netconf/sal-netconf-connector/src/main/java/org/opendaylight/netconf/sal/connect/netconf/sal/NetconfKeystoreAdapter.java

   1 /*
   2  * Copyright (c) 2017 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.netconf.sal.connect.netconf.sal;
  10
  11 import java.util.Collection;
  12 import java.util.Collections;
  13 import java.util.HashMap;
  14 import java.util.Map;
  15 import java.util.Optional;
  16 import javax.annotation.Nonnull;
  17 import org.opendaylight.controller.md.sal.binding.api.ClusteredDataTreeChangeListener;
  18 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  19 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  20 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  21 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.keystore.rev171017.Keystore;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.keystore.rev171017.keystore.entry.KeyCredential;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 public class NetconfKeystoreAdapter implements ClusteredDataTreeChangeListener<Keystore> {
  29
  30     private static final Logger LOG = LoggerFactory.getLogger(NetconfKeystoreAdapter.class);
  31
  32     private final InstanceIdentifier<Keystore> keystoreIid = InstanceIdentifier.create(Keystore.class);
  33
  34     private final DataBroker dataBroker;
  35     private final Map<String, KeyCredential> pairs = Collections.synchronizedMap(new HashMap<>());
  36
  37     public NetconfKeystoreAdapter(final DataBroker dataBroker) {
  38         this.dataBroker = dataBroker;
  39
  40         dataBroker.registerDataTreeChangeListener(
  41                 new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION, keystoreIid), this);
  42     }
  43
  44     public Optional<KeyCredential> getKeypairFromId(final String keyId) {
  45         final KeyCredential keypair = pairs.get(keyId);
  46         return Optional.ofNullable(keypair);
  47     }
  48
  49     @Override
  50     public void onDataTreeChanged(@Nonnull final Collection<DataTreeModification<Keystore>> changes) {
  51         LOG.debug("Keystore updated: {}", changes);
  52         final Keystore dataAfter = changes.iterator().next().getRootNode().getDataAfter();
  53
  54         pairs.clear();
  55         if (dataAfter != null) {
  56             dataAfter.getKeyCredential().forEach(pair -> pairs.put(pair.getKey().getKeyId(), pair));
  57         }
  58     }
  59 }