Download a file from the file store as an embeddable image file

DownloadImageFile.groovy

import static com.axeda.sdk.v2.dsl.Bridges.*
import javax.activation.MimetypesFileTypeMap
import com.axeda.services.v2.*
import com.axeda.sdk.v2.exception.*
import com.axeda.drm.sdk.scripto.Request
 
def knowntypes = [
         [png: 'image/png']
        ,[gif: 'image/gif']
        ,[jpg: 'image/jpeg']
    ]
 
def params = Request.parameters.size() > 0 ? Request.parameters : parameters
 
def response = fileInfoBridge.getFileData(params.fileId)
 
def fileinfo = fileInfoBridge.findById(params.fileId)
 
def type = fileinfo.filename.substring(fileinfo.filename.indexOf('.') + 1,fileinfo.filename.size())
 
type = returnType(knowntypes, type)
 
def contentType = params.type ?: (type ?: 'image/jpg')
 
return ['Content': response, 'Content-Disposition': contentType, 'Content-Type':contentType]
  
def returnType(knowntypes, ext){
    return knowntypes.find{ it.containsKey(ext) }?."$ext"
}