package geniusweb.issuevalue;

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

public class PatternMatch implements Matcher<String> {

	private String regex;

	public PatternMatch(String regex) {
		this.regex = regex;
	}

	@Override
	public void describeTo(Description description) {
		description.appendText("'" + regex + "'");
	}

	@Override
	public boolean matches(Object item) {
		if (!(item instanceof String))
			throw new IllegalArgumentException(
					"item is not a string:" + item.toString());
		return ((String) item).matches(regex);
	}

	@Override
	public void describeMismatch(Object text, Description mismatchDescription) {
		mismatchDescription.appendText("'" + text
				+ "' does not match regular expression '" + regex + "'");
	}

	@Override
	public void _dont_implement_Matcher___instead_extend_BaseMatcher_() {
	}

}