VersionPrinter.java

/*-
 * ========================LICENSE_START=================================
 * flyway-core
 * ========================================================================
 * Copyright (C) 2010 - 2025 Red Gate Software Ltd
 * ========================================================================
 * 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.
 * =========================LICENSE_END==================================
 */
package org.flywaydb.core.internal.license;

import lombok.AccessLevel;
import lombok.CustomLog;
import lombok.Getter;
import lombok.NoArgsConstructor;
import org.flywaydb.core.api.FlywayException;
import org.flywaydb.core.internal.util.FileUtils;

import java.io.IOException;
import java.nio.charset.StandardCharsets;

@CustomLog
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class VersionPrinter {

    @Getter
    private static final String version = readVersion();

    private static String readVersion() {
        try {
            return FileUtils.copyToString(
                    VersionPrinter.class.getClassLoader().getResourceAsStream("org/flywaydb/core/internal/version.txt"),
                    StandardCharsets.UTF_8);
        } catch (IOException e) {
            throw new FlywayException("Unable to read Flyway version: " + e.getMessage(), e);
        }
    }
}