Hello.
I'm trying to make extensions using xml schema substitution groups.
Schema has following definition:
<xs:element name="notification-providers"
type="notification-providers-config" />
<xs:complexType name="notification-providers-config">
<xs:sequence>
<xs:element ref="notification-provider" minOccurs="0" maxOccurs="unbounded"
/>
</xs:sequence>
</xs:complexType>
<xs:element name="notification-provider" type="notification-provider-config"
abstract="true" />
<xs:complexType name="notification-provider-config" />
<xs:element name="dc-global-chat-notification-provider-config"
substitutionGroup="notification-provider">
<xs:complexType>
<xs:complexContent>
<xs:extension base="notification-provider-config" />
</xs:complexContent>
</xs:complexType>
</xs:element>
<xs:element name="dc-private-chat-notification-provider-config"
substitutionGroup="notification-provider">
<xs:complexType>
<xs:complexContent>
<xs:extension base="notification-provider-config" />
</xs:complexContent>
</xs:complexType>
</xs:element>
XML example:
<notification-providers>
<dc-global-chat-notification-provider-config />
</notification-providers>
After schemagen the following binding xml produced:
<mapping abstract="true" type-name="ns1:notification-providers-config"
class="by.smoke.jdcbot.config.NotificationProvidersConfig">
<collection item-type="by.smoke.jdcbot.config.NotificationProvider"
get-method="getNotificationProviders" set-method="setNotificationProviders"
create-type="java.util.ArrayList"/>
</mapping>
<mapping class="by.smoke.jdcbot.config.NotificationProvider"
name="notification-provider">
<structure map-as="ns1:notification-provider-config"/>
</mapping>
<mapping abstract="true" type-name="ns1:notification-provider-config"
class="by.smoke.jdcbot.config.NotificationProviderConfig"/>
<mapping
class="by.smoke.jdcbot.config.DcGlobalChatNotificationProviderConfig"
name="dc-global-chat-notification-provider-config">
<structure map-as="ns1:notification-provider-config"/>
</mapping>
<mapping
class="by.smoke.jdcbot.config.DcPrivateChatNotificationProviderConfig"
name="dc-private-chat-notification-provider-config">
<structure map-as="ns1:notification-provider-config"/>
</mapping>
and the following classes:
NotificationProvidersConfig containing a List of NotificationProvider
NotificationProviderConfig
NotificationProvider extends NotificationProviderConfig
DcGlobalChatNotificationProviderConfig extends NotificationProviderConfig
DcPrivateChatNotificationProviderConfig extends NotificationProviderConfig
When I'm trying to compile these binding the error occured: factory-method
needed for abstract type 'by.smoke.jdcbot.config.NotificationProvider'; on
mapping element at ...
What am I doing wrong?
And the second question is why NotificationProvidersConfig contains
a List of NotificationProvider but not a List of NotificationProviderConfig?
Also I've tried to remove abstract attribute from notification-provider
element's schema definition, bindings compilation succeeded and I've got a
error during xml unmarshaling: Expected "notification-providers" end tag,
found "dc-global-chat-notification-provider-config" start tag.
Thanks in advance.
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