content: package org.apache.archiva.checksum;
  
  /*
   * 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.
   */
  
  /**
   * Status of checksum update for specific algorithm.
   */
  public class UpdateStatus {
  
      /**
       * Checksum file did not exist before and was created
       */
      public static final int CREATED = 1;
      /**
       * Checksum file existed, but content differed
       */
      public static final int UPDATED = 2;
      /**
       * Nothing changed
       */
      public static final int NONE = 0;
      /**
       * Error occured during update/creation of the checksum file
       */
      public static final int ERROR = -1;
  
      private final ChecksumAlgorithm algorithm;
      private final int status;
      private final Throwable error;
  
      public UpdateStatus(ChecksumAlgorithm algorithm) {
          this.algorithm = algorithm;
          status = NONE;
          error = null;
      }
  
      public UpdateStatus(ChecksumAlgorithm algorithm, int status) {
          this.algorithm = algorithm;
          this.status = status;
          error = null;
      }
  
      public UpdateStatus(ChecksumAlgorithm algorithm, Throwable error) {
          this.algorithm = algorithm;
          this.status = ERROR;
          this.error = error;
      }
  
      /**
       * Return the status value.
       * @return The value
       */
      public int getValue() {
          return status;
      }
  
      /**
       * Return error, if exists, otherwise <code>null</code> will be returned.
       * @return
       */
      public Throwable getError() {
          return error;
      }
  
      /**
       * Return the algorithm, this status is assigned to.
       * @return The checksum algorithm
       */
      public ChecksumAlgorithm getAlgorithm() {
          return algorithm;
      }
  }
  