private void _generateImages(FileVersion fileVersion, File file) throws Exception {
if (GhostscriptUtil.isEnabled()) {
if (!_ghostscriptInitialized) {
GhostscriptUtil.reset();
_ghostscriptInitialized = true;
}
_generateImagesGS(fileVersion, file);
} else {
_generateImagesPB(fileVersion, file);
}
}
protected void updateExternalServices(ActionRequest actionRequest, PortletPreferences preferences)
throws Exception {
boolean imageMagickEnabled = ParamUtil.getBoolean(actionRequest, "imageMagickEnabled");
String imageMagickPath = ParamUtil.getString(actionRequest, "imageMagickPath");
boolean openOfficeEnabled = ParamUtil.getBoolean(actionRequest, "openOfficeEnabled");
int openOfficePort = ParamUtil.getInteger(actionRequest, "openOfficePort");
boolean xugglerEnabled = ParamUtil.getBoolean(actionRequest, "xugglerEnabled");
preferences.setValue(PropsKeys.IMAGEMAGICK_ENABLED, String.valueOf(imageMagickEnabled));
preferences.setValue(PropsKeys.IMAGEMAGICK_GLOBAL_SEARCH_PATH, imageMagickPath);
preferences.setValue(PropsKeys.OPENOFFICE_SERVER_ENABLED, String.valueOf(openOfficeEnabled));
preferences.setValue(PropsKeys.OPENOFFICE_SERVER_PORT, String.valueOf(openOfficePort));
preferences.setValue(PropsKeys.XUGGLER_ENABLED, String.valueOf(xugglerEnabled));
Enumeration<String> enu = actionRequest.getParameterNames();
while (enu.hasMoreElements()) {
String name = enu.nextElement();
if (name.startsWith("imageMagickLimit")) {
String key = name.substring(16, name.length()).toLowerCase();
String value = ParamUtil.getString(actionRequest, name);
preferences.setValue(PropsKeys.IMAGEMAGICK_RESOURCE_LIMIT + key, value);
}
}
preferences.store();
GhostscriptUtil.reset();
ImageMagickUtil.reset();
}
private void _generateImages(FileVersion fileVersion, InputStream inputStream) throws Exception {
if (GhostscriptUtil.isEnabled()) {
_generateImagesGS(fileVersion, inputStream);
} else {
_generateImagesPB(fileVersion, inputStream);
}
}
private void _generateImagesGS(FileVersion fileVersion, File file, boolean thumbnail)
throws Exception {
// Generate images
String tempFileId =
DLUtil.getTempFileId(fileVersion.getFileEntryId(), fileVersion.getVersion());
List<String> arguments = new ArrayList<String>();
arguments.add("-sDEVICE=png16m");
if (thumbnail) {
arguments.add("-sOutputFile=" + getThumbnailTempFilePath(tempFileId));
arguments.add("-dFirstPage=1");
arguments.add("-dLastPage=1");
} else {
arguments.add("-sOutputFile=" + getPreviewTempFilePath(tempFileId, -1));
}
arguments.add("-dPDFFitPage");
arguments.add("-dTextAlphaBits=4");
arguments.add("-dGraphicsAlphaBits=4");
arguments.add("-r" + PropsValues.DL_FILE_ENTRY_PREVIEW_DOCUMENT_DPI);
if (PropsValues.DL_FILE_ENTRY_PREVIEW_DOCUMENT_MAX_WIDTH != 0) {
arguments.add("-dDEVICEWIDTH" + PropsValues.DL_FILE_ENTRY_PREVIEW_DOCUMENT_MAX_WIDTH);
}
if (PropsValues.DL_FILE_ENTRY_PREVIEW_DOCUMENT_MAX_HEIGHT != 0) {
arguments.add("-dDEVICEHEIGHT" + PropsValues.DL_FILE_ENTRY_PREVIEW_DOCUMENT_MAX_HEIGHT);
}
arguments.add(file.getPath());
Future<?> future = GhostscriptUtil.execute(arguments);
String processIdentity = String.valueOf(fileVersion.getFileVersionId());
futures.put(processIdentity, future);
future.get();
// Store images
if (thumbnail) {
File thumbnailTempFile = getThumbnailTempFile(tempFileId);
try {
storeThumbnailImages(fileVersion, thumbnailTempFile);
} finally {
FileUtil.delete(thumbnailTempFile);
}
} else {
int total = getPreviewTempFileCount(fileVersion);
for (int i = 0; i < total; i++) {
File previewTempFile = getPreviewTempFile(tempFileId, i + 2);
try {
addFileToStore(
fileVersion.getCompanyId(),
PREVIEW_PATH,
getPreviewFilePath(fileVersion, i + 1),
previewTempFile);
} finally {
FileUtil.delete(previewTempFile);
}
}
}
}