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/*
 * Copyright 2016 Objectos, Fábrica de Software LTDA.
 *
 * 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 br.com.objectos.testing;

import br.com.objectos.way.testable.Equality;
import br.com.objectos.way.testable.Reporter;
import br.com.objectos.way.testable.Testable;

import org.hamcrest.Description;
import org.hamcrest.TypeSafeMatcher;

/**
 * @author [email protected] (Marcio Endo)
 */
class LegacyMatcherTestable extends TypeSafeMatcher {

  private final T thisObj;
  private final Reporter reporter = Reporter.start();

  public LegacyMatcherTestable(T thisObj) {
    this.thisObj = thisObj;
  }

  @Override
  public void describeTo(Description description) {
    String msg = String.format("%s", thisObj);
    description.appendText(msg);
  }

  @Override
  protected void describeMismatchSafely(T item, Description mismatchDescription) {
    String msg = String.format("%s", item);
    mismatchDescription.appendValue(msg);
  }

  @Override
  protected boolean matchesSafely(T thatObj) {
    return thisObj == thatObj || (thisObj != null && isEqual(thatObj));
  }

  private boolean isEqual(T thatObj) {
    Equality equality = thisObj.isEqualTo(thatObj);
    equality.accept(reporter);
    return reporter.lineList().isEmpty();
  }

}