opendaylight/networkconfiguration/neutron/implementation/src/main/java/org/opendaylight/controller/networkconfig/neutron/implementation/NeutronSecurityRuleInterface.java

   1 /*
   2  * Copyright (C) 2014 Red Hat, Inc.
   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
  10 package org.opendaylight.controller.networkconfig.neutron.implementation;
  11
  12 import java.lang.reflect.Method;
  13 import java.util.ArrayList;
  14 import java.util.HashSet;
  15 import java.util.Map.Entry;
  16 import java.util.List;
  17 import java.util.Set;
  18 import java.util.concurrent.ConcurrentHashMap;
  19 import java.util.concurrent.ConcurrentMap;
  20
  21 import org.opendaylight.controller.networkconfig.neutron.INeutronSecurityRuleCRUD;
  22 import org.opendaylight.controller.networkconfig.neutron.NeutronSecurityRule;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26
  27 public class NeutronSecurityRuleInterface implements INeutronSecurityRuleCRUD {
  28     private static final Logger logger = LoggerFactory.getLogger(NeutronSecurityRuleInterface.class);
  29     private ConcurrentMap<String, NeutronSecurityRule> securityRuleDB  = new ConcurrentHashMap<String, NeutronSecurityRule>();
  30
  31     // this method uses reflection to update an object from it's delta.
  32     private boolean overwrite(Object target, Object delta) {
  33         Method[] methods = target.getClass().getMethods();
  34
  35         for (Method toMethod : methods) {
  36             if (toMethod.getDeclaringClass().equals(target.getClass())
  37                 && toMethod.getName().startsWith("set")) {
  38
  39                 String toName = toMethod.getName();
  40                 String fromName = toName.replace("set", "get");
  41
  42                 try {
  43                     Method fromMethod = delta.getClass().getMethod(fromName);
  44                     Object value = fromMethod.invoke(delta, (Object[]) null);
  45                     if (value != null) {
  46                         toMethod.invoke(target, value);
  47                     }
  48                 } catch (Exception e) {
  49                     e.printStackTrace();
  50                     return false;
  51                 }
  52             }
  53         }
  54         return true;
  55     }
  56
  57     @Override
  58     public boolean neutronSecurityRuleExists(String uuid) {
  59         return securityRuleDB.containsKey(uuid);
  60     }
  61
  62     @Override
  63     public NeutronSecurityRule getNeutronSecurityRule(String uuid) {
  64         if (!neutronSecurityRuleExists(uuid)) {
  65             logger.debug("No Security Rules Have Been Defined");
  66             return null;
  67         }
  68         return securityRuleDB.get(uuid);
  69     }
  70
  71     @Override
  72     public List<NeutronSecurityRule> getAllNeutronSecurityRules() {
  73         Set<NeutronSecurityRule> allSecurityRules = new HashSet<NeutronSecurityRule>();
  74         for (Entry<String, NeutronSecurityRule> entry : securityRuleDB.entrySet()) {
  75             NeutronSecurityRule securityRule = entry.getValue();
  76             allSecurityRules.add(securityRule);
  77         }
  78         logger.debug("Exiting getSecurityRule, Found {} OpenStackSecurityRule", allSecurityRules.size());
  79         List<NeutronSecurityRule> ans = new ArrayList<NeutronSecurityRule>();
  80         ans.addAll(allSecurityRules);
  81         return ans;
  82     }
  83
  84     @Override
  85     public boolean addNeutronSecurityRule(NeutronSecurityRule input) {
  86         if (neutronSecurityRuleExists(input.getSecurityRuleUUID())) {
  87             return false;
  88         }
  89         securityRuleDB.putIfAbsent(input.getSecurityRuleUUID(), input);
  90         return true;
  91     }
  92
  93     @Override
  94     public boolean removeNeutronSecurityRule(String uuid) {
  95         if (!neutronSecurityRuleExists(uuid)) {
  96             return false;
  97         }
  98         securityRuleDB.remove(uuid);
  99         return true;
 100     }
 101
 102     @Override
 103     public boolean updateNeutronSecurityRule(String uuid, NeutronSecurityRule delta) {
 104         if (!neutronSecurityRuleExists(uuid)) {
 105             return false;
 106         }
 107         NeutronSecurityRule target = securityRuleDB.get(uuid);
 108         return overwrite(target, delta);
 109     }
 110
 111     @Override
 112     public boolean neutronSecurityRuleInUse(String securityRuleUUID) {
 113         return !neutronSecurityRuleExists(securityRuleUUID);
 114     }
 115
 116 }