Grailsでファイルのアップロード

gistfile1.txt

------ view.gsp ------
<g:form action="save" method="post" enctype="multipart/form-data">
  <input type="file" id="fileStore.content" name="fileStore.content"/>
</g:form>

------ Controller.groovy ------
def save = {
  def f = request.getFile('fileStore.content')
  if (!f.empty) {
    def fileContent = new FileContent()
    fileContent.image = f.bytes
    def fileStore = new FileStore(content:fileContent)
    fileStore.contentType = f.contentType
    fileStore.filename = f.originalFilename
    fileStore.save()
    println fileStore.dump()
  }
}

-------
class FileStore {
  String filename
  FileContent content
  String contentType
 
  public String toString() { "$id:$filename" }
 
  static mapping = {
    content lazy: true
  }
}
 
------
class FileContent {
  byte[] image
  static def belongsTo = [fileStore: FileStore]
}