remoting/server/web/base.web.api/src/org/netbeans/modules/jackpot30/backend/base/FreemarkerUtilities.java

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package org.netbeans.modules.jackpot30.backend.base;

import freemarker.cache.TemplateLoader;
import freemarker.template.Configuration;
import freemarker.template.Template;
import freemarker.template.TemplateException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.StringWriter;
import java.util.Map;

/**
 *
 * @author lahvac
 */
public class FreemarkerUtilities {

    public static String processTemplate(String template, Map<String, Object> configurationData) throws TemplateException, IOException {
        Configuration conf = new Configuration();

        conf.setTemplateLoader(new TemplateLoaderImpl());

        Template templ = conf.getTemplate(template);
        StringWriter out = new StringWriter();

        templ.process(configurationData, out);

        return out.toString();
    }

    private static final class TemplateLoaderImpl implements TemplateLoader {

        public Object findTemplateSource(String name) throws IOException {
            return TemplateLoaderImpl.class.getResourceAsStream("/" + name);
        }

        public long getLastModified(Object templateSource) {
            return 0L;
        }

        public Reader getReader(Object templateSource, String encoding) throws IOException {
            InputStream in = (InputStream) templateSource;

            return new InputStreamReader(in);
        }

        public void closeTemplateSource(Object templateSource) throws IOException {
        }
    }

}