/**
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* Copyright © 2015-2020 <a href="http://www.jeeplus.org/">JeePlus</a> All rights reserved.
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*/
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package com.jeeplus.common.utils;
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import java.io.IOException;
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import java.io.StringReader;
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import java.io.StringWriter;
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import java.util.Map;
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import org.springframework.core.io.DefaultResourceLoader;
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import org.springframework.core.io.Resource;
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import freemarker.template.Configuration;
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import freemarker.template.Template;
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/**
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* FreeMarkers工具类
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* @author jeeplus
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* @version 2013-01-15
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*/
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public class FreeMarkers {
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public static String renderString(String templateString, Map<String, ?> model) {
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try {
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StringWriter result = new StringWriter();
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Template t = new Template("name", new StringReader(templateString), new Configuration());
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t.process(model, result);
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return result.toString();
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} catch (Exception e) {
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throw Exceptions.unchecked(e);
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}
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}
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public static String renderTemplate(Template template, Object model) {
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try {
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StringWriter result = new StringWriter();
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template.process(model, result);
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return result.toString();
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} catch (Exception e) {
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throw Exceptions.unchecked(e);
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}
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}
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public static Configuration buildConfiguration(String directory) throws IOException {
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Configuration cfg = new Configuration();
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Resource path = new DefaultResourceLoader().getResource(directory);
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cfg.setDirectoryForTemplateLoading(path.getFile());
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return cfg;
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}
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public static void main(String[] args) throws IOException {
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// // renderString
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// Map<String, String> model = com.google.common.collect.Maps.newHashMap();
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// model.put("userName", "calvin");
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// String result = FreeMarkers.renderString("hello ${userName}", model);
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// System.out.println(result);
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// // renderTemplate
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// Configuration cfg = FreeMarkers.buildConfiguration("classpath:/");
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// Template template = cfg.getTemplate("testTemplate.ftl");
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// String result2 = FreeMarkers.renderTemplate(template, model);
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// System.out.println(result2);
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// Map<String, String> model = com.google.common.collect.Maps.newHashMap();
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// model.put("userName", "calvin");
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// String result = FreeMarkers.renderString("hello ${userName} ${r'${userName}'}", model);
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// System.out.println(result);
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}
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}
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