nstream.adapter.nats.NatsAdapterUtils Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of nstream-adapter-nats Show documentation

Templates for consuming from and producing to NATS with Swim

The newest version!

// Copyright 2015-2024 Nstream, inc.
//
// Licensed under the Redis Source Available License 2.0 (RSALv2) Agreement;
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://redis.com/legal/rsalv2-agreement/
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package nstream.adapter.nats;

import nstream.adapter.common.AdapterUtils;
import nstream.adapter.common.ext.NatsIngressSettings;
import nstream.adapter.common.ingress.AssemblyException;
import nstream.adapter.common.ingress.ContentAssembler;
import nstream.adapter.common.ingress.ValueAssembler;
import swim.structure.Value;

public final class NatsAdapterUtils {

  private NatsAdapterUtils() {
  }

  public static NatsIngressSettings ingressSettingsFromProp(Value prop) {
    final NatsIngressSettings settings = NatsIngressSettings.form().cast(prop);
    return settings == null ? NatsIngressSettings.defaultSettings() : settings;
  }

  @SuppressWarnings("unchecked")
  public static Value assembleConsumerMessage(byte[] msg, ValueAssembler assembler,
                                              String valueContentType)
      throws AssemblyException {
    return assembler == null ? AdapterUtils.assembleContent(msg, valueContentType)
        : assembler instanceof ContentAssembler ? AdapterUtils.assembleContent(msg, (ContentAssembler) assembler)
        : ((ValueAssembler) assembler).assemble(msg);
  }

}