content: /*
   * Created on Jan 27, 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.driver;
  
  import static java.util.Collections.sort;
  import static javax.swing.Action.NAME;
  import static org.fest.swing.exception.ActionFailedException.actionFailure;
  import static org.fest.util.Lists.newArrayList;
  import static org.fest.util.Preconditions.checkNotNull;
  import static org.fest.util.Strings.concat;
  import static org.fest.util.Strings.quote;
  
  import java.util.List;
  
  import javax.annotation.Nonnull;
  import javax.annotation.Nullable;
  import javax.swing.Action;
  import javax.swing.ActionMap;
  
  /**
   * Utility methods related to Swing {@code Action}s.
   *
   * @author Alex Ruiz
   */
  final class Actions {
    static @Nonnull Object findActionKey(@Nonnull String name, @Nonnull ActionMap actionMap) {
      Action action = actionMap.get(name);
      if (action != null) {
        return name;
      }
      Object[] allKeys = actionMap.allKeys();
      if (allKeys != null) {
        for (Object key : allKeys) {
          action = actionMap.get(key);
          if (name.equals(action.getValue(NAME))) {
            return checkNotNull(key);
          }
        }
      }
      String message = String.format("The action '%s' is not available", name);
      if (allKeys != null && allKeys.length > 0) {
        message = concat(message, ", available actions:", formatAllActionKeys(allKeys));
      }
      throw actionFailure(message);
    }
  
    private static @Nonnull List<String> formatAllActionKeys(@Nonnull Object[] keys) {
      List<String> formattedKeys = newArrayList();
      for (Object key : keys) {
        String keyAsString = keyAsString(key);
        if (keyAsString != null) {
          formattedKeys.add(keyAsString);
        }
      }
      sort(formattedKeys);
      return formattedKeys;
    }
  
    private static @Nullable String keyAsString(@Nullable Object key) {
      if (key == null) {
        return null;
      }
      if (key instanceof String) {
        return (String) quote(key);
      }
      return String.format("%s(%s)", key.toString(), key.getClass().getName());
    }
  
    private Actions() {}
  }
  