ch.ledcom.log4jtools.utils.ParseUtils.java Source code

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Here is the source code for ch.ledcom.log4jtools.utils.ParseUtils.java

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/**
 *     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 ch.ledcom.log4jtools.utils;

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

import org.joda.time.DateTime;

public final class ParseUtils {

    private static final Pattern DATE_PATTERN = Pattern.compile(".*(\\d\\d\\d\\d)-(\\d\\d)-(\\d\\d).(\\d+)");

    private ParseUtils() {
    }

    public static DateTime extractDateFromName(File file) {
        Matcher m = DATE_PATTERN.matcher(file.getName());
        if (!m.matches()) {
            return null;
        }
        int year = Integer.parseInt(m.group(1));
        int month = Integer.parseInt(m.group(2));
        int day = Integer.parseInt(m.group(3));
        return new DateTime(year, month, day, 0, 0);
    }

    public static Integer extractSequenceFromName(File file) {
        Matcher m = DATE_PATTERN.matcher(file.getName());
        if (!m.matches()) {
            return null;
        }
        return Integer.valueOf(m.group(4));
    }
}