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How to use ChainedImageNameSubstitutor method of org.testcontainers.utility.ImageNameSubstitutor class

Best Testcontainers-java code snippet using org.testcontainers.utility.ImageNameSubstitutor.ChainedImageNameSubstitutor

Source:ImageNameSubstitutor.java

...29                } catch (Exception e) {30                    throw new IllegalArgumentException("Configured Image Substitutor could not be loaded: " + configuredClassName, e);31                }32                log.info("Found configured ImageNameSubstitutor: {}", configuredInstance.getDescription());33                instance = new ChainedImageNameSubstitutor(34                    wrapWithLogging(defaultImplementation),35                    wrapWithLogging(configuredInstance)36                );37            } else {38                instance = wrapWithLogging(defaultImplementation);39            }40            log.info("Image name substitution will be performed by: {}", instance.getDescription());41        }42        return instance;43    }44    private static ImageNameSubstitutor wrapWithLogging(final ImageNameSubstitutor wrappedInstance) {45        return new LogWrappedImageNameSubstitutor(wrappedInstance);46    }47    /**48     * Substitute a {@link DockerImageName} for another, for example to replace a generic Docker Hub image name with a49     * private registry copy of the image.50     *51     * @param original original name to be replaced52     * @return a replacement name, or the original, as appropriate53     */54    public abstract DockerImageName apply(DockerImageName original);55    /**56     * @return a human-readable description of the substitutor57     */58    protected abstract String getDescription();59    /**60     * Wrapper substitutor which logs which substitutions have been performed.61     */62    static class LogWrappedImageNameSubstitutor extends ImageNameSubstitutor {63        @VisibleForTesting64        final ImageNameSubstitutor wrappedInstance;65        public LogWrappedImageNameSubstitutor(final ImageNameSubstitutor wrappedInstance) {66            this.wrappedInstance = wrappedInstance;67        }68        @Override69        public DockerImageName apply(final DockerImageName original) {70            final DockerImageName replacementImage = wrappedInstance.apply(original);71            if (!replacementImage.equals(original)) {72                log.info("Using {} as a substitute image for {} (using image substitutor: {})", replacementImage.asCanonicalNameString(), original.asCanonicalNameString(), wrappedInstance.getDescription());73                return replacementImage;74            } else {75                log.debug("Did not find a substitute image for {} (using image substitutor: {})", original.asCanonicalNameString(), wrappedInstance.getDescription());76                return original;77            }78        }79        @Override80        protected String getDescription() {81            return wrappedInstance.getDescription();82        }83    }84    /**85     * Wrapper substitutor that passes the original image name through a default substitutor and then the configured one86     */87    static class ChainedImageNameSubstitutor extends ImageNameSubstitutor {88        private final ImageNameSubstitutor defaultInstance;89        private final ImageNameSubstitutor configuredInstance;90        public ChainedImageNameSubstitutor(ImageNameSubstitutor defaultInstance, ImageNameSubstitutor configuredInstance) {91            this.defaultInstance = defaultInstance;92            this.configuredInstance = configuredInstance;93        }94        @Override95        public DockerImageName apply(DockerImageName original) {96            return defaultInstance.andThen(configuredInstance).apply(original);97        }98        @Override99        protected String getDescription() {100            return String.format(101                "Chained substitutor of '%s' and then '%s'",102                defaultInstance.getDescription(),103                configuredInstance.getDescription()104            );...

ChainedImageNameSubstitutor

Using AI Code Generation

1import java.util.Arrays;2import java.util.List;3import org.testcontainers.utility.Base58;4import org.testcontainers.utility.DockerImageName;5import org.testcontainers.utility.ImageNameSubstitutor;6public class ChainedImageNameSubstitutor implements ImageNameSubstitutor {7    private final List<ImageNameSubstitutor> imageNameSubstitutors;8    public ChainedImageNameSubstitutor(ImageNameSubstitutor... imageNameSubstitutors) {9        this.imageNameSubstitutors = Arrays.asList(imageNameSubstitutors);10    }11    public DockerImageName apply(DockerImageName original) {12        DockerImageName result = original;13        for (ImageNameSubstitutor imageNameSubstitutor : imageNameSubstitutors) {14            result = imageNameSubstitutor.apply(result);15        }16        return result;17    }18}19import java.util.Optional;20import org.testcontainers.utility.DockerImageName;21import org.testcontainers.utility.ImageNameSubstitutor;22public class CustomImageNameSubstitutor implements ImageNameSubstitutor {23    public DockerImageName apply(DockerImageName original) {24        return Optional.ofNullable(System.getenv("TESTCONTAINERS_IMAGE_NAME_SUBSTITUTE"))25            .map(substitute -> DockerImageName.parse(substitute))26            .orElse(original);27    }28}29import org.junit.jupiter.api.Test;30import org.testcontainers.containers.GenericContainer;31import org.testcontainers.utility.DockerImageName;32import org.testcontainers.utility.ImageNameSubstitutor;33public class CustomImageNameSubstitutorTest {34    public void testCustomImageNameSubstitutor() {35        ImageNameSubstitutor imageNameSubstitutor = new ChainedImageNameSubstitutor(new CustomImageNameSubstitutor());36        GenericContainer container = new GenericContainer(DockerImageName.parse("alpine:3.13.4"))37            .withImageNameSubstitutor(imageNameSubstitutor);38        container.start();39    }40}

ChainedImageNameSubstitutor

Using AI Code Generation

1import org.testcontainers.utility.ImageNameSubstitutor;2public class ChainedImageNameSubstitutor {3    public static void main(String[] args) {4                .chained(5                        ImageNameSubstitutor.withPrefix("my-custom-registry"),6                        ImageNameSubstitutor.withPrefix("my-custom-registry-2"),7                        ImageNameSubstitutor.withPrefix("my-custom-registry-3")8                );9        System.out.println(chainedImageNameSubstitutor.apply("alpine:3.9"));10    }11}

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