Package com.noelios.restlet.application

Source Code of com.noelios.restlet.application.ApplicationContext

/**
* Copyright 2005-2008 Noelios Technologies.
*
* The contents of this file are subject to the terms of the following open
* source licenses: LGPL 3.0 or LGPL 2.1 or CDDL 1.0 (the "Licenses"). You can
* select the license that you prefer but you may not use this file except in
* compliance with one of these Licenses.
*
* You can obtain a copy of the LGPL 3.0 license at
* http://www.gnu.org/licenses/lgpl-3.0.html
*
* You can obtain a copy of the LGPL 2.1 license at
* http://www.gnu.org/licenses/lgpl-2.1.html
*
* You can obtain a copy of the CDDL 1.0 license at
* http://www.sun.com/cddl/cddl.html
*
* See the Licenses for the specific language governing permissions and
* limitations under the Licenses.
*
* Alternatively, you can obtain a royaltee free commercial license with less
* limitations, transferable or non-transferable, directly at
* http://www.noelios.com/products/restlet-engine/.
*
* Restlet is a registered trademark of Noelios Technologies.
*/

package com.noelios.restlet.application;

import java.util.logging.Logger;

import org.restlet.Application;
import org.restlet.Client;
import org.restlet.Context;
import org.restlet.Uniform;
import org.restlet.data.Protocol;

import com.noelios.restlet.TemplateDispatcher;

/**
* Context based on a parent component's context but dedicated to an
* application. This is important to allow contextual access to application's
* resources.
*
* @author Jerome Louvel (contact@noelios.com)
*/
public class ApplicationContext extends Context {
    /** The WAR client. */
    private Client warClient;

    /** The application delegate. */
    private Application application;

    /** The parent context. */
    private Context parentContext;

    /**
     * Constructor.
     *
     * @param application
     *            The application.
     * @param parentContext
     *            The parent context.
     * @param logger
     *            The logger instance of use.
     */
    public ApplicationContext(Application application, Context parentContext,
            Logger logger) {
        super(getLoggerName(application));
        this.application = application;
        this.parentContext = parentContext;
        this.warClient = null;

        // Set the application as an attribute for usage by other services
        // like the ConnectorService
        getAttributes().put(Application.KEY, application);

    }

    /**
     * Returns a non-null logger name.
     *
     * @param application
     *            The application.
     * @return The logger name.
     */
    private static String getLoggerName(Application application) {
        String result = application.getClass().getCanonicalName();
        if (result == null)
            result = "org.restlet.application";
        return result;
    }

    /**
     * Returns a call dispatcher.
     *
     * @return A call dispatcher.
     */
  @Override
    public Uniform getDispatcher() {
        return new TemplateDispatcher(this, new ApplicationDispatcher(this));
    }

    /**
     * Returns the application.
     *
     * @return the application.
     */
    protected Application getApplication() {
        return this.application;
    }

    /**
     * Returns the WAR client.
     *
     * @return the WAR client.
     */
    protected Client getWarClient() {
        if (this.warClient == null) {
            this.warClient = new Client(Protocol.WAR);
        }

        return this.warClient;
    }

    /**
     * Sets the WAR client.
     *
     * @param warClient
     *            the WAR client.
     */
    protected void setWarClient(Client warClient) {
        this.warClient = warClient;
    }

    /**
     * Returns the parent context.
     *
     * @return The parent context.
     */
    protected Context getParentContext() {
        return this.parentContext;
    }

}
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