How to use

getServiceProviders

method

in

org.geotools.factory.FactoryRegistry

static synchronized <T extends DataAccessFactory> Iterator<T> getAllDataStores(
    FactoryRegistry registry, Class<T> category) {
  return registry.getServiceProviders(category, null, null);
}

/**
 * Finds all implemtaions of DataStoreFactory which have registered using the services
 * mechanism, and that have the appropriate libraries on the classpath.
 * 
 * @return An iterator over all discovered datastores which have registered factories, and whose
 *         available method returns true.
 */
public static synchronized Iterator getUnWrappers() {
  Set availableDS = new HashSet();
  return getServiceRegistry().getServiceProviders(UnWrapper.class);
}

/**
 * Finds all implemtaions of DataStoreFactory which have registered using the services
 * mechanism, and that have the appropriate libraries on the classpath.
 * 
 * @return An iterator over all discovered datastores which have registered factories, and whose
 *         available method returns true.
 */
public static synchronized Iterator getUnWrappers() {
  Set availableDS = new HashSet();
  return getServiceRegistry().getServiceProviders(UnWrapper.class, null, null);
}

/**
 * Finds all implementations of {@link ExternalGraphicFactory} which have
 * registered using the services mechanism.
 * 
 * @return An iterator over all discovered datastores which have registered
 *         factories, and whose available method returns true.
 */
public static synchronized Iterator<ExternalGraphicFactory> getExternalGraphicFactories() {
  return getServiceRegistry().getServiceProviders(ExternalGraphicFactory.class, null, null);
}

/**
 * Finds all implementations of {@link MarkFactory} which have registered
 * using the services mechanism.
 * 
 * @return An iterator over all discovered datastores which have registered
 *         factories, and whose available method returns true.
 */
public static synchronized Iterator<MarkFactory> getMarkFactories() {
  return getServiceRegistry().getServiceProviders(MarkFactory.class, null, null);
}

/**
 * Returns a set of all available implementations for the {@link GeometryFactory} category.
 *
 * @return Set of available geometry factory implementations.
 */
public static synchronized Set getGeometryFactories() {
  return new LazySet(getServiceRegistry().getServiceProviders(GeometryFactory.class));
}

/**
 * Set of available ProcessFactory; each of which is responsible for one or more processes.
 * 
 * @return Set of ProcessFactory
 */
public static Set<ProcessFactory> getProcessFactories() {
  Iterator<ProcessFactory> serviceProviders = getServiceRegistry().getServiceProviders(
          ProcessFactory.class, null, null);
  return new LazySet<ProcessFactory>(serviceProviders);
}

/**
 * Returns a set of all available implementations for the {@link GeometryFactory} category.
 *
 * @return Set of available geometry factory implementations.
 */
public static synchronized Set getGeometryFactories() {
  return new LazySet(getServiceRegistry().getServiceProviders(GeometryFactory.class, null, null));
}

/**
 * Returns a set of all available implementations for the {@link PrecisionModel} category.
 *
 * @return Set of available precision model implementations.
 */
public static synchronized Set getPrecisionModels() {
  return new LazySet(getServiceRegistry().getServiceProviders(PrecisionModel.class, null, null));
}

/**
 * Returns a set of all available implementations for the {@link CoordinateSequenceFactory}
 * interface.
 *
 * @return Set of available coordinate sequence factory implementations.
 */
public static synchronized Set getCoordinateSequenceFactories() {
  return new LazySet(getServiceRegistry().getServiceProviders(CoordinateSequenceFactory.class, null, null));
}

/**
 * Returns a set of all available implementations for the {@link PrecisionModel} category.
 *
 * @return Set of available precision model implementations.
 */
public static synchronized Set getPrecisionModels() {
  return new LazySet(getServiceRegistry().getServiceProviders(PrecisionModel.class));
}

/**
 * Returns a set of all available implementations for the {@link GridCoverageFactory} interface.
 *
 * @return Set of available grid coverage factory implementations.
 *
 * @deprecated Use {@link #getGridCoverageFactories(Hints)} instead.
 */
public static synchronized Set getGridCoverageFactories() {
  return new LazySet(getServiceRegistry().getServiceProviders(GridCoverageFactory.class));
}

/**
 * Returns a set of all available implementations for the {@link CoordinateSequenceFactory}
 * interface.
 *
 * @return Set of available coordinate sequence factory implementations.
 */
public static synchronized Set getCoordinateSequenceFactories() {
  return new LazySet(getServiceRegistry().getServiceProviders(CoordinateSequenceFactory.class));
}

/**
 * Returns a set of all available implementations for the {@link FunctionExpression} interface.
 * 
 * @param  hints An optional map of hints, or {@code null} if none.
 * @return Set of available function expression implementations.
 */
public static synchronized Set getFunctions(Hints hints) {
  hints = mergeSystemHints(hints);
  return new LazySet(getServiceRegistry().getServiceProviders(
      FunctionImpl.class, null, hints));
}    

/**
 * Returns a set of all available implementations for the {@link StyleFactory} interface.
 *
 * @param  hints An optional map of hints, or {@code null} if none.
 * @return Set of available style factory implementations.
 */
public static synchronized Set getStyleFactories(Hints hints) {
  hints = mergeSystemHints(hints);
  return new LazySet(getServiceRegistry().getServiceProviders(
      StyleFactory.class, null, hints));
}

/**
 * Returns a set of all available implementations for the {@link FunctionExpression} interface.
 *
 * @param  hints An optional map of hints, or {@code null} if none.
 * @return Set of available style factory implementations.
 * @deprecated Use FunctionExpression is now @deprecated
 */
public static synchronized Set getFunctionExpressions(Hints hints) {
  hints = mergeSystemHints(hints);
  return new LazySet(getServiceRegistry().getServiceProviders(
      Function.class, null, hints));
}

/**
 * Returns a set of all available implementations for the {@link FilterFactory} interface.
 *
 * @param  hints An optional map of hints, or {@code null} if none.
 * @return Set of available filter factory implementations.
 */
public static synchronized Set getFilterFactories(Hints hints) {
  hints = mergeSystemHints(hints);
  return new LazySet(getServiceRegistry().getServiceProviders(
      FilterFactory.class, null, hints));
}

/**
 * Returns a set of all available implementations for the {@link FeatureCollections} interface.
 *
 * @param  hints An optional map of hints, or {@code null} if none.
 * @return Set of available feature collections implementations.
 */
public static synchronized Set getFeatureCollectionsSet(Hints hints) {
  hints = mergeSystemHints(hints);
  return new LazySet(getServiceRegistry().getServiceProviders(
      FeatureCollections.class, null, hints));
}    

/**
 * Returns a set of all available implementations for the {@link FileDataStoreFactorySpi} interface.
 * 
 * @param  hints An optional map of hints, or {@code null} if none.
 * @return Set of available file data store factory implementations.
 */
public static synchronized Set getFileDataStoreFactories(Hints hints) {
  hints = mergeSystemHints(hints);
  return new LazySet(getServiceRegistry().getServiceProviders(
      FileDataStoreFactorySpi.class, null, hints));
}

/**
 * Returns a set of all available implementations for the {@link ConverterFactory} interface.
 *
 * @param  hints An optional map of hints, or {@code null} if none.
 * @return Set of available ConverterFactory implementations.
 */
public static synchronized Set getConverterFactories(Hints hints) {
  hints = addDefaultHints(hints);
  return new LazySet(getServiceRegistry().getServiceProviders(
      ConverterFactory.class, null, hints));
}