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Diffstat (limited to 'branches/sca-java-1.0/modules/domain-impl/src/main/java/org/apache/tuscany/sca/domain/impl/SCADomainServiceImpl.java')
| -rw-r--r-- | branches/sca-java-1.0/modules/domain-impl/src/main/java/org/apache/tuscany/sca/domain/impl/SCADomainServiceImpl.java | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/branches/sca-java-1.0/modules/domain-impl/src/main/java/org/apache/tuscany/sca/domain/impl/SCADomainServiceImpl.java b/branches/sca-java-1.0/modules/domain-impl/src/main/java/org/apache/tuscany/sca/domain/impl/SCADomainServiceImpl.java new file mode 100644 index 0000000000..2f73809a89 --- /dev/null +++ b/branches/sca-java-1.0/modules/domain-impl/src/main/java/org/apache/tuscany/sca/domain/impl/SCADomainServiceImpl.java @@ -0,0 +1,200 @@ +/*
+ * 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.domain.impl;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.apache.tuscany.sca.domain.SCADomainService;
+import org.apache.tuscany.sca.domain.ServiceInfo;
+import org.osoa.sca.annotations.Scope;
+
+
+/**
+ * Stores details of services exposed and retrieves details of remote services
+ *
+ * @version $Rev: 552343 $ $Date: 2007-09-07 12:41:52 +0100 (Fri, 07 Sep 2007) $
+ */
+@Scope("COMPOSITE")
+public class SCADomainServiceImpl implements SCADomainService {
+
+ private final static Logger logger = Logger.getLogger(SCADomainServiceImpl.class.getName());
+
+ List<ServiceEndpoint> serviceEndpoints = new ArrayList<ServiceEndpoint>();
+
+ public class ServiceEndpoint {
+ public String domainUri;
+ public String nodeUri;
+ public String serviceName;
+ public String bindingName;
+ public String url;
+
+ public ServiceEndpoint(String domainUri, String nodeUri, String serviceName, String bindingName, String URL){
+ this.domainUri = domainUri;
+ this.nodeUri = nodeUri;
+ this.serviceName = serviceName;
+ this.bindingName = bindingName;
+ this.url = URL;
+ }
+
+ public boolean match(String domainUri, String serviceName, String bindingName) {
+ // trap the case where the we are trying to map
+ // ComponentName/Service name with a registered ComponentName - this is OK
+ // ComponentName with a registered ComponentName/ServiceName - this should fail
+
+ boolean serviceNameMatch = false;
+
+ if (this.serviceName.equals(serviceName)) {
+ serviceNameMatch = true;
+ } else {
+ int s = serviceName.indexOf('/');
+ if ((s != -1) &&
+ (this.serviceName.equals(serviceName.substring(0, s)))){
+ serviceNameMatch = true;
+ }
+ }
+
+ return ((this.domainUri.equals(domainUri)) &&
+ (serviceNameMatch) &&
+ (this.bindingName.equals(bindingName)));
+ }
+
+ public String getUrl() {
+ return url;
+ }
+
+ @Override
+ public String toString (){
+ return "[" +
+ domainUri + " " +
+ nodeUri + " " +
+ serviceName + " " +
+ bindingName + " " +
+ url +
+ "]";
+ }
+ }
+
+ /**
+ * Accepts information about a service endpoint and holds onto it
+ *
+ * @param domainUri the string uri for the distributed domain
+ * @param nodeUri the string uri for the current node
+ * @param serviceName the name of the service that is exposed and the provided endpoint
+ * @param bindingName the remote binding that is providing the endpoint
+ * @param url the enpoint url
+ */
+ public String registerServiceEndpoint(String domainUri, String nodeUri, String serviceName, String bindingName, String URL){
+ // if the service name ends in a "/" remove it
+ String modifiedServiceName = null;
+ if ( serviceName.endsWith("/") ) {
+ modifiedServiceName = serviceName.substring(0, serviceName.length() - 1);
+ } else {
+ modifiedServiceName = serviceName;
+ }
+
+
+ ServiceEndpoint serviceEndpoint = new ServiceEndpoint (domainUri, nodeUri, modifiedServiceName, bindingName, URL);
+ serviceEndpoints.add(serviceEndpoint);
+ logger.log(Level.INFO, "Registered service: " + serviceEndpoint.toString());
+ return "";
+ }
+
+ /**
+ * Removes information about a service endpoint
+ *
+ * @param domainUri the string uri for the distributed domain
+ * @param nodeUri the string uri for the current node
+ * @param serviceName the name of the service that is exposed and the provided endpoint
+ * @param bindingName the remote binding that is providing the endpoint
+ */
+ public String removeServiceEndpoint(String domainUri, String nodeUri, String serviceName, String bindingName){
+
+ List<ServiceEndpoint> serviceEndpointsToRemove = new ArrayList<ServiceEndpoint>();
+
+ for(ServiceEndpoint serviceEndpoint : serviceEndpoints){
+ if ( serviceEndpoint.match(domainUri, serviceName, bindingName)){
+ serviceEndpointsToRemove.add(serviceEndpoint);
+ }
+ }
+
+ for(ServiceEndpoint serviceEndpointToRemove : serviceEndpointsToRemove){
+ serviceEndpoints.remove(serviceEndpointToRemove);
+ logger.log(Level.INFO, "Removed service: " + serviceName );
+ }
+
+ return "";
+ }
+
+ /**
+ * Locates information about a service endpoint
+ *
+ * @param domainUri the string uri for the distributed domain
+ * @param serviceName the name of the service that is exposed and the provided endpoint
+ * @param bindingName the remote binding that we want to find an endpoint for
+ * @return url the endpoint url
+ */
+ public String findServiceEndpoint(String domainUri, String serviceName, String bindingName){
+ logger.log(Level.INFO, "Finding service: [" +
+ domainUri + " " +
+ serviceName + " " +
+ bindingName +
+ "]");
+
+ String url = "";
+
+ for(ServiceEndpoint serviceEndpoint : serviceEndpoints){
+ if ( serviceEndpoint.match(domainUri, serviceName, bindingName)){
+ url = serviceEndpoint.getUrl();
+ // if you want to temporarily modify the registered port
+ // numbers for debugging uncomment this line
+ //url = replacePort(url, "8085", "8086");
+ logger.log(Level.INFO, "Found service url: " + url);
+ }
+ }
+ return url;
+ }
+
+ /**
+ * Converts a port number to something else to allow for debugging using a
+ * HTTP sniffer
+ * @param url
+ * @param fromPort the port to look for
+ * @param toPort the port to replace it with
+ * @return the new url
+ */
+ private String replacePort(String url, String fromPort, String toPort) {
+ return url.replace(fromPort, toPort);
+ }
+
+ public ServiceInfo getServiceInfo(){
+
+ ServiceEndpoint serviceEndpoint = serviceEndpoints.get(0);
+
+ return new ServiceInfoImpl(serviceEndpoint.domainUri,
+ serviceEndpoint.nodeUri,
+ serviceEndpoint.serviceName,
+ serviceEndpoint.bindingName,
+ serviceEndpoint.url);
+ }
+
+}
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