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Isolated container management for Java code testing

There is a newer version: 1.9.1

package org.testcontainers.utility;

import com.google.common.base.Charsets;
import com.google.common.io.Resources;
import lombok.experimental.UtilityClass;

import java.net.URL;
import java.util.List;

/**
 * Utility class to ensure that licenses have been accepted by the developer.
 */
@UtilityClass
public class LicenseAcceptance {

    private static final String ACCEPTANCE_FILE_NAME = "container-license-acceptance.txt";

    public static void assertLicenseAccepted(final String imageName) {
        try {
            final URL url = Resources.getResource(ACCEPTANCE_FILE_NAME);
            final List acceptedLicences = Resources.readLines(url, Charsets.UTF_8);

            if (acceptedLicences.stream().map(String::trim).anyMatch(imageName::equals)) {
                return;
            }
        } catch (Exception ignored) {
            // suppressed
        }

        throw new IllegalStateException(
            "The image " +
            imageName +
            " requires you to accept a license agreement. " +
            "Please place a file at the root of the classpath named " +
            ACCEPTANCE_FILE_NAME +
            ", e.g. at " +
            "src/test/resources/" +
            ACCEPTANCE_FILE_NAME +
            ". This file should contain the line:\n  " +
            imageName
        );
    }
}