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Proxima platform's module proxima-direct-io-http

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/*
 * Copyright 2017-2022 O2 Czech Republic, a.s.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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 cz.o2.proxima.direct.http;

import cz.o2.proxima.direct.commitlog.CommitLogReader;
import cz.o2.proxima.direct.core.AttributeWriterBase;
import cz.o2.proxima.direct.core.Context;
import cz.o2.proxima.direct.core.DataAccessor;
import cz.o2.proxima.direct.http.opentsdb.OpenTsdbWriter;
import cz.o2.proxima.repository.EntityDescriptor;
import cz.o2.proxima.storage.AbstractStorage;
import java.net.URI;
import java.util.Map;
import java.util.Optional;

/** Accessor for HTTP(s) and websocket URLs. */
public class HttpAccessor extends AbstractStorage implements DataAccessor {

  private static final long serialVersionUID = 1L;

  final Map cfg;

  public HttpAccessor(EntityDescriptor entityDesc, URI uri, Map cfg) {

    super(entityDesc, uri);
    this.cfg = cfg;
  }

  @Override
  public Optional getWriter(Context context) {
    if (getUri().getScheme().startsWith("http")) {
      return Optional.of(new HttpWriter(getEntityDescriptor(), getUri(), cfg));
    }
    if (getUri().getScheme().equals("opentsdb")) {
      return Optional.of(new OpenTsdbWriter(getEntityDescriptor(), getUri(), cfg));
    }
    return Optional.empty();
  }

  @Override
  public Optional getCommitLogReader(Context context) {
    if (getUri().getScheme().startsWith("ws")) {
      return Optional.of(new WebsocketReader(getEntityDescriptor(), getUri(), cfg));
    }
    return Optional.empty();
  }
}