/*This file is part of JHttpServer.This package is free software; you can redistribute it and/or modifyit under the terms of the GNU General Public License as published bythe Free Software Foundation; either version 2 of the License, or(at your option) any later version.JHttpServer is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See theGNU General Public License for more details.You should have received a copy of the GNU General Public Licensealong with JHttpServer; if not, write to the Free SoftwareFoundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA*/// Title :        CachedFile.java// Version :      0.92// Copyright :    Copyright (c) 2001// Author :       Florent CUETO (fcueto@wanadoo.fr)// Description :  A file in memory (cached)package jhttpserver;import java.io.*;public class CachedFile{  private byte[] fileContent;  private String fileName;  private long modificationDate;  public CachedFile()  {    super();    fileName = null;    fileContent = null;    modificationDate = 0;  }  public void preloadFile(String fileName) throws IOException  {    if (fileContent != null) return;    this.fileName = fileName;    File f = new File(fileName);    this.modificationDate = f.lastModified();    FileInputStream fis = new FileInputStream(f);    BufferedInputStream bis = new BufferedInputStream(fis);    ByteArrayOutputStream baos = new ByteArrayOutputStream();    byte[] buffer = new byte[65536];    boolean cont = true;    while(cont)    {      int read = bis.read(buffer, 0, 65536);      if (read == -1) cont = false;      else      {        baos.write(buffer, 0, read);      }    }    baos.close();    bis.close();    fileContent = baos.toByteArray();  }  public void flushFileCache() throws IOException  {    fileContent = null;    preloadFile(fileName);  }  public byte[] getFileContent()  {    return(fileContent);  }  public long getModificationDate()  {    return modificationDate;  }}