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authorelinuxhenrik <henrik.b.andersson@est.tech>2020-11-06 15:15:42 +0100
committerelinuxhenrik <henrik.b.andersson@est.tech>2020-11-09 16:35:12 +0100
commit0c065812bed60c79b03090ba174df8a75247990f (patch)
treea16bd39b46237537dfb0c21751c0b939159ecc35 /a1-policy-management/src/main/java
parent4dec4dc6aa0b526bb21aedee4b1120d795300978 (diff)
Break out configuration file read
Break out the reading of the configuration file to a separate class to prepare for the addition of a REST API to replace the configuration file. Change-Id: If61669563d8bc9b0b235a49a30fae3b3efbc5148 Issue-ID: CCSDK-2966 Signed-off-by: elinuxhenrik <henrik.b.andersson@est.tech>
Diffstat (limited to 'a1-policy-management/src/main/java')
-rw-r--r--a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/configuration/ConfigurationFile.java93
-rw-r--r--a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTask.java48
2 files changed, 103 insertions, 38 deletions
diff --git a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/configuration/ConfigurationFile.java b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/configuration/ConfigurationFile.java
new file mode 100644
index 00000000..345722cb
--- /dev/null
+++ b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/configuration/ConfigurationFile.java
@@ -0,0 +1,93 @@
+/*-
+ * ========================LICENSE_START=================================
+ * Copyright (C) 2020 Nordix Foundation. All rights reserved.
+ * ======================================================================
+ * 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ========================LICENSE_END===================================
+ */
+
+package org.onap.ccsdk.oran.a1policymanagementservice.configuration;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.Optional;
+import javax.validation.constraints.NotNull;
+import org.onap.ccsdk.oran.a1policymanagementservice.exceptions.ServiceException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+public class ConfigurationFile {
+ private static final Logger logger = LoggerFactory.getLogger(ConfigurationFile.class);
+
+ final ApplicationConfig appConfig;
+ final Gson gson = new Gson();
+
+ @Autowired
+ public ConfigurationFile(ApplicationConfig appConfig) {
+ this.appConfig = appConfig;
+ }
+
+ public synchronized Optional<JsonObject> readFile() {
+ String filepath = appConfig.getLocalConfigurationFilePath();
+ if (!fileExists(filepath)) {
+ return Optional.empty();
+ }
+
+ try (InputStream inputStream = createInputStream(filepath)) {
+ JsonObject rootObject = getJsonElement(inputStream).getAsJsonObject();
+ logger.debug("Local configuration file loaded: {}", filepath);
+ return Optional.of(rootObject);
+ } catch (Exception e) {
+ logger.error("Local configuration file not loaded: {}, {}", filepath, e.getMessage());
+ return Optional.empty();
+ }
+ }
+
+ public synchronized void writeFile(JsonObject content) throws ServiceException {
+ String filepath = appConfig.getLocalConfigurationFilePath();
+ try (FileWriter fileWriter = getFileWriter(filepath)) {
+ gson.toJson(content, fileWriter);
+ } catch (IOException e) {
+ logger.error("Local configuration file not written: {}, {}", filepath, e.getMessage());
+ throw new ServiceException("Local configuration file not written");
+ }
+ }
+
+ FileWriter getFileWriter(String filepath) throws IOException {
+ return new FileWriter(filepath);
+ }
+
+ private boolean fileExists(String filepath) {
+ return (new File(filepath).exists());
+ }
+
+ private JsonElement getJsonElement(InputStream inputStream) {
+ return JsonParser.parseReader(new InputStreamReader(inputStream));
+ }
+
+ private InputStream createInputStream(@NotNull String filepath) throws IOException {
+ return new BufferedInputStream(new FileInputStream(filepath));
+ }
+}
diff --git a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTask.java b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTask.java
index e4d7d8d7..b8341240 100644
--- a/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTask.java
+++ b/a1-policy-management/src/main/java/org/onap/ccsdk/oran/a1policymanagementservice/tasks/RefreshConfigTask.java
@@ -20,21 +20,12 @@
package org.onap.ccsdk.oran.a1policymanagementservice.tasks;
-import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
-import com.google.gson.JsonParser;
-import java.io.BufferedInputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
import java.time.Duration;
+import java.util.Optional;
import java.util.Properties;
-import javax.validation.constraints.NotNull;
-
import lombok.AccessLevel;
import lombok.Getter;
@@ -43,6 +34,7 @@ import org.onap.ccsdk.oran.a1policymanagementservice.clients.AsyncRestClientFact
import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig;
import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfig.RicConfigUpdate;
import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfigParser;
+import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ConfigurationFile;
import org.onap.ccsdk.oran.a1policymanagementservice.configuration.RicConfig;
import org.onap.ccsdk.oran.a1policymanagementservice.repository.Policies;
import org.onap.ccsdk.oran.a1policymanagementservice.repository.PolicyTypes;
@@ -83,6 +75,7 @@ public class RefreshConfigTask {
*/
static final Duration CONFIG_REFRESH_INTERVAL = Duration.ofMinutes(1);
+ final ConfigurationFile configurationFile;
final ApplicationConfig appConfig;
@Getter(AccessLevel.PROTECTED)
private Disposable refreshTask = null;
@@ -96,8 +89,9 @@ public class RefreshConfigTask {
private final AsyncRestClientFactory restClientFactory;
@Autowired
- public RefreshConfigTask(ApplicationConfig appConfig, Rics rics, Policies policies, Services services,
- PolicyTypes policyTypes, A1ClientFactory a1ClientFactory) {
+ public RefreshConfigTask(ConfigurationFile configurationFile, ApplicationConfig appConfig, Rics rics,
+ Policies policies, Services services, PolicyTypes policyTypes, A1ClientFactory a1ClientFactory) {
+ this.configurationFile = configurationFile;
this.appConfig = appConfig;
this.rics = rics;
this.policies = policies;
@@ -195,10 +189,6 @@ public class RefreshConfigTask {
return this.appConfig.setConfiguration(config);
}
- boolean fileExists(String filepath) {
- return (filepath != null && (new File(filepath).exists()));
- }
-
private void removePoliciciesInRic(@Nullable Ric ric) {
if (ric != null) {
RicSynchronizationTask synch =
@@ -245,28 +235,10 @@ public class RefreshConfigTask {
* Reads the configuration from file.
*/
Flux<JsonObject> loadConfigurationFromFile() {
- String filepath = appConfig.getLocalConfigurationFilePath();
- if (!fileExists(filepath)) {
- return Flux.empty();
- }
-
- try (InputStream inputStream = createInputStream(filepath)) {
- JsonObject rootObject = getJsonElement(inputStream).getAsJsonObject();
- ApplicationConfigParser appParser = new ApplicationConfigParser();
- appParser.parse(rootObject);
- logger.debug("Local configuration file loaded: {}", filepath);
- return Flux.just(rootObject);
- } catch (Exception e) {
- logger.error("Local configuration file not loaded: {}, {}", filepath, e.getMessage());
- return Flux.empty();
+ Optional<JsonObject> readJson = configurationFile.readFile();
+ if (readJson.isPresent()) {
+ return Flux.just(readJson.get());
}
- }
-
- JsonElement getJsonElement(InputStream inputStream) {
- return JsonParser.parseReader(new InputStreamReader(inputStream));
- }
-
- InputStream createInputStream(@NotNull String filepath) throws IOException {
- return new BufferedInputStream(new FileInputStream(filepath));
+ return Flux.empty();
}
}