org.n52.tamis.rest.controller.capabilities.CapabilitiesController.java Source code

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Here is the source code for org.n52.tamis.rest.controller.capabilities.CapabilitiesController.java

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/**
 * Copyright (C) 2016-2016 52North Initiative for Geospatial Open Source
 * Software GmbH
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License version 2 as publishedby the Free
 * Software Foundation.
 *
 * If the program is linked with libraries which are licensed under one of the
 * following licenses, the combination of the program with the linked library is
 * not considered a "derivative work" of the program:
 *
 *     - Apache License, version 2.0
 *     - Apache Software License, version 1.0
 *     - GNU Lesser General Public License, version 3
 *     - Mozilla Public License, versions 1.0, 1.1 and 2.0
 *     - Common Development and Distribution License (CDDL), version 1.0
 *
 * Therefore the distribution of the program linked with libraries licensed under
 * the aforementioned licenses, is permitted by the copyright holders if the
 * distribution is compliant with both the GNU General Public License version 2
 * and the aforementioned licenses.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE. See the GNU General Public License for more details.
 */
package org.n52.tamis.rest.controller.capabilities;

import javax.servlet.http.HttpServletRequest;

import org.n52.tamis.core.javarepresentations.capabilities.Capabilities_Tamis;
import org.n52.tamis.core.urlconstants.URL_Constants_TAMIS;
import org.n52.tamis.rest.controller.AbstractRestController;
import org.n52.tamis.rest.controller.ParameterValueStore;
import org.n52.tamis.rest.forward.capabilities.CapabilitiesRequestForwarder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

/**
 * REST-Controller for WPS getCapabilities request
 * 
 * @author Christian Danowski (contact: c.danowski@52north.org)
 *
 */
@RequestMapping(value = URL_Constants_TAMIS.CAPABILITIES, method = RequestMethod.GET, produces = {
        "application/json" })
public class CapabilitiesController extends AbstractRestController {

    private static final Logger logger = LoggerFactory.getLogger(CapabilitiesController.class);

    @Autowired
    CapabilitiesRequestForwarder capRequestForwarder;

    @Autowired
    ParameterValueStore parameterValueStore;

    /**
     * 
     * Returns the shortened WPS capabilities document.
     * 
     * @param serviceID
     *            inside the URL the variable
     *            {@link URL_Constants_TAMIS#SERVICE_ID_VARIABLE_NAME} specifies
     *            the id of the service.
     * @return shortened capabilities document
     */
    @RequestMapping("")
    @ResponseBody
    public ResponseEntity<Capabilities_Tamis> getCapabilities(
            @PathVariable(URL_Constants_TAMIS.SERVICE_ID_VARIABLE_NAME) String serviceId,
            HttpServletRequest request) {

        /*
         * Delegates the incoming request to the WPS proxy instance, fetches the
         * extended capabilities document, shortens it and sends it back
         */
        logger.info("Received capabilities request for service id \"{}\"!", serviceId);

        this.parameterValueStore.addParameterValuePair(URL_Constants_TAMIS.SERVICE_ID_VARIABLE_NAME, serviceId);

        Capabilities_Tamis capabilitiesDoc = capRequestForwarder.forwardRequestToWpsProxy(request, null,
                this.parameterValueStore);

        // return to client; will be converted to JSON implicitly
        return ResponseEntity.ok(capabilitiesDoc);
    }

}