Source:
private boolean setup() { if (!initSP()) { s_logger.error("SAML Plugin failed to initialize, please fix the configuration and restart management server"); return false; } _timer = new Timer(); final HttpClient client = new HttpClient(); final String idpMetaDataUrl = SAMLIdentityProviderMetadataURL.value(); if (SAMLTimeout.value() != null && SAMLTimeout.value() > SAMLPluginConstants.SAML_REFRESH_INTERVAL) { _refreshInterval = SAMLTimeout.value(); } try { DefaultBootstrap.bootstrap(); if (idpMetaDataUrl.startsWith("http")) { _idpMetaDataProvider = new HTTPMetadataProvider(_timer, client, idpMetaDataUrl); } else { File metadataFile = PropertiesUtil.findConfigFile(idpMetaDataUrl); if (metadataFile == null) { s_logger.error("Metadata file returned null"); return false; } else{ s_logger.debug("Provided Metadata is not a URL, trying to read metadata file from local path: " + metadataFile.getAbsolutePath()); _idpMetaDataProvider = new FilesystemMetadataProvider(_timer, metadataFile); } } _idpMetaDataProvider.setRequireValidMetadata(true); _idpMetaDataProvider.setParserPool(new BasicParserPool()); _idpMetaDataProvider.initialize(); _timer.scheduleAtFixedRate(new MetadataRefreshTask(), 0, _refreshInterval * 1000); } catch (MetadataProviderException e) { s_logger.error("Unable to read SAML2 IDP MetaData URL, error:" + e.getMessage()); s_logger.error("SAML2 Authentication may be unavailable"); } catch (ConfigurationException | FactoryConfigurationError e) { s_logger.error("OpenSAML bootstrapping failed: error: " + e.getMessage()); } catch (NullPointerException e) { s_logger.error("Unable to setup SAML Auth Plugin due to NullPointerException" + " please check the SAML global settings: " + e.getMessage()); } return true; }

Target:
private boolean setup() { if (!initSP()) { s_logger.error("SAML Plugin failed to initialize, please fix the configuration and restart management server"); return false; } _timer = new Timer(); final HttpClient client = new HttpClient(); final String idpMetaDataUrl = getSAMLIdentityProviderMetadataURL(); if (SAMLTimeout.value() != null && SAMLTimeout.value() > SAMLPluginConstants.SAML_REFRESH_INTERVAL) { _refreshInterval = SAMLTimeout.value(); } try { DefaultBootstrap.bootstrap(); if (idpMetaDataUrl.startsWith("http")) { _idpMetaDataProvider = new HTTPMetadataProvider(_timer, client, idpMetaDataUrl); } else { File metadataFile = PropertiesUtil.findConfigFile(idpMetaDataUrl); if (metadataFile == null) { s_logger.error("Provided Metadata is not a URL, Unable to locate metadata file from local path: " + idpMetaDataUrl); return false; } else{ s_logger.debug("Provided Metadata is not a URL, trying to read metadata file from local path: " + metadataFile.getAbsolutePath()); _idpMetaDataProvider = new FilesystemMetadataProvider(_timer, metadataFile); } } _idpMetaDataProvider.setRequireValidMetadata(true); _idpMetaDataProvider.setParserPool(new BasicParserPool()); _idpMetaDataProvider.initialize(); _timer.scheduleAtFixedRate(new MetadataRefreshTask(), 0, _refreshInterval * 1000); } catch (MetadataProviderException e) { s_logger.error("Unable to read SAML2 IDP MetaData URL, error:" + e.getMessage()); s_logger.error("SAML2 Authentication may be unavailable"); return false; } catch (ConfigurationException | FactoryConfigurationError e) { s_logger.error("OpenSAML bootstrapping failed: error: " + e.getMessage()); return false; } catch (NullPointerException e) { s_logger.error("Unable to setup SAML Auth Plugin due to NullPointerException" + " please check the SAML global settings: " + e.getMessage()); return false; } return true; }