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
  15 import org.opendaylight.controller.config.api.jmx.ObjectNameUtil;
  16 import org.opendaylight.controller.netconf.api.xml.XmlNetconfConstants;
  17 import org.opendaylight.controller.netconf.confignetconfconnector.mapping.rpc.ModuleRpcs;
  18
  19 import javax.management.ObjectName;
  20
  21 import java.util.HashMap;
  22 import java.util.Map;
  23 import java.util.regex.Matcher;
  24 import java.util.regex.Pattern;
  25
  26 /**
  27  * Represents parsed xpath to runtime bean instance
  28  */
  29 public final class RuntimeRpcElementResolved {
  30     private final String moduleName;
  31     private final String instanceName;
  32     private final String namespace;
  33     private final String runtimeBeanName;
  34     private final Map<String, String> additionalAttributes;
  35
  36     private RuntimeRpcElementResolved(String namespace, String moduleName, String instanceName, String runtimeBeanName,
  37             Map<String, String> additionalAttributes) {
  38         this.moduleName = Preconditions.checkNotNull(moduleName, "Module name");
  39         this.instanceName =  Preconditions.checkNotNull(instanceName, "Instance name");
  40         this.additionalAttributes = additionalAttributes;
  41         this.namespace = Preconditions.checkNotNull(namespace, "Namespace");
  42         this.runtimeBeanName = Preconditions.checkNotNull(runtimeBeanName, "Runtime bean name");
  43     }
  44
  45     public String getModuleName() {
  46         return moduleName;
  47     }
  48
  49     public String getInstanceName() {
  50         return instanceName;
  51     }
  52
  53     public String getNamespace() {
  54         return namespace;
  55     }
  56
  57     public String getRuntimeBeanName() {
  58         return runtimeBeanName;
  59     }
  60
  61     public ObjectName getObjectName(ModuleRpcs rpcMapping) {
  62         Map<String, String> additionalAttributesJavaNames = Maps
  63                 .newHashMapWithExpectedSize(additionalAttributes.size());
  64         for (String attributeYangName : additionalAttributes.keySet()) {
  65             String attributeJavaName = rpcMapping.getRbeJavaName(attributeYangName);
  66             Preconditions.checkState(attributeJavaName != null,
  67                     "Cannot find java name for runtime bean wtih yang name %s", attributeYangName);
  68             additionalAttributesJavaNames.put(attributeJavaName, additionalAttributes.get(attributeYangName));
  69         }
  70         return ObjectNameUtil.createRuntimeBeanName(moduleName, instanceName, additionalAttributesJavaNames);
  71     }
  72
  73     private static final String xpathPatternBlueprint =
  74             "/" + XmlNetconfConstants.MODULES_KEY
  75             + "/" + XmlNetconfConstants.MODULE_KEY
  76             + "\\["
  77
  78             + "(?<key1>type|name)"
  79             + "='(?<value1>[^']+)'"
  80             + "( and |\\]\\[)"
  81             + "(?<key2>type|name)"
  82             + "='(?<value2>[^']+)'"
  83
  84             + "\\]"
  85             + "(?<additional>.*)";
  86
  87     private static final Pattern xpathPattern = Pattern.compile(xpathPatternBlueprint);
  88     private static final String additionalPatternBlueprint = "(?<additionalKey>.+)\\[(.+)='(?<additionalValue>.+)'\\]";
  89     private static final Pattern additionalPattern = Pattern.compile(additionalPatternBlueprint);
  90
  91     public static RuntimeRpcElementResolved fromXpath(String xpath, String elementName, String namespace) {
  92         Matcher matcher = xpathPattern.matcher(xpath);
  93         Preconditions.checkState(matcher.matches(),
  94                 "Node %s with value '%s' not in required form on rpc element %s, required format is %s",
  95                 RuntimeRpc.CONTEXT_INSTANCE, xpath, elementName, xpathPatternBlueprint);
  96
  97         PatternGroupResolver groups = new PatternGroupResolver(matcher.group("key1"), matcher.group("value1"),
  98                 matcher.group("value2"), matcher.group("additional"));
  99
 100         String moduleName = groups.getModuleName();
 101         String instanceName = groups.getInstanceName();
 102
 103         Map<String, String> additionalAttributes = groups.getAdditionalKeys(elementName, moduleName);
 104
 105         return new RuntimeRpcElementResolved(namespace, moduleName, instanceName, groups.getRuntimeBeanYangName(),
 106                 additionalAttributes);
 107     }
 108
 109     private static final class PatternGroupResolver {
 110
 111         private final String key1, value1, value2;
 112         private final String additional;
 113         private String runtimeBeanYangName;
 114
 115         PatternGroupResolver(String key1, String value1,  String value2, String additional) {
 116             this.key1 = Preconditions.checkNotNull(key1);
 117             this.value1 = Preconditions.checkNotNull(value1);
 118
 119             this.value2 = Preconditions.checkNotNull(value2);
 120
 121             this.additional = Preconditions.checkNotNull(additional);
 122         }
 123
 124         String getModuleName() {
 125             return key1.equals(XmlNetconfConstants.TYPE_KEY) ? value1 : value2;
 126         }
 127
 128         String getInstanceName() {
 129             return key1.equals(XmlNetconfConstants.NAME_KEY) ? value1 : value2;
 130         }
 131
 132         Map<String, String> getAdditionalKeys(String elementName, String moduleName) {
 133             HashMap<String, String> additionalAttributes = Maps.newHashMap();
 134
 135             runtimeBeanYangName = moduleName;
 136             for (String additionalKeyValue : additional.split("/")) {
 137                 if (Strings.isNullOrEmpty(additionalKeyValue)){
 138                     continue;
 139                 }
 140                 Matcher matcher = additionalPattern.matcher(additionalKeyValue);
 141                 Preconditions
 142                         .checkState(
 143                                 matcher.matches(),
 144                                 "Attribute %s not in required form on rpc element %s, required format for additional attributes is  %s",
 145                                 additionalKeyValue, elementName, additionalPatternBlueprint);
 146                 String name = matcher.group("additionalKey");
 147                 runtimeBeanYangName = name;
 148                 additionalAttributes.put(name, matcher.group("additionalValue"));
 149             }
 150             return additionalAttributes;
 151         }
 152
 153         private String getRuntimeBeanYangName() {
 154             Preconditions.checkState(runtimeBeanYangName!=null);
 155             return runtimeBeanYangName;
 156         }
 157     }
 158 }