package com.google.code.beanmatchers;
   
   import static com.google.code.beanmatchers.BeanOperations.noArgsConstructor;
   
   import org.hamcrest.Description;
   import org.hamcrest.TypeSafeDiagnosingMatcher;
   
   public class HasValidBeanConstructorMatcher extends TypeSafeDiagnosingMatcher<Class> {
   
    @Override
    protected boolean matchesSafely(Class item, Description mismatchDescription) {
      try {
        noArgsConstructor(item);
        return true;
      } catch (BeanMatchersException exception) {
        mismatchDescription
            .appendText("bean of type ")
            .appendValue(item.getName())
            .appendText(" does not have a no-args constructor");
        return false;
      }
    }
  
    public void describeTo(Description description) {
      description.appendText("bean class with a valid no-args constructor");
    }
  }