public static ThumbnailDetail cropThumbnail(
ThumbnailDetail thumbnail, int thumbnailWidth, int thumbnailHeight) {
try {
ThumbnailDetail thumbDetailComplete = getThumbnailService().getCompleteThumbnail(thumbnail);
if (thumbDetailComplete.getCropFileName() != null) {
// on garde toujours le meme nom de fichier par contre on le supprime
// puis le recreer avec les nouvelles coordonnees
deleteThumbnailFileOnServer(
thumbnail.getInstanceId(), thumbDetailComplete.getCropFileName());
} else {
// case creation
String extension = FilenameUtils.getExtension(thumbDetailComplete.getOriginalFileName());
String cropFileName = String.valueOf(new Date().getTime()) + '.' + extension;
thumbDetailComplete.setCropFileName(cropFileName);
}
String pathCropdir = getImageDirectory(thumbnail.getInstanceId());
String pathOriginalFile = pathCropdir + thumbDetailComplete.getOriginalFileName();
String pathCropFile = pathCropdir + thumbDetailComplete.getCropFileName();
createCropThumbnailFileOnServer(
pathOriginalFile, pathCropdir, pathCropFile, thumbnail, thumbnailWidth, thumbnailHeight);
thumbDetailComplete.setXStart(thumbnail.getXStart());
thumbDetailComplete.setXLength(thumbnail.getXLength());
thumbDetailComplete.setYStart(thumbnail.getYStart());
thumbDetailComplete.setYLength(thumbnail.getYLength());
getThumbnailService().updateThumbnail(thumbDetailComplete);
return thumbDetailComplete;
} catch (Exception e) {
throw new ThumbnailRuntimeException(
"ThumbnailController.cropThumbnail()",
SilverpeasRuntimeException.ERROR,
"thumbnail_MSG_GET_IMAGE_KO",
e);
}
}
private static void createCropFile(
int thumbnailWidth, int thumbnailHeight, ThumbnailDetail thumbDetailComplete)
throws IOException, ThumbnailException {
String pathOriginalFile =
getImageDirectory(thumbDetailComplete.getInstanceId())
+ thumbDetailComplete.getOriginalFileName();
if (thumbnailWidth == -1 && thumbnailHeight != -1) {
// crop with fix height
String[] result =
ImageUtil.getWidthAndHeightByHeight(new File(pathOriginalFile), thumbnailHeight);
thumbnailWidth = Integer.valueOf(result[0]);
thumbnailHeight = Integer.valueOf(result[1]);
} else if (thumbnailHeight == -1 && thumbnailWidth != -1) {
// crop with fix width
String[] result =
ImageUtil.getWidthAndHeightByWidth(new File(pathOriginalFile), thumbnailWidth);
thumbnailWidth = Integer.valueOf(result[0]);
thumbnailHeight = Integer.valueOf(result[1]);
} else if (thumbnailHeight == -1) {
// crop full file
String[] result = ImageUtil.getWidthAndHeight(new File(pathOriginalFile));
thumbnailWidth = Integer.valueOf(result[0]);
thumbnailHeight = Integer.valueOf(result[1]);
}
String extension = FilenameUtils.getExtension(thumbDetailComplete.getOriginalFileName());
// add 2 to be sure cropfilename is different from original filename
String cropFileName = String.valueOf(new Date().getTime() + 2) + '.' + extension;
thumbDetailComplete.setCropFileName(cropFileName);
// crop sur l image entiere
cropFromPath(pathOriginalFile, thumbDetailComplete, thumbnailHeight, thumbnailWidth);
}
/**
* To update thumbnails files informations.
*
* @param thumbDetail :ThumbnailDetail.
* @author Sebastien ROCHET
*/
public static void updateThumbnail(ThumbnailDetail thumbDetail) {
try {
ThumbnailDetail completeThumbnail = getThumbnailService().getCompleteThumbnail(thumbDetail);
// first, delete former thumbnail
if (completeThumbnail != null) {
if (completeThumbnail.getCropFileName() != null) {
deleteThumbnailFileOnServer(
completeThumbnail.getInstanceId(), completeThumbnail.getCropFileName());
}
getThumbnailService().deleteThumbnail(thumbDetail);
}
thumbDetail.setCropFileName(null);
thumbDetail.setXLength(-1);
thumbDetail.setXStart(-1);
thumbDetail.setYLength(-1);
thumbDetail.setYStart(-1);
getThumbnailService().createThumbnail(thumbDetail);
} catch (Exception e) {
throw new ThumbnailRuntimeException(
"ThumbnailController.updateThumbnail()",
SilverpeasRuntimeException.ERROR,
"thumbnail_MSG_UPDATE_THUMBNAIL_KO",
e);
}
}
protected static void cropFromPath(
String pathOriginalFile,
ThumbnailDetail thumbDetailComplete,
int thumbnailHeight,
int thumbnailWidth)
throws IOException, ThumbnailException {
File originalFile = new File(pathOriginalFile);
BufferedImage bufferOriginal = ImageIO.read(originalFile);
if (bufferOriginal == null) {
SilverTrace.error(
"thumbnail",
"ThumbnailController.cropFromPath(int thumbnailWidth, "
+ "int thumbnailHeight,ThumbnailDetail thumbDetailComplete)",
"thumbnail.EX_MSG_NOT_AN_IMAGE",
"pathOriginalFile=" + pathOriginalFile);
throw new ThumbnailException(
"ThumbnailBmImpl.cropFromPath()",
SilverpeasException.ERROR,
"thumbnail.EX_MSG_NOT_AN_IMAGE");
} else {
thumbDetailComplete.setXStart(0);
thumbDetailComplete.setYStart(0);
thumbDetailComplete.setXLength(bufferOriginal.getWidth());
thumbDetailComplete.setYLength(bufferOriginal.getHeight());
String pathCropFile =
getImageDirectory(thumbDetailComplete.getInstanceId())
+ thumbDetailComplete.getCropFileName();
createCropThumbnailFileOnServer(
pathOriginalFile,
getImageDirectory(thumbDetailComplete.getInstanceId()),
pathCropFile,
thumbDetailComplete,
thumbnailWidth,
thumbnailHeight);
getThumbnailService().updateThumbnail(thumbDetailComplete);
}
}
public static void deleteThumbnail(ThumbnailDetail thumbDetail) {
try {
// delete the file on server
ThumbnailDetail completeThumbnail = getThumbnailService().getCompleteThumbnail(thumbDetail);
if (completeThumbnail != null) {
if (completeThumbnail.getOriginalFileName() != null) {
deleteThumbnailFileOnServer(
completeThumbnail.getInstanceId(), completeThumbnail.getOriginalFileName());
}
if (completeThumbnail.getCropFileName() != null) {
deleteThumbnailFileOnServer(
completeThumbnail.getInstanceId(), completeThumbnail.getCropFileName());
}
getThumbnailService().deleteThumbnail(thumbDetail);
}
} catch (Exception fe) {
throw new ThumbnailRuntimeException(
"ThumbnailController.deleteThumbnail(ThumbnailDetail thumbDetail)",
SilverpeasRuntimeException.ERROR,
"thumbnail_MSG_DELETE_THUMBNAIL_KO",
fe);
}
}