public ReplicationDnsSrvConnectionUrl()

in src/main/core-impl/java/com/mysql/cj/conf/url/ReplicationDnsSrvConnectionUrl.java [58:124]
55 lines of code
29 McCabe index (conditional complexity)

    public ReplicationDnsSrvConnectionUrl(ConnectionUrlParser connStrParser, Properties info) {
        super(connStrParser, info);
        this.type = Type.REPLICATION_DNS_SRV_CONNECTION;

        // Split sources and replicas:
        LinkedList<HostInfo> undefinedHosts = new LinkedList<>();
        for (HostInfo hi : this.hosts) {
            Map<String, String> hostProperties = hi.getHostProperties();
            if (hostProperties.containsKey(PropertyKey.TYPE.getKeyName())) {
                if (TYPE_SOURCE.equalsIgnoreCase(hostProperties.get(PropertyKey.TYPE.getKeyName()))) {
                    this.sourceHosts.add(hi);
                } else if (TYPE_REPLICA.equalsIgnoreCase(hostProperties.get(PropertyKey.TYPE.getKeyName()))) {
                    this.replicaHosts.add(hi);
                } else {
                    undefinedHosts.add(hi);
                }
            } else {
                undefinedHosts.add(hi);
            }
        }
        if (!undefinedHosts.isEmpty()) {
            if (this.sourceHosts.isEmpty()) {
                this.sourceHosts.add(undefinedHosts.removeFirst());
            }
            this.replicaHosts.addAll(undefinedHosts);
        }

        /*
         * Validate the hosts list:
         * 1. Exactly two hosts (SRV service name) must be provided.
         * 2. No more than one host (SRV service name) per type can be provided.
         * 3. No port can be provided, i.e., port number must be equals to DEFAULT_PORT.
         * 4. If property 'dnsSrv' is set then it cannot be "false".
         * 5. Property 'protocol' cannot be "PIPE".
         * 6. Property 'replicationConnectionGroup' cannot be set.
         */
        HostInfo srvHostSource = this.sourceHosts.isEmpty() ? null : this.sourceHosts.get(0);
        Map<String, String> hostPropsSource = srvHostSource == null ? Collections.emptyMap() : srvHostSource.getHostProperties();
        HostInfo srvHostReplica = this.replicaHosts.isEmpty() ? null : this.replicaHosts.get(0);
        Map<String, String> hostPropsReplica = srvHostReplica == null ? Collections.emptyMap() : srvHostReplica.getHostProperties();
        if (srvHostSource == null || srvHostReplica == null || DEFAULT_HOST.equals(srvHostSource.getHost()) || DEFAULT_HOST.equals(srvHostReplica.getHost())) {
            throw ExceptionFactory.createException(InvalidConnectionAttributeException.class, Messages.getString("ConnectionString.20"));
        }
        if (this.sourceHosts.size() != 1 || this.replicaHosts.size() != 1) {
            throw ExceptionFactory.createException(InvalidConnectionAttributeException.class, Messages.getString("ConnectionString.21"));
        }
        if (srvHostSource.getPort() != DEFAULT_PORT || srvHostReplica.getPort() != DEFAULT_PORT) {
            throw ExceptionFactory.createException(InvalidConnectionAttributeException.class, Messages.getString("ConnectionString.22"));
        }
        if (hostPropsSource.containsKey(PropertyKey.dnsSrv.getKeyName()) || hostPropsReplica.containsKey(PropertyKey.dnsSrv.getKeyName())) {
            if (!BooleanPropertyDefinition.booleanFrom(PropertyKey.dnsSrv.getKeyName(), hostPropsSource.get(PropertyKey.dnsSrv.getKeyName()), null)
                    || !BooleanPropertyDefinition.booleanFrom(PropertyKey.dnsSrv.getKeyName(), hostPropsReplica.get(PropertyKey.dnsSrv.getKeyName()), null)) {
                throw ExceptionFactory.createException(InvalidConnectionAttributeException.class,
                        Messages.getString("ConnectionString.23", new Object[] { PropertyKey.dnsSrv.getKeyName() }));
            }
        }
        if (hostPropsSource.containsKey(PropertyKey.PROTOCOL.getKeyName()) && hostPropsSource.get(PropertyKey.PROTOCOL.getKeyName()).equalsIgnoreCase("PIPE")
                || hostPropsReplica.containsKey(PropertyKey.PROTOCOL.getKeyName())
                        && hostPropsReplica.get(PropertyKey.PROTOCOL.getKeyName()).equalsIgnoreCase("PIPE")) {
            throw ExceptionFactory.createException(InvalidConnectionAttributeException.class, Messages.getString("ConnectionString.24"));
        }
        if (hostPropsSource.containsKey(PropertyKey.replicationConnectionGroup.getKeyName())
                || hostPropsReplica.containsKey(PropertyKey.replicationConnectionGroup.getKeyName())) {
            throw ExceptionFactory.createException(InvalidConnectionAttributeException.class,
                    Messages.getString("ConnectionString.25", new Object[] { PropertyKey.replicationConnectionGroup.getKeyName() }));
        }
    }