private Version checkLibraryVersion(String libname, String libpath, boolean useLoadLibrary) {
if (!useLoadLibrary && !fileExists(libpath)) {
Logger.finer("File " + libpath + " not found");
return null;
}
Version version = LibVersionChecker.getVersion(libname, libpath, useLoadLibrary);
if (version == null) {
Logger.fine("Cannot load or get library version: " + libpath);
}
return version;
}
/**
* Loads the system library by finding it by iterating the location array. Try to download it from
* NCBI if not found.
*
* <p>Will throw LibraryLoadError when failed.
*/
void loadLibrary(String libname) {
Version requiredVersion = getRequiredVersion(libname);
boolean updateCache = Arrays.asList(locations).contains(Location.CACHE);
Logger.fine("Searching for " + libname + " library...");
try {
LibSearchResult searchResult = searchLibrary(libname, requiredVersion);
if (searchResult.path == null) {
throw new LibraryNotFoundError(
libname, "No installed library was found", searchResult.failCause);
}
Logger.fine("Found " + libname + " library");
String libpath = searchResult.path;
Logger.info("Loading " + libname + "...");
try {
if (!mocksEnabled) {
if (libpath.startsWith(libname)) {
System.loadLibrary(libpath);
} else {
System.load(libpath);
}
} else if (mockLoadException != null) {
throw mockLoadException;
}
} catch (Throwable e) {
if (searchResult.location != Location.DOWNLOAD) {
throw new LibraryLoadError(
libname, "Failed to load found library " + libpath, new JvmErrorCause(e));
}
throw new LibraryLoadError(
libname,
"No installed library was found and downloaded library '"
+ libpath
+ "' cannot be loaded",
new JvmErrorCause(e),
"Please install ngs and ncbi-vdb manually:"
+ " https://github.com/ncbi/ngs/wiki/Downloads"
+ " or write to \"[email protected]\" if problems persist");
}
Logger.fine("Loaded " + libname + " library");
Logger.fine("Checking library " + libname + " version...");
String v;
if (!mocksEnabled) {
v = LibVersionChecker.getLoadedVersion(libname);
} else {
v = mockLoadedLibraryVersion;
}
if (v == null) {
throw new LibraryLoadError(
libname, "Failed to retrieve loaded library's version", new InvalidLibraryCause());
}
Version loadedVersion = new Version(v);
if (loadedVersion.compareTo(requiredVersion) < 0
|| !loadedVersion.isCompatible(requiredVersion)) {
Logger.fine(
"Library version is not compatible. Required: "
+ requiredVersion.toSimpleVersion()
+ " loaded: "
+ loadedVersion.toSimpleVersion());
LibraryLoadCause failCause = searchResult.failCause;
if (searchResult.location == Location.DOWNLOAD || failCause == null) {
failCause =
(loadedVersion.compareTo(requiredVersion) < 0)
? new PrereleaseReqLibCause()
: new OutdatedJarCause();
}
throw new LibraryIncompatibleVersionError(
libname, "Library is incompatible", libpath, failCause);
}
Logger.fine(
"Library "
+ libname
+ " was loaded successfully."
+ " Version = "
+ loadedVersion.toSimpleVersion());
if (updateCache) {
properties.loaded(libname, searchResult.version.toSimpleVersion(), libpath);
if (searchResult.location != Location.CACHE) {
properties.setLastSearch(libname);
}
}
} catch (LibraryLoadError e) {
if (updateCache) {
properties.notLoaded(libname);
}
Logger.warning("Loading of " + libname + " library failed");
throw e;
} finally {
if (updateCache) {
properties.store();
}
}
}