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/*-
* ============LICENSE_START=======================================================
* policy-endpoints
* ================================================================================
* Copyright (C) 2017 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.openecomp.policy.drools.http.server.internal;
import java.util.ArrayList;
import java.util.HashMap;
import org.eclipse.jetty.servlet.ServletHolder;
import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
import org.openecomp.policy.common.logging.flexlogger.Logger;
/**
* REST Jetty Server using Jersey
*/
public class JettyJerseyServer extends JettyServletServer {
protected static final String JERSEY_PACKAGES_PARAM = "jersey.config.server.provider.packages";
protected static final String JERSEY_CLASSNAMES_PARAM = "jersey.config.server.provider.classnames";
protected static Logger logger = FlexLogger.getLogger(JettyJerseyServer.class);
protected ArrayList<String> packages = new ArrayList<String>();
protected HashMap<String, ServletHolder> servlets =
new HashMap<String, ServletHolder>();
public JettyJerseyServer(String name, String host, int port, String contextPath)
throws IllegalArgumentException {
super(name, host, port, contextPath);
}
protected synchronized ServletHolder getServlet(String servletPath)
throws IllegalArgumentException {
if (servletPath == null || servletPath.isEmpty())
servletPath = "/*";
ServletHolder jerseyServlet = servlets.get(servletPath);
if (jerseyServlet == null) {
jerseyServlet = context.addServlet
(org.glassfish.jersey.servlet.ServletContainer.class, servletPath);
jerseyServlet.setInitOrder(0);
String initPackages =
jerseyServlet.getInitParameter(JERSEY_PACKAGES_PARAM);
if (initPackages == null) {
jerseyServlet.setInitParameter(
JERSEY_PACKAGES_PARAM,
"com.jersey.jaxb,com.fasterxml.jackson.jaxrs.json");
}
this.servlets.put(servletPath, jerseyServlet);
}
return jerseyServlet;
}
@Override
public synchronized void addServletPackage(String servletPath, String restPackage)
throws IllegalArgumentException, IllegalStateException {
if (restPackage == null || restPackage.isEmpty())
throw new IllegalArgumentException("No discoverable REST package provided");
ServletHolder jerseyServlet = this.getServlet(servletPath);
if (jerseyServlet == null)
throw new IllegalStateException("Unexpected, no Jersey Servlet class");
String initPackages =
jerseyServlet.getInitParameter(JERSEY_PACKAGES_PARAM);
if (initPackages == null)
throw new IllegalStateException("Unexpected, no Init Parameters loaded");
jerseyServlet.setInitParameter(
JERSEY_PACKAGES_PARAM,
initPackages + "," + restPackage);
if (logger.isDebugEnabled())
logger.debug(this + "Added REST Package: " + jerseyServlet.dump());
}
@Override
public synchronized void addServletClass(String servletPath, String restClass)
throws IllegalArgumentException, IllegalStateException {
if (restClass == null || restClass.isEmpty())
throw new IllegalArgumentException("No discoverable REST class provided");
ServletHolder jerseyServlet = this.getServlet(servletPath);
if (jerseyServlet == null)
throw new IllegalStateException("Unexpected, no Jersey Servlet class");
String initClasses =
jerseyServlet.getInitParameter(JERSEY_CLASSNAMES_PARAM);
if (initClasses == null)
initClasses = restClass;
else
initClasses = initClasses + "," + restClass;
jerseyServlet.setInitParameter(
JERSEY_CLASSNAMES_PARAM,
initClasses);
if (logger.isDebugEnabled())
logger.debug(this + "Added REST Class: " + jerseyServlet.dump());
}
@Override
public String toString() {
StringBuilder builder = new StringBuilder();
builder.append("JerseyJettyServer [packages=").append(packages).append(", servlets=").append(servlets)
.append(", toString()=").append(super.toString()).append("]");
return builder.toString();
}
}
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