2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.brms.api;
23 import org.onap.policy.api.NotificationScheme;
24 import org.onap.policy.api.PolicyEngine;
25 import org.onap.policy.api.PolicyException;
26 import org.onap.policy.common.logging.flexlogger.FlexLogger;
27 import org.onap.policy.common.logging.flexlogger.Logger;
28 import org.onap.policy.xacml.api.XACMLErrorConstants;
31 * BRMSGateway: This application acts as the Gateway interface between the PDP XACML and PDP Drools.
32 * The listens for BRMS based policies and pushes them to the specified Policy Repository, from
33 * where the PDP Drools reads the Rule Jar.
37 public class BrmsGateway {
39 private static final Logger logger = FlexLogger.getLogger(BrmsGateway.class);
40 private static final String CONFIGFILE = "config.properties";
42 private static PolicyEngine policyEngine = null;
44 private BrmsGateway() {
45 // Default private constructor
50 * @param args The path to the configuration file is the only allowed optional argument
51 * @throws Exception on BRMS Gateway errors
53 public static void main(final String[] args) throws Exception {
54 // The configuration file containing the configuration for the BRMS Gateway
55 String configFile = CONFIGFILE;
57 // Check if a configuration file has been specified as a parameter
58 if (args.length == 1) {
61 else if (args.length > 1) {
62 String errorString = "usage: " + BrmsGateway.class.getCanonicalName() + " [configFile]";
63 logger.error(errorString);
64 throw new PolicyException(errorString);
67 // Initialize Handler.
68 logger.info("Initializing BRMS Handler");
69 BrmsHandler brmsHandler = null;
71 brmsHandler = new BrmsHandler(configFile);
72 } catch (final PolicyException e) {
73 String errorString = "Check your property file: " + e.getMessage();
74 logger.error(errorString);
75 throw new PolicyException(errorString);
78 // Set Handler with Auto Notification and initialize policyEngine
80 logger.info("Initializing policyEngine with Auto Notifications");
81 policyEngine = new PolicyEngine(CONFIGFILE, NotificationScheme.AUTO_ALL_NOTIFICATIONS, brmsHandler);
82 } catch (final Exception e) {
83 logger.error(XACMLErrorConstants.ERROR_UNKNOWN + "Error while Initializing Policy Engine " + e.getMessage(),
88 final Runnable runnable = () -> {
92 } catch (final InterruptedException e) {
93 logger.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR + "Thread Exception " + e.getMessage());
94 Thread.currentThread().interrupt();
98 final Thread thread = new Thread(runnable);
102 public static PolicyEngine getPolicyEngine() {