content: /*
   * Created on Jun 26, 2009
   * 
   * 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 @2009-2013 the original author or authors.
   */
  package org.fest.swing.util;
  
  import static org.fest.swing.util.Strings.areEqualOrMatch;
  import static org.fest.util.Arrays.format;
  import static org.fest.util.Preconditions.checkNotNull;
  import static org.fest.util.Preconditions.checkNotNullOrEmpty;
  import static org.fest.util.Strings.quote;
  
  import javax.annotation.Nonnull;
  import javax.annotation.Nullable;
  
  /**
   * Matches text to a group of {@code String} values. Matching is perform by equality or by regular expression matching.
   * 
   * @author Alex Ruiz
   */
  public class StringTextMatcher implements TextMatcher {
    private final String[] values;
  
    /**
     * Creates a new {@link StringTextMatcher}.
     * 
     * @param values the {@code String} values to match. Each value can be a regular expression.
     * @throws NullPointerException if the array of values is {@code null}.
     * @throws IllegalArgumentException if the array of values is empty.
     */
    public StringTextMatcher(@Nonnull String... values) {
      this.values = checkNotNullOrEmpty(values);
    }
  
    /**
     * Indicates whether the given text matches the {@code String} values in this matcher. Each value can be a regular
     * expression.
     * 
     * @param text the text to verify.
     * @return {@code true} if the given text matches the {@code String} values in this matcher, {@code false} otherwise.
     */
    @Override
    public boolean isMatching(@Nullable String text) {
      for (String value : values) {
        if (areEqualOrMatch(value, text)) {
          return true;
        }
      }
      return false;
    }
  
    /**
     * @return "value" if this matcher contains only one value, or "values" if this matcher contains more than one value.
     */
    @Override
    public @Nonnull String description() {
      return onlyOneValue() ? "value" : "values";
    }
  
    /**
     * @return the {@code String} values in this matcher, formatted as a single {@code String}.
     */
    @Override
    public @Nonnull String formattedValues() {
      String s = onlyOneValue() ? quote(values[0]) : format(values);
      return checkNotNull(s);
    }
  
    private boolean onlyOneValue() {
      return values.length == 1;
    }
  }
  