add rest serve and distribution framework

[multicloud/framework.git] / artifactbroker / main / src / main / java / org / onap / policy / distribution / main / rest / DistributionRestServer.java

diff --git a/artifactbroker/main/src/main/java/org/onap/policy/distribution/main/rest/DistributionRestServer.java b/artifactbroker/main/src/main/java/org/onap/policy/distribution/main/rest/DistributionRestServer.java
new file mode 100644 (file)
index 0000000..748d516
--- /dev/null
+++ b/artifactbroker/main/src/main/java/org/onap/policy/distribution/main/rest/DistributionRestServer.java
@@ -0,0 +1,142 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.distribution.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.logging.flexlogger.FlexLogger;
+import org.onap.policy.common.logging.flexlogger.Logger;
+import org.onap.policy.distribution.main.parameters.RestServerParameters;
+
+/**
+ * Class to manage life cycle of distribution rest server.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@ericsson.com)
+ */
+public class DistributionRestServer implements Startable {
+
+    private static final String SEPARATOR = ".";
+    private static final String HTTP_SERVER_SERVICES = "http.server.services";
+    private static final Logger LOGGER = FlexLogger.getLogger(DistributionRestServer.class);
+
+    private List<HttpServletServer> servers = new ArrayList<>();
+
+    private RestServerParameters restServerParameters;
+
+    /**
+     * Constructor for instantiating DistributionRestServer.
+     *
+     * @param restServerParameters the rest server parameters
+     */
+    public DistributionRestServer(final RestServerParameters restServerParameters) {
+        this.restServerParameters = restServerParameters;
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public boolean start() {
+        try {
+            servers = HttpServletServer.factory.build(getServerProperties());
+            for (final HttpServletServer server : servers) {
+                server.start();
+            }
+        } catch (final Exception exp) {
+            LOGGER.error("Failed to start distribution 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",
+                DistributionRestController.class.getCanonicalName());
+        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()));
+        return props;
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public boolean stop() {
+        for (final HttpServletServer server : servers) {
+            try {
+                server.stop();
+            } catch (final Exception exp) {
+                LOGGER.error("Failed to stop distribution 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("DistributionRestServer [servers=");
+        builder.append(servers);
+        builder.append("]");
+        return builder.toString();
+    }
+
+}