package org.apache.maven.scm.provider.accurev;
   
   import java.util.Date;
   
   import org.codehaus.plexus.util.StringUtils;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.
   */
  
  public class AccuRevVersion {
  
  	private String basisStream;
  
  	private String timeSpec;
  
  	public AccuRevVersion(String basisStream, String tran) {
  
  		this.basisStream = basisStream;
  		this.timeSpec = tran;
  	}
  
  	public String getBasisStream() {
  		return basisStream;
  	}
  
  	public String getTimeSpec() {
  		return timeSpec;
  	}
  
  	public AccuRevVersion(String basis, Date startDate) {
  		this(basis, AccuRev.ACCUREV_TIME_SPEC.format(startDate));
  	}
  
  	public AccuRevVersion(String basis, long transactionId) {
  		this(basis, Long.toString(transactionId));
  	}
  
  	public boolean isNow() {
  		return isNow(this.timeSpec);
  	}
  
  	@Override
  	public String toString() {
  		return String.format("AccuRevVersion: stream = %s, transaction= %s",
  				basisStream, timeSpec);
  	}
  
  	public static boolean isNow(String timeSpec) {
  		return StringUtils.isBlank(timeSpec) || "highest".equalsIgnoreCase(timeSpec)
  				|| "now".equalsIgnoreCase(timeSpec);
  	}
  }