Hamcrest wrapper for EqualsBuilder.reflectionEquals

BeanFieldsMatcher.java

import java.util.Collection;

import org.apache.commons.lang3.builder.EqualsBuilder;
import org.hamcrest.Description;
import org.hamcrest.TypeSafeMatcher;

/**
 * Hamcrest matcher that verifies that is used to assert equality
 * based on all fields of the class except for those excluded.
 */
public class BeanFieldsMatcher extends TypeSafeMatcher<Object> {
	private Object expected;
	private Collection<String> excludeFields;
	
	public BeanFieldsMatcher(Object expected) {
		this.expected = expected;
	}

	@Override
	public void describeTo(Description description) {
		description.appendValue(expected);
	}

	@Override
	protected boolean matchesSafely(Object item) {
		return EqualsBuilder.reflectionEquals(expected, item, excludeFields);
	}
	
	public static BeanFieldsMatcher baseEquals(Object expected) {
		return new BeanFieldsMatcher(expected);
	}
}