/*
    * Grapht, an open source dependency injector.
    * Copyright 2014-2015 various contributors (see CONTRIBUTORS.txt)
    * Copyright 2010-2014 Regents of the University of Minnesota
    *
    * This program is free software; you can redistribute it and/or modify
    * it under the terms of the GNU Lesser General Public License as
    * published by the Free Software Foundation; either version 2.1 of the
    * License, or (at your option) any later version.
   *
   * This program 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 for more
   * details.
   *
   * You should have received a copy of the GNU General Public License along with
   * this program; if not, write to the Free Software Foundation, Inc., 51
   * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
   */
  package org.grouplens.grapht.reflect;
  
  import java.lang.annotation.Annotation;
  import java.util.HashSet;
  import java.util.Set;
  
  public class MockQualifierMatcher implements QualifierMatcher {
      private static final long serialVersionUID = 1L;
  
      private Set<Annotation> qualifiers;
      
      private MockQualifierMatcher() {
          qualifiers = null;
      }
  
      public static MockQualifierMatcher any() {
          return new MockQualifierMatcher();
      }
      
      public static MockQualifierMatcher none() {
          return match((Annotation) null);
      }
  
      @Override
      public int getPriority() {
          return 0;
      }
  
      public static MockQualifierMatcher match(Annotation... qualifiers) {
          MockQualifierMatcher q = new MockQualifierMatcher();
          q.qualifiers = new HashSet<Annotation>();
          for (Annotation m: qualifiers) {
              q.qualifiers.add(m);
          }
          return q;
      }
      
      @Override
      public int compareTo(QualifierMatcher o) {
          MockQualifierMatcher mq = (MockQualifierMatcher) o;
          
          if (qualifiers == null) {
              if (mq.qualifiers == null) {
                  return 0;
              } else {
                  return 1;
              }
          } else {
              if (mq.qualifiers == null) {
                  return -1;
              } else {
                  return 0;
              }
          }
      }
  
      @Override
      @Deprecated
      public boolean matches(Annotation q) {
          return apply(q);
      }
  
      @Override
      public boolean apply(Annotation q) {
          return qualifiers == null || qualifiers.contains(q);
      }
  }