content: /*
   * Created on Jun 18, 2007
   *
   * 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 @2007-2013 the original author or authors.
   */
  package org.fest.swing.core;
  
  import static org.fest.util.Preconditions.checkNotNull;
  
  import java.awt.Component;
  
  import javax.annotation.Nonnull;
  import javax.annotation.Nullable;
  
  import org.fest.swing.annotation.RunsInCurrentThread;
  
  /**
   * Matches AWT or Swing {@code Component}s by type.
   *
   * @author Alex Ruiz
   */
  public final class TypeMatcher extends AbstractComponentMatcher {
    private final Class<? extends Component> type;
  
    /**
     * Creates a new {@link TypeMatcher}. The AWT or Swing {@code Component} to match does not have to be showing.
     *
     * @param type the type of the {@code Component} we are looking for.
     * @throws NullPointerException if the given type is {@code null}.
     */
    public TypeMatcher(@Nonnull Class<? extends Component> type) {
      this(type, false);
    }
  
    /**
     * Creates a new {@link TypeMatcher}.
     *
     * @param type the type of the AWT or Swing {@code Component} we are looking for.
     * @param requireShowing indicates if the {@code Component} to match should be showing or not.
     * @throws NullPointerException if the given type is {@code null}.
     */
    public TypeMatcher(@Nonnull Class<? extends Component> type, boolean requireShowing) {
      super(requireShowing);
      this.type = checkNotNull(type);
    }
  
    /**
     * <p>
     * Indicates whether the type and visibility of the given AWT or Swing {@code Component} matches the value
     * specified in this matcher.
     * </p>
     *
     * <p>
     * <b>Note:</b> This method is accessed in the current executing thread. Such thread may or may not be the event
     * dispatch thread (EDT.) Client code must call this method from the EDT.
     * </p>
     *
     * @return {@code true} if the type and visibility of the given {@code Component} matches the values specified in this
     *         matcher, {@code false} otherwise.
     */
    @Override
    @RunsInCurrentThread
    public boolean matches(@Nullable Component c) {
      if (c == null) {
        return false;
      }
      return type.isAssignableFrom(c.getClass()) && requireShowingMatches(c);
    }
  
    @Override
    public String toString() {
      return String.format("%s[type=%s, requireShowing=%b]", getClass().getName(), type.getName(), requireShowing());
    }
  }
  