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/*-
* ============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());
}
}
}
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