org.glassmaker.spring.web.FreemarkerMerger.java Source code

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Here is the source code for org.glassmaker.spring.web.FreemarkerMerger.java

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/*******************************************************************************
 * <copyright>
 *
 * Copyright (c) 2014 Eteration A.S.
 * All rights reserved.
 * 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.
 *
 * Contributors:
 *    Naci Dai, Eteration A.S. - initial API, implementation and documentation
 *
 * </copyright>
 *
 *******************************************************************************/
package org.glassmaker.spring.web;

import java.io.ByteArrayOutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.nio.charset.Charset;
import java.util.Map;

import javax.servlet.ServletContext;

import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import freemarker.template.Configuration;
import freemarker.template.Template;

@Component("freemarkerMerger")
public class FreemarkerMerger implements TemplateMerger, InitializingBean {

    @Autowired
    private ServletContext context;

    @Value("${freemarkerpath:/WEB-INF/cards}")
    private String freemarkerpath;

    @Value("${cardextension:.card}")
    private String cardextension;

    private Configuration cfg;

    public FreemarkerMerger() {
    }

    @Override
    public void afterPropertiesSet() throws Exception {
        cfg = new Configuration();
        cfg.setOutputEncoding("UTF-8");
        cfg.setServletContextForTemplateLoading(context, freemarkerpath);

    }

    @Override
    public String merge(String templateName, Map<String, ?> data) throws Exception {
        Template template = cfg.getTemplate(templateName + cardextension, "UTF-8");
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        Writer out = new OutputStreamWriter(bos, Charset.forName("UTF-8"));
        template.process(data, out);
        return bos.toString("UTF-8");
    }

    public String getFreemarkerpath() {
        return freemarkerpath;
    }

    public void setFreemarkerpath(String freemarkerpath) {
        this.freemarkerpath = freemarkerpath;
    }

    public String getCardextension() {
        return cardextension;
    }

    public void setCardextension(String cardextension) {
        this.cardextension = cardextension;
    }

    public ServletContext getContext() {
        return context;
    }

    public void setContext(ServletContext context) {
        this.context = context;
    }
}