/**
* Copyright 2009 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.waveserver;
import org.waveprotocol.wave.model.version.HashedVersion;
/**
* Indicates a caller submitted a delta with a mismatched hash.
*
*/
public class InvalidHashException extends WaveServerException {
private final HashedVersion expected;
private final HashedVersion target;
public InvalidHashException(HashedVersion expectedVersion, HashedVersion targetVersion) {
// Note: The expected hash is not included in the exception message
// to avoid revealing it to clients. It's useful to keep a reference
// here for debugging though.
super("Mismatched hash at version " + expectedVersion.getVersion() + ": " + targetVersion);
this.expected = expectedVersion;
this.target = targetVersion;
}
public HashedVersion expectedVersion() {
return expected;
}
public HashedVersion targetVersion() {
return target;
}
}