/**
* @param logging
* @param origin origin source
* @param ident unique identity for this cached source, used in filename
* @param descr description of the source, used in logging
* @param logging if true, log cache access
* @return new source
*/
public ResourceModelSource createCachingSource(
ResourceModelSource origin,
String ident,
String descr,
SourceFactory.CacheType type,
final boolean logging) {
final File file = getResourceModelSourceFileCacheForType(ident);
final ResourceModelSourceService nodesSourceService = getResourceModelSourceService();
final ResourceFormatGeneratorService resourceFormatGeneratorService =
getResourceFormatGeneratorService();
final Properties fileSourceConfig =
generateFileSourceConfigurationProperties(
file.getAbsolutePath(), ResourceXMLFormatGenerator.SERVICE_PROVIDER_TYPE, false, false);
try {
ResourceModelSource fileSource =
nodesSourceService.getSourceForConfiguration("file", fileSourceConfig);
ResourceFormatGenerator generatorForFormat =
resourceFormatGeneratorService.getGeneratorForFormat(
ResourceXMLFormatGenerator.SERVICE_PROVIDER_TYPE);
String ident1 =
"[ResourceModelSource: " + descr + ", project: " + projectConfig.getName() + "]";
StoreExceptionHandler handler = new StoreExceptionHandler(ident);
ResourceModelSourceCache cache =
new FileResourceModelSourceCache(file, generatorForFormat, fileSource);
if (logging) {
cache = new LoggingResourceModelSourceCache(cache, ident1);
}
return SourceFactory.cachedSource(origin, ident1, handler, cache, type);
} catch (UnsupportedFormatException | ExecutionServiceException e) {
e.printStackTrace();
}
return null;
}
/**
* Update the resources file given an input Nodes set
*
* @param nodeset nodes
* @throws UpdateUtils.UpdateException if an error occurs while trying to update the resources
* file or generate nodes
*/
@Override
public void updateNodesResourceFile(final INodeSet nodeset, final String nodesResourceFilePath)
throws UpdateUtils.UpdateException {
final ResourceFormatGenerator generator;
File destfile = new File(nodesResourceFilePath);
try {
generator = resourceFormatGeneratorService.getGeneratorForFileExtension(destfile);
} catch (UnsupportedFormatException e) {
throw new UpdateUtils.UpdateException(
"Unable to determine file format for file: " + nodesResourceFilePath, e);
}
File resfile = null;
try {
resfile = File.createTempFile("resource-temp", destfile.getName());
resfile.deleteOnExit();
} catch (IOException e) {
throw new UpdateUtils.UpdateException("Unable to create temp file: " + e.getMessage(), e);
}
// serialize nodes and replace the nodes resource file
try {
final FileOutputStream stream = new FileOutputStream(resfile);
try {
generator.generateDocument(nodeset, stream);
} finally {
stream.close();
}
} catch (IOException e) {
throw new UpdateUtils.UpdateException(
"Unable to generate resources file: " + e.getMessage(), e);
} catch (ResourceFormatGeneratorException e) {
throw new UpdateUtils.UpdateException(
"Unable to generate resources file: " + e.getMessage(), e);
}
updateNodesResourceFile(resfile, nodesResourceFilePath);
if (!resfile.delete()) {
logger.warn("failed to remove temp file: " + resfile);
}
logger.debug("generated resources file: " + resfile.getAbsolutePath());
}