es.sm2.openppm.core.plugin.PluginTemplate.java Source code

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Here is the source code for es.sm2.openppm.core.plugin.PluginTemplate.java

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/*
 * Copyright (C) 2009-2015 SM2 SOFTWARE & SERVICES MANAGEMENT
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program has been created in the hope that it will be useful.
 * It is distributed WITHOUT ANY WARRANTY of any Kind,
 * without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see http://www.gnu.org/licenses/.
 *
 * For more information, please contact SM2 Software & Services Management.
 * Mail: info@talaia-openppm.com
 * Web: http://www.talaia-openppm.com
 *
 * Module: core
 * File: PluginTemplate.java
 * Create User: javier.hernandez
 * Create Date: 15/03/2015 12:53:00
 */

package es.sm2.openppm.core.plugin;

import java.io.IOException;
import java.io.InputStream;
import java.io.StringWriter;
import java.util.HashMap;

import es.sm2.openppm.utils.LogManager;
import org.apache.commons.io.IOUtils;
import org.apache.log4j.Logger;

import freemarker.cache.StringTemplateLoader;
import freemarker.template.Configuration;
import freemarker.template.Template;
import freemarker.template.TemplateException;

public class PluginTemplate {

    /**
     * Load template for plugin
     * 
     * @param templateName
     * @param data
     * @return
     * @throws IOException
     * @throws TemplateException
     */
    public static String getTemplate(String templateName, HashMap<String, Object> data)
            throws IOException, TemplateException {

        Logger log = LogManager.getLog(PluginTemplate.class);

        // Print data to logger
        if (log.isDebugEnabled()) {
            log.debug("Create Template: " + templateName);

            if (data != null && !data.isEmpty()) {

                for (String key : data.keySet()) {
                    log.debug("Parameter: " + key + " Value: " + data.get(key));
                }
            }
        }

        // Load template
        InputStream stream = PluginTemplate.class.getResourceAsStream(templateName);
        String teamplate = IOUtils.toString(stream);

        // Create loader
        StringTemplateLoader stringLoader = new StringTemplateLoader();
        stringLoader.putTemplate("template", teamplate);

        // Create configuration
        Configuration cfg = new Configuration();
        cfg.setTemplateLoader(stringLoader);

        Template template = cfg.getTemplate("template");

        StringWriter writer = new StringWriter();
        template.process(data, writer);

        return writer.toString();
    }

}