pl.maciejwalkowiak.plist.spring.PlistView.java Source code

Introduction

Here is the source code for pl.maciejwalkowiak.plist.spring.PlistView.java

Source

/*
 * Copyright (c) 2012 Maciej Walkowiak
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package pl.maciejwalkowiak.plist.spring;

import org.springframework.validation.BindingResult;
import org.springframework.web.servlet.view.AbstractView;
import pl.maciejwalkowiak.plist.PlistSerializerImpl;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.HashMap;
import java.util.Map;

/**
 * @author Maciej Walkowiak
 */
public class PlistView extends AbstractView {
    private static final String ENCODING = "UTF-8";

    private PlistSerializerImpl plistSerializer;

    private String contentType = "text/plist";

    private boolean disableCaching = true;

    public PlistView() {
        setContentType(contentType);

        plistSerializer = new PlistSerializerImpl();
    }

    @Override
    protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request,
            HttpServletResponse response) throws Exception {
        String result = plistSerializer.toXmlPlist(filterModel(model));

        response.getWriter().write(result);
    }

    @Override
    protected void prepareResponse(HttpServletRequest request, HttpServletResponse response) {
        response.setContentType(getContentType());
        response.setCharacterEncoding(ENCODING);
        if (this.disableCaching) {
            response.addHeader("Pragma", "no-cache");
            response.addHeader("Cache-Control", "no-cache, no-store, max-age=0");
            response.addDateHeader("Expires", 1L);
        }
    }

    protected Object filterModel(Map<String, Object> model) {
        Map<String, Object> result = new HashMap<String, Object>(model.size());

        for (Map.Entry<String, Object> entry : model.entrySet()) {
            if (!(entry.getValue() instanceof BindingResult)) {
                result.put(entry.getKey(), entry.getValue());
            }
        }

        return result;
    }

    public void setDisableCaching(boolean disableCaching) {
        this.disableCaching = disableCaching;
    }

    public void setPlistSerializer(PlistSerializerImpl plistSerializer) {
        this.plistSerializer = plistSerializer;
    }
}