1 files changed, 107 insertions, 0 deletions
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/internal/JettyStaticResourceServer.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/internal/JettyStaticResourceServer.java
new file mode 100644
index 00000000..ee2b0540
--- /dev/null
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/internal/JettyStaticResourceServer.java
@@ -0,0 +1,107 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2020, 2023-2024 Nordix Foundation.
+ *  Modifications Copyright (C) 2021 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.endpoints.http.server.internal;
+
+import lombok.ToString;
+import org.apache.commons.lang3.StringUtils;
+import org.eclipse.jetty.servlet.DefaultServlet;
+import org.eclipse.jetty.servlet.ServletHolder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Jetty Server that uses DefaultServlets to support web static resources' management.
+ */
+@ToString
+public class JettyStaticResourceServer extends JettyServletServer {
+
+    /**
+     * Servlet Holder Resource Base Path.
+     */
+    protected static final String SERVLET_HOLDER_RESOURCE_BASE = "resourceBase";
+
+    /**
+     * Servlet Holder Directory Allowed.
+     */
+    protected static final String SERVLET_HOLDER_DIR_ALLOWED = "dirAllowed";
+
+    /**
+     * Servlet Holder Path Information Only.
+     */
+    protected static final String SERVLET_HOLDER_PATH_INFO_ONLY = "pathInfoOnly";
+
+    /**
+     * Logger.
+     */
+    protected static Logger logger = LoggerFactory.getLogger(JettyStaticResourceServer.class);
+
+    /**
+     * Constructor.
+     *
+     * @param name name
+     * @param https enable https?
+     * @param host host server host
+     * @param port port server port
+     * @param sniHostCheck SNI Host checking flag
+     * @param contextPath context path
+     * @throws IllegalArgumentException in invalid arguments are provided
+     */
+    public JettyStaticResourceServer(String name, boolean https, String host, int port, boolean sniHostCheck,
+        String contextPath) {
+
+        super(name, https, host, port, sniHostCheck, contextPath);
+    }
+
+    /**
+     * Retrieves cached default servlet based on servlet path.
+     *
+     * @param servletPath servlet path
+     * @return the jetty servlet holder
+     *
+     * @throws IllegalArgumentException if invalid arguments are provided
+     */
+    protected synchronized ServletHolder getDefaultServlet(String servletPath) {
+        return super.getServlet(DefaultServlet.class, servletPath);
+    }
+
+    @Override
+    public synchronized void addServletResource(String servletPath, String resourceBase) {
+
+        if (StringUtils.isBlank(resourceBase)) {
+            throw new IllegalArgumentException("No resourceBase provided");
+        }
+
+        if (servletPath == null || servletPath.isEmpty()) {
+            servletPath = "/*";
+        }
+
+        ServletHolder defaultServlet = this.getDefaultServlet(servletPath);
+
+        defaultServlet.setInitParameter(SERVLET_HOLDER_RESOURCE_BASE, resourceBase);
+        defaultServlet.setInitParameter(SERVLET_HOLDER_DIR_ALLOWED, "false");
+        defaultServlet.setInitParameter(SERVLET_HOLDER_PATH_INFO_ONLY, "true");
+
+        if (logger.isDebugEnabled()) {
+            logger.debug("{}: added Default Servlet: {}", this, defaultServlet.dump());
+        }
+    }
+}