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/*
 * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */
package org.mule.functional.junit4.matchers;

import org.hamcrest.Description;
import org.hamcrest.Factory;
import org.hamcrest.Matcher;
import org.hamcrest.TypeSafeMatcher;

/**
 * Matcher to check the message of an exception.
 *
 * @param  the type of {@link Throwable} to match
 */
public class ThrowableMessageMatcher extends TypeSafeMatcher {

  private Matcher matcher;

  public ThrowableMessageMatcher(Matcher matcher) {
    this.matcher = matcher;
  }

  @Override
  protected boolean matchesSafely(T item) {
    return matcher.matches(item.getMessage());
  }

  @Override
  public void describeTo(Description description) {
    description.appendText("exception with message ");
    description.appendDescriptionOf(matcher);
  }

  @Factory
  public static  Matcher hasMessage(final Matcher matcher) {
    return new ThrowableMessageMatcher(matcher);
  }
}