001    /*
002     * Created on Dec 26, 2010
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
005     * the License. You may obtain a copy of the License at
006     *
007     * http://www.apache.org/licenses/LICENSE-2.0
008     *
009     * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
010     * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
011     * specific language governing permissions and limitations under the License.
012     *
013     * Copyright @2010-2011 the original author or authors.
014     */
015    package org.fest.assertions.api;
016    
017    /**
018     * Assertion methods for {@code Object}s.
019     * <p>
020     * To create a new instance of this class, invoke <code>{@link Assertions#assertThat(Object)}</code>.
021     * </p>
022     *
023     * @author Yvonne Wang
024     * @author Alex Ruiz
025     */
026    public class ObjectAssert extends AbstractAssert<ObjectAssert, Object> {
027    
028      protected ObjectAssert(Object actual) {
029        super(actual, ObjectAssert.class);
030      }
031    
032      /**
033       * Verifies that the actual {@code Object} is an instance of the given type.
034       * @param type the type to check the actual {@code Object} against.
035       * @return this assertion object.
036       * @throws NullPointerException if the given type is {@code null}.
037       * @throws AssertionError if the actual {@code Object} is {@code null}.
038       * @throws AssertionError if the actual {@code Object} is not an instance of the given type.
039       */
040      public ObjectAssert isInstanceOf(Class<?> type) {
041        objects.assertIsInstanceOf(info, actual, type);
042        return this;
043      }
044    
045      /**
046       * Verifies that the actual {@code Object} is an instance of any of the given types.
047       * @param types the types to check the actual {@code Object} against.
048       * @return this assertion object.
049       * @throws AssertionError if the actual {@code Object} is {@code null}.
050       * @throws AssertionError if the actual {@code Object} is not an instance of any of the given types.
051       * @throws NullPointerException if the given array of types is {@code null}.
052       * @throws NullPointerException if the given array of types contains {@code null}s.
053       */
054      public ObjectAssert isInstanceOfAny(Class<?>...types) {
055        objects.assertIsInstanceOfAny(info, actual, types);
056        return this;
057      }
058    }