org.directwebremoting.impl.GrizzlyContainerAbstraction Maven / Gradle / Ivy

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DWR is easy Ajax for Java. It makes it simple to call Java code directly from Javascript. It gets rid of almost all the boiler plate code between the web browser and your Java code.

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/*
 * Copyright 2005 Joe Walker
 *
 * 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.
 */
package org.directwebremoting.impl;

import javax.servlet.ServletConfig;
import javax.servlet.http.HttpServletRequest;

import org.directwebremoting.extend.ContainerAbstraction;
import org.directwebremoting.extend.ServerLoadMonitor;
import org.directwebremoting.extend.Sleeper;

/**
 * An abstraction of the servlet container that is specific to Grizzly
 * @author Joe Walker [joe at getahead dot ltd dot uk]
 */
public class GrizzlyContainerAbstraction implements ContainerAbstraction
{
    /* (non-Javadoc)
     * @see org.directwebremoting.dwrp.ContainerAbstraction#isNativeEnvironment(javax.servlet.ServletConfig)
     */
    public boolean isNativeEnvironment(ServletConfig servletConfig)
    {
        String serverInfo = servletConfig.getServletContext().getServerInfo();
        if (serverInfo.startsWith("Sun Java System Application Server "))
        {
            // TODO: some number versioning
            return true;
        }

        return false;
    }

    /* (non-Javadoc)
     * @see org.directwebremoting.dwrp.ContainerAbstraction#createSleeper(javax.servlet.http.HttpServletRequest)
     */
    public Sleeper createSleeper(HttpServletRequest request)
    {
        return new GrizzlyContinuationSleeper(request);
    }

    /* (non-Javadoc)
     * @see org.directwebremoting.dwrp.ContainerAbstraction#getServerLoadMonitorImplementation()
     */
    public Class getServerLoadMonitorImplementation()
    {
        return ThreadDroppingServerLoadMonitor.class;
    }
}