redis.embedded.core.ExecutableProvider Maven / Gradle / Ivy

Go to download
package redis.embedded.core;

import redis.embedded.model.OsArchitecture;

import java.io.*;
import java.net.HttpURLConnection;
import java.net.URI;
import java.nio.file.Path;
import java.util.HashMap;
import java.util.Map;

import static java.net.HttpURLConnection.HTTP_OK;
import static java.nio.file.Files.*;
import static java.nio.file.StandardOpenOption.*;
import static java.nio.file.attribute.PosixFilePermissions.fromString;
import static redis.embedded.model.OsArchitecture.*;
import static redis.embedded.util.IO.findBinaryInPath;
import static redis.embedded.util.IO.writeResourceToExecutableFile;

public interface ExecutableProvider {

    String ENVIRONMENT_EXECUTABLE_LOCATION = "EMBEDDED_REDIS_EXECUTABLE";
    String PROPERTY_EXECUTABLE_LOCATION = "embedded.redis.executable";

    URI REDIS_7_2_MACOSX_14_SONOMA_HANKCP = URI.create("https://github.com/codemonstur/embedded-redis/raw/master/src/main/binaries/redis-server-7.2-darwin-arm64");

    File get() throws IOException;

    static ExecutableProvider newEmbeddedRedisProvider() {
        final Map executables = newProvidedVersionsMap();
        return () -> writeResourceToExecutableFile(executables.get(detectOSandArchitecture()));
    }

    static ExecutableProvider newFileThenJarResourceProvider(final Map executables) {
        return () -> {
            final String executablePath = executables.get(detectOSandArchitecture());
            final File executable = new File(executablePath);
            return executable.isFile() ? executable : writeResourceToExecutableFile(executablePath);
        };
    }

    static ExecutableProvider newEnvironmentVariableProvider() {
        return newEnvironmentVariableProvider(ENVIRONMENT_EXECUTABLE_LOCATION);
    }
    static ExecutableProvider newEnvironmentVariableProvider(final String envName) {
        return () -> new File(System.getenv(envName));
    }

    static ExecutableProvider newSystemPropertyProvider() {
        return newSystemPropertyProvider(PROPERTY_EXECUTABLE_LOCATION);
    }
    static ExecutableProvider newSystemPropertyProvider(final String propertyName) {
        return () -> new File(System.getProperty(propertyName));
    }

    static ExecutableProvider newJarResourceProvider(final Map executables) {
        return () -> writeResourceToExecutableFile(executables.get(detectOSandArchitecture()));
    }

    static ExecutableProvider newExecutableInPath(final String executableName) throws FileNotFoundException {
        return findBinaryInPath(executableName)::toFile;
    }

    static ExecutableProvider newCachedUrlProvider(final Path cachedLocation, final URI uri) {
        return () -> {
            if (isRegularFile(cachedLocation))
                return cachedLocation.toFile();

            final HttpURLConnection connection = (HttpURLConnection) uri.toURL().openConnection();
            try {
                if (connection.getResponseCode() != HTTP_OK)
                    throw new IOException("Failed to download redis binary from " + uri + ", status code is " + connection.getResponseCode());

                createDirectories(cachedLocation.getParent());
                try (final OutputStream out = newOutputStream(cachedLocation, CREATE, WRITE, TRUNCATE_EXISTING);
                     final InputStream in = connection.getInputStream()) {

                    final byte[] buffer = new byte[8192];
                    int length; while ((length = in.read(buffer)) != -1) {
                        out.write(buffer, 0, length);
                    }
                }
                cachedLocation.toFile().setExecutable(true);

                return cachedLocation.toFile();
            } finally {
                connection.disconnect();
            }
        };
    }

    static Map newProvidedVersionsMap() {
        final Map map = new HashMap<>();
        map.put(UNIX_x86, "/redis-server-6.2.7-linux-386");
        map.put(UNIX_x86_64, "/redis-server-6.2.6-v5-linux-amd64");
        map.put(UNIX_AARCH64, "/redis-server-6.2.7-linux-arm64");
        map.put(WINDOWS_x86_64, "/redis-server-5.0.14.1-windows-amd64.exe");
        map.put(MAC_OS_X_x86_64, "/redis-server-6.2.6-v5-darwin-amd64");
        map.put(MAC_OS_X_ARM64, "/redis-server-6.2.6-v5-darwin-arm64");
        return map;
    }

}