it.tidalwave.northernwind.frontend.ui.springmvc.SpringMvcSiteView.java Source code

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/*
 * #%L
 * *********************************************************************************************************************
 * 
 * NorthernWind - lightweight CMS
 * http://northernwind.tidalwave.it - git clone https://bitbucket.org/tidalwave/northernwind-src.git
 * %%
 * Copyright (C) 2011 - 2016 Tidalwave s.a.s. (http://tidalwave.it)
 * %%
 * *********************************************************************************************************************
 * 
 * Licensed 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.
 * 
 * *********************************************************************************************************************
 * 
 * $Id$
 * 
 * *********************************************************************************************************************
 * #L%
 */
package it.tidalwave.northernwind.frontend.ui.springmvc;

import javax.annotation.Nonnull;
import javax.inject.Inject;
import java.io.IOException;
import org.springframework.beans.factory.annotation.Configurable;
import org.springframework.context.annotation.Scope;
import org.springframework.http.HttpStatus;
import it.tidalwave.util.NotFoundException;
import it.tidalwave.role.Composite.Visitor;
import it.tidalwave.northernwind.core.model.SiteNode;
import it.tidalwave.northernwind.frontend.ui.Layout;
import it.tidalwave.northernwind.frontend.ui.SiteView;
import it.tidalwave.northernwind.frontend.ui.component.htmltemplate.TextHolder;
import it.tidalwave.northernwind.frontend.springmvc.SpringMvcResponseHolder;
import lombok.extern.slf4j.Slf4j;

/***********************************************************************************************************************
 *
 * The Vaadin implementation of {@link SiteView}.
 *
 * @author  Fabrizio Giudici
 * @version $Id$
 *
 **********************************************************************************************************************/
@Configurable
@Scope(value = "session")
@Slf4j
public class SpringMvcSiteView implements SiteView {
    @Inject
    private SpringMvcResponseHolder responseHolder;

    /*******************************************************************************************************************
     *
     * {@inheritDoc}
     *
     ******************************************************************************************************************/
    @Override
    public void renderSiteNode(final @Nonnull SiteNode siteNode) throws IOException {
        log.info("renderSiteNode({})", siteNode);

        try {
            final Visitor<Layout, TextHolder> nodeViewBuilderVisitor = new SpringMvcNodeViewBuilderVisitor(
                    siteNode);
            final TextHolder textHolder = siteNode.getLayout().accept(nodeViewBuilderVisitor);
            responseHolder.response().withBody(textHolder.asBytes("UTF-8"))
                    .withContentType(textHolder.getMimeType()).put();
        } catch (NotFoundException e) {
            log.error("", e);
            responseHolder.response().withStatus(HttpStatus.NOT_FOUND.value()).withBody(e.toString())
                    .withContentType("text/html").put();
        }
    }

    @Override
    public void setCaption(final String string) {
        //        throw new UnsupportedOperationException("Not supported yet.");
    }
}