plugins/netconf-client-mdsal/src/main/java/org/opendaylight/netconf/client/mdsal/impl/DefaultCredentialProvider.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 package org.opendaylight.netconf.client.mdsal.impl;
   9
  10 import java.util.Map;
  11 import javax.annotation.PreDestroy;
  12 import javax.inject.Inject;
  13 import javax.inject.Singleton;
  14 import org.eclipse.jdt.annotation.NonNull;
  15 import org.opendaylight.mdsal.binding.api.DataBroker;
  16 import org.opendaylight.mdsal.binding.api.DataListener;
  17 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
  18 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  19 import org.opendaylight.netconf.client.mdsal.api.CredentialProvider;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.keystore.rev171017.Keystore;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.keystore.rev171017.keystore.entry.KeyCredential;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.keystore.rev171017.keystore.entry.KeyCredentialKey;
  23 import org.opendaylight.yangtools.concepts.Registration;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25 import org.osgi.service.component.annotations.Activate;
  26 import org.osgi.service.component.annotations.Component;
  27 import org.osgi.service.component.annotations.Deactivate;
  28 import org.osgi.service.component.annotations.Reference;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 @Singleton
  33 @Component(service = CredentialProvider.class)
  34 public final class DefaultCredentialProvider implements CredentialProvider, DataListener<Keystore>, AutoCloseable {
  35     private static final Logger LOG = LoggerFactory.getLogger(DefaultCredentialProvider.class);
  36
  37     private final @NonNull Registration reg;
  38
  39     private volatile @NonNull Map<KeyCredentialKey, KeyCredential> credentials = Map.of();
  40
  41     @Inject
  42     @Activate
  43     public DefaultCredentialProvider(@Reference final DataBroker dataBroker) {
  44         reg = dataBroker.registerDataListener(
  45             DataTreeIdentifier.of(LogicalDatastoreType.CONFIGURATION, InstanceIdentifier.create(Keystore.class)), this);
  46     }
  47
  48     @Deactivate
  49     @PreDestroy
  50     @Override
  51     public void close() {
  52         reg.close();
  53     }
  54
  55     @Override
  56     public KeyCredential credentialForId(final String id) {
  57         return credentials.get(new KeyCredentialKey(id));
  58     }
  59
  60     @Override
  61     public void dataChangedTo(final Keystore data) {
  62         final var newCredentials = data != null ? data.nonnullKeyCredential()
  63             : Map.<KeyCredentialKey, KeyCredential>of();
  64         LOG.debug("Updating to {} credentials", newCredentials.size());
  65         credentials = newCredentials;
  66     }
  67 }