diff options
Diffstat (limited to 'sliPluginUtils/provider/src/main/java')
-rw-r--r-- | sliPluginUtils/provider/src/main/java/org/onap/ccsdk/sli/core/slipluginutils/Dme2PropertiesProvider.java | 421 |
1 files changed, 238 insertions, 183 deletions
diff --git a/sliPluginUtils/provider/src/main/java/org/onap/ccsdk/sli/core/slipluginutils/Dme2PropertiesProvider.java b/sliPluginUtils/provider/src/main/java/org/onap/ccsdk/sli/core/slipluginutils/Dme2PropertiesProvider.java index 07c84c66f..6802c9a8b 100644 --- a/sliPluginUtils/provider/src/main/java/org/onap/ccsdk/sli/core/slipluginutils/Dme2PropertiesProvider.java +++ b/sliPluginUtils/provider/src/main/java/org/onap/ccsdk/sli/core/slipluginutils/Dme2PropertiesProvider.java @@ -8,9 +8,9 @@ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at - * + * * http://www.apache.org/licenses/LICENSE-2.0 - * + * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. @@ -31,193 +31,248 @@ import java.nio.file.Path; import java.nio.file.Paths; import java.util.Optional; import java.util.Properties; +import java.util.Vector; +import org.onap.ccsdk.sli.core.utils.JREFileResolver; +import org.onap.ccsdk.sli.core.utils.KarafRootFileResolver; +import org.onap.ccsdk.sli.core.utils.PropertiesFileResolver; +import org.onap.ccsdk.sli.core.utils.common.CoreDefaultFileResolver; +import org.onap.ccsdk.sli.core.utils.common.SdncConfigEnvVarFileResolver; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** - * Immutable properties container for dme2 properties. Since the initial design decision was made to - * utilize <code>Properties</code> instead of an OSGi <code>ManagedService</code>, it was decided - * to make these properties immutable. + * Immutable properties container for dme2 properties. Since the initial design + * decision was made to utilize <code>Properties</code> instead of an OSGi + * <code>ManagedService</code>, it was decided to make these properties + * immutable. */ public final class Dme2PropertiesProvider { - private static final Logger LOG = LoggerFactory.getLogger(Dme2PropertiesProvider.class); - - /** - * The name of the environment variable to specify the configuration directory. - */ - private static final String SDNC_ROOT_DIR_ENV_VAR_KEY = "SDNC_CONFIG_DIR"; - - /** - * the dme2 properties file name. - */ - private static final String DME2_PROPERTIES_FILE_NAME = "dme2.properties"; - - /** - * the key for <code>proxyUrl</code>, which represents a CSV list of urls - */ - static final String PROXY_URL_KEY = "proxyUrl"; - - /** - * indicates that proxy urls are separated by commas - */ - private static final String PROXY_URLS_VALUE_SEPARATOR = ","; - - /** - * the key for <code>aafUserName</code> - */ - static final String AAF_USERNAME_KEY = "aafUserName"; - - /** - * the key for <code>aafPassword</code> - */ - static final String AAF_PASSWORD_KEY = "aafPassword"; - - /** - * the key for <code>envContext</code> - */ - static final String ENV_CONTEXT_KEY = "envContext"; - - /** - * the key for <code>routeOffer</code> - */ - static final String ROUTE_OFFER_KEY = "routeOffer"; - - /** - * the key for <code>commonServiceVersion</code> - */ - static final String COMMON_SERVICE_VERSION_KEY = "commonServiceVersion"; - - /** - * the key for <code>partner</code> - */ - static final String PARTNER_KEY = "partner"; - - private Optional<String []> proxyUrls = Optional.empty(); - - private Optional<String> aafUsername = Optional.empty(); - - private Optional<String> aafPassword = Optional.empty(); - - private Optional<String> envContext = Optional.empty(); - - private Optional<String> routeOffer = Optional.empty(); - - private Optional<String> commonServiceVersion = Optional.empty(); - - private Optional<String> partner = Optional.empty(); - - - /** - * Instantiates the properties provider, which involves loading the appropriate properties for dme2. - */ - public Dme2PropertiesProvider() { - this(getDme2Path(SDNC_ROOT_DIR_ENV_VAR_KEY, DME2_PROPERTIES_FILE_NAME).toString()); - } - - /** - * Instantiates the properties provider, which involves loading the appropriate properties for dme2. - * - * @param dme2Path location of the dme2.properties file - */ - @VisibleForTesting - Dme2PropertiesProvider(final String dme2Path) { - final Properties properties; - try { - properties = getProperties(dme2Path); - this.proxyUrls = getProxyUrls(properties); - this.aafUsername = getAafUsername(properties); - this.aafPassword = getAafPassword(properties); - this.envContext = getEnvContext(properties); - this.routeOffer = getRouteOffer(properties); - this.commonServiceVersion = getCommonServiceVersion(properties); - this.partner = getPartner(properties); - } catch (final FileNotFoundException e) { - LOG.error("dme2.properties file could not be found at path: {}", dme2Path, e); - } catch (final IOException e) { - LOG.error("fatal error reading dme2.properties at path: {}", dme2Path, e); - } - } - - private static Path getDme2Path(final String sdncRootDirectory, final String dme2Filename) { - return Paths.get(sdncRootDirectory, dme2Filename); - } - - private static Properties getProperties(final String dme2Path) throws IOException { - final File dme2File = new File(dme2Path); - final Properties properties = new Properties(); - properties.load(new FileReader(dme2File)); - return properties; - } - - private String getProxyUrl(final Properties properties) { - return properties.getProperty(PROXY_URL_KEY); - } - - private Optional<String []> getProxyUrls(final Properties properties) { - final String proxyUrlsValue = getProxyUrl(properties); - if (!Strings.isNullOrEmpty(proxyUrlsValue)) { - return Optional.ofNullable(proxyUrlsValue.split(PROXY_URLS_VALUE_SEPARATOR)); - } - return Optional.empty(); - } - - public Optional<String []> getProxyUrls() { - return this.proxyUrls; - } - - private Optional<String> getAafUsername(final Properties properties) { - final String aafUsernameValue = properties.getProperty(AAF_USERNAME_KEY); - return Optional.ofNullable(aafUsernameValue); - } - - Optional<String> getAafUsername() { - return this.aafUsername; - } - - private Optional<String> getAafPassword(final Properties properties) { - final String aafPassword = properties.getProperty(AAF_PASSWORD_KEY); - return Optional.ofNullable(aafPassword); - } - - Optional<String> getAafPassword() { - return this.aafPassword; - } - - private Optional<String> getEnvContext(final Properties properties) { - final String envContext = properties.getProperty(ENV_CONTEXT_KEY); - return Optional.ofNullable(envContext); - } - - Optional<String> getEnvContext() { - return this.envContext; - } - - private Optional<String> getRouteOffer(final Properties properties) { - final String routeOffer = properties.getProperty(ROUTE_OFFER_KEY); - return Optional.ofNullable(routeOffer); - } - - Optional<String> getRouteOffer() { - return this.routeOffer; - } - - private Optional<String> getCommonServiceVersion(final Properties properties) { - final String commonServiceVersion = properties.getProperty(COMMON_SERVICE_VERSION_KEY); - return Optional.ofNullable(commonServiceVersion); - } - - Optional<String> getCommonServiceVersion() { - return this.commonServiceVersion; - } - - private Optional<String> getPartner(final Properties properties) { - final String partner = properties.getProperty(PARTNER_KEY); - return Optional.ofNullable(partner); - } - - Optional<String> getPartner() { - return this.partner; - } + private static final Logger LOG = LoggerFactory.getLogger(Dme2PropertiesProvider.class); + + /** + * The name of the environment variable to specify the configuration directory. + */ + private static final String SDNC_ROOT_DIR_ENV_VAR_KEY = "SDNC_CONFIG_DIR"; + + /** + * the dme2 properties file name. + */ + private static final String DME2_PROPERTIES_FILE_NAME = "dme2.properties"; + + /** + * the key for <code>proxyUrl</code>, which represents a CSV list of urls + */ + static final String PROXY_URL_KEY = "proxyUrl"; + + /** + * indicates that proxy urls are separated by commas + */ + private static final String PROXY_URLS_VALUE_SEPARATOR = ","; + + /** + * the key for <code>aafUserName</code> + */ + static final String AAF_USERNAME_KEY = "aafUserName"; + + /** + * the key for <code>aafPassword</code> + */ + static final String AAF_PASSWORD_KEY = "aafPassword"; + + /** + * the key for <code>envContext</code> + */ + static final String ENV_CONTEXT_KEY = "envContext"; + + /** + * the key for <code>routeOffer</code> + */ + static final String ROUTE_OFFER_KEY = "routeOffer"; + + /** + * the key for <code>commonServiceVersion</code> + */ + static final String COMMON_SERVICE_VERSION_KEY = "commonServiceVersion"; + + /** + * the key for <code>partner</code> + */ + static final String PARTNER_KEY = "partner"; + + private Optional<String[]> proxyUrls = Optional.empty(); + + private Optional<String> aafUsername = Optional.empty(); + + private Optional<String> aafPassword = Optional.empty(); + + private Optional<String> envContext = Optional.empty(); + + private Optional<String> routeOffer = Optional.empty(); + + private Optional<String> commonServiceVersion = Optional.empty(); + + private Optional<String> partner = Optional.empty(); + + /** + * A prioritized list of strategies for resolving dme2 properties files. + */ + private Vector<PropertiesFileResolver> dme2PropertiesFileResolvers = new Vector<>(); + + /** + * Instantiates the properties provider, which involves loading the appropriate + * properties for dme2. + */ + public Dme2PropertiesProvider() { + this(DME2_PROPERTIES_FILE_NAME); + } + + /** + * Instantiates the properties provider, which involves loading the appropriate + * properties for dme2. + * + * @param dme2Path + * location of the dme2.properties file + */ + @VisibleForTesting + Dme2PropertiesProvider(final String dme2FileName) { + dme2PropertiesFileResolvers + .add(new SdncConfigEnvVarFileResolver("Using property file (1) from environment variable")); + dme2PropertiesFileResolvers.add(new CoreDefaultFileResolver("Using property file (2) from default directory")); + + dme2PropertiesFileResolvers + .add(new JREFileResolver("Using property file (3) from JRE argument", Dme2PropertiesProvider.class)); + dme2PropertiesFileResolvers.add(new KarafRootFileResolver("Using property file (4) from karaf root", this)); + + File dme2File = getDme2File(dme2FileName); + + init(dme2File); + } + + private void init(final File dme2Path) { + final Properties properties; + try { + properties = getProperties(dme2Path); + this.proxyUrls = getProxyUrls(properties); + this.aafUsername = getAafUsername(properties); + this.aafPassword = getAafPassword(properties); + this.envContext = getEnvContext(properties); + this.routeOffer = getRouteOffer(properties); + this.commonServiceVersion = getCommonServiceVersion(properties); + this.partner = getPartner(properties); + } catch (final FileNotFoundException e) { + + LOG.error("dme2.properties file could not be found at path: {}", dme2Path, e); + } catch (final IOException e) { + LOG.error("fatal error reading dme2.properties at path: {}", dme2Path, e); + } + } + + /** + * Reports the method chosen for properties resolution to the + * <code>Logger</code>. + * + * @param message + * Some user friendly message + * @param fileOptional + * The file location of the chosen properties file + * @return the file location of the chosen properties file + */ + private static File reportSuccess(final String message, final Optional<File> fileOptional) { + if (fileOptional.isPresent()) { + final File file = fileOptional.get(); + LOG.info("{} {}", message, file.getPath()); + return file; + } + return null; + } + + private File getDme2File(final String dme2Filename) { + + for (final PropertiesFileResolver dblibPropertiesFileResolver : dme2PropertiesFileResolvers) { + final Optional<File> fileOptional = dblibPropertiesFileResolver.resolveFile(dme2Filename); + if (fileOptional.isPresent()) { + return reportSuccess(dblibPropertiesFileResolver.getSuccessfulResolutionMessage(), fileOptional); + } + } + return (new File(dme2Filename)); + } + + private static Properties getProperties(final File dme2File) throws IOException { + + final Properties properties = new Properties(); + properties.load(new FileReader(dme2File)); + return properties; + } + + private String getProxyUrl(final Properties properties) { + return properties.getProperty(PROXY_URL_KEY); + } + + private Optional<String[]> getProxyUrls(final Properties properties) { + final String proxyUrlsValue = getProxyUrl(properties); + if (!Strings.isNullOrEmpty(proxyUrlsValue)) { + return Optional.ofNullable(proxyUrlsValue.split(PROXY_URLS_VALUE_SEPARATOR)); + } + return Optional.empty(); + } + + public Optional<String[]> getProxyUrls() { + return this.proxyUrls; + } + + private Optional<String> getAafUsername(final Properties properties) { + final String aafUsernameValue = properties.getProperty(AAF_USERNAME_KEY); + return Optional.ofNullable(aafUsernameValue); + } + + Optional<String> getAafUsername() { + return this.aafUsername; + } + + private Optional<String> getAafPassword(final Properties properties) { + final String aafPassword = properties.getProperty(AAF_PASSWORD_KEY); + return Optional.ofNullable(aafPassword); + } + + Optional<String> getAafPassword() { + return this.aafPassword; + } + + private Optional<String> getEnvContext(final Properties properties) { + final String envContext = properties.getProperty(ENV_CONTEXT_KEY); + return Optional.ofNullable(envContext); + } + + Optional<String> getEnvContext() { + return this.envContext; + } + + private Optional<String> getRouteOffer(final Properties properties) { + final String routeOffer = properties.getProperty(ROUTE_OFFER_KEY); + return Optional.ofNullable(routeOffer); + } + + Optional<String> getRouteOffer() { + return this.routeOffer; + } + + private Optional<String> getCommonServiceVersion(final Properties properties) { + final String commonServiceVersion = properties.getProperty(COMMON_SERVICE_VERSION_KEY); + return Optional.ofNullable(commonServiceVersion); + } + + Optional<String> getCommonServiceVersion() { + return this.commonServiceVersion; + } + + private Optional<String> getPartner(final Properties properties) { + final String partner = properties.getProperty(PARTNER_KEY); + return Optional.ofNullable(partner); + } + + Optional<String> getPartner() { + return this.partner; + } } |