RegexUtilsTest.java

/*
 * Copyright (c) 2001-2013 newgxu.cn <the original author or authors>.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package cn.newgxu.ng.util;

import static org.junit.Assert.*;
import static org.hamcrest.CoreMatchers.*;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.junit.Test;

/**
 * 
 * @author longkai
 * @email im.longkai@gmail.com
 * @since 2013-5-23
 * @version 0.1
 */
public class RegexUtilsTest {

	@Test
	public void test() {
		String uri = "/api/topics/12.jsonp";
		Pattern pattern = Pattern.compile("(\\d{1,})(\\..*$)?");
//		String result = RegexUtils.fetchFirst(uri, "/\\d{1,}").substring(1);
		Matcher matcher = pattern.matcher(uri);
		String result = null;
		if (matcher.find()) {
//			result = matcher.group(0);
			System.out.println(matcher.group(0));
			System.out.println(matcher.group(1));
			System.out.println(matcher.group(2));
			System.out.println(matcher.groupCount());
			System.out.println(matcher.group(0));
//			System.out.println(result);
		}
		assertThat(result, is("12"));
	}

}