/**
* 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.wave.crypto;
import java.util.Date;
/**
* Interface for obtaining the current time. We extract this interface for
* easier testing. There should be no need to replace the default implementation
* of this interface, except for testing.
*/
public interface TimeSource {
/**
* Returns a {@link Date} representing the current time.
*/
public Date now();
/**
* Returns the current time in milliseconds sice the epoch UTC
*/
public long currentTimeMillis();
}