Package de.uplanet.lucy.server.auxiliaries

Class Gallery

java.lang.Object

de.uplanet.lucy.server.auxiliaries.Gallery

@VelocityCallable("singleton")
public final class Gallery
extends Object

Gallery.java Load an image, scale it down and save it as a JPEG file.

Constructor Summary

Constructors

Constructor	Description
Gallery()

Method Summary

Modifier and Type	Method	Description
String	buildGallery(String p_strType, String p_strUploadTyp, String p_strGalleryDG, String p_strImgDG, String p_strFilename, String p_strSrcPath, String p_strGalleryName, int p_iGalLid)	Method to build up a new Gallery, method calls are depending on filetype - CopyUploadImage(if img) - ExtractArchive(if zip) - DelFile(if neither zip nor img)
String	copyUploadImage(String p_strImgDG, String p_strFilename, String p_strFileSrc, String p_strDirDst, int p_iGalLid)	Method to copy an uploaded image in the right folder and insert the data in the ImageDG
void	delDirectory(String p_strFolderName)	Deletes the gallery specific directory and all images included
void	delFileDB(int p_iFileLid, String p_strFileDG)	Method to delete a record from the datagroup where uploaded files are stored
boolean	delImages(String p_strImgDG, String p_strGalleryName, int p_iGalId, String p_strDelImgs)	Method to delete images, received from a vm, all checked images in the listview.
String	extractArchive(String p_strImgDG, File p_fileArchive, File p_dirDest, int p_iGalLid)	Method to extract a Zip-File and insert the data in the database at the same time The Zip-File is deleted afterwards
Iterator<Map.Entry<Integer,String>>	getFileList(String p_strGalleryDG, String p_strImgDG, int p_iGalleryId)	Method to return a map of images back to the vm, to realize the browsing through the images
boolean	rotate(String p_strImgDG, String p_strGalleryName, int p_iImgId, String p_strDirection)	Method to rotate an image, calls more methods
boolean	rotateImages(String p_strImgDG, int p_iGalleryId, int p_iAngle, String p_strGalleryName, String p_strImageName)	Method to rotate all images, original,preview,thumg,detail, calls other method if keeporiginal = true, then rotate original, and scale it down
boolean	rotateImg(int p_iAngle, String p_strImagePath, float p_fComp)	Method to rotate single image, original,preview,thumg,detail, calls other method
void	scaleGallery(String p_strNewImages, String p_strFolderName, String p_strGalleryDG, String p_strImageDG, int p_iGalleryId)	Method to scale all images in a gallery
void	updFileDB(int p_iGalLid, String p_strGalleryDG)	Method to update a record from the Gallery datagroup FILE_DATEIAUSWAHL Key has to be deleted after deleting the related record in the upload file datagroup

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Gallery

public Gallery()

Method Detail

extractArchive

public String extractArchive(String p_strImgDG,
                             File p_fileArchive,
                             File p_dirDest,
                             int p_iGalLid)

Method to extract a Zip-File and insert the data in the database at the same time The Zip-File is deleted afterwards

Parameters:

p_strImgDG - Tablename of image table

p_fileArchive - Zip Source File

p_dirDest - Destination where the files in the Zip-File are copied to

p_iGalLid - LID of the gallery in the gallery table.

copyUploadImage

public String copyUploadImage(String p_strImgDG,
                              String p_strFilename,
                              String p_strFileSrc,
                              String p_strDirDst,
                              int p_iGalLid)
                       throws SQLException,
                              IOException

Method to copy an uploaded image in the right folder and insert the data in the ImageDG

Parameters:

p_strImgDG - Name of image table.

p_strFilename - Name of the file.

p_strFileSrc - Sourcepath of the file.

p_strDirDst - Destination path of the file.

p_iGalLid - LID of the gallery in the Gallerytable

Throws:

SQLException

IOException

buildGallery

public String buildGallery(String p_strType,
                           String p_strUploadTyp,
                           String p_strGalleryDG,
                           String p_strImgDG,
                           String p_strFilename,
                           String p_strSrcPath,
                           String p_strGalleryName,
                           int p_iGalLid)
                    throws SQLException,
                           IOException

Method to build up a new Gallery, method calls are depending on filetype - CopyUploadImage(if img) - ExtractArchive(if zip) - DelFile(if neither zip nor img)

Parameters:

p_strType - defines what kind of upload: new or update

p_strUploadTyp - defines what kind of file is being uploaded: jpg or zip

p_strGalleryDG - Datagroup for Galleries

p_strImgDG - Datagroup for Images

p_strFilename - Name of the File

p_strSrcPath - Sourcepath of the File

p_strGalleryName - Name of the Gallery

p_iGalLid - LID of the Gallery in the Gallerytable

Throws:

SQLException

IOException

delDirectory

public void delDirectory(String p_strFolderName)

Deletes the gallery specific directory and all images included

Parameters:

p_strFolderName - The name of the directory to delete

delFileDB

public void delFileDB(int p_iFileLid,
                      String p_strFileDG)
               throws SQLException

Method to delete a record from the datagroup where uploaded files are stored

Parameters:

p_iFileLid - Id of the file to delete.

p_strFileDG - Name of the file to delete.

Throws:

SQLException

updFileDB

public void updFileDB(int p_iGalLid,
                      String p_strGalleryDG)
               throws SQLException

Method to update a record from the Gallery datagroup FILE_DATEIAUSWAHL Key has to be deleted after deleting the related record in the upload file datagroup

Parameters:

p_iGalLid - Id of the gallery to update

p_strGalleryDG - Name of the gallery to update

Throws:

SQLException

scaleGallery

public void scaleGallery(String p_strNewImages,
                         String p_strFolderName,
                         String p_strGalleryDG,
                         String p_strImageDG,
                         int p_iGalleryId)
                  throws Exception

Method to scale all images in a gallery

Parameters:

p_strNewImages - String including all id's of the images to scale

p_strFolderName - Name of the folder of the gallery

p_strGalleryDG - Datagroup of the galleries

p_strImageDG - Name of the image datagroup

p_iGalleryId - Id of the gallery

Throws:

Exception

getFileList

public Iterator<Map.Entry<Integer,String>> getFileList(String p_strGalleryDG,
                                                             String p_strImgDG,
                                                             int p_iGalleryId)
                                                      throws SQLException

Method to return a map of images back to the vm, to realize the browsing through the images

Parameters:

p_strGalleryDG - Datagroup of the galleries

p_strImgDG - Datagroup of the images

p_iGalleryId - Id of the gallery

Returns:

A map of images.

Throws:

SQLException

rotate

public boolean rotate(String p_strImgDG,
                      String p_strGalleryName,
                      int p_iImgId,
                      String p_strDirection)
               throws SQLException,
                      IOException

Method to rotate an image, calls more methods

Parameters:

p_strImgDG - Datagroup of the images

p_strGalleryName - Name of the gallery

p_iImgId - Id of the image to rotate

p_strDirection - Direction of the rotation: left,right, always 90degrees

Returns:

True, if no errors during rotation, else false.

Throws:

SQLException

IOException

rotateImages

public boolean rotateImages(String p_strImgDG,
                            int p_iGalleryId,
                            int p_iAngle,
                            String p_strGalleryName,
                            String p_strImageName)
                     throws SQLException,
                            IOException

Method to rotate all images, original,preview,thumg,detail, calls other method if keeporiginal = true, then rotate original, and scale it down

Parameters:

p_strImgDG - Datagroup of the images

p_iGalleryId - Id of the gallery

p_iAngle - degrees to rotate: 90,-90

p_strGalleryName - Name of the gallery

p_strImageName - Name of the image

Returns:

True, if no errors during rotation.

Throws:

SQLException

IOException

rotateImg

public boolean rotateImg(int p_iAngle,
                         String p_strImagePath,
                         float p_fComp)

Method to rotate single image, original,preview,thumg,detail, calls other method

Parameters:

p_iAngle - degrees to rotate: 90,-90

p_strImagePath - Fullqualified path to the image to rotate

p_fComp - Compression ratio

Returns:

True, if no errors during rotation.

delImages

public boolean delImages(String p_strImgDG,
                         String p_strGalleryName,
                         int p_iGalId,
                         String p_strDelImgs)
                  throws SQLException

Method to delete images, received from a vm, all checked images in the listview. Deletes the images from the image datagroup and calls method to delete images from filesystem

Parameters:

p_strImgDG - Name of the image datagroup

p_strGalleryName - Name of the gallery

p_iGalId - Id of the gallery

p_strDelImgs - String containing all IDs of the images to delete

Returns:

True, if deletion worked withour errors.

Throws:

SQLException