core/src/main/java/org/apache/calcite/avatica/remote/RemoteService.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to you 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 org.apache.calcite.avatica.remote;

import java.nio.charset.StandardCharsets;

/**
 * Implementation of {@link org.apache.calcite.avatica.remote.Service}
 * that translates requests into JSON and sends them to a remote server,
 * usually an HTTP server.
 */
public class RemoteService extends JsonService {
  private final AvaticaHttpClient client;

  public RemoteService(AvaticaHttpClient client) {
    this.client = client;
  }

  @Override public String apply(String request) {
    byte[] response = client.send(request.getBytes(StandardCharsets.UTF_8));
    return new String(response, StandardCharsets.UTF_8);
  }
}

// End RemoteService.java