/**
* Copyright 2011 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.robots.util;
import com.google.wave.api.Annotation;
import com.google.wave.api.Blip;
import com.google.wave.api.BlipContent;
import com.google.wave.api.Range;
import org.waveprotocol.box.server.robots.RobotWaveletData;
import org.waveprotocol.box.server.util.WaveletDataUtil;
import org.waveprotocol.wave.model.id.IdURIEncoderDecoder;
import org.waveprotocol.wave.model.id.WaveletName;
import org.waveprotocol.wave.model.version.HashedVersion;
import org.waveprotocol.wave.model.version.HashedVersionFactory;
import org.waveprotocol.wave.model.version.HashedVersionZeroFactoryImpl;
import org.waveprotocol.wave.model.wave.ParticipantId;
import org.waveprotocol.wave.model.wave.data.ObservableWaveletData;
import org.waveprotocol.wave.util.escapers.jvm.JavaUrlCodec;
/**
* Provides helper methods for the operation services.
*
* @author yurize@apache.org (Yuri Zelikov)
*/
public class RobotsUtil {
@SuppressWarnings("serial")
public static class RobotRegistrationException extends Exception {
public RobotRegistrationException (String message) {
super(message);
}
public RobotRegistrationException(String message, Throwable t) {
super(message, t);
}
}
private static final IdURIEncoderDecoder URI_CODEC = new IdURIEncoderDecoder(new JavaUrlCodec());
private static final HashedVersionFactory HASH_FACTORY = new HashedVersionZeroFactoryImpl(
URI_CODEC);
/**
* Creates a new empty robot wavelet data.
*
* @param participant the wavelet creator.
* @param waveletName the wavelet name.
*/
public static RobotWaveletData createEmptyRobotWavelet(ParticipantId participant,
WaveletName waveletName) {
HashedVersion hashedVersionZero = HASH_FACTORY.createVersionZero(waveletName);
ObservableWaveletData emptyWavelet =
WaveletDataUtil.createEmptyWavelet(waveletName, participant, hashedVersionZero,
System.currentTimeMillis());
RobotWaveletData newWavelet = new RobotWaveletData(emptyWavelet, hashedVersionZero);
return newWavelet;
}
/**
* Copies the content of the source blip into the target blip.
*
* @param fromBlip the source blip.
* @param toBlip the target blip.
*/
public static void copyBlipContents(Blip fromBlip, Blip toBlip) {
for (BlipContent blipContent: fromBlip.all().values()) {
toBlip.append(blipContent);
}
for (Annotation annotation : fromBlip.getAnnotations()) {
Range range = annotation.getRange();
toBlip.range(range.getStart() + 1, range.getEnd() + 1).annotate(annotation.getName(),
annotation.getValue());
}
}
private RobotsUtil() {
}
}