internal/grizzly/V3Mapper.java

/*
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 *
 * Copyright (c) 2007-2010 Oracle and/or its affiliates. All rights reserved.
 *
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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package org.glassfish.internal.grizzly;

import com.sun.grizzly.tcp.Adapter;
import com.sun.grizzly.util.http.mapper.Mapper;

import java.util.logging.Level;
import java.util.logging.Logger;
import org.jvnet.hk2.annotations.ContractProvided;
import org.jvnet.hk2.annotations.Service;

/**
 * Extended that {@link Mapper} that prevent the WebContainer to unregister
 * the current {@link Mapper} configuration.
 *
 * @author Jeanfrancois Arcand
 */
@Service
@ContractProvided(Mapper.class)
public class V3Mapper extends ContextMapper {

    private static final String ADMIN_LISTENER = "admin-listener";
    private static final String ADMIN_VS = "__asadmin";


    public V3Mapper() {
        super();
    }


    public V3Mapper(Logger logger) {
        super(logger);
    }


    /**
     * {@inheritDoc}
     */
    @Override
    public void addWrapper(String hostName, String contextPath, String path,
            Object wrapper, boolean jspWildCard) {
        super.addWrapper(hostName, contextPath, path, wrapper, jspWildCard);
        if (logger.isLoggable(Level.FINE)) {
            logger.fine("Wrapper-Host: " + hostName + " contextPath " + contextPath
                    + " wrapper " + wrapper + " path " + path + " jspWildcard " + jspWildCard);
        }
    }


    /**
     * {@inheritDoc}
     */
    @Override
    public synchronized void addHost(String name, String[] aliases,
            Object host) {

        // Prevent any admin related artifacts from being registered on a
        // non-admin listener, and vice versa
        if ((ADMIN_LISTENER.equals(id) && !ADMIN_VS.equals(name)) ||
                (!ADMIN_LISTENER.equals(id) && ADMIN_VS.equals(name))) {
            return;
        }

        super.addHost(name, aliases, host);
    }


    /**
     * {@inheritDoc}
     */
    @Override
    public void addContext(String hostName, String path, Object context,
            String[] welcomeResources, javax.naming.Context resources) {

        if (logger.isLoggable(Level.FINE)) {
            logger.fine("Context-Host: " + hostName + " path " + path + " context " + context +
                    " port " + getPort());
        }

        // Prevent any admin related artifacts from being registered on a
        // non-admin listener, and vice versa
        if ((ADMIN_LISTENER.equals(id) && !ADMIN_VS.equals(hostName)) ||
                (!ADMIN_LISTENER.equals(id) && ADMIN_VS.equals(hostName))) {
            return;
        }

        // The WebContainer is registering new Context. In that case, we must
        // clean all the previously added information, specially the
        // MappingData.wrapper info as this information cannot apply
        // to this Container.
        if (adapter != null && adapter.getClass().getName()
                .equals("org.apache.catalina.connector.CoyoteAdapter")) {
            super.removeContext(hostName, path);
        }

        super.addContext(hostName, path, context, welcomeResources, resources);
    }
}