import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Objects;

class PathSource implements ModelSource {

    private final Path path;
    private final String location;

    PathSource(Path path) {
        this(path, null);
    }

    PathSource(Path path, String location) {
        this.path = path;
        this.location = location != null ? location : path.toString();

    static ModelSource fromPath(@Nonnull Path path) {
        return fromPath(path, null);
    }

    @Nonnull
    static ModelSource fromPath(@Nonnull Path path, @Nullable String location) {
        return new PathSource(nonNull(path, "path cannot be null"), location);
    }

    @Nullable
    Source resolve(@Nonnull String relative);

    /**
     * Creates a Source for the following Path
     */
    @Nonnull
    static Source fromPath(@Nonnull Path path) {
        return new PathSource(nonNull(path, "path cannot be null"));
    }