Modify xacml-pdp to use RestServer from common

Change-Id: I331483e2e28f2c57160b3eaace40fc84a1c13727
Issue-ID: POLICY-1652
Signed-off-by: Jim Hahn <jrh3@att.com>

2 files changed, 9 insertions, 171 deletions

diff --git a/main/src/main/java/org/onap/policy/pdpx/main/rest/XacmlPdpRestServer.java b/main/src/main/java/org/onap/policy/pdpx/main/rest/XacmlPdpRestServer.java
deleted file mode 100644
index a6213da2..00000000
--- a/main/src/main/java/org/onap/policy/pdpx/main/rest/XacmlPdpRestServer.java
+++ /dev/null
@@ -1,159 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2019 Nordix Foundation.
- * ================================================================================
- * 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.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.pdpx.main.rest;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Properties;
-import org.onap.policy.common.capabilities.Startable;
-import org.onap.policy.common.endpoints.http.server.HttpServletServer;
-import org.onap.policy.common.endpoints.http.server.HttpServletServerFactoryInstance;
-import org.onap.policy.common.endpoints.parameters.RestServerParameters;
-import org.onap.policy.common.gson.GsonMessageBodyHandler;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Class to manage life cycle of xacml pdp rest server.
- *
- */
-public class XacmlPdpRestServer implements Startable {
-
-    private static final String SEPARATOR = ".";
-    private static final String HTTP_SERVER_SERVICES = "http.server.services";
-    private static final Logger LOGGER = LoggerFactory.getLogger(XacmlPdpRestServer.class);
-
-    private List<HttpServletServer> servers = new ArrayList<>();
-
-    private final RestServerParameters restServerParameters;
-
-    /**
-     * Constructor for instantiating XacmlPdpRestServer.
-     *
-     * @param restServerParameters the rest server parameters
-     */
-    public XacmlPdpRestServer(final RestServerParameters restServerParameters) {
-        this.restServerParameters = restServerParameters;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public boolean start() {
-        try {
-            LOGGER.info("Starting XacmlPdpRestServer...");
-
-            //
-            // Get the server properties
-            //
-            servers = HttpServletServerFactoryInstance.getServerFactory().build(getServerProperties());
-            //
-            // Start all the servers
-            //
-            for (final HttpServletServer server : servers) {
-                if (server.isAaf()) {
-                    server.addFilterClass(null, XacmlPdpAafFilter.class.getName());
-                }
-                server.start();
-            }
-            LOGGER.info("servers are started");
-        } catch (final Exception exp) {
-            LOGGER.error("Failed to start xacml pdp http server", exp);
-            return false;
-        }
-        return true;
-    }
-
-    /**
-     * Creates the server properties object using restServerParameters.
-     *
-     * @return the properties object
-     */
-    private Properties getServerProperties() {
-        final Properties props = new Properties();
-        props.setProperty(HTTP_SERVER_SERVICES, restServerParameters.getName());
-        props.setProperty(HTTP_SERVER_SERVICES + SEPARATOR + restServerParameters.getName() + ".host",
-                restServerParameters.getHost());
-        props.setProperty(HTTP_SERVER_SERVICES + SEPARATOR + restServerParameters.getName() + ".port",
-                Integer.toString(restServerParameters.getPort()));
-        props.setProperty(HTTP_SERVER_SERVICES + SEPARATOR + restServerParameters.getName() + ".restClasses",
-                XacmlPdpRestController.class.getName());
-        props.setProperty(HTTP_SERVER_SERVICES + SEPARATOR + restServerParameters.getName() + ".managed", "false");
-        props.setProperty(HTTP_SERVER_SERVICES + SEPARATOR + restServerParameters.getName() + ".swagger", "true");
-        props.setProperty(HTTP_SERVER_SERVICES + SEPARATOR + restServerParameters.getName() + ".userName",
-                restServerParameters.getUserName());
-        props.setProperty(HTTP_SERVER_SERVICES + SEPARATOR + restServerParameters.getName() + ".password",
-                restServerParameters.getPassword());
-        props.setProperty(HTTP_SERVER_SERVICES + SEPARATOR + restServerParameters.getName() + ".https",
-                String.valueOf(restServerParameters.isHttps()));
-        props.setProperty(HTTP_SERVER_SERVICES + SEPARATOR + restServerParameters.getName() + ".aaf",
-                String.valueOf(restServerParameters.isAaf()));
-        props.setProperty(HTTP_SERVER_SERVICES + SEPARATOR + restServerParameters.getName() + ".serialization.provider",
-                GsonMessageBodyHandler.class.getName());
-        return props;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public boolean stop() {
-        for (final HttpServletServer server : servers) {
-            try {
-                server.shutdown();
-            } catch (final Exception exp) {
-                LOGGER.error("Failed to stop xacml pdp http server", exp);
-            }
-        }
-        return true;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public void shutdown() {
-        stop();
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public boolean isAlive() {
-        return !servers.isEmpty();
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public String toString() {
-        final StringBuilder builder = new StringBuilder();
-        builder.append("XacmlPdpRestServer [servers=");
-        builder.append(servers);
-        builder.append("]");
-        return builder.toString();
-    }
-
-}
diff --git a/main/src/main/java/org/onap/policy/pdpx/main/startstop/XacmlPdpActivator.java b/main/src/main/java/org/onap/policy/pdpx/main/startstop/XacmlPdpActivator.java
index eb3ac230..70253c09 100644
--- a/main/src/main/java/org/onap/policy/pdpx/main/startstop/XacmlPdpActivator.java
+++ b/main/src/main/java/org/onap/policy/pdpx/main/startstop/XacmlPdpActivator.java
@@ -29,6 +29,7 @@ import org.onap.policy.common.endpoints.event.comm.TopicEndpointManager;
 import org.onap.policy.common.endpoints.event.comm.TopicSource;
 import org.onap.policy.common.endpoints.event.comm.client.TopicSinkClient;
 import org.onap.policy.common.endpoints.event.comm.client.TopicSinkClientException;
+import org.onap.policy.common.endpoints.http.server.RestServer;
 import org.onap.policy.common.endpoints.listeners.MessageTypeDispatcher;
 import org.onap.policy.common.parameters.ParameterService;
 import org.onap.policy.common.utils.services.ServiceManagerContainer;
@@ -40,8 +41,9 @@ import org.onap.policy.pdpx.main.comm.XacmlPdpHearbeatPublisher;
 import org.onap.policy.pdpx.main.comm.listeners.XacmlPdpStateChangeListener;
 import org.onap.policy.pdpx.main.comm.listeners.XacmlPdpUpdateListener;
 import org.onap.policy.pdpx.main.parameters.XacmlPdpParameterGroup;
+import org.onap.policy.pdpx.main.rest.XacmlPdpAafFilter;
 import org.onap.policy.pdpx.main.rest.XacmlPdpApplicationManager;
-import org.onap.policy.pdpx.main.rest.XacmlPdpRestServer;
+import org.onap.policy.pdpx.main.rest.XacmlPdpRestController;
 import org.onap.policy.pdpx.main.rest.XacmlPdpStatisticsManager;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -66,11 +68,6 @@ public class XacmlPdpActivator extends ServiceManagerContainer {
     private final XacmlPdpParameterGroup xacmlPdpParameterGroup;
 
     /**
-     * The XACML PDP REST API server.
-     */
-    private XacmlPdpRestServer restServer;
-
-    /**
      * Listens for messages on the topic, decodes them into a {@link PdpStatus} message, and then
      * dispatches them to appropriate listener.
      */
@@ -91,6 +88,7 @@ public class XacmlPdpActivator extends ServiceManagerContainer {
         final XacmlPdpHearbeatPublisher heartbeat;
         final TopicSinkClient sinkClient;
         final XacmlState state;
+        final RestServer restServer;
 
         try {
             XacmlPdpApplicationManager appmgr =
@@ -119,6 +117,9 @@ public class XacmlPdpActivator extends ServiceManagerContainer {
             msgDispatcher.register(PdpMessageType.PDP_UPDATE.name(),
                             new XacmlPdpUpdateListener(sinkClient, state, heartbeat, appmgr));
 
+            restServer = new RestServer(xacmlPdpParameterGroup.getRestServerParameters(), XacmlPdpAafFilter.class,
+                                XacmlPdpRestController.class);
+
         } catch (RuntimeException | TopicSinkClientException e) {
             throw new PolicyXacmlPdpRuntimeException(e.getMessage(), e);
         }
@@ -146,13 +147,9 @@ public class XacmlPdpActivator extends ServiceManagerContainer {
             heartbeat::start,
             heartbeat::terminate);
 
-        addAction("Create REST server",
-            () -> restServer = new XacmlPdpRestServer(xacmlPdpParameterGroup.getRestServerParameters()),
-            () -> restServer = null);
-
         addAction("REST server",
-            () -> restServer.start(),
-            () -> restServer.stop());
+            restServer::start,
+            restServer::stop);
 
         // @formatter:on
     }