@Override
public BlobHolder convert(BlobHolder blobHolder, Map<String, Serializable> parameters)
throws ConversionException {
try {
// Make sure the toThumbnail command is available
CommandLineExecutorService cles = Framework.getLocalService(CommandLineExecutorService.class);
CommandAvailability commandAvailability = cles.getCommandAvailability(THUMBNAIL_COMMAND);
if (!commandAvailability.isAvailable()) {
return null;
}
// get the input and output of the command
Blob blob = blobHolder.getBlob();
File inputFile = null;
if (blob instanceof FileBlob) {
inputFile = ((FileBlob) blob).getFile();
} else if (blob instanceof SQLBlob) {
StreamSource source = ((SQLBlob) blob).getBinary().getStreamSource();
inputFile = ((FileSource) source).getFile();
} else if (blob instanceof StreamingBlob) {
StreamingBlob streamingBlob = ((StreamingBlob) blob);
if (!streamingBlob.isPersistent()) {
streamingBlob.persist();
}
StreamSource source = streamingBlob.getStreamSource();
inputFile = ((FileSource) source).getFile();
}
if (inputFile == null) {
return null;
}
CmdParameters params = new CmdParameters();
File outputFile = File.createTempFile("nuxeoImageTarget", "." + "png");
String size = THUMBNAIL_DEFAULT_SIZE;
if (parameters != null) {
if (parameters.containsKey(THUMBNAIL_SIZE_PARAMETER_NAME)) {
size = (String) parameters.get(THUMBNAIL_SIZE_PARAMETER_NAME);
}
}
params.addNamedParameter(THUMBNAIL_SIZE_PARAMETER_NAME, size);
params.addNamedParameter("inputFilePath", inputFile);
params.addNamedParameter("outputFilePath", outputFile);
ExecResult res = cles.execCommand(THUMBNAIL_COMMAND, params);
if (!res.isSuccessful()) {
throw res.getError();
}
Blob targetBlob = new FileBlob(outputFile);
Framework.trackFile(outputFile, targetBlob);
return new SimpleCachableBlobHolder(targetBlob);
} catch (CommandNotAvailable | IOException | ClientException | CommandException e) {
throw new ConversionException("Thumbnail conversion failed", e);
}
}
@Override
public BlobHolder convert(BlobHolder blobHolder, Map<String, Serializable> parameters)
throws ConversionException {
try {
// Make sure the toThumbnail command is available
CommandLineExecutorService cles = Framework.getLocalService(CommandLineExecutorService.class);
CommandAvailability commandAvailability = cles.getCommandAvailability(THUMBNAIL_COMMAND);
if (!commandAvailability.isAvailable()) {
return null;
}
// get the input and output of the command
Blob blob = blobHolder.getBlob();
Blob targetBlob = Blobs.createBlobWithExtension(".png");
targetBlob.setMimeType("image/png");
try (CloseableFile source = blob.getCloseableFile()) {
CmdParameters params = new CmdParameters();
String size;
if (parameters != null && parameters.containsKey(THUMBNAIL_SIZE_PARAMETER_NAME)) {
size = (String) parameters.get(THUMBNAIL_SIZE_PARAMETER_NAME);
} else {
size = THUMBNAIL_DEFAULT_SIZE;
}
params.addNamedParameter(THUMBNAIL_SIZE_PARAMETER_NAME, size);
params.addNamedParameter("inputFilePath", source.getFile());
params.addNamedParameter("outputFilePath", targetBlob.getFile());
ExecResult res = cles.execCommand(THUMBNAIL_COMMAND, params);
if (!res.isSuccessful()) {
throw res.getError();
}
}
return new SimpleCachableBlobHolder(targetBlob);
} catch (CommandNotAvailable | IOException | ClientException | CommandException e) {
throw new ConversionException("Thumbnail conversion failed", e);
}
}