package com.mooc.freemarkerXML;

import java.io.IOException;

import java.io.StringWriter;

import java.util.HashMap;

import java.util.Map;

import freemarker.template.Configuration;

import freemarker.template.Template;

import freemarker.template.TemplateException;

public class XMLTest {

    public static Template getTemplate(String name){

        Configuration cfg = new Configuration();

        cfg.setClassForTemplateLoading(XMLTest.class, "/resources/");

        Template template = null;

        try {

            template = cfg.getTemplate(name);

        } catch (IOException e) {

            e.printStackTrace();

        }

        return template;

    }

    public static String process(String templatefile, Map<String, Object> param) throws IOException, TemplateException,

     Exception{

         Template template = XMLTest.getTemplate(templatefile);

         StringWriter sw = new StringWriter();

         template.process(param, sw);

         return sw.toString();

    }

    public static void main(String[] args) {

        Map<String, Object> responseMap = new HashMap<String, Object>();

        responseMap.put("id", "1");

        responseMap.put("name", "红楼梦");

        responseMap.put("author", "曹雪芹");

        responseMap.put("year", "1862");

        responseMap.put("price", "98");

        String resp = null;

        try {

            resp = XMLTest.process("book.ftl", responseMap);

        } catch (Exception e) {

            e.printStackTrace();

        }

        System.out.println(resp);

    }

}

<?xml version="1.0" encoding="UTF-8"?>

<bookstore>

    <book id="${id}">

        <name>${name}</name>

        <author>${author}</author>

        <year>${year}</year>

        <price>${price}</price>

        <address><#if address??>${address}</#if></address>

    </book>

</bookstore>