/*
 * Copyright 2013 Eediom Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.araqne.log.api.impl;

import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.regex.Pattern;

/**
 * @since 1.7.0
 * @author xeraph
 * 
 */
public class FileUtils {
	private FileUtils() {
	}

	public static List<File> matches(String basePath, Pattern fileNamePattern) {
		File[] files = new File(basePath).listFiles();

		ArrayList<File> logFiles = new ArrayList<File>();
		if (files != null) {
			for (File f : files) {
				if (f.isFile() && fileNamePattern.matcher(f.getName()).matches())
					logFiles.add(f);
			}
		}

		Collections.sort(logFiles);

		return logFiles;
	}

	public static List<String> matchFiles(String basePath, Pattern fileNamePattern) {
		File[] files = new File(basePath).listFiles();

		ArrayList<String> logFiles = new ArrayList<String>();
		if (files != null) {
			for (File f : files) {
				if (f.isFile() && fileNamePattern.matcher(f.getName()).matches())
					logFiles.add(f.getAbsolutePath());
			}
		}

		Collections.sort(logFiles);

		return logFiles;
	}

	public static void ensureClose(BufferedReader br) {
		try {
			if (br != null)
				br.close();
		} catch (IOException e) {
		}
	}

	public static void ensureClose(InputStream is) {
		try {
			if (is != null)
				is.close();
		} catch (IOException e) {
		}
	}
}