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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.domain.node;
import java.net.URI;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.tuscany.sca.assembly.Endpoint;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.node.Node;
import org.apache.tuscany.sca.node.NodeFactory;
import org.apache.tuscany.sca.node.configuration.NodeConfiguration;
import org.apache.tuscany.sca.node.impl.NodeImpl;
import org.apache.tuscany.sca.runtime.DomainRegistryFactory;
import org.apache.tuscany.sca.runtime.EndpointRegistry;
import org.apache.tuscany.sca.runtime.ExtensibleDomainRegistryFactory;
import org.oasisopen.sca.NoSuchDomainException;
import org.oasisopen.sca.NoSuchServiceException;
import org.oasisopen.sca.client.SCAClientFactory;
public class DomainNode {
private static final String DEFAULT_DOMAIN_SCHEME = "vm";
private static final String DEFAULT_DOMAIN_NAME = "defaultDomain";
private static final String DEFAULT_CONFIG_URI = DEFAULT_DOMAIN_SCHEME + "://" + DEFAULT_DOMAIN_NAME;
private String domainName;
private String domainRegistryURI;
private Map<String, Node> nodes = new HashMap<String, Node>();
public DomainNode() {
this(DEFAULT_CONFIG_URI, new String[]{});
}
public DomainNode(String... contributionLocations) {
this(DEFAULT_CONFIG_URI, contributionLocations);
}
public DomainNode(String configURI, String[] contributionLocations) {
this.domainRegistryURI = configURI;
initDomainName(configURI);
if (contributionLocations == null || contributionLocations.length == 0) {
addContribution(null, "_null");
} else {
for (String loc : contributionLocations) {
addContribution(loc);
}
}
}
public void stop() {
for (Node node : nodes.values()) {
node.stop();
}
}
public String addContribution(String location) {
String uri = location;
addContribution(uri, location);
return uri;
}
public void addContribution(String location, String uri) {
if (nodes.containsKey(uri)) {
throw new IllegalArgumentException("contribution already added: " + uri);
}
NodeConfiguration configuration = NodeFactory.getInstance().createNodeConfiguration();
if (location != null) {
configuration.addContribution(uri, location);
}
configuration.setDomainRegistryURI(domainRegistryURI);
configuration.setDomainURI(domainName);
configuration.setURI(uri); //???
Node node = NodeFactory.getInstance().createNode(configuration).start();
nodes.put(uri, node);
}
public void removeContribution(String uri) {
if (!nodes.containsKey(uri)) {
throw new IllegalArgumentException("contribution not found: " + uri);
}
Node node = nodes.remove(uri);
node.stop();
}
public String getDomainName() {
return domainName;
}
public String getDomainConfigURI() {
return domainRegistryURI;
}
public List<String> getServiceNames() {
List<String> serviceNames = new ArrayList<String>();
if (nodes.size() > 0) {
ExtensionPointRegistry extensionsRegistry = ((NodeImpl)nodes.values().iterator().next()).getExtensionPointRegistry();
DomainRegistryFactory domainRegistryFactory = ExtensibleDomainRegistryFactory.getInstance(extensionsRegistry);
EndpointRegistry endpointRegistry = domainRegistryFactory.getEndpointRegistry(getDomainConfigURI(), getDomainName());
for (Endpoint endpoint : endpointRegistry.getEndpoints()) {
// Would be nice if Endpoint.getURI() returned this:
String name = endpoint.getComponent().getName() + "/" + endpoint.getService().getName();
if (endpoint.getBinding() != null) {
// TODO: shouldn't the binding name be null if its not explicitly specified?
// For now don't include it if the same as the default
if (!endpoint.getService().getName().equals(endpoint.getBinding().getName())) {
name += "/" + endpoint.getBinding().getName();
}
}
serviceNames.add(name);
}
}
return serviceNames;
}
public <T> T getService(Class<T> interfaze, String uri) throws NoSuchServiceException {
try {
return SCAClientFactory.newInstance(URI.create(getDomainName())).getService(interfaze, uri);
} catch (NoSuchDomainException e) {
throw new IllegalStateException(e);
}
}
protected void initDomainName(String configURI) {
// URI uri = URI.create(fixScheme(configURI));
// String dn = uri.getHost();
// if (dn == null || dn.length() < 1) {
// dn = DEFAULT_DOMAIN_NAME;
// }
if (configURI.startsWith("tuscany:vm:")) {
domainName = configURI.substring("tuscany:vm:".length());
} else if (configURI.startsWith("tuscany:")) {
int i = configURI.indexOf('?');
if (i == -1) {
domainName = configURI.substring("tuscany:".length());
} else{
domainName = configURI.substring("tuscany:".length(), i);
}
} else {
domainName = configURI;
}
}
/**
* I keep typing the scheme part with just a colon instead of colon slash slash
* which URI doesn't parse properly which irritates me so fix it up here
*/
protected String fixScheme(String uri) {
int i = uri.indexOf(":");
if (i > -1 && uri.charAt(i+1) != '/') {
uri = uri.replaceFirst(":", ":/");
}
if (i > -1 && uri.charAt(i+2) != '/') {
uri = uri.replaceFirst(":/", "://");
}
return uri;
}
}
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