server/apps/jpa-app/src/main/java/org/apache/james/JPAJamesConfiguration.java [34:96]:
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public class JPAJamesConfiguration implements Configuration {
    public static class Builder {
        private Optional<String> rootDirectory;
        private Optional<ConfigurationPath> configurationPath;
        private Optional<UsersRepositoryModuleChooser.Implementation> usersRepositoryImplementation;

        private Builder() {
            rootDirectory = Optional.empty();
            configurationPath = Optional.empty();
            usersRepositoryImplementation = Optional.empty();
        }

        public Builder workingDirectory(String path) {
            rootDirectory = Optional.of(path);
            return this;
        }

        public Builder workingDirectory(File file) {
            rootDirectory = Optional.of(file.getAbsolutePath());
            return this;
        }

        public Builder useWorkingDirectoryEnvProperty() {
            rootDirectory = Optional.ofNullable(System.getProperty(WORKING_DIRECTORY));
            if (!rootDirectory.isPresent()) {
                throw new MissingArgumentException("Server needs a working.directory env entry");
            }
            return this;
        }

        public Builder configurationPath(ConfigurationPath path) {
            configurationPath = Optional.of(path);
            return this;
        }

        public Builder configurationFromClasspath() {
            configurationPath = Optional.of(new ConfigurationPath(FileSystem.CLASSPATH_PROTOCOL));
            return this;
        }

        public Builder usersRepository(UsersRepositoryModuleChooser.Implementation implementation) {
            this.usersRepositoryImplementation = Optional.of(implementation);
            return this;
        }

        public JPAJamesConfiguration build() {
            ConfigurationPath configurationPath = this.configurationPath.orElse(new ConfigurationPath(FileSystem.FILE_PROTOCOL_AND_CONF));
            JamesServerResourceLoader directories = new JamesServerResourceLoader(rootDirectory
                .orElseThrow(() -> new MissingArgumentException("Server needs a working.directory env entry")));

            FileSystemImpl fileSystem = new FileSystemImpl(directories);

            FileConfigurationProvider configurationProvider = new FileConfigurationProvider(fileSystem, Basic.builder()
                .configurationPath(configurationPath)
                .workingDirectory(directories.getRootDirectory())
                .build());
            UsersRepositoryModuleChooser.Implementation usersRepositoryChoice = usersRepositoryImplementation.orElseGet(
                () -> UsersRepositoryModuleChooser.Implementation.parse(configurationProvider));

            return new JPAJamesConfiguration(
                configurationPath,
                directories,
                usersRepositoryChoice);
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server/apps/jpa-smtp-app/src/main/java/org/apache/james/JPAJamesConfiguration.java [34:96]:
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public class JPAJamesConfiguration implements Configuration {
    public static class Builder {
        private Optional<String> rootDirectory;
        private Optional<ConfigurationPath> configurationPath;
        private Optional<UsersRepositoryModuleChooser.Implementation> usersRepositoryImplementation;

        private Builder() {
            rootDirectory = Optional.empty();
            configurationPath = Optional.empty();
            usersRepositoryImplementation = Optional.empty();
        }

        public Builder workingDirectory(String path) {
            rootDirectory = Optional.of(path);
            return this;
        }

        public Builder workingDirectory(File file) {
            rootDirectory = Optional.of(file.getAbsolutePath());
            return this;
        }

        public Builder useWorkingDirectoryEnvProperty() {
            rootDirectory = Optional.ofNullable(System.getProperty(WORKING_DIRECTORY));
            if (!rootDirectory.isPresent()) {
                throw new MissingArgumentException("Server needs a working.directory env entry");
            }
            return this;
        }

        public Builder configurationPath(ConfigurationPath path) {
            configurationPath = Optional.of(path);
            return this;
        }

        public Builder configurationFromClasspath() {
            configurationPath = Optional.of(new ConfigurationPath(FileSystem.CLASSPATH_PROTOCOL));
            return this;
        }

        public Builder usersRepository(UsersRepositoryModuleChooser.Implementation implementation) {
            this.usersRepositoryImplementation = Optional.of(implementation);
            return this;
        }

        public JPAJamesConfiguration build() {
            ConfigurationPath configurationPath = this.configurationPath.orElse(new ConfigurationPath(FileSystem.FILE_PROTOCOL_AND_CONF));
            JamesServerResourceLoader directories = new JamesServerResourceLoader(rootDirectory
                .orElseThrow(() -> new MissingArgumentException("Server needs a working.directory env entry")));

            FileSystemImpl fileSystem = new FileSystemImpl(directories);

            FileConfigurationProvider configurationProvider = new FileConfigurationProvider(fileSystem, Basic.builder()
                .configurationPath(configurationPath)
                .workingDirectory(directories.getRootDirectory())
                .build());
            UsersRepositoryModuleChooser.Implementation usersRepositoryChoice = usersRepositoryImplementation.orElseGet(
                () -> UsersRepositoryModuleChooser.Implementation.parse(configurationProvider));

            return new JPAJamesConfiguration(
                configurationPath,
                directories,
                usersRepositoryChoice);
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