com.akana.demo.freemarker.templatetester.TestJSON.java Source code

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Here is the source code for com.akana.demo.freemarker.templatetester.TestJSON.java

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/*
 * Copyright Copyright 2015 Akana, Inc.
 * 
 * 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 com.akana.demo.freemarker.templatetester;

import freemarker.template.*;

import java.util.*;
import java.io.*;
import java.nio.charset.StandardCharsets;

import org.apache.commons.io.FileUtils;

public class TestJSON {

    public static void main(String[] args) throws Exception {

        /* You should do this ONLY ONCE in the whole application life-cycle: */

        /* Create and adjust the configuration singleton */
        Configuration cfg = new Configuration(Configuration.VERSION_2_3_22);
        cfg.setDirectoryForTemplateLoading(new File("/Users/ian.goldsmith/projects/freemarker"));
        cfg.setDefaultEncoding("UTF-8");
        cfg.setTemplateExceptionHandler(TemplateExceptionHandler.RETHROW_HANDLER);

        /*
         * You usually do these for MULTIPLE TIMES in the application
         * life-cycle:
         */

        /* Create a data-model */
        Map message = new HashMap();
        message.put("contentAsString", FileUtils.readFileToString(
                new File("/Users/ian.goldsmith/projects/freemarker/test.json"), StandardCharsets.UTF_8));

        Map root = new HashMap();
        root.put("message", message);

        /* Get the template (uses cache internally) */
        Template temp = cfg.getTemplate("testjson.ftl");

        /* Merge data-model with template */
        Writer out = new OutputStreamWriter(System.out);
        temp.process(root, out);
        // Note: Depending on what `out` is, you may need to call `out.close()`.
        // This is usually the case for file output, but not for servlet output.
    }
}