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/*
 * Copyright 2015 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.rio.core.main;

import br.com.objectos.way.core.auto.AutoFunctional;
import br.com.objectos.way.core.testing.Testable;
import br.com.objectos.way.core.testing.Testables;

import com.google.common.base.Objects;
import com.google.common.base.Preconditions;

/**
 * @author [email protected] (Marcio Endo)
 */
abstract class MethodArgument implements Testable {

  public static MethodArgument of(Class type, Object value) {
    return new MethodArgumentValue(type, value);
  }

  public static MethodArgument fromProvider(MethodArgumentProvider provider) {
    return new MethodArgumentLazy(provider);
  }

  @AutoFunctional
  public abstract Class getType();

  @AutoFunctional
  public abstract Object getValue();

  @Override
  public boolean isEqual(MethodArgument that) {
    return Testables.isEqualHelper()
        .equal(getValue(), that.getValue())
        .result();
  }

  public boolean matches(Class type) {
    Preconditions.checkNotNull(type);
    return Objects.equal(getType(), type);
  }

}