diff options
Diffstat (limited to 'src/main/java/org/onap/dcae/ApplicationSettings.java')
| -rw-r--r-- | src/main/java/org/onap/dcae/ApplicationSettings.java | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dcae/ApplicationSettings.java b/src/main/java/org/onap/dcae/ApplicationSettings.java new file mode 100644 index 00000000..0ebd1e90 --- /dev/null +++ b/src/main/java/org/onap/dcae/ApplicationSettings.java @@ -0,0 +1,176 @@ +/* + * ============LICENSE_START======================================================= + * PROJECT + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * Copyright (C) 2018 Nokia. All rights reserved.s + * ================================================================================ + * 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.dcae; + +import com.att.nsa.drumlin.till.nv.impl.nvReadableStack; +import com.att.nsa.drumlin.till.nv.impl.nvReadableTable; +import com.att.nsa.drumlin.till.nv.rrNvReadable; +import com.google.common.annotations.VisibleForTesting; +import io.vavr.Function1; +import io.vavr.collection.HashMap; +import io.vavr.collection.Map; +import org.apache.commons.configuration.ConfigurationConverter; +import org.apache.commons.configuration.ConfigurationException; +import org.apache.commons.configuration.PropertiesConfiguration; +import org.json.JSONObject; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.File; +import java.nio.file.Paths; + +/** + * Abstraction over application configuration. + * Its job is to provide easily discoverable (by method names lookup) and type safe access to configuration properties. + */ +public class ApplicationSettings { + + private static final Logger inlog = LoggerFactory.getLogger(ApplicationSettings.class); + private static final String COLLECTOR_PROPERTIES = "etc/collector.properties"; + private final PropertiesConfiguration properties = new PropertiesConfiguration(); + + public ApplicationSettings(String[] args, Function1<String[], Map<String, String>> argsParser) { + properties.setDelimiterParsingDisabled(true); + Map<String, String> parsedArgs = argsParser.apply(args); + loadProperties(Paths.get(new File(COLLECTOR_PROPERTIES).getAbsolutePath()).toString()); + loadCommandLineProperties(parsedArgs); + parsedArgs.filterKeys(k -> !k.equals("c")).forEach(this::updateProperty); + } + + private void loadCommandLineProperties(Map<String, String> parsedArgs) { + parsedArgs.get("c").forEach(e -> { + properties.clear(); + loadProperties(e); + }); + } + + private void loadProperties(String property){ + try { + properties.load(property); + } catch (ConfigurationException ex) { + inlog.error("Cannot load properties cause:", ex); + throw new RuntimeException(ex); + } + } + + public String validAuthorizationCredentials() { + return properties.getString("header.authlist", null); + } + + public int maximumAllowedQueuedEvents() { + return properties.getInt("collector.inputQueue.maxPending", 1024 * 4); + } + + public boolean jsonSchemaValidationEnabled() { + return properties.getInt("collector.schema.checkflag", -1) > 0; + } + + public boolean authorizationEnabled() { + return properties.getInt("header.authflag", 0) > 0; + } + + public JSONObject jsonSchema() { + return new JSONObject( + properties.getString("collector.schema.file", "{\"v5\":\"./etc/CommonEventFormat_28.3.json\"}")); + } + + public int httpPort() { + return properties.getInt("collector.service.port", 8080); + } + + public int httpsPort() { + return properties.getInt("collector.service.secure.port", 8443); + } + + public boolean httpsEnabled() { + return httpsPort() > 0; + } + + public boolean eventTransformingEnabled() { + return properties.getInt("event.transform.flag", 1) > 0; + } + + public String keystorePasswordFileLocation() { + return properties.getString("collector.keystore.passwordfile", "./etc/passwordfile"); + } + + public String keystoreFileLocation() { + return properties.getString("collector.keystore.file.location", "../etc/keystore"); + } + + public String keystoreAlias() { + return properties.getString("collector.keystore.alias", "tomcat"); + } + + public String exceptionConfigFileLocation() { + return properties.getString("exceptionConfig", null); + } + + public String cambriaConfigurationFileLocation() { + return properties.getString("collector.dmaapfile", "./etc/DmaapConfig.json"); + } + + public Map<String, String[]> dMaaPStreamsMapping() { + String streamIdsProperty = properties.getString("collector.dmaap.streamid", null); + if (streamIdsProperty == null) { + return HashMap.empty(); + } else { + return convertDMaaPStreamsPropertyToMap(streamIdsProperty); + } + } + + /* + * Kept back here for backward compatibility. + * RestfulCollectorServlet upon its initialization requires options to be represented + * as object represented by rrNvReadable interface, so we define a a handy transformation function here. + */ + public rrNvReadable torrNvReadable() { + final nvReadableStack settings = new nvReadableStack(); + settings.push(new nvReadableTable(ConfigurationConverter.getProperties(properties))); + return settings; + } + + private Map<String, String[]> convertDMaaPStreamsPropertyToMap(String streamIdsProperty) { + java.util.HashMap<String, String[]> domainToStreamIdsMapping = new java.util.HashMap<>(); + String[] topics = streamIdsProperty.split("\\|"); + for (String t : topics) { + String domain = t.split("=")[0]; + String[] streamIds = t.split("=")[1].split(","); + domainToStreamIdsMapping.put(domain, streamIds); + } + return HashMap.ofAll(domainToStreamIdsMapping); + } + + private void updateProperty(String key, String value) { + if (properties.containsKey(key)) { + properties.setProperty(key, value); + } else { + properties.addProperty(key, value); + } + } + + @VisibleForTesting + String getStringDirectly(String key) { + return properties.getString(key); + } +} + |