opendaylight/netconf/config-netconf-connector/src/main/java/org/opendaylight/controller/netconf/confignetconfconnector/operations/runtimerpc/RuntimeRpcElementResolved.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8
   9 package org.opendaylight.controller.netconf.confignetconfconnector.operations.runtimerpc;
  10
  11 import com.google.common.base.Preconditions;
  12 import com.google.common.base.Strings;
  13 import com.google.common.collect.Maps;
  14 import org.opendaylight.controller.config.api.jmx.ObjectNameUtil;
  15 import org.opendaylight.controller.netconf.confignetconfconnector.mapping.rpc.ModuleRpcs;
  16 import org.opendaylight.controller.netconf.util.xml.XmlNetconfConstants;
  17
  18 import javax.management.ObjectName;
  19 import java.util.HashMap;
  20 import java.util.Map;
  21 import java.util.regex.Matcher;
  22 import java.util.regex.Pattern;
  23
  24 /**
  25  * Represents parsed xpath to runtime bean instance
  26  */
  27 public final class RuntimeRpcElementResolved {
  28     private final String moduleName;
  29     private final String instanceName;
  30     private final String namespace;
  31     private final String runtimeBeanName;
  32     private final Map<String, String> additionalAttributes;
  33
  34     private RuntimeRpcElementResolved(String namespace, String moduleName, String instanceName, String runtimeBeanName,
  35             Map<String, String> additionalAttributes) {
  36         this.moduleName = moduleName;
  37         this.instanceName = instanceName;
  38         this.additionalAttributes = additionalAttributes;
  39         this.namespace = namespace;
  40         this.runtimeBeanName = runtimeBeanName;
  41     }
  42
  43     public String getModuleName() {
  44         return moduleName;
  45     }
  46
  47     public String getInstanceName() {
  48         return instanceName;
  49     }
  50
  51     public String getNamespace() {
  52         return namespace;
  53     }
  54
  55     public String getRuntimeBeanName() {
  56         return runtimeBeanName;
  57     }
  58
  59     public ObjectName getObjectName(ModuleRpcs rpcMapping) {
  60         Map<String, String> additionalAttributesJavaNames = Maps
  61                 .newHashMapWithExpectedSize(additionalAttributes.size());
  62         for (String attributeYangName : additionalAttributes.keySet()) {
  63             String attributeJavaName = rpcMapping.getRbeJavaName(attributeYangName);
  64             Preconditions.checkState(attributeJavaName != null,
  65                     "Cannot find java name for runtime bean wtih yang name %s", attributeYangName);
  66             additionalAttributesJavaNames.put(attributeJavaName, additionalAttributes.get(attributeYangName));
  67         }
  68         return ObjectNameUtil.createRuntimeBeanName(moduleName, instanceName, additionalAttributesJavaNames);
  69     }
  70
  71     private static final String xpathPatternBlueprint = "/" + XmlNetconfConstants.DATA_KEY + "/"
  72             + XmlNetconfConstants.MODULES_KEY + "/" + XmlNetconfConstants.MODULE_KEY + "\\["
  73             + XmlNetconfConstants.NAME_KEY + "='(.+)'\\]/" + XmlNetconfConstants.INSTANCE_KEY + "\\["
  74             + XmlNetconfConstants.NAME_KEY + "='([^']+)'\\](.*)";
  75     private static final Pattern xpathPattern = Pattern.compile(xpathPatternBlueprint);
  76     private static final String additionalPatternBlueprint = "(.+)\\[(.+)='(.+)'\\]";
  77     private static final Pattern additionalPattern = Pattern.compile(additionalPatternBlueprint);
  78
  79     public static RuntimeRpcElementResolved fromXpath(String xpath, String elementName, String namespace) {
  80         Matcher matcher = xpathPattern.matcher(xpath);
  81         Preconditions.checkState(matcher.matches(),
  82                 "Node %s with value '%s' not in required form on rpc element %s, required format is %s",
  83                 RuntimeRpc.CONTEXT_INSTANCE, xpath, elementName, xpathPatternBlueprint);
  84
  85         String moduleName = matcher.group(1);
  86         String instanceName = matcher.group(2);
  87         String additionalString = matcher.group(3);
  88         HashMap<String, String> additionalAttributes = Maps.<String, String> newHashMap();
  89         String runtimeBeanYangName = moduleName;
  90         for (String additionalKeyValue : additionalString.split("/")) {
  91             if (Strings.isNullOrEmpty(additionalKeyValue))
  92                 continue;
  93             matcher = additionalPattern.matcher(additionalKeyValue);
  94             Preconditions
  95                     .checkState(
  96                             matcher.matches(),
  97                             "Attribute %s not in required form on rpc element %s, required format for additional attributes is  %s",
  98                             additionalKeyValue, elementName, additionalPatternBlueprint);
  99             String name = matcher.group(1);
 100             runtimeBeanYangName = name;
 101             additionalAttributes.put(name, matcher.group(3));
 102         }
 103
 104         return new RuntimeRpcElementResolved(namespace, moduleName, instanceName, runtimeBeanYangName,
 105                 additionalAttributes);
 106     }
 107 }