Package org.restlet.example.tutorial

Source Code of org.restlet.example.tutorial.Part10

/**
* Copyright 2005-2011 Noelios Technologies.
*
* The contents of this file are subject to the terms of one of the following
* open source licenses: LGPL 3.0 or LGPL 2.1 or CDDL 1.0 or EPL 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.opensource.org/licenses/lgpl-3.0.html
*
* You can obtain a copy of the LGPL 2.1 license at
* http://www.opensource.org/licenses/lgpl-2.1.php
*
* You can obtain a copy of the CDDL 1.0 license at
* http://www.opensource.org/licenses/cddl1.php
*
* You can obtain a copy of the EPL 1.0 license at
* http://www.opensource.org/licenses/eclipse-1.0.php
*
* See the Licenses for the specific language governing permissions and
* limitations under the Licenses.
*
* Alternatively, you can obtain a royalty 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 org.restlet.example.tutorial;

import org.restlet.Application;
import org.restlet.Component;
import org.restlet.Restlet;
import org.restlet.data.Protocol;
import org.restlet.routing.Extractor;
import org.restlet.routing.Redirector;
import org.restlet.routing.Router;

/**
* URI rewriting, attribute extraction and redirection.
*
* @author Jerome Louvel
*/
public class Part10 extends Application {

    /**
     * Run the example as a standalone component.
     *
     * @param args
     *            The optional arguments.
     * @throws Exception
     */
    public static void main(String[] args) throws Exception {
        // Create a component
        Component component = new Component();
        component.getServers().add(Protocol.HTTP, 8111);

        // Create an application
        Application application = new Part10();

        // Attach the application to the component and start it
        component.getDefaultHost().attachDefault(application);
        component.start();
    }

    @Override
    public Restlet createInboundRoot() {
        // Create a root router
        Router router = new Router(getContext());

        // Create a Redirector to Google search service
        String target = "http://www.google.com/search?q=site:mysite.org+{keywords}";
        Redirector redirector = new Redirector(getContext(), target,
                Redirector.MODE_CLIENT_TEMPORARY);

        // While routing requests to the redirector, extract the "kwd" query
        // parameter. For instance :
        // http://localhost:8111/search?kwd=myKeyword1+myKeyword2
        // will be routed to
        // http://www.google.com/search?q=site:mysite.org+myKeyword1%20myKeyword2
        Extractor extractor = new Extractor(getContext(), redirector);
        extractor.extractFromQuery("keywords", "kwd", true);

        // Attach the extractor to the router
        router.attach("/search", extractor);

        // Return the root router
        return router;
    }

}
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