ServiceProviderCatalogService.java

/*******************************************************************************
 * Copyright (c) 2012, 2014 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *
 *     Russell Boykin       - initial API and implementation
 *     Alberto Giammaria    - initial API and implementation
 *     Chris Peters         - initial API and implementation
 *     Gianluca Bernardini  - initial API and implementation
 *     Michael Fiedler      - implementation for Bugzilla adapter
 *     Jad El-khoury        - initial implementation of code generator (https://bugs.eclipse.org/bugs/show_bug.cgi?id=422448)
 *
 * This file is generated by org.eclipse.lyo.oslc4j.codegenerator
 *******************************************************************************/

package hu.bme.mit.massif.oslc.adaptor.services;

import hu.bme.mit.massif.oslc.adaptor.SimulinkAdaptorConstants;
import hu.bme.mit.massif.oslc.adaptor.servlet.ServiceProviderCatalogSingleton;

import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;

import javax.servlet.RequestDispatcher;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import javax.ws.rs.core.UriInfo;

import org.eclipse.lyo.oslc4j.core.annotation.OslcDialog;
import org.eclipse.lyo.oslc4j.core.annotation.OslcQueryCapability;
import org.eclipse.lyo.oslc4j.core.annotation.OslcService;
import org.eclipse.lyo.oslc4j.core.model.OslcConstants;
import org.eclipse.lyo.oslc4j.core.model.OslcMediaType;
import org.eclipse.lyo.oslc4j.core.model.ServiceProviderCatalog;

// Start of user code imports
// End of user code

@OslcService(OslcConstants.OSLC_CORE_DOMAIN)
@Path("catalog")
public class ServiceProviderCatalogService {
    @Context
    private HttpServletRequest  httpServletRequest;
    @Context
    private HttpServletResponse httpServletResponse;
    @Context
    private UriInfo             uriInfo;

    @OslcDialog(title = "Service Provider Catalog Selection Dialog", label = "Service Provider Catalog Selection Dialog", uri = "/catalog", hintWidth = "1000px", hintHeight = "600px", resourceTypes = { OslcConstants.TYPE_SERVICE_PROVIDER_CATALOG }, usages = { OslcConstants.OSLC_USAGE_DEFAULT })
    @OslcQueryCapability(title = "Service Provider Catalog Query Capability", label = "Service Provider Catalog Query", resourceShape = OslcConstants.PATH_RESOURCE_SHAPES
            + "/" + OslcConstants.PATH_SERVICE_PROVIDER_CATALOG, resourceTypes = { OslcConstants.TYPE_SERVICE_PROVIDER_CATALOG }, usages = { OslcConstants.OSLC_USAGE_DEFAULT })
    /**
     * Redirect requests to /catalog to /catalog/singleton
     *
     * By default, OSLC4J returns an OSLC query response for /catalog.  We really just
     * want the catalog itself which lives at /catalog/{serviceProviderCatalogId}
     *
     * @return
     * @throws IOException
     * @throws URISyntaxException
     */
    @GET
    public Response getServiceProviderCatalogs() throws IOException, URISyntaxException {
        String forwardUri = uriInfo.getAbsolutePath() + "/singleton";
        httpServletResponse.sendRedirect(forwardUri);
        return Response.seeOther(new URI(forwardUri)).build();
    }

    /**
     * Return the OSLC service provider catalog as RDF/XML, XML or JSON
     *
     * @return
     */

    @GET
    @Path("{serviceProviderCatalogId}")
    // Required to distinguish from array result. But, ignored.
    @Produces({ OslcMediaType.APPLICATION_RDF_XML, OslcMediaType.APPLICATION_XML, OslcMediaType.APPLICATION_JSON })
    public ServiceProviderCatalog getServiceProviderCatalog() {
        ServiceProviderCatalog catalog = ServiceProviderCatalogSingleton.getServiceProviderCatalog(httpServletRequest);

        if (catalog != null) {

            httpServletResponse.addHeader(SimulinkAdaptorConstants.HDR_OSLC_VERSION, "2.0");
            return catalog;
        }

        throw new WebApplicationException(Status.NOT_FOUND);
    }

    /**
     * Return the catalog singleton as HTML
     * <p>
     * Forwards to serviceprovidercatalog_html.jsp to build the html
     *
     * @param serviceProviderId
     */

    @GET
    @Path("{someId}")
    @Produces(MediaType.TEXT_HTML)
    public void getHtmlServiceProvider(@PathParam("someId") final String someId) {
        ServiceProviderCatalog catalog = ServiceProviderCatalogSingleton.getServiceProviderCatalog(httpServletRequest);

        if (catalog != null) {
            httpServletRequest.setAttribute("catalog", catalog);
            // Start of user code getHtmlServiceProvider_setAttributes
            // End of user code

            RequestDispatcher rd = httpServletRequest
                    .getRequestDispatcher("/hu/bme/mit/simulink/oslc/adaptor/serviceProviderCatalog_html.jsp");
            try {
                rd.forward(httpServletRequest, httpServletResponse);
            } catch (Exception e) {
                e.printStackTrace();
                throw new WebApplicationException(e);
            }
        }
    }

}