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.StatefulHash;
  import com.scurrilous.circe.StatefulIntHash;
  import com.scurrilous.circe.StatelessIntHash;
  
  class IncrementalIntStatefulHash extends AbstractStatefulHash implements StatefulIntHash {
  
      final AbstractIncrementalIntHash stateless;
      int current;
  
      IncrementalIntStatefulHash(AbstractIncrementalIntHash stateless) {
          this.stateless = stateless;
      }
  
      @Override
      public StatelessIntHash asStateless() {
          return stateless;
      }
  
      @Override
      public String algorithm() {
          return stateless.algorithm();
      }
  
      @Override
      public int length() {
          return stateless.length();
      }
  
      @Override
      public boolean supportsUnsafe() {
          return stateless.supportsUnsafe();
      }
  
      @Override
      public StatefulHash createNew() {
          return new IncrementalIntStatefulHash(stateless);
      }
  
      @Override
      public boolean supportsIncremental() {
          return true;
      }
  
      @Override
      public void reset() {
          current = stateless.initial();
      }
  
      @Override
      public void update(ByteBuffer input) {
          current = stateless.resume(current, input);
      }
  
      @Override
      public void update(long address, long length) {
          current = stateless.resume(current, address, length);
      }
  
      @Override
      protected void updateUnchecked(byte[] input, int index, int length) {
          current = stateless.resumeUnchecked(current, input, index, length);
      }
  
      @Override
      public int getInt() {
          return current;
      }
  
      @Override
      public long getLong() {
          return current;
      }
  }
  