/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */
package org.apache.activemq.web.config;

import org.eclipse.jetty.server.Handler;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.handler.HandlerCollection;
import org.eclipse.jetty.webapp.Configuration;
import org.eclipse.jetty.webapp.WebAppContext;

/**
 *
 *
 */
public class JspConfigurer {

    public static void configureJetty(Server server, HandlerCollection collection) {
        Configuration.ClassList classlist = Configuration.ClassList
                .setServerDefault( server );
        classlist.addBefore(
                "org.eclipse.jetty.webapp.JettyWebXmlConfiguration",
                "org.eclipse.jetty.annotations.AnnotationConfiguration" );

        // Set the ContainerIncludeJarPattern so that jetty examines these
        // container-path jars for tlds, web-fragments etc.
        // If you omit the jar that contains the jstl .tlds, the jsp engine will
        // scan for them instead.
        for (Handler handler: collection.getHandlers()) {
            if (handler instanceof WebAppContext){
                ((WebAppContext) handler).setAttribute(
                    "org.eclipse.jetty.server.webapp.ContainerIncludeJarPattern",
                    ".*/[^/]*servlet-api-[^/]*\\.jar$|.*/javax.servlet.jsp.jstl-.*\\.jar$|.*/[^/]*taglibs.*\\.jar$" );
            }
        }
    }
}