content: /*
   * Created on Oct 18, 2010
   *
   * 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 @2010-2012 the original author or authors.
   */
  package org.fest.assertions.error;
  
  import static java.lang.String.format;
  import static org.fest.util.Arrays.format;
  import static org.fest.util.Objects.HASH_CODE_PRIME;
  import static org.fest.util.Objects.areEqual;
  import static org.fest.util.Objects.hashCodeFor;
  import static org.fest.util.Strings.quote;
  
  import java.util.Arrays;
  
  import org.fest.assertions.description.Description;
  import org.fest.util.VisibleForTesting;
  
  /**
   * A factory of error messages typically shown when an assertion fails.
   *
   * @author Alex Ruiz
   * @author Joel Costigliola
   * @author Yvonne Wang
   */
  public class BasicErrorMessageFactory implements ErrorMessageFactory {
    protected final String format;
    protected final Object[] arguments;
  
    @VisibleForTesting
    MessageFormatter formatter = MessageFormatter.instance();
  
    /**
     * Creates a new </code>{@link BasicErrorMessageFactory}</code>.
     *
     * @param format the format string.
     * @param arguments arguments referenced by the format specifiers in the format string.
     */
    public BasicErrorMessageFactory(String format, Object... arguments) {
      this.format = format;
      this.arguments = arguments;
    }
  
    /** {@inheritDoc} */
    @Override
    public String create(Description d) {
      return formatter.format(d, format, arguments);
    }
  
    @Override
    public boolean equals(Object obj) {
      if (this == obj) {
        return true;
      }
      if (obj == null) {
        return false;
      }
      if (getClass() != obj.getClass()) {
        return false;
      }
      BasicErrorMessageFactory other = (BasicErrorMessageFactory) obj;
      return areEqual(format, other.format) && areEqual(arguments, other.arguments);
    }
  
    @Override
    public int hashCode() {
      int result = 1;
      result = HASH_CODE_PRIME * result + hashCodeFor(format);
      result = HASH_CODE_PRIME * result + Arrays.hashCode(arguments);
      return result;
    }
  
    @Override
    public String toString() {
      return format("%s[format=%s, arguments=%s]", getClass().getSimpleName(), quote(format), format(arguments));
    }
  }
  