org.hibernate.testing.hamcrest.CollectionElementMatcher Maven / Gradle / Ivy

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/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later
 * See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
 */
package org.hibernate.testing.hamcrest;

import java.util.Arrays;
import java.util.Collection;
import java.util.List;

import org.hamcrest.BaseMatcher;
import org.hamcrest.Description;
import org.hamcrest.Matcher;

/**
 * @author Steve Ebersole
 */
public class CollectionElementMatcher> extends BaseMatcher {
	public static  Matcher> hasAllOf(Matcher... elementMatchers) {
		return new CollectionElementMatcher<>( elementMatchers );
	}

	private final List> elementMatchers;

	public CollectionElementMatcher(Matcher... elementMatchers) {
		this.elementMatchers = Arrays.asList( elementMatchers );
	}

	@Override
	public boolean matches(Object o) {
		assert o instanceof Collection;
		final Collection collection = (Collection) o;

		outer: for ( Matcher valueMatcher : elementMatchers ) {
			for ( Object value : collection ) {
				if ( valueMatcher.matches( value ) ) {
					continue outer;
				}
			}

			return false;
		}

		return true;
	}

	@Override
	public void describeTo(Description description) {
		description.appendText( "contained" );
	}
}