef | |||
| data | data | elementRule | |
| element | |||
| attribute |
The Java generator supports the following attributes for this extension syntax:
default
className
propertyName
dataType
dataClass
extends
implements
abstract
mapKey
roleTable 8.1.2.1[List of the extionsion attributes for the Java geneartor] is a list of the extension attributes for the Java generator.
| attribute | target | function |
|---|---|---|
| default | property | default value of the target property |
| className | class | class name of the target class |
| propertyName | property | property name of the target property |
| dataType | data | data type of the target data |
| dataClass | data | implementation class name of the target data |
| extends | class | base class of the target class |
| implements | class | specifies user defined interfaces implmented by the target class |
| abstract | class | indicates the target class is a abstract class |
| mapKey | property | specify the target property uses map-key facility |
| role | class | specify role interfaces |