content: /*******************************************************************************
   * Copyright 2014 Trevor Robinson
   * 
   * 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 com.scurrilous.circe.impl;
  
  import java.nio.ByteBuffer;
  import com.scurrilous.circe.StatefulLongHash;
  import com.scurrilous.circe.StatelessIntHash;
  import com.scurrilous.circe.StatelessLongHash;
  
  /**
   * Promotes a {@link StatelessIntHash} to a {@link StatelessLongHash}.
   */
  public final class IntStatelessLongHash implements StatelessLongHash {
  
      private final StatelessIntHash intHash;
  
      /**
       * Constructs a new {@link IntStatelessLongHash} that delegates to the given
       * {@link StatelessIntHash}.
       * 
       * @param intHash the underlying int-width hash
       */
      public IntStatelessLongHash(StatelessIntHash intHash) {
          this.intHash = intHash;
      }
  
      @Override
      public String algorithm() {
          return intHash.algorithm();
      }
  
      @Override
      public int length() {
          return intHash.length();
      }
  
      @Override
      public boolean supportsUnsafe() {
          return intHash.supportsUnsafe();
      }
  
      @Override
      public StatefulLongHash createStateful() {
          return new IntStatefulLongHash(intHash.createStateful());
      }
  
      @Override
      public long calculate(byte[] input) {
          return intHash.calculate(input);
      }
  
      @Override
      public long calculate(byte[] input, int index, int length) {
          return intHash.calculate(input, index, length);
      }
  
      @Override
      public long calculate(ByteBuffer input) {
          return intHash.calculate(input);
      }
  
      @Override
      public long calculate(long address, long length) {
          return intHash.calculate(address, length);
      }
  }
  