/**
    * Copyright 2010-2014 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.common.util.encrypt.openssl;
  
  import static com.google.common.collect.Lists.newArrayList;
  import static org.kuali.common.util.base.Precondition.checkNotNull;
  
  import java.util.List;
  
  import com.google.common.collect.ImmutableList;
  
  public final class OpenSSLEncryptedContext {
  
  	private final ImmutableList<Byte> salt;
  	private final ImmutableList<Byte> key;
  	private final ImmutableList<Byte> initVector;
  
  	private OpenSSLEncryptedContext(Builder builder) {
  		this.salt = ImmutableList.copyOf(builder.salt);
  		this.key = ImmutableList.copyOf(builder.key);
  		this.initVector = ImmutableList.copyOf(builder.initVector);
  	}
  
  	public static Builder builder() {
  		return new Builder();
  	}
  
  	public static class Builder implements org.apache.commons.lang3.builder.Builder<OpenSSLEncryptedContext> {
  
  		private List<Byte> salt = newArrayList();
  		private List<Byte> key = newArrayList();
  		private List<Byte> initVector = newArrayList();
  
  		public Builder withSalt(List<Byte> salt) {
  			this.salt = salt;
  			return this;
  		}
  
  		public Builder withKey(List<Byte> key) {
  			this.key = key;
  			return this;
  		}
  
  		public Builder withInitVector(List<Byte> initVector) {
  			this.initVector = initVector;
  			return this;
  		}
  
  		@Override
  		public OpenSSLEncryptedContext build() {
  			return validate(new OpenSSLEncryptedContext(this));
  		}
  
  		private static OpenSSLEncryptedContext validate(OpenSSLEncryptedContext instance) {
  			checkNotNull(instance.salt, "salt");
  			checkNotNull(instance.key, "key");
  			checkNotNull(instance.initVector, "initVector");
  			return instance;
  		}
  
  	}
  
  	public List<Byte> getSalt() {
  		return salt;
  	}
  
  	public List<Byte> getKey() {
  		return key;
  	}
  
  	public List<Byte> getInitVector() {
  		return initVector;
  	}
  }