protected File getFileFromLocalRepository(String cachedFileName) {
// Look for a shared file (this represents a file that was based on a file originally in the
// classpath.
File cacheFile = broadleafFileService.getSharedLocalResource(cachedFileName);
if (cacheFile.exists()) {
return cacheFile;
} else {
return broadleafFileService.getLocalResource(cachedFileName);
}
}
@Transactional("blTransactionManagerAssetStorageInfo")
@Override
public Map<String, String> getCacheFileModel(String fullUrl, Map<String, String> parameterMap)
throws Exception {
StaticAsset staticAsset = findStaticAsset(fullUrl);
if (staticAsset == null) {
throw new AssetNotFoundException("Unable to find an asset for the url (" + fullUrl + ")");
}
String mimeType = staticAsset.getMimeType();
// extract the values for any named parameters
Map<String, String> convertedParameters =
namedOperationManager.manageNamedParameters(parameterMap);
String cachedFileName = constructCacheFileName(staticAsset, convertedParameters);
// Look for a shared file (this represents a file that was based on a file originally in the
// classpath.
File cacheFile = getFileFromLocalRepository(cachedFileName);
if (cacheFile.exists()) {
return buildModel(cacheFile.getAbsolutePath(), mimeType);
}
// Obtain the base file (that we may need to convert based on the parameters
String baseCachedFileName = constructCacheFileName(staticAsset, null);
File baseLocalFile = getFileFromLocalRepository(baseCachedFileName);
if (!baseLocalFile.exists()) {
if (broadleafFileService.checkForResourceOnClassPath(staticAsset.getFullUrl())) {
cacheFile = broadleafFileService.getSharedLocalResource(cachedFileName);
baseLocalFile = broadleafFileService.getSharedLocalResource(baseCachedFileName);
createLocalFileFromClassPathResource(staticAsset, baseLocalFile);
} else {
baseLocalFile = lookupAssetAndCreateLocalFile(staticAsset, baseLocalFile);
}
}
if (convertedParameters.isEmpty()) {
return buildModel(baseLocalFile.getAbsolutePath(), mimeType);
} else {
FileInputStream assetStream = new FileInputStream(baseLocalFile);
BufferedInputStream original = new BufferedInputStream(assetStream);
original.mark(0);
Operation[] operations =
artifactService.buildOperations(convertedParameters, original, staticAsset.getMimeType());
InputStream converted =
artifactService.convert(original, operations, staticAsset.getMimeType());
createLocalFileFromInputStream(converted, cacheFile);
if ("image/gif".equals(mimeType)) {
mimeType = "image/png";
}
return buildModel(cacheFile.getAbsolutePath(), mimeType);
}
}
@Transactional("blTransactionManagerAssetStorageInfo")
@Override
public void createStaticAssetStorageFromFile(MultipartFile file, StaticAsset staticAsset)
throws IOException {
if (StorageType.DATABASE.equals(staticAsset.getStorageType())) {
StaticAssetStorage storage = staticAssetStorageDao.create();
storage.setStaticAssetId(staticAsset.getId());
Blob uploadBlob = staticAssetStorageDao.createBlob(file);
storage.setFileData(uploadBlob);
staticAssetStorageDao.save(storage);
} else if (StorageType.FILESYSTEM.equals(staticAsset.getStorageType())) {
FileWorkArea tempWorkArea = broadleafFileService.initializeWorkArea();
String destFileName =
tempWorkArea.getFilePathLocation() + removeLeadingSlash(staticAsset.getFullUrl());
InputStream input = file.getInputStream();
byte[] buffer = new byte[fileBufferSize];
File destFile = new File(destFileName);
if (!destFile.getParentFile().exists()) {
if (!destFile.getParentFile().mkdirs()) {
throw new RuntimeException(
"Unable to create parent directories for file: " + destFileName);
}
}
OutputStream output = new FileOutputStream(destFile);
boolean deleteFile = false;
try {
int bytesRead;
int totalBytesRead = 0;
while ((bytesRead = input.read(buffer)) != -1) {
totalBytesRead += bytesRead;
if (totalBytesRead > maxUploadableFileSize) {
deleteFile = true;
throw new IOException("Maximum Upload File Size Exceeded");
}
output.write(buffer, 0, bytesRead);
}
broadleafFileService.addOrUpdateResource(tempWorkArea, destFile, true);
} finally {
output.close();
broadleafFileService.closeWorkArea(tempWorkArea);
}
}
}
protected void createLocalFileFromInputStream(InputStream is, File baseLocalFile)
throws IOException {
BufferedOutputStream bos = null;
FileWorkArea workArea = null;
try {
if (!baseLocalFile.getParentFile().exists()) {
if (!baseLocalFile.getParentFile().mkdirs()) {
throw new RuntimeException(
"Unable to create middle directories for file: " + baseLocalFile.getAbsolutePath());
}
}
workArea = broadleafFileService.initializeWorkArea();
File tmpFile =
new File(appendTrailingSlash(workArea.getFilePathLocation()) + baseLocalFile.getName());
bos = new BufferedOutputStream(new FileOutputStream(tmpFile));
boolean eof = false;
int temp;
while (!eof) {
temp = is.read();
if (temp < 0) {
eof = true;
} else {
bos.write(temp);
}
}
FileUtils.moveFile(tmpFile, baseLocalFile);
} finally {
try {
if (bos != null) {
bos.flush();
bos.close();
}
if (workArea != null) {
broadleafFileService.closeWorkArea(workArea);
}
} catch (Throwable e) {
// do nothing
}
}
}
protected File lookupAssetAndCreateLocalFile(StaticAsset staticAsset, File baseLocalFile)
throws IOException, SQLException {
if (StorageType.FILESYSTEM.equals(staticAsset.getStorageType())) {
return broadleafFileService.getResource(staticAsset.getFullUrl());
} else {
StaticAssetStorage storage = readStaticAssetStorageByStaticAssetId(staticAsset.getId());
if (storage != null) {
InputStream is = storage.getFileData().getBinaryStream();
createLocalFileFromInputStream(is, baseLocalFile);
}
}
return baseLocalFile;
}
protected void createLocalFileFromClassPathResource(StaticAsset staticAsset, File baseLocalFile)
throws IOException {
InputStream is = broadleafFileService.getClasspathResource(staticAsset.getFullUrl());
createLocalFileFromInputStream(is, baseLocalFile);
}