AndMatcher.java

/*******************************************************************************
 * Copyright (c) 2016 Red Hat, Inc.
 * Distributed under license by Red Hat, Inc. All rights reserved.
 * This program is made available under the terms of the
 * Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 * Red Hat, Inc. - initial API and implementation
 ******************************************************************************/
package org.jboss.tools.browsersim.matcher;
import java.util.Arrays;

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

/**
 * Matcher matching conjunctive satisfaction of all matchers.<br/>
 * 
 * Provides logical operation AND for {@link Matcher}s.
 * 
 * @author Jiri Peterka
 * @author Radoslav Rabara
 */
@SuppressWarnings("rawtypes")
public class AndMatcher extends BaseMatcher {

	private Matcher[] matchers;
	
	/**
	 * Constructs new AndMatcher.
	 * 
	 * @param matchers matchers to be evaluated conjunctively
	 */
	public AndMatcher(Matcher... matchers) {
		if(matchers == null)
			throw new NullPointerException("matchers");
		this.matchers = matchers;
	}
	
	/* (non-Javadoc)
	 * @see org.hamcrest.Matcher#matches(java.lang.Object)
	 */
	@Override
	public boolean matches(Object item) {
		for (Matcher m : matchers) {
			if (!m.matches(item))
				return false;
		}
		return true;
	}

	/**
	 * Returns all matchers in AndMatcher.
	 *
	 * @return all matchers
	 */
	public Matcher[] getMatchers() {
		return matchers;
	}
	
	/* (non-Javadoc)
	 * @see org.hamcrest.SelfDescribing#describeTo(org.hamcrest.Description)
	 */
	@Override
	public void describeTo(Description description) {
		description.appendList("(", " " + "and" + " ", ")", Arrays.asList(matchers));
	}
	
	/* (non-Javadoc)
	 * @see org.hamcrest.BaseMatcher#toString()
	 */
	@Override
	public String toString() {
		return "Matcher matching when all matchers match: " + Arrays.toString(matchers);
	}
}