TemplateRenderer.java

/*
 * Copyright 2012 NGDATA nv
 *
 * 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.lilyproject.tools.recordrowvisualizer;

import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.Map;

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

public class TemplateRenderer {

    private Configuration conf;
    public TemplateRenderer() {
        Configuration conf = new Configuration();
        conf.setClassForTemplateLoading(TemplateRenderer.class, "/org/lilyproject/tools/recordrowvisualizer");
        this.conf = conf;
    }

    public void render(String templateName, Map<String, Object> variables, OutputStream os) throws IOException, TemplateException {
        Template template = conf.getTemplate(templateName);

        Writer out = new OutputStreamWriter(os, "UTF-8");
        template.process(variables, out);
        out.flush();
    }
}