de.unioninvestment.eai.portal.support.vaadin.CrudVaadinPortletService.java Source code

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Here is the source code for de.unioninvestment.eai.portal.support.vaadin.CrudVaadinPortletService.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 de.unioninvestment.eai.portal.support.vaadin;

import java.util.List;
import java.util.Map;

import com.vaadin.server.DeploymentConfiguration;
import com.vaadin.server.RequestHandler;
import com.vaadin.server.ServiceException;
import com.vaadin.server.VaadinPortlet;
import com.vaadin.server.VaadinPortletService;
import com.vaadin.server.VaadinRequest;
import com.vaadin.server.VaadinResponse;

public class CrudVaadinPortletService extends VaadinPortletService {

    private static final String CRUD2GO_PROCESSING_INFO = "CRUD2GO_PROCESSING_INFO";
    private static final long serialVersionUID = 1L;

    private ParameterRetrievalRequestHandler parameterRetrievalRequestHandler;

    public CrudVaadinPortletService(VaadinPortlet portlet, DeploymentConfiguration deploymentConfiguration)
            throws ServiceException {
        super(portlet, deploymentConfiguration);
    }

    @Override
    protected List<RequestHandler> createRequestHandlers() throws ServiceException {
        List<RequestHandler> handlers = super.createRequestHandlers();
        parameterRetrievalRequestHandler = new ParameterRetrievalRequestHandler();
        handlers.add(parameterRetrievalRequestHandler);
        return handlers;
    }

    /**
     * Self-Contained WAR.
     * 
     * @see <a
     *      href="https://vaadin.com/wiki/-/wiki/Main/Portlet%20with%20custom%20Widgetset%20and%20Theme">
     *      https://vaadin.com/wiki/-/wiki/Main/Portlet%20with%20custom%20Widgetset%20and%20Theme</a>
     *      (Vaadin 6 specific)
     */
    @Override
    public String getStaticFileLocation(VaadinRequest request) {
        return getCurrentRequest().getContextPath();
    }

    @Override
    public void requestStart(VaadinRequest request, VaadinResponse response) {
        request.setAttribute(CRUD2GO_PROCESSING_INFO, new RequestProcessingInfo());
        super.requestStart(request, response);
    }

    public RequestProcessingInfo getCurrentRequestProcessingInfo() {
        VaadinRequest currentRequest = getCurrentRequest();
        return (RequestProcessingInfo) (currentRequest == null ? null
                : currentRequest.getAttribute(CRUD2GO_PROCESSING_INFO));
    }

    public Map<String, String[]> getRequestParameters() {
        return parameterRetrievalRequestHandler.getParameters();
    }

    public static CrudVaadinPortletService getCurrent() {
        return (CrudVaadinPortletService) VaadinPortletService.getCurrent();
    }
}