org.thymeleaf.spring4.view.FragmentRenderer.java Source code

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Here is the source code for org.thymeleaf.spring4.view.FragmentRenderer.java

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/*
 * Copyright 2012, Ufuk Uzun (http://www.ufukuzun.com/)
 *
 * 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.
 */

package org.thymeleaf.spring4.view;

import org.springframework.ui.ModelMap;
import org.thymeleaf.fragment.IFragmentSpec;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServletResponseWrapper;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.Map;

public final class FragmentRenderer {

    private FragmentRenderer() {
    }

    public static String render(final ThymeleafView view, final IFragmentSpec fragmentSpec, ModelMap modelMap,
            HttpServletRequest request, HttpServletResponse response) throws Exception {
        final StringWriter htmlStringWriter = new StringWriter();

        new ThymeleafView() {

            @Override
            public void render(Map<String, ?> model, HttpServletRequest request, HttpServletResponse response)
                    throws Exception {
                HttpServletResponseWrapper wrapper = new HttpServletResponseWrapper(response) {

                    @Override
                    public PrintWriter getWriter() throws IOException {
                        return new PrintWriter(htmlStringWriter);
                    }

                };

                view.renderFragment(fragmentSpec, model, request, wrapper);
            }

        }.render(modelMap, request, response);

        return htmlStringWriter.toString();
    }

}