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/*-
* ============LICENSE_START=======================================================
* PolicyEngineClient
* ================================================================================
* Copyright (C) 2017, 2019 AT&T Intellectual Property. 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.policyengine;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.onap.policy.api.LoadedPolicy;
import org.onap.policy.api.NotificationScheme;
import org.onap.policy.api.PolicyConfig;
import org.onap.policy.api.PolicyConfigException;
import org.onap.policy.api.PolicyEngine;
import org.onap.policy.api.PolicyEngineException;
import org.onap.policy.api.RemovedPolicy;
import org.onap.policy.common.logging.flexlogger.FlexLogger;
import org.onap.policy.common.logging.flexlogger.Logger;
import org.w3c.dom.Document;
public class MainClient {
private static final Logger LOGGER = FlexLogger.getLogger(MainClient.class);
/**
* main.
*
* @param args String[] args
*/
public static void main(String[] args) {
PolicyEngine policyEngine;
try {
policyEngine = new PolicyEngine("config.properties");
Map<String, String> configAttributes = new HashMap<>();
configAttributes.put("java", "java");
configAttributes.put("peach", "Tar");
configAttributes.put("true", "false");
configAttributes.put("small", "testPass");
Map<String, String> eventAttributes = new HashMap<>();
eventAttributes.put("true", "true");
eventAttributes.put("cpu", "91");
Map<String, String> decisionAttributes = new HashMap<>();
decisionAttributes.put("Key", "Value");
// Config Example
try {
@SuppressWarnings("deprecation")
Collection<PolicyConfig> policyConfigs = policyEngine.getConfigByPolicyName(".*");
if (policyConfigs != null && !policyConfigs.isEmpty()) {
for (PolicyConfig policyConfig : policyConfigs) {
System.out.println("\nConfig Message: " + policyConfig.getPolicyConfigMessage());
System.out.println("Config Status: " + policyConfig.getPolicyConfigStatus());
System.out.println("Policy Name: " + policyConfig.getPolicyName());
System.out.println("policy Version: " + policyConfig.getPolicyVersion());
}
}
} catch (PolicyConfigException e) {
LOGGER.error("Exception Occured" + e);
}
// Manual Notifications..
policyEngine.setScheme(NotificationScheme.MANUAL_ALL_NOTIFICATIONS);
if (policyEngine.getNotification() != null) {
System.out.println(policyEngine.getNotification().getNotificationType());
for (LoadedPolicy updated : policyEngine.getNotification().getLoadedPolicies()) {
System.out.println(updated.getPolicyName());
System.out.println(updated.getVersionNo());
System.out.println(updated.getMatches());
}
for (RemovedPolicy removed : policyEngine.getNotification().getRemovedPolicies()) {
System.out.println(removed.getPolicyName());
System.out.println(removed.getVersionNo());
}
}
// Auto Notifications..
Handler handler = new Handler();
policyEngine.setNotification(NotificationScheme.AUTO_ALL_NOTIFICATIONS, handler);
//
System.out.println("Enter a any key to exit");
try {
System.in.read();
} catch (IOException e) {
System.err.println("Exception Occured" + e);
}
} catch (PolicyEngineException e1) {
System.err.println("Exception Occured" + e1);
}
}
/**
* printDocument.
*
* @param doc Document
* @param out OutputStream
* @throws IOException IOException
* @throws TransformerException TransformerException
*/
public static void printDocument(Document doc, OutputStream out)
throws IOException, TransformerException {
TransformerFactory tf = TransformerFactory.newInstance();
Transformer transformer = tf.newTransformer();
transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
transformer.setOutputProperty(OutputKeys.METHOD, "xml");
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
transformer.transform(new DOMSource(doc), new StreamResult(new OutputStreamWriter(out, "UTF-8")));
}
}
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