io.brachu.docker.compose.plugin.ConfigValidator Maven / Gradle / Ivy

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Maven plugin that starts and stops a docker-compose cluster.

There is a newer version: 1.0.0

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package io.brachu.docker.compose.plugin;

import java.io.File;
import java.util.concurrent.TimeUnit;

import org.apache.maven.plugin.MojoFailureException;

final class ConfigValidator {

    static void validate(Config config) throws MojoFailureException {
        validateWorkDir(config);
        validateFile(config);
        validateWait(config);
    }

    private static void validateWorkDir(Config config) throws MojoFailureException {
        File workDir = config.getWorkDir();
        if (workDir != null && !workDir.isDirectory()) {
            throw new MojoFailureException("Provided path for working directory '" + workDir + "' does not point to an existing directory.");
        }
    }

    private static void validateFile(Config config) throws MojoFailureException {
        if (config.getFile() == null) {
            throw new MojoFailureException("Path to docker-compose.yml file must be set.");
        }
    }

    private static void validateWait(Config config) throws MojoFailureException {
        WaitConfig wait = config.getWait();
        if (wait != null) {
            if (wait.getValue() < 1) {
                throw new MojoFailureException("Wait time value must be greater than zero.");
            }

            if (wait.getUnit() == null) {
                throw new MojoFailureException("Wait time unit must not be null.");
            } else if (wait.getUnit().ordinal() < TimeUnit.SECONDS.ordinal()) {
                throw new MojoFailureException("Wait time unit cannot be smaller than seconds.");
            }
        }
    }

}