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Fluent interface for functional GUI testing

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/**
 * 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 2012-2015 the original author or authors.
 */
package org.assertj.swing.keystroke;

import static java.util.Collections.unmodifiableList;
import static org.assertj.core.util.Lists.newArrayList;
import static org.assertj.swing.keystroke.KeyStrokeMappings.defaultMappings;

import java.util.Collection;
import java.util.List;

import javax.annotation.Nonnull;

/**
 * {@link KeyStrokeMappingProvider} created by parsing a text file containing all the key mappings.
 * 
 * @author Alex Ruiz
 * @see KeyStrokeMappingsParser
 */
class ParsedKeyStrokeMappingProvider implements KeyStrokeMappingProvider {
  private final List mappings = newArrayList();

  ParsedKeyStrokeMappingProvider(@Nonnull List mappings) {
    this.mappings.addAll(defaultMappings());
    this.mappings.addAll(mappings);
  }

  /**
   * Returns the mapping of characters and {@link KeyStroke}s. The mappings are obtained from a text file. In addition,
   * this provider will automatically add mappings for following keys:
   * 
   * Backspace
   * Delete
   * Enter
   * Escape
   * Tab
   * 
   * 
   * @return the mapping of characters and {@code KeyStroke}s.
   */
  @Override
  public @Nonnull Collection keyStrokeMappings() {
    return unmodifiableList(mappings);
  }
}