/**
    * Copyright 2010-2013 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.property.processor;
  
  import java.util.Properties;
  
  import org.jasypt.util.text.TextEncryptor;
  import org.kuali.common.util.Assert;
  import org.kuali.common.util.PropertyUtils;
  
  import com.google.common.base.Optional;
  
  public final class JasyptDecryptingProcessor implements PropertyProcessor {
  
  	public JasyptDecryptingProcessor(Optional<TextEncryptor> encryptor) {
  		Assert.noNulls(encryptor);
  		this.encryptor = encryptor;
  	}
  
  	private final Optional<TextEncryptor> encryptor;
  
  	@Override
  	public void process(Properties properties) {
  		Assert.noNulls(properties);
  		if (encryptor.isPresent()) {
  			PropertyUtils.decrypt(properties, encryptor.get());
  		}
  	}
  
  	public Optional<TextEncryptor> getTextEncryptor() {
  		return encryptor;
  	}
  
  }