/**
 * Copyright 2010 Google Inc.
 *
 * 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 org.waveprotocol.wave.federation.noop;

import com.google.protobuf.ByteString;

import org.waveprotocol.wave.federation.FederationErrors;
import org.waveprotocol.wave.federation.WaveletFederationProvider;
import org.waveprotocol.wave.federation.Proto.ProtocolHashedVersion;
import org.waveprotocol.wave.federation.Proto.ProtocolSignedDelta;
import org.waveprotocol.wave.federation.Proto.ProtocolSignerInfo;
import org.waveprotocol.wave.model.id.WaveletName;

/**
 * An implementation of {@link WaveletFederationProvider} that always calls the onFailure()
 * method of the listeners.
 *
 * @author tad.glines@gmail.com (Tad Glines)
 */
public class NoOpFederationRemote implements WaveletFederationProvider {
  @Override
  public void submitRequest(WaveletName waveletName, ProtocolSignedDelta delta,
      SubmitResultListener listener) {
    listener.onFailure(FederationErrors.badRequest("Federation is not enabled!"));
  }

  @Override
  public void requestHistory(WaveletName waveletName, String domain,
      ProtocolHashedVersion startVersion, ProtocolHashedVersion endVersion, long lengthLimit,
      HistoryResponseListener listener) {
    listener.onFailure(FederationErrors.badRequest("Federation is not enabled!"));
  }

  @Override
  public void getDeltaSignerInfo(ByteString signerId, WaveletName waveletName,
      ProtocolHashedVersion deltaEndVersion, DeltaSignerInfoResponseListener listener) {
    listener.onFailure(FederationErrors.badRequest("Federation is not enabled!"));
  }

  @Override
  public void postSignerInfo(String destinationDomain, ProtocolSignerInfo signerInfo,
      PostSignerInfoResponseListener listener) {
    listener.onFailure(FederationErrors.badRequest("Federation is not enabled!"));
  }
}