[blogging purpose] grails upload controller

UploadController.groovy

package [Your_Project]

class UploadController {

    def amazonS3Service
    def s3Bucket = 'Your_S3_Bucket_Name'
	
    def index() {
        def uploadedFile = request.getFile('file')

        if (uploadedFile && !uploadedFile.empty) {
            def key = uploadedFile.getOriginalFilename()

            // push uploaded file to S3
            amazonS3Service.storeMultipartFile(s3Bucket, key, uploadedFile)
            log.debug "written to s3"
        } else {
            log.debug "No file uploaded"
        }

        return
    }
}