/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.runtime;
import java.net.URI;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.UtilityExtensionPoint;
import org.oasisopen.sca.ServiceRuntimeException;
/**
* A delegating DomainRegistryFactory
*/
public class ExtensibleDomainRegistryFactory implements DomainRegistryFactory {
private final DomainRegistryFactoryExtensionPoint factories;
private String[] allSchemes;
private String defaultScheme = "tuscany";
public ExtensibleDomainRegistryFactory(ExtensionPointRegistry registry) {
this.factories = registry.getExtensionPoint(DomainRegistryFactoryExtensionPoint.class);
RuntimeProperties ps = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(RuntimeProperties.class);
if (ps.getProperties().containsKey("defaultScheme")) {
defaultScheme = ps.getProperties().getProperty("defaultScheme");
}
}
public ExtensibleDomainRegistryFactory(DomainRegistryFactoryExtensionPoint factories) {
this.factories = factories;
}
public static ExtensibleDomainRegistryFactory getInstance(ExtensionPointRegistry registry) {
UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class);
return utilities.getUtility(ExtensibleDomainRegistryFactory.class);
}
public void addListener(EndpointListener listener) {
for (DomainRegistryFactory factory : factories.getDomainRegistryFactories()) {
factory.addListener(listener);
}
}
public Collection<EndpointRegistry> getEndpointRegistries() {
List<EndpointRegistry> registries = new ArrayList<EndpointRegistry>();
for (DomainRegistryFactory factory : factories.getDomainRegistryFactories()) {
registries.addAll(factory.getEndpointRegistries());
}
return registries;
}
public EndpointRegistry getEndpointRegistry(String endpointRegistryURI, String domainURI) {
if (endpointRegistryURI == null) {
endpointRegistryURI = factories.getDomainRegistryMapping().get(domainURI);
if (endpointRegistryURI == null) {
endpointRegistryURI = domainURI;
}
}
String scheme = endpointRegistryURI == null ? null : URI.create(endpointRegistryURI).getScheme();
if (scheme == null) {
// See if there is a previously created registry for that domain
for (DomainRegistryFactory factory : factories.getDomainRegistryFactories()) {
for (EndpointRegistry endpointRegistry : factory.getEndpointRegistries()) {
if (endpointRegistry.getDomainURI().equals(domainURI)) {
return endpointRegistry;
}
}
}
scheme = defaultScheme;
endpointRegistryURI = scheme + ":" + endpointRegistryURI;
} else {
scheme = scheme.toLowerCase();
}
for (DomainRegistryFactory factory : factories.getDomainRegistryFactories()) {
String[] schemes = factory.getSupportedSchemes();
if (schemes != null && Arrays.asList(schemes).contains(scheme)) {
EndpointRegistry endpointRegistry = factory.getEndpointRegistry(endpointRegistryURI, domainURI);
if (endpointRegistry == null) {
continue;
} else {
return endpointRegistry;
}
}
}
throw new ServiceRuntimeException("No EndpointRegistry can support " + endpointRegistryURI);
}
public void removeListener(EndpointListener listener) {
for (DomainRegistryFactory factory : factories.getDomainRegistryFactories()) {
factory.removeListener(listener);
}
}
public synchronized String[] getSupportedSchemes() {
if (allSchemes == null) {
Set<String> supportedSchemes = new HashSet<String>();
for (DomainRegistryFactory factory : factories.getDomainRegistryFactories()) {
String[] schemes = factory.getSupportedSchemes();
if (schemes != null) {
supportedSchemes.addAll(Arrays.asList(schemes));
}
}
allSchemes = supportedSchemes.toArray(new String[supportedSchemes.size()]);
}
return allSchemes;
}
}