/**
* 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.box.server.rpc;
import com.google.common.collect.ImmutableSet;
import org.waveprotocol.box.common.ExceptionalIterator;
import org.waveprotocol.box.server.frontend.CommittedWaveletSnapshot;
import org.waveprotocol.box.server.util.TestDataUtil;
import org.waveprotocol.box.server.waveserver.WaveServerException;
import org.waveprotocol.box.server.waveserver.WaveletProvider;
import org.waveprotocol.wave.federation.Proto.ProtocolWaveletDelta;
import org.waveprotocol.wave.model.id.WaveId;
import org.waveprotocol.wave.model.id.WaveletId;
import org.waveprotocol.wave.model.id.WaveletName;
import org.waveprotocol.wave.model.operation.wave.TransformedWaveletDelta;
import org.waveprotocol.wave.model.version.HashedVersion;
import org.waveprotocol.wave.model.wave.ParticipantId;
import org.waveprotocol.wave.model.wave.data.WaveletData;
import java.util.Collection;
import java.util.Collections;
/**
* Stub of {@link WaveletProvider} for testing.
*
* It currently hosts a single wavelet, which contains a single document.
*
* @author josephg@gmail.com (Joseph Gentle)
*/
public class WaveletProviderStub implements WaveletProvider {
private WaveletData wavelet = null;
private HashedVersion currentVersionOverride;
private HashedVersion committedVersion;
private boolean allowsAccess = true;
public WaveletProviderStub() {
wavelet = TestDataUtil.createSimpleWaveletData();
setCommittedVersion(HashedVersion.unsigned(0));
}
@Override
public void initialize() {
}
@Override
public ExceptionalIterator<WaveId, WaveServerException> getWaveIds() {
return ExceptionalIterator.FromIterator.create(
Collections.singleton(wavelet.getWaveId()).iterator());
}
@Override
public ImmutableSet<WaveletId> getWaveletIds(WaveId waveId) {
return (waveId.equals(wavelet.getWaveId())) ? ImmutableSet.of(wavelet.getWaveletId())
: ImmutableSet.<WaveletId> of();
}
@Override
public CommittedWaveletSnapshot getSnapshot(WaveletName waveletName) {
final byte[] JUNK_BYTES = new byte[] {0, 1, 2, 3, 4, 5, -128, 127};
if (waveletName.waveId.equals(getHostedWavelet().getWaveId())
&& waveletName.waveletId.equals(getHostedWavelet().getWaveletId())) {
HashedVersion version =
(currentVersionOverride != null) ? currentVersionOverride : HashedVersion.of(
getHostedWavelet().getVersion(), JUNK_BYTES);
return new CommittedWaveletSnapshot(getHostedWavelet(), getCommittedVersion());
} else {
return null;
}
}
@Override
public Collection<TransformedWaveletDelta> getHistory(WaveletName waveletName,
HashedVersion versionStart, HashedVersion versionEnd) {
throw new UnsupportedOperationException();
}
@Override
public void submitRequest(
WaveletName waveletName, ProtocolWaveletDelta delta, SubmitRequestListener listener) {
throw new UnsupportedOperationException();
}
@Override
public boolean checkAccessPermission(WaveletName waveletName, ParticipantId participantId) {
return allowsAccess;
}
/**
* @return the wavelet
*/
public WaveletData getHostedWavelet() {
return wavelet;
}
/**
* @param currentVersionOverride the currentVersionOverride to set
*/
public void setVersionOverride(HashedVersion currentVersionOverride) {
this.currentVersionOverride = currentVersionOverride;
}
/**
* @param committedVersion the committedVersion to set
*/
public void setCommittedVersion(HashedVersion committedVersion) {
this.committedVersion = committedVersion;
}
/**
* @return the committedVersion
*/
public HashedVersion getCommittedVersion() {
return committedVersion;
}
/**
* @param allowsAccess whether or not users have access permissions
*/
public void setAllowsAccess(boolean allowsAccess) {
this.allowsAccess = allowsAccess;
}
}