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/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2014, Arnaud Roques
 *
 * Project Info:  http://plantuml.sourceforge.net
 * 
 * This file is part of PlantUML.
 *
 * Licensed under The MIT License (Massachusetts Institute of Technology License)
 * 
 * See http://opensource.org/licenses/MIT
 * 
 * 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.
 * 
 *
 * Original Author:  Arnaud Roques
 */
package net.sourceforge.plantuml.command.regex;

import java.util.Collections;
import java.util.Map;

public class RegexResult {

	private final Map<String, RegexPartialMatch> data;

	public RegexResult(Map<String, RegexPartialMatch> data) {
		this.data = Collections.unmodifiableMap(data);
	}

	@Override
	public String toString() {
		return data.toString();
	}

	public RegexPartialMatch get(String key) {
		return data.get(key);
	}

	public String get(String key, int num) {
		final RegexPartialMatch reg = data.get(key);
		if (reg == null) {
			return null;
		}
		return reg.get(num);
	}

	public String getLazzy(String key, int num) {
		for (Map.Entry<String, RegexPartialMatch> ent : data.entrySet()) {
			if (ent.getKey().startsWith(key) == false) {
				continue;
			}
			final RegexPartialMatch match = ent.getValue();
			if (num >= match.size()) {
				continue;
			}
			if (match.get(num) != null) {
				return ent.getValue().get(num);
			}
		}
		return null;
	}

	public int size() {
		return data.size();
	}

}