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/*
* 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.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.logging.Logger;
import org.apache.tuscany.sca.assembly.Endpoint;
import org.apache.tuscany.sca.assembly.EndpointReference;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.LifeCycleListener;
/**
* A replicated EndpointRegistry based on Apache Tomcat Tribes
*/
public abstract class BaseEndpointRegistry implements EndpointRegistry, LifeCycleListener {
protected final static Logger logger = Logger.getLogger(BaseEndpointRegistry.class.getName());
protected String domainRegistryURI;
protected String domainURI;
protected List<EndpointReference> endpointreferences = new CopyOnWriteArrayList<EndpointReference>();
protected List<EndpointListener> listeners = new CopyOnWriteArrayList<EndpointListener>();
protected ExtensionPointRegistry registry;
protected Map<String, String> attributes;
public BaseEndpointRegistry(ExtensionPointRegistry registry,
Map<String, String> attributes,
String domainRegistryURI,
String domainURI) {
this.registry = registry;
this.domainURI = domainURI;
this.domainRegistryURI = domainRegistryURI;
this.attributes = attributes;
}
public abstract void addEndpoint(Endpoint endpoint);
public void addEndpointReference(EndpointReference endpointReference) {
endpointreferences.add(endpointReference);
logger.fine("Add endpoint reference - " + endpointReference);
}
public void addListener(EndpointListener listener) {
listeners.add(listener);
}
protected void endpointAdded(Endpoint endpoint) {
((RuntimeEndpoint)endpoint).bind(registry, this);
for (EndpointListener listener : listeners) {
listener.endpointAdded(endpoint);
}
}
protected void endpointRemoved(Endpoint endpoint) {
((RuntimeEndpoint)endpoint).bind(registry, this);
for (EndpointListener listener : listeners) {
listener.endpointRemoved(endpoint);
}
}
protected void endpointUpdated(Endpoint oldEp, Endpoint newEp) {
((RuntimeEndpoint)newEp).bind(registry, this);
for (EndpointListener listener : listeners) {
listener.endpointUpdated(oldEp, newEp);
}
}
public List<Endpoint> findEndpoint(EndpointReference endpointReference) {
logger.fine("Find endpoint for reference - " + endpointReference);
if (endpointReference.getReference() != null) {
Endpoint targetEndpoint = endpointReference.getTargetEndpoint();
return findEndpoint(targetEndpoint.getURI());
}
return new ArrayList<Endpoint>();
}
public abstract List<Endpoint> findEndpoint(String uri);
public List<EndpointReference> findEndpointReference(Endpoint endpoint) {
return endpointreferences;
}
public abstract Endpoint getEndpoint(String uri);
public List<EndpointReference> getEndpointReferences() {
return endpointreferences;
}
public abstract Collection<Endpoint> getEndpoints();
public List<EndpointListener> getListeners() {
return listeners;
}
/**
* Check if a serviceURI matches the given endpoint URI
* @param serviceURI
* @param endpointURI
* @return
*/
protected boolean matches(String serviceURI, String endpointURI) {
String[] parts1 = parseServiceURI(serviceURI);
String[] parts2 = parseStructuralURI(endpointURI);
for (int i = 0; i < parts1.length; i++) {
if (parts1[i] == null || parts1[i].equals(parts2[i])) {
continue;
} else {
return false;
}
}
return true;
}
/**
* Parse the service URI into an array of names. The service URI is in one of the following formats:
* <ul>
* <li>componentName
* <li>componentName/serviceName
* <li>componentName/serviceName/bindingName
* </ul>
* @param serviceURI
* @return
*/
protected String[] parseServiceURI(String serviceURI) {
if (serviceURI.contains("#")) {
return parseStructuralURI(serviceURI);
}
String[] names = new String[3];
String[] segments = serviceURI.split("/");
for (int i = 0; i < names.length && i < segments.length; i++) {
names[i] = segments[i];
}
return names;
}
/**
* Parse the structural URI into an array of parts (componentURI, serviceName, bindingName)
* @param structuralURI
* @return [0]: componentURI [1]: serviceName [2]: bindingName
*/
protected String[] parseStructuralURI(String structuralURI) {
String[] names = new String[3];
int index = structuralURI.lastIndexOf('#');
if (index == -1) {
names[0] = structuralURI;
} else {
names[0] = structuralURI.substring(0, index);
String str = structuralURI.substring(index + 1);
if (str.startsWith("service-binding(") && str.endsWith(")")) {
str = str.substring("service-binding(".length(), str.length() - 1);
String[] parts = str.split("/");
if (parts.length != 2) {
throw new IllegalArgumentException("Invalid service-binding URI: " + structuralURI);
}
names[1] = parts[0];
names[2] = parts[1];
} else if (str.startsWith("service(") && str.endsWith(")")) {
str = str.substring("service(".length(), str.length() - 1);
names[1] = str;
} else {
throw new IllegalArgumentException("Invalid structural URI: " + structuralURI);
}
}
return names;
}
public abstract void removeEndpoint(Endpoint endpoint);
public void removeEndpointReference(EndpointReference endpointReference) {
endpointreferences.remove(endpointReference);
logger.fine("Remove endpoint reference - " + endpointReference);
}
public void removeListener(EndpointListener listener) {
listeners.remove(listener);
}
public String getDomainName() {
return domainURI;
}
}
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