HTML静态文件生成

package com.nomen.ntrain.base.util;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.Map;

import javax.servlet.ServletContext;

import org.apache.commons.lang.StringUtils;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.views.freemarker.FreemarkerManager;

import com.nomen.ntrain.util.SpringBeanUtils;

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

/**
* 工具类 - HTML静态文件生成 
* ============================================================================
*/

public class HtmlUtil {
private  SpringBeanUtils springBeanUtils;

/**
* 根据ftl模板文件路径、生成HTML文件路径、Map数据生成HTML文件
*
* @param ftlPath
*            ftl模板文件路径
*
* @param htmlPath
*            生成HTML文件路径
*
* @param data
*            Map数据
*
*/
public void build(String ftlPath, String htmlPath, Map<String, Object> data) {
ServletContext servletContext = ServletActionContext.getServletContext();   
FreemarkerManager freemarkerManager = (FreemarkerManager)springBeanUtils.getBean("freemarkerManager");
try {
Configuration freemarkerCfg = freemarkerManager.getConfiguration(servletContext);
Template template = freemarkerCfg.getTemplate(ftlPath);

String htmlDirectory = StringUtils.substringBeforeLast(htmlPath, "/");
String htmlName = StringUtils.substringAfterLast(htmlPath, "/");
File realDirectory = new File(servletContext.getRealPath(htmlDirectory));
if (!realDirectory.exists()) {
realDirectory.mkdirs();
}
File htmlFile = new File(realDirectory + "/" + htmlName);
Writer out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(htmlFile), "GBK"));
//System.out.println(realDirectory);
//ResourceBundle RESOURCE_BUNDLE = ResourceBundle.getBundle("i18n");
//ResourceBundleModel rsbm = new ResourceBundleModel(RESOURCE_BUNDLE, new BeansWrapper());
data.put("bundle", null);
data.put("base", servletContext.getServletContextName());
template.process(data, out);
out.flush();
out.close();
} catch (Exception e) {
e.printStackTrace();
}
}

/**
* 根据File对象、过期时间删除所有过期文件
*
*/
public static void deleteExpirationFile(File file, long expirationTime) {
File[] fileArray = file.listFiles();
for (File f : fileArray) {
if (f.isFile()) {
Long lastModifiedTime = f.lastModified();
if (lastModifiedTime < expirationTime) {
f.delete();
}
} else if (f.isDirectory()) {
deleteExpirationFile(f, expirationTime);
}
}
}

public SpringBeanUtils getSpringBeanUtils() {
return springBeanUtils;
}

public void setSpringBeanUtils(SpringBeanUtils springBeanUtils) {
this.springBeanUtils = springBeanUtils;
}

}