2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.controller.netconf.confignetconfconnector.mapping.config;
11 import com.google.common.base.Preconditions;
12 import com.google.common.collect.Maps;
13 import org.opendaylight.controller.config.api.jmx.ObjectNameUtil;
14 import org.opendaylight.controller.netconf.confignetconfconnector.mapping.attributes.fromxml.ObjectNameAttributeReadingStrategy;
15 import org.opendaylight.controller.netconf.util.xml.XmlElement;
16 import org.opendaylight.controller.netconf.util.xml.XmlNetconfConstants;
17 import org.opendaylight.controller.netconf.util.xml.XmlUtil;
18 import org.slf4j.Logger;
19 import org.slf4j.LoggerFactory;
20 import org.w3c.dom.Document;
21 import org.w3c.dom.Element;
23 import javax.management.ObjectName;
24 import java.util.List;
26 import java.util.Map.Entry;
27 import java.util.regex.Matcher;
28 import java.util.regex.Pattern;
30 public final class Services {
32 private static final Logger logger = LoggerFactory.getLogger(Services.class);
34 private static final String PROVIDER_KEY = "provider";
35 private static final String NAME_KEY = "name";
36 public static final String TYPE_KEY = "type";
37 public static final String SERVICE_KEY = "service";
39 private final Map<String /*Namespace*/, Map<String/* ServiceName */, Map<String/* refName */, ServiceInstance>>> namespaceToServiceNameToRefNameToInstance = Maps
45 public Map<String, Map<String, Map<String, ServiceInstance>>> getNamespaceToServiceNameToRefNameToInstance() {
46 return namespaceToServiceNameToRefNameToInstance;
49 private static Services resolveServices(Map<String, Map<String, Map<String, String>>> mappedServices) {
50 Services tracker = new Services();
52 for (Entry<String, Map<String, Map<String, String>>> namespaceEntry : mappedServices.entrySet()) {
53 String namespace = namespaceEntry.getKey();
55 for (Entry<String, Map<String, String>> serviceEntry : namespaceEntry.getValue().entrySet()) {
57 String serviceName = serviceEntry.getKey();
58 for (Entry<String, String> refEntry : serviceEntry.getValue().entrySet()) {
60 Map<String, Map<String, ServiceInstance>> namespaceToServices = tracker.namespaceToServiceNameToRefNameToInstance.get(namespace);
61 if (namespaceToServices == null) {
62 namespaceToServices = Maps.newHashMap();
63 tracker.namespaceToServiceNameToRefNameToInstance.put(namespace, namespaceToServices);
66 Map<String, ServiceInstance> refNameToInstance = namespaceToServices
68 if (refNameToInstance == null) {
69 refNameToInstance = Maps.newHashMap();
70 namespaceToServices.put(serviceName, refNameToInstance);
73 String refName = refEntry.getKey();
75 ServiceInstance serviceInstance = ServiceInstance.fromString(refEntry.getValue());
76 refNameToInstance.put(refName, serviceInstance);
84 // TODO support edit strategies on services
86 public static Services fromXml(XmlElement xml) {
87 Map<String, Map<String, Map<String, String>>> retVal = Maps.newHashMap();
89 List<XmlElement> services = xml.getChildElements(SERVICE_KEY);
90 xml.checkUnrecognisedElements(services);
92 for (XmlElement service : services) {
94 XmlElement typeElement = service.getOnlyChildElement(TYPE_KEY);
95 Entry<String, String> prefixNamespace = typeElement.findNamespaceOfTextContent();
97 Preconditions.checkState(prefixNamespace.getKey()!=null && prefixNamespace.getKey().equals("") == false, "Type attribute was not prefixed");
99 Map<String, Map<String, String>> namespaceToServices = retVal.get(prefixNamespace.getValue());
100 if(namespaceToServices == null) {
101 namespaceToServices = Maps.newHashMap();
102 retVal.put(prefixNamespace.getValue(), namespaceToServices);
105 String serviceName = ObjectNameAttributeReadingStrategy.checkPrefixAndExtractServiceName(typeElement, prefixNamespace);
107 Map<String, String> innerMap = Maps.newHashMap();
108 namespaceToServices.put(serviceName, innerMap);
110 List<XmlElement> instances = service.getChildElements(XmlNetconfConstants.INSTANCE_KEY);
111 service.checkUnrecognisedElements(instances, typeElement);
113 for (XmlElement instance : instances) {
114 XmlElement nameElement = instance.getOnlyChildElement(NAME_KEY);
115 String refName = nameElement.getTextContent();
117 XmlElement providerElement = instance.getOnlyChildElement(PROVIDER_KEY);
118 String providerName = providerElement.getTextContent();
120 instance.checkUnrecognisedElements(nameElement, providerElement);
122 innerMap.put(refName, providerName);
126 return resolveServices(retVal);
129 public static Element toXml(ServiceRegistryWrapper serviceRegistryWrapper, Document document) {
130 Element root = document.createElement(XmlNetconfConstants.SERVICES_KEY);
131 XmlUtil.addNamespaceAttr(root, XmlNetconfConstants.URN_OPENDAYLIGHT_PARAMS_XML_NS_YANG_CONTROLLER_CONFIG);
133 Map<String, Map<String, Map<String, String>>> mappedServices = serviceRegistryWrapper.getMappedServices();
134 for (String namespace : mappedServices.keySet()) {
136 for (Entry<String, Map<String, String>> serviceEntry : mappedServices.get(namespace).entrySet()) {
137 Element serviceElement = document.createElement(SERVICE_KEY);
138 root.appendChild(serviceElement);
140 Element typeElement = XmlUtil.createPrefixedTextElement(document, TYPE_KEY, XmlNetconfConstants.PREFIX,
141 serviceEntry.getKey());
142 XmlUtil.addPrefixedNamespaceAttr(typeElement, XmlNetconfConstants.PREFIX, namespace);
143 serviceElement.appendChild(typeElement);
145 for (Entry<String, String> instanceEntry : serviceEntry.getValue().entrySet()) {
146 Element instanceElement = document.createElement(XmlNetconfConstants.INSTANCE_KEY);
147 serviceElement.appendChild(instanceElement);
149 Element nameElement = XmlUtil.createTextElement(document, NAME_KEY, instanceEntry.getKey());
150 instanceElement.appendChild(nameElement);
152 Element providerElement = XmlUtil.createTextElement(document, PROVIDER_KEY, instanceEntry.getValue());
153 instanceElement.appendChild(providerElement);
161 public static final class ServiceInstance {
162 public ServiceInstance(String moduleName, String instanceName) {
163 this.moduleName = moduleName;
164 this.instanceName = instanceName;
167 public static ServiceInstance fromString(String instanceId) {
168 instanceId = instanceId.trim();
169 Matcher matcher = p.matcher(instanceId);
170 if(matcher.matches() == false) {
171 matcher = pDeprecated.matcher(instanceId);
174 Preconditions.checkArgument(matcher.matches(), "Unexpected format for provider, expected " + p.toString()
175 + " or " + pDeprecated.toString() + " but was " + instanceId);
177 String factoryName = matcher.group(1);
178 String instanceName = matcher.group(2);
179 return new ServiceInstance(factoryName, instanceName);
182 private final String moduleName, instanceName;
183 private String serviceName;
185 public String getServiceName() {
189 public void setServiceName(String serviceName) {
190 this.serviceName = serviceName;
193 public String getModuleName() {
197 public String getInstanceName() {
201 private static final String blueprint = "/"
202 + XmlNetconfConstants.MODULES_KEY + "/" + XmlNetconfConstants.MODULE_KEY + "["
203 + XmlNetconfConstants.TYPE_KEY + "='%s']["
204 + XmlNetconfConstants.NAME_KEY + "='%s']";
206 // TODO unify with xpath in RuntimeRpc
208 // Previous version of xpath, needs to be supported for backwards compatibility (persisted configs by config-persister)
209 private static final String blueprintRDeprecated = "/" + XmlNetconfConstants.CONFIG_KEY + "/"
210 + XmlNetconfConstants.MODULES_KEY + "/" + XmlNetconfConstants.MODULE_KEY + "\\["
211 + XmlNetconfConstants.NAME_KEY + "='%s'\\]/" + XmlNetconfConstants.INSTANCE_KEY + "\\["
212 + XmlNetconfConstants.NAME_KEY + "='%s'\\]";
214 private static final String blueprintR = "/"
215 + XmlNetconfConstants.MODULES_KEY + "/" + XmlNetconfConstants.MODULE_KEY + "\\["
216 + XmlNetconfConstants.TYPE_KEY + "='%s'\\]\\["
217 + XmlNetconfConstants.NAME_KEY + "='%s'\\]";
219 private static final Pattern pDeprecated = Pattern.compile(String.format(blueprintRDeprecated, "(.+)", "(.+)"));
220 private static final Pattern p = Pattern.compile(String.format(blueprintR, "(.+)", "(.+)"));
223 public String toString() {
224 return String.format(blueprint, moduleName, instanceName);
228 public int hashCode() {
229 final int prime = 31;
231 result = prime * result + ((instanceName == null) ? 0 : instanceName.hashCode());
232 result = prime * result + ((moduleName == null) ? 0 : moduleName.hashCode());
237 public boolean equals(Object obj) {
242 if (getClass() != obj.getClass())
244 ServiceInstance other = (ServiceInstance) obj;
245 if (instanceName == null) {
246 if (other.instanceName != null)
248 } else if (!instanceName.equals(other.instanceName))
250 if (moduleName == null) {
251 if (other.moduleName != null)
253 } else if (!moduleName.equals(other.moduleName))
258 public ObjectName getObjectName(String transactionName) {
259 return ObjectNameUtil.createTransactionModuleON(transactionName, moduleName, instanceName);
262 public static ServiceInstance fromObjectName(ObjectName on) {
263 return new ServiceInstance(ObjectNameUtil.getFactoryName(on), ObjectNameUtil.getInstanceName(on));