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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.core.assembly.impl;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
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;
import org.apache.tuscany.sca.runtime.EndpointListener;
import org.apache.tuscany.sca.runtime.EndpointRegistry;
/**
* A EndpointRegistry implementation that sees registrations from the same JVM
*/
public class EndpointRegistryImpl implements EndpointRegistry, LifeCycleListener {
private final Logger logger = Logger.getLogger(EndpointRegistryImpl.class.getName());
private List<Endpoint> endpoints = new ArrayList<Endpoint>();
private List<EndpointReference> endpointreferences = new ArrayList<EndpointReference>();
private List<EndpointListener> listeners = new ArrayList<EndpointListener>();
public EndpointRegistryImpl(ExtensionPointRegistry extensionPoints, String endpointRegistryURI, String domainURI) {
}
public synchronized void addEndpoint(Endpoint endpoint) {
endpoints.add(endpoint);
for (EndpointListener listener : listeners) {
listener.endpointAdded(endpoint);
}
logger.info("Add endpoint - " + endpoint.toString());
}
public synchronized void addEndpointReference(EndpointReference endpointReference) {
endpointreferences.add(endpointReference);
logger.fine("Add endpoint reference - " + endpointReference.toString());
}
/**
* Parse the component/service/binding URI into an array of parts (componentURI, serviceName, bindingName)
* @param uri
* @return
*/
private String[] parse(String uri) {
String[] names = new String[3];
int index = uri.lastIndexOf('#');
if (index == -1) {
names[0] = uri;
} else {
names[0] = uri.substring(0, index);
String str = uri.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: " + uri);
}
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 component/service/binding URI: " + uri);
}
}
return names;
}
private boolean matches(String target, String uri) {
String[] parts1 = parse(target);
String[] parts2 = parse(uri);
for (int i = 0; i < parts1.length; i++) {
if (parts1[i] == null || parts1[i].equals(parts2[i])) {
continue;
} else {
return false;
}
}
return true;
}
public synchronized List<Endpoint> findEndpoint(EndpointReference endpointReference) {
List<Endpoint> foundEndpoints = new ArrayList<Endpoint>();
logger.fine("Find endpoint for reference - " + endpointReference.toString());
if (endpointReference.getReference() != null) {
Endpoint targetEndpoint = endpointReference.getTargetEndpoint();
for (Endpoint endpoint : endpoints) {
// TODO: implement more complete matching
if (matches(targetEndpoint.getURI(), endpoint.getURI())) {
foundEndpoints.add(endpoint);
logger.fine("Found endpoint with matching service - " + endpoint);
}
// else the service name doesn't match
}
}
return foundEndpoints;
}
public synchronized List<EndpointReference> findEndpointReference(Endpoint endpoint) {
return null;
}
public synchronized void removeEndpoint(Endpoint endpoint) {
endpoints.remove(endpoint);
endpointRemoved(endpoint);
}
private void endpointRemoved(Endpoint endpoint) {
for (EndpointListener listener : listeners) {
listener.endpointRemoved(endpoint);
}
logger.info("Remove endpoint - " + endpoint.toString());
}
public synchronized void removeEndpointReference(EndpointReference endpointReference) {
endpointreferences.remove(endpointReference);
logger.fine("Remove endpoint reference - " + endpointReference.toString());
}
public synchronized List<EndpointReference> getEndpointRefereneces() {
return endpointreferences;
}
public synchronized List<Endpoint> getEndpoints() {
return endpoints;
}
public synchronized void addListener(EndpointListener listener) {
listeners.add(listener);
}
public synchronized List<EndpointListener> getListeners() {
return listeners;
}
public synchronized void removeListener(EndpointListener listener) {
listeners.remove(listener);
}
public synchronized Endpoint getEndpoint(String uri) {
for (Endpoint ep : endpoints) {
String epURI =
ep.getComponent().getURI() + "#" + ep.getService().getName() + "/" + ep.getBinding().getName();
if (epURI.equals(uri)) {
return ep;
}
if (ep.getBinding().getName() == null || ep.getBinding().getName().equals(ep.getService().getName())) {
epURI = ep.getComponent().getURI() + "#" + ep.getService().getName();
if (epURI.equals(uri)) {
return ep;
}
}
}
return null;
}
public synchronized void updateEndpoint(String uri, Endpoint endpoint) {
Endpoint oldEndpoint = getEndpoint(uri);
if (oldEndpoint == null) {
throw new IllegalArgumentException("Endpoint is not found: " + uri);
}
endpoints.remove(oldEndpoint);
endpoints.add(endpoint);
for (EndpointListener listener : listeners) {
listener.endpointUpdated(oldEndpoint, endpoint);
}
}
public synchronized void start() {
}
public synchronized void stop() {
for (Iterator<Endpoint> i = endpoints.iterator(); i.hasNext();) {
Endpoint ep = i.next();
i.remove();
endpointRemoved(ep);
}
endpointreferences.clear();
listeners.clear();
}
}
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