/* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* <p/>
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.rzo.yajsw.os.ms.win.w32;
import java.io.File;
import java.io.FileFilter;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.logging.Logger;
import org.apache.commons.io.filefilter.WildcardFileFilter;
import com.sun.jna.platform.win32.Kernel32;
import com.sun.jna.platform.win32.Kernel32Util;
import com.sun.jna.platform.win32.WinNT;
// TODO: Auto-generated Javadoc
/**
* The Class FileUtils.
*/
public class FileUtils
{
static Logger log = Logger.getLogger(FileUtils.class.getName());
public static long created(File file)
{
throw new UnsupportedOperationException("Sorry, not implemented in this verson");
// long result = -1;
// SYSTEMTIME sysTime = new SYSTEMTIME();
// sysTime.size();
// Pointer hFile =
// MyKernel32.INSTANCE.CreateFile(file.getAbsolutePath(),
// MyKernel32..GENERIC_READ, 0, null, MyKernel32.OPEN_EXISTING, 0,
// null);
// if (hFile != null)
// {
// LongByReference created = new LongByReference();
// if (MyKernel32.INSTANCE.GetFileTime(hFile, created, null, null))
// {
// // if (MyKernel32.INSTANCE.FileTimeToSystemTime(created, sysTime))
// // {
// // Calendar c = Calendar.getInstance();
// // c.setTimeZone(TimeZone.getTimeZone("UTC"));
// // c.set(sysTime.wYear, sysTime.wMonth-1, sysTime.wDay,
// sysTime.wHour, sysTime.wMinute, sysTime.wSecond);
// // result = c.getTimeInMillis();
// // System.out.println(created.getValue() + " "+ result);
// // }
// // found in /org/apache/poi/hpsf/Util.java
// final long ms_since_16010101 = created.getValue() / (1000 * 10);
// final long ms_since_19700101 = ms_since_16010101 - EPOCH_DIFF;
// result = ms_since_19700101;
// }
//
// MyKernel32.INSTANCE.CloseHandle(hFile);
//
// }
//
//
// return result;
}
public static long freeSpace(File file)
{
if (!file.isDirectory() || !file.exists())
return -2;
WinNT.LARGE_INTEGER.ByReference lpTotalNumberOfFreeBytes = new WinNT.LARGE_INTEGER.ByReference();
lpTotalNumberOfFreeBytes.clear();
boolean ret = Kernel32.INSTANCE.GetDiskFreeSpaceEx(file.getPath(), null, null, lpTotalNumberOfFreeBytes);
if (ret)
return lpTotalNumberOfFreeBytes.getValue();
else
{
String s = Kernel32Util.formatMessageFromLastErrorCode(Kernel32.INSTANCE.GetLastError());
log.severe("error in File.freeSpace getting for \"" + file.getPath() + "\" " + s);
}
return -1;
}
public static long totalSpace(File file)
{
if (!file.isDirectory() || !file.exists())
return -2;
WinNT.LARGE_INTEGER.ByReference lpTotalNumberOfBytes = new WinNT.LARGE_INTEGER.ByReference();
lpTotalNumberOfBytes.clear();
boolean ret = Kernel32.INSTANCE.GetDiskFreeSpaceEx(file.getPath(), null, lpTotalNumberOfBytes, null);
if (ret)
return lpTotalNumberOfBytes.getValue();
else
{
String s = Kernel32Util.formatMessageFromLastErrorCode(Kernel32.INSTANCE.GetLastError());
log.severe("error in File.totalSpace getting for \"" + file.getPath() + "\" " + s);
}
return -1;
}
/**
* Gets the files.
*
* @param workingDir
* the working dir
* @param pattern
* the pattern
*
* @return the files
*/
public static Collection getFiles(String workingDir, String pattern)
{
ArrayList result = new ArrayList();
// check if we have a non patterned file name
// check if we have an absolute file
File res = new File(pattern);
if (res.exists() && res.isAbsolute())
{
result.add(res);
return result;
}
// check if we have a file relative working dir
if (!res.isAbsolute())
{
res = new File(workingDir, pattern);
if (res.exists())
{
result.add(res);
return result;
}
}
// so this must be a pattern try to figure out the files
String[] s = pattern.split("[" + File.separator + "|/]");
String[] sh;
if (s.length == 1)
{
sh = new String[2];
sh[0] = ".";
sh[1] = s[0];
}
else
sh = s;
if (pattern.startsWith("/") && "".equals(sh[0]))
sh[0] = "/";
Collection paths = new HashSet();
paths.add(sh[0]);
for (int i = 1; i < sh.length; i++)
{
String file = sh[i];
Collection newPaths = new HashSet();
for (Iterator it = paths.iterator(); it.hasNext();)
{
String pathStr = (String) it.next();
if (pathStr.endsWith(":"))
pathStr += "/";
File path = new File(pathStr);
if (!path.isDirectory() || !path.exists() || !path.isAbsolute())
path = new File(workingDir, pathStr);
Collection files = getWildcardFiles(path.getAbsolutePath(), file);
for (Iterator it2 = files.iterator(); it2.hasNext();)
{
File f = (File) it2.next();
if (f.isDirectory())
newPaths.add(f.getPath());
else if (f.isFile())
result.add(f);
}
}
paths = newPaths;
}
/*
* String file = s[s.length-1]; String path = pattern.substring(0,
* pattern.lastIndexOf(file));
*
* if (path == null || path.equals("")) path = "."; File fPath = null;
* try { fPath = new File(path); if (!fPath.isDirectory()) {
* log.warning("classpath directory "+fPath.getCanonicalPath()+" not
* found"); return result; } } catch (Exception ex) {
* log.warning("classpath directory "+path+" error" + ex.getMessage());
* return result; } FileFilter fileFilter = new
* WildcardFileFilter(file); File[] thisFiles =
* fPath.listFiles(fileFilter); for (int i=0; i< thisFiles.length; i++)
* { File f = thisFiles[i]; if (f.exists()) result.add(f); else
* log.warning("classpath file "+f.getName() +"not found"); }
*/
if (result.size() == 0)
log.warning("No files found for " + pattern);
return result;
}
/**
* Gets the wildcard files.
*
* @param path
* the path
* @param file
* the file
*
* @return the wildcard files
*/
private static Collection getWildcardFiles(String path, String file)
{
ArrayList result = new ArrayList();
File fPath = new File(path);
try
{
if (!fPath.isDirectory())
{
log.warning("classpath directory " + fPath.getCanonicalPath() + " not found");
return result;
}
}
catch (Exception ex)
{
log.warning("classpath directory " + path + " error" + ex.getMessage());
return result;
}
FileFilter fileFilter = new WildcardFileFilter(file);
File[] thisFiles = fPath.listFiles(fileFilter);
for (int i = 0; i < thisFiles.length; i++)
{
File f = thisFiles[i];
if (f.exists())
result.add(f);
else
log.warning("classpath file " + f.getName() + "not found");
}
return result;
}
/**
* The main method.
*
* @param args
* the arguments
*/
public static void main(String[] args)
{
System.out.println(FileUtils.freeSpace(new File("C:\\")));
System.out.println(FileUtils.totalSpace(new File("C:\\")));
for (Iterator it = getFiles(".", "lib/*/*/*jar").iterator(); it.hasNext();)
System.out.println(it.next());
}
}