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-rw-r--r--common/onap-common-configuration-management/onap-configuration-management-core/src/main/java/org/onap/config/ConfigurationUtils.java98
-rw-r--r--common/onap-common-configuration-management/onap-configuration-management-core/src/main/java/org/onap/config/impl/ConfigurationImpl.java13
2 files changed, 57 insertions, 54 deletions
diff --git a/common/onap-common-configuration-management/onap-configuration-management-core/src/main/java/org/onap/config/ConfigurationUtils.java b/common/onap-common-configuration-management/onap-configuration-management-core/src/main/java/org/onap/config/ConfigurationUtils.java
index 358dab923f..53baaec2cf 100644
--- a/common/onap-common-configuration-management/onap-configuration-management-core/src/main/java/org/onap/config/ConfigurationUtils.java
+++ b/common/onap-common-configuration-management/onap-configuration-management-core/src/main/java/org/onap/config/ConfigurationUtils.java
@@ -16,6 +16,8 @@ import org.apache.commons.configuration2.builder.fluent.Parameters;
import org.apache.commons.configuration2.convert.DefaultListDelimiterHandler;
import org.apache.commons.configuration2.ex.ConfigurationException;
import org.apache.commons.io.IOUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
import org.onap.config.api.Config;
import org.onap.config.api.ConfigurationManager;
import org.onap.config.impl.ConfigurationRepository;
@@ -48,6 +50,7 @@ import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
+import java.util.Optional;
import java.util.Queue;
import java.util.Set;
import java.util.SortedSet;
@@ -65,6 +68,8 @@ import java.util.stream.Collectors;
import java.util.stream.Stream;
import static com.google.common.collect.ImmutableMap.builder;
+
+import static java.util.Optional.ofNullable;
import static org.onap.config.api.Hint.EXTERNAL_LOOKUP;
import static org.onap.config.api.Hint.LATEST_LOOKUP;
import static org.onap.config.api.Hint.NODE_SPECIFIC;
@@ -73,19 +78,20 @@ import static org.onap.config.api.Hint.NODE_SPECIFIC;
* The type Configuration utils.
*/
public class ConfigurationUtils {
+ private static final Logger LOGGER = LoggerFactory.getLogger(ConfigurationUtils.class);
private ConfigurationUtils() {
}
- private static ImmutableMap<Class,Class> arrayClassMap;
+ private static ImmutableMap<Class, Class> arrayClassMap;
static {
- ImmutableMap.Builder<Class,Class> builder = builder();
- builder.put(Byte.class,Byte[].class).put(Short.class, Short[].class)
- .put(Integer.class,Integer[].class).put(Long.class,Long[].class)
- .put(Float.class,Float[].class).put(Double.class,Double[].class)
- .put(Boolean.class,Boolean[].class).put(Character.class,Character[].class)
- .put(String.class,String[].class);
+ ImmutableMap.Builder<Class, Class> builder = builder();
+ builder.put(Byte.class, Byte[].class).put(Short.class, Short[].class)
+ .put(Integer.class, Integer[].class).put(Long.class, Long[].class)
+ .put(Float.class, Float[].class).put(Double.class, Double[].class)
+ .put(Boolean.class, Boolean[].class).put(Character.class, Character[].class)
+ .put(String.class, String[].class);
arrayClassMap = builder.build();
}
@@ -217,11 +223,10 @@ public class ConfigurationUtils {
* @return the namespace
*/
public static String getNamespace(URL url) {
- String namespace = getNamespace(getConfiguration(url));
- if (namespace != null) {
- return namespace.toUpperCase();
- }
- return getNamespace(url.getFile().toUpperCase());
+
+ Optional<String> namespace = getConfiguration(url).flatMap(ConfigurationUtils::getNamespace).map(String::toUpperCase);
+
+ return namespace.orElseGet(() -> getNamespace(url.getFile().toUpperCase()));
}
/**
@@ -231,16 +236,16 @@ public class ConfigurationUtils {
* @return the namespace
*/
public static String getNamespace(File file) {
- String namespace = getNamespace(getConfiguration(file));
- if (namespace != null) {
- return namespace.toUpperCase();
- }
- return getNamespace(file.getName().toUpperCase());
+ Optional<String> namespace = getConfiguration(file)
+ .flatMap(ConfigurationUtils::getNamespace)
+ .map(String::toUpperCase);
+ return namespace.orElseGet(() -> getNamespace(file.getName().toUpperCase()));
}
- private static String getNamespace(Configuration config) {
- return config.getString(Constants.NAMESPACE_KEY) == null ? null
- : config.getString(Constants.NAMESPACE_KEY).toUpperCase();
+ private static Optional<String> getNamespace(Configuration config) {
+ return ofNullable(config)
+ .flatMap(configuration -> ofNullable(configuration.getString(Constants.NAMESPACE_KEY)))
+ .map(String::toUpperCase);
}
/**
@@ -283,22 +288,27 @@ public class ConfigurationUtils {
* @return the merge strategy
*/
public static ConfigurationMode getMergeStrategy(URL url) {
- String configMode = getMergeStrategy(getConfiguration(url));
- if (configMode != null) {
- try {
- return Enum.valueOf(ConfigurationMode.class, configMode);
- } catch (Exception exception) {
- //do nothing
- }
+ Optional<ConfigurationMode> configurationMode = getConfiguration(url).flatMap(ConfigurationUtils::getMergeStrategy).flatMap(ConfigurationUtils::convertConfigurationMode);
+ return configurationMode.orElseGet(() -> getMergeStrategy(url.getFile().toUpperCase()));
+ }
+
+ private static Optional<ConfigurationMode> convertConfigurationMode(String configMode) {
+ ConfigurationMode configurationMode = null;
+ try {
+ configurationMode = ConfigurationMode.valueOf(configMode);
+ } catch (Exception exception) {
+ LOGGER.error("Could not find convert {} into configuration mode", configMode);
}
- return getMergeStrategy(url.getFile().toUpperCase());
+ return Optional.ofNullable(configurationMode);
}
- private static String getMergeStrategy(Configuration config) {
- return config.getString(Constants.MODE_KEY) == null ? null
- : config.getString(Constants.MODE_KEY).toUpperCase();
+ private static Optional<String> getMergeStrategy(Configuration config) {
+ return ofNullable(config)
+ .flatMap(configuration -> ofNullable(configuration.getString(Constants.MODE_KEY)))
+ .map(String::toUpperCase);
}
+
/**
* Gets merge strategy.
*
@@ -306,15 +316,8 @@ public class ConfigurationUtils {
* @return the merge strategy
*/
public static ConfigurationMode getMergeStrategy(File file) {
- String configMode = getMergeStrategy(getConfiguration(file));
- if (configMode != null) {
- try {
- return Enum.valueOf(ConfigurationMode.class, configMode);
- } catch (Exception exception) {
- //do nothing
- }
- }
- return getMergeStrategy(file.getName().toUpperCase());
+ Optional<ConfigurationMode> configurationMode = getConfiguration(file).flatMap(ConfigurationUtils::getMergeStrategy).flatMap(ConfigurationUtils::convertConfigurationMode);
+ return configurationMode.orElseGet(() -> getMergeStrategy(file.getName().toUpperCase()));
}
/**
@@ -356,7 +359,7 @@ public class ConfigurationUtils {
* @param url the url
* @return the configuration
*/
- public static FileBasedConfiguration getConfiguration(URL url) {
+ public static Optional<FileBasedConfiguration> getConfiguration(URL url) {
FileBasedConfiguration builder = null;
try {
ConfigurationType configType = ConfigurationUtils.getConfigType(url);
@@ -374,12 +377,12 @@ public class ConfigurationUtils {
builder = new Configurations().fileBased(YamlConfiguration.class, url);
break;
default:
- throw new ConfigurationException("Configuration type not supported:"+ configType);
+ throw new ConfigurationException("Configuration type not supported:" + configType);
}
} catch (ConfigurationException exception) {
exception.printStackTrace();
}
- return builder;
+ return ofNullable(builder);
}
/**
@@ -388,7 +391,7 @@ public class ConfigurationUtils {
* @param file the file
* @return the configuration
*/
- public static FileBasedConfiguration getConfiguration(File file) {
+ public static Optional<FileBasedConfiguration> getConfiguration(File file) {
FileBasedConfiguration builder = null;
try {
ConfigurationType configType = ConfigurationUtils.getConfigType(file);
@@ -406,12 +409,12 @@ public class ConfigurationUtils {
builder = new Configurations().fileBased(YamlConfiguration.class, file);
break;
default:
- throw new ConfigurationException("Configuration type not supported:"+ configType);
+ throw new ConfigurationException("Configuration type not supported:" + configType);
}
} catch (ConfigurationException exception) {
exception.printStackTrace();
}
- return builder;
+ return ofNullable(builder);
}
/**
@@ -441,7 +444,6 @@ public class ConfigurationUtils {
}
-
/**
* Gets array class.
*
@@ -534,7 +536,7 @@ public class ConfigurationUtils {
builder = new ReloadingFileBasedConfigurationBuilder<>(YamlConfiguration.class);
break;
default:
- throw new IllegalArgumentException("Configuration type not supported:"+ configType);
+ throw new IllegalArgumentException("Configuration type not supported:" + configType);
}
return builder;
}
diff --git a/common/onap-common-configuration-management/onap-configuration-management-core/src/main/java/org/onap/config/impl/ConfigurationImpl.java b/common/onap-common-configuration-management/onap-configuration-management-core/src/main/java/org/onap/config/impl/ConfigurationImpl.java
index 43b1b96fc5..7faf3ee8cf 100644
--- a/common/onap-common-configuration-management/onap-configuration-management-core/src/main/java/org/onap/config/impl/ConfigurationImpl.java
+++ b/common/onap-common-configuration-management/onap-configuration-management-core/src/main/java/org/onap/config/impl/ConfigurationImpl.java
@@ -206,12 +206,13 @@ public class ConfigurationImpl implements org.onap.config.api.Configuration {
@Override
public <T> T get(String tenant, String namespace, String key, Class<T> clazz, Hint... hints) {
- String[] tenantNamespaceArrayy = null;
- if (tenant == null && namespace != null
- && (tenantNamespaceArrayy = namespace.split(Constants.TENANT_NAMESPACE_SAPERATOR)).length
- > 1) {
- tenant = tenantNamespaceArrayy[0];
- namespace = tenantNamespaceArrayy[1];
+ String[] tenantNamespaceArrayy;
+ if (tenant == null && namespace != null) {
+ tenantNamespaceArrayy = namespace.split(Constants.TENANT_NAMESPACE_SAPERATOR);
+ if (tenantNamespaceArrayy.length > 1) {
+ tenant = tenantNamespaceArrayy[0];
+ namespace = tenantNamespaceArrayy[1];
+ }
}
tenant = ConfigurationRepository.lookup().isValidTenant(tenant) ? tenant.toUpperCase()