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/*
 * Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 David Berkman
 * 
 * This file is part of the SmallMind Code Project.
 * 
 * The SmallMind Code Project is free software, you can redistribute
 * it and/or modify it under either, at your discretion...
 * 
 * 1) The terms of GNU Affero General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at
 * your option) any later version.
 * 
 * ...or...
 * 
 * 2) The terms of the Apache License, Version 2.0.
 * 
 * The SmallMind Code Project is distributed in the hope that it will
 * be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License or Apache License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * and the Apache License along with the SmallMind Code Project. If not, see
 *  or .
 * 
 * Additional permission under the GNU Affero GPL version 3 section 7
 * ------------------------------------------------------------------
 * If you modify this Program, or any covered work, by linking or
 * combining it with other code, such other code is not for that reason
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package org.smallmind.persistence.cache.aop;

import java.lang.annotation.Annotation;
import org.aspectj.lang.JoinPoint;
import org.smallmind.nutsnbolts.reflection.aop.AOPUtility;

public class Classifications {

  public static String get (Class annotationType, JoinPoint joinPoint, Vector vector) {

    if (!vector.asParameter()) {

      return vector.classifier();
    }
    else {
      if (!annotationType.equals(CacheAs.class)) {
        throw new CacheAutomationError("Parameter based classifiers can only be used to annotate method executions (@CacheAs)");
      }

      try {
        return AOPUtility.getParameterValue(joinPoint, vector.classifier(), false).toString();
      }
      catch (Exception exception) {
        throw new CacheAutomationError(exception);
      }
    }
  }
}