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java.lang.Objectjavax.imageio.spi.IIOServiceProvider
public abstract class IIOServiceProvider
An abstract superclass for service providers that perform image I/O.
Field Summary | |
---|---|
protected String |
vendorName
The vendor of this service provider, or null if the
subclass constructor did not set this field. |
protected String |
version
The version of this service provider, or null if the
subclass constructor did not set this field. |
Constructor Summary | |
---|---|
IIOServiceProvider()
Constructs a general IIOServiceProvider without
specifying a vendor name and a version string. |
|
IIOServiceProvider(String vendorName,
String version)
Constructs a general IIOServiceProvider , given the
vendor name and a version string. |
Method Summary | |
---|---|
abstract String |
getDescription(Locale locale)
Returns a short description of this service provider that can be presented to a human user. |
String |
getVendorName()
Returns the name of the vendor of this service provider. |
String |
getVersion()
Returns an identifier string for the version of this service provider. |
void |
onDeregistration(ServiceRegistry registry,
Class<?> category)
Informs this service provider that it has been de-registered from a ServiceRegistry . |
void |
onRegistration(ServiceRegistry registry,
Class<?> category)
Informs this service provider that it has been registered in a ServiceRegistry . |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected String vendorName
null
if the
subclass constructor did not set this field.
getVendorName()
protected String version
null
if the
subclass constructor did not set this field.
getVersion()
Constructor Detail |
---|
public IIOServiceProvider(String vendorName, String version)
IIOServiceProvider
, given the
vendor name and a version string.
IllegalArgumentException
- if vendorName
or version
is null
.public IIOServiceProvider()
IIOServiceProvider
without
specifying a vendor name and a version string. The subclass
constructor should set the vendorName
and version
to non-null values.
Method Detail |
---|
public void onRegistration(ServiceRegistry registry, Class<?> category)
ServiceRegistry
. If this provider gets registered as an
implementor for several service categories, its
onRegistration
method will be called multiple times.
The default implementation does nothing.
onRegistration
in interface RegisterableService
registry
- the registry to which this service provider has
been added.category
- the service category for which this provider has
been registered as an implementor.public void onDeregistration(ServiceRegistry registry, Class<?> category)
ServiceRegistry
. If this provider had been registered
as an implementor for several service categories, its
onDeregistration
method will be called multiple
times. The default implementation does nothing.
onDeregistration
in interface RegisterableService
registry
- the registry from which this service provider has
been removed.category
- the service category for which this provider has
been registered as an implementor.public String getVendorName()
public String getVersion()
public abstract String getDescription(Locale locale)
locale
- the locale for which the description string should
be localized.
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