package com.atlassian.webdriver.matchers;
   
   import org.hamcrest.Description;
   import org.hamcrest.Matcher;
   import org.hamcrest.Matchers;
   import org.hamcrest.TypeSafeMatcher;
   
   /**
    * More matchers for core Java thingies.
   *
   * @since 2.1
   */
  public final class LangMatchers
  {
  
      private LangMatchers()
      {
          throw new AssertionError("Don't instantiate me");
      }
  
      @SuppressWarnings("unchecked")
      public static <T> Matcher<T> isInstance(Class<? extends T> type)
      {
          return (Matcher<T>) Matchers.instanceOf(type);
      }
  
      public static Matcher<String> containsInOrder(final CharSequence... substrings)
      {
          return new TypeSafeMatcher<String>()
          {
              @Override
              public boolean matchesSafely(String item)
              {
                  int index = -1;
                  for (CharSequence substring : substrings)
                  {
                      index = item.indexOf(substring.toString(), index);
                      if (index < 0)
                      {
                          return false;
                      }
                  }
                  return true;
              }
  
              @Override
              public void describeTo(Description description)
              {
                  description.appendText("a string that contains (in order): ").appendValueList("(", ",", ")", substrings);
              }
          };
      }
  }