public class SortUtil
{
/**
* insertionSort;
* @param data, array[];
* @param first, 0;
* @param last, array.length - 1;
*/
public static void insertionSort(Comparable[] data, int first, int last)
{
for(int i = first + 1; i <= last; i++)
{
Comparable temp = data[i];
int j = i - 1;
for(; j >= first && data[j].compareTo(temp) > 0; j--)
{
data[j + 1] = data[j];
}
data[j + 1] = temp;
}
}
/**
* getMaxCompare;
* @param data, array[];
* @return Max Value;
*/
public static Comparable getMaxCompare(Comparable[] data)
{
insertionSort(data, 0, data.length - 1);
return data[data.length - 1];
}
public static void main(String[] args)
{
Comparable[] data = {3,2};//,4,12,43,654,12,242,124,151,87,1,7,1,3,2,9,3,6,2,7,8};
insertionSort(data, 0 , data.length - 1);
for(int i = 0; i < data.length; i++)
{
System.out.print(data[i] +",");
}
System.out.println();
System.out.print(getMaxCompare(data));
}
}
public class FileEntity implements Comparable
{
/**
* 5.01.01.T05$12.11.20T28,12.11.20T28$12.11.20T45
*/
public static final String FileSeparatorTag = "T";
public String filename = "5.01.01.T05$12.11.20"+FileSeparatorTag+"28";
@Override
public int compareTo(Object obj)
{
String nextFileName = ((FileEntity) obj).filename;
return Integer.parseInt(this.filename.substring(this.filename.lastIndexOf(FileSeparatorTag) + 1)) - Integer.parseInt(nextFileName.substring(nextFileName.lastIndexOf(FileSeparatorTag) + 1));
}
public static void main(String[] args)
{
String tmp = "5.01.01.T05$12.11.20"+FileSeparatorTag+"28";;
String tmps = tmp.substring(tmp.lastIndexOf(FileSeparatorTag) + 1);
System.out.println("" + tmps);
}
}
public class FileClient
{
/**
* eg.dirs: 5.01.01.T05$12.11.20T28,12.11.20T28$12.11.20T45 getDirList
*
* @param filepath ,directory ;
* @return ,list directories;
*/
public static FileEntity[] getListDirs(String filepath)
{
List tmpList = new ArrayList();
File dir = new File(filepath);
File[] files = dir.listFiles();
for(int i = 0; i < files.length; i++)
{
String strFile = files[i].getAbsolutePath().substring(files[i].getAbsolutePath().lastIndexOf(File.separator) + 1);
System.out.println(strFile.indexOf("$") + "," + strFile);
if(files[i].isDirectory() && strFile.indexOf("$") > 0 && strFile.lastIndexOf("$") < strFile.length() - 1
&& strFile.lastIndexOf(FileEntity.FileSeparatorTag) < strFile.length() - 1)
{
FileEntity entity = new FileEntity();
entity.filename = files[i].getAbsolutePath();
tmpList.add(entity);
}
}
if(tmpList.size() > 0)
{
FileEntity[] dirs = new FileEntity[tmpList.size()];
for(int i = 0; i < tmpList.size(); i++)
{
dirs[i] = (FileEntity)tmpList.get(i);
}
return dirs;
}
else
{
FileEntity entity = new FileEntity();
entity.filename = filepath;
return new FileEntity[]{entity};
}
}
/**
* getMaxDirAbsolutePath
*
* @param filepath , input dir, directory;
* @return , maxDirAbsolutePath;
*/
public static String getMaxDirAbsolutePath(String filepath)
{
FileEntity[] dirs = getListDirs(filepath);
for(int i = 0; i < dirs.length; i++)
{
System.out.println("dirs:" + dirs[i].filename);
}
SortUtil.insertionSort(dirs, 0, dirs.length - 1);
for(int i = 0; i < dirs.length; i++)
{
System.out.println("insertionSort:" + dirs[i].filename);
}
FileEntity maxFileEntity = (FileEntity)SortUtil.getMaxCompare(dirs);
String theMaxDir = maxFileEntity.filename;
System.out.println("theMaxDir:" + theMaxDir);
return theMaxDir;
}
/**
* writeProperties
*
* @param propFileName , properties file path;
* @param key , key;
* @param value , value;
*/
public static void writeProperties(String propFileName, String key, String value)
{
File propFile = new File(propFileName);
try
{
propFile.createNewFile();
Properties prop = new Properties();
// InputStream fis = new FileInputStream(propFileName);
// // 从输入流中读取属性列表（键和元素对）
// prop.load(fis);
// 调用 Hashtable 的方法 put。使用 getProperty 方法提供并行性。
// 强制要求为属性的键和值使用字符串。返回值是 Hashtable 调用 put 的结果。
OutputStream fos = new FileOutputStream(propFileName);
prop.put(key, value);// .setProperty(key, value);
// 以适合使用 load 方法加载到 Properties表中的格式，
// 将此 Properties 表中的属性列表（键和元素对）写入输出流
prop.store(fos, "Update '" + key + "' -->" + value);
}
catch(Exception e)
{
e.printStackTrace();
}
}
/**
* test_readProperties
*
* @param propFileName
* @param key
* @param defaultValue
* @return
*/
public static String test_readProperties(String propFileName, String key, String defaultValue)
{
String value = defaultValue;
try
{
InputStream fis = new FileInputStream(propFileName);
Properties prop = new Properties();
prop.load(fis);
value = prop.getProperty(key, defaultValue);
}
catch(Exception e)
{
e.printStackTrace();
}
System.out.println("value:" + value);
return value;
}
/**
* eg.dirs: 5.01.01.T05$12.11.20T28,12.11.20T28$12.11.20T45
*
* @param args
*/
public static void main(String[] args)
{
String srcDirPath = "C:/scripts/";
String destPropPath = "./";
if(args.length == 2)
{
srcDirPath = args[0];
destPropPath = args[1];
}
destPropPath = destPropPath + "theMaxDir" + ".properties";
String theMaxDir = getMaxDirAbsolutePath(srcDirPath).replaceAll("\\\\", "\\/");
System.out.println("theMaxDir:" + theMaxDir);
System.out.println("user.dir=" + System.getProperty("user.dir"));
writeProperties(destPropPath, "theMaxDir", theMaxDir);
test_readProperties(destPropPath, "theMaxDir", srcDirPath);
}
}
