@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);
}
}
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);
}
}
