Package org.waveprotocol.wave.federation.noop

Source Code of org.waveprotocol.wave.federation.noop.NoOpFederationHost

/**
* 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.waveprotocol.wave.federation.noop;

import com.google.protobuf.ByteString;

import org.waveprotocol.wave.federation.FederationErrors;
import org.waveprotocol.wave.federation.WaveletFederationListener;
import org.waveprotocol.wave.federation.Proto.ProtocolHashedVersion;
import org.waveprotocol.wave.model.id.WaveletName;

import java.util.List;

/**
* An of {@link WaveletFederationListener.Factory} that returns instances of
* {@link WaveletFederationListener} that always call the onFailure() method
* of the callback.
*
* @author tad.glines@gmail.com (Tad Glines)
*/
public class NoOpFederationHost implements WaveletFederationListener.Factory {

  @Override
  public WaveletFederationListener listenerForDomain(String domain) {
    return new WaveletFederationListener() {
      @Override
      public void waveletDeltaUpdate(WaveletName waveletName, List<ByteString> deltas,
          WaveletUpdateCallback callback) {
        callback.onFailure(FederationErrors.badRequest("Federation is not enabled!"));
      }

      @Override
      public void waveletCommitUpdate(WaveletName waveletName,
          ProtocolHashedVersion committedVersion, WaveletUpdateCallback callback) {
        callback.onFailure(FederationErrors.badRequest("Federation is not enabled!"));
      }
    };
  }

}
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