org.directwebremoting.impl.TestEnvironment 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 java.io.IOException;

import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.xml.parsers.ParserConfigurationException;

import org.directwebremoting.Container;
import org.directwebremoting.WebContextFactory.WebContextBuilder;
import org.directwebremoting.annotations.AnnotationsConfigurator;
import org.directwebremoting.extend.Configurator;
import org.directwebremoting.extend.ConverterManager;
import org.directwebremoting.util.FakeServletConfig;
import org.directwebremoting.util.FakeServletContextFactory;
import org.xml.sax.SAXException;

/**
 * @author Joe Walker [joe at getahead dot ltd dot uk]
 */
public class TestEnvironment
{
    /**
     * Configure from a dwr.xml file given as a class resource name
     */
    public static void configureFromClassResource(String classResourceName) throws IOException, ParserConfigurationException, SAXException
    {
        DwrXmlConfigurator local = new DwrXmlConfigurator();
        local.setClassResourceName(classResourceName);
        local.configure(container);
    }

    /**
     *
     */
    public static void engageThread()
    {
        webContextBuilder.engageThread(container, null, null);
    }

    /**
     *
     */
    public static void disengageThread()
    {
        webContextBuilder.disengageThread();
    }

    /**
     *
     */
    public static ConverterManager getConverterManager()
    {
        return container.getBean(ConverterManager.class);
    }

    /**
     * @return the container
     */
    public static Container getContainer()
    {
        return container;
    }

    /**
     * @return the servletConfig
     */
    public static ServletConfig getServletConfig()
    {
        return servletConfig;
    }

    /**
     * @return the servletContext
     */
    public static ServletContext getServletContext()
    {
        return servletContext;
    }

    /**
     * @return the webContextBuilder
     */
    public static WebContextBuilder getWebContextBuilder()
    {
        return webContextBuilder;
    }

    private static Container container;

    private static WebContextBuilder webContextBuilder;

    private final static ServletContext servletContext = FakeServletContextFactory.create();

    private final static ServletConfig servletConfig = new FakeServletConfig("dwr-test", servletContext);

    /**
    *
    */
   static
   {
       try
       {
           container = StartupUtil.createAndSetupDefaultContainer(servletConfig);

           webContextBuilder = container.getBean(WebContextBuilder.class);

           StartupUtil.configureFromSystemDwrXml(container);

           Configurator configurator = new AnnotationsConfigurator();
           configurator.configure(container);
       }
       catch (Exception ex)
       {
           throw new RuntimeException(ex);
       }
       finally
       {
           if (webContextBuilder != null)
           {
               webContextBuilder.disengageThread();
           }
       }
   }
}