content: /*
   * Created on Mar 26, 2008
   *
   * 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.
   *
   * Copyright @2008-2013 the original author or authors.
   */
  package org.fest.swing.keystroke;
  
  import static org.fest.swing.keystroke.KeyStrokeMappings.defaultMappings;
  import static org.fest.util.Lists.newArrayList;
  
  import java.util.Collection;
  import java.util.List;
  
  import javax.annotation.Nonnull;
  
  /**
   * Default mapping of characters and {@code javax.swing.KeyStroke}s.
   *
   * @author Alex Ruiz
   */
  public class DefaultKeyStrokeMappingProvider implements KeyStrokeMappingProvider {
    /**
     * Returns the default mapping of characters and {@code KeyStroke}s. This provider will only return the mappings for
     * following keys:
     * <ul>
     * <li>Backspace</li>
     * <li>Delete</li>
     * <li>Enter</li>
     * <li>Escape</li>
     * <li>Tab</li>
     * </ul>
     *
     * @return the default mapping of characters and {@code KeyStroke}s
     */
    @Override
    public @Nonnull Collection<KeyStrokeMapping> keyStrokeMappings() {
      return LazyLoadingSingleton.instance;
    }
  
    private static class LazyLoadingSingleton {
      static List<KeyStrokeMapping> instance = newArrayList(defaultMappings());
    }
  }
  