Create parent directories if it doesn't exists

buildSrc/src/main/java/com/uber/okbuck/core/dependency/exporter/JsonDependencyExporter.java

@@ -11,6 +11,7 @@
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
+import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.Set;
 import java.util.stream.Collectors;
@@ -25,6 +26,14 @@ public JsonDependencyExporter(ExportDependenciesExtension exportDependenciesExte
  this.exportDependenciesExtension = exportDependenciesExtension;
  }
 
+ private static void createParent(Path path){
+ try{
+ Files.createDirectories(path.getParent());
+ } catch (IOException e) {
+ throw new ExporterException(e);
+ }
+ }
+
  @Override
  public void export(Set<ExternalDependency> dependencies) {
  if (!exportDependenciesExtension.isEnabled()) {
@@ -38,10 +47,12 @@ public void export(Set<ExternalDependency> dependencies) {
  .collect(Collectors.toSet());
 
  Gson gson = new GsonBuilder().setPrettyPrinting().create();
+ String file = exportDependenciesExtension.getFile();
+ Path path = Paths.get(file);
+ createParent(path);
  try (BufferedWriter writer =
- Files.newBufferedWriter(
- Paths.get(exportDependenciesExtension.getFile()), StandardCharsets.UTF_8)) {
- LOG.info("Exporting dependencies to JSON at " + exportDependenciesExtension.getFile());
+ Files.newBufferedWriter(path, StandardCharsets.UTF_8)) {
+ LOG.info("Exporting dependencies to JSON at " + file);
  gson.toJson(dependencyModels, writer);
  } catch (IOException e) {
  throw new ExporterException(e);