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/*
 * Copyright 2001-2013 Artima, Inc.
 *
 * 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.
 */
package org.scalactic

import java.util.ResourceBundle
import java.text.MessageFormat

/**
 * Grab a resource intended for use in a failure message. For each argument passed,
 * convert it to a string by calling decorateToStringValue, which will do things such
 * as highlight differences in two strings that were supposd to be equal.
 *
 * @author Bill Venners
 */
private[scalactic] object FailureMessages {

  def decorateToStringValue(o: Any): String = Prettifier.default(o)

  def apply(resourceName: String): String = Resources(resourceName)
  def apply(resourceName: String, args: Any*): String =
    Resources(resourceName, args.map((arg: Any) => decorateToStringValue(arg)): _*)
}

// This is used to pass a string to the FailureMessages apply method
// but prevent it from being quoted. This is useful when using a string
// to talk about method names, for example.
private[scalactic] class UnquotedString(s: String) {
  override def toString = s
}

private[scalactic] object UnquotedString {
  def apply(s: String) = new UnquotedString(s)
}