由于特殊目的，我想列出 SDCARD 目录中的所有目录，但具有特定名称的目录除外。
假设我在父母 one mom中有四个目录dir1, dir2, dir3, dir4。现在我只想列出dir1、dir2和dir4，而不是dir3，所以在列表中，有：
- 目录1
- 目录2
- 目录4
我怎样才能以编程方式做到这一点？请在下面查看我的代码。非常感谢你。
public class DatabaseFileList {
static final private String FILELIST_TAG = "[DatabaseFileList]";
public ArrayList<DatabaseFile> items;
public DatabaseFileList(String dbPath, String dbExtension)
{
items = new ArrayList<DatabaseFile>();
getDatabaseFileList(dbPath,dbExtension);
}
private void getDatabaseFileList(String dbPath, String dbExtension)
{
items.clear();
File dataDirectory = new File(dbPath);
if (!dataDirectory.exists()) //Data directory doesn't exist, create it
{
if (!dataDirectory.mkdirs())
{
Log.i(FILELIST_TAG, "Cannot create directory on sdcard");
}
else
{
Log.i(FILELIST_TAG, "Data directory was created on sdcard");
}
}
File dataDirectoryAV = new File(dbPath + "dir1");
if (!dataDirectoryAV.exists()) //Data directory doesn't exist, create it
{
if (!dataDirectoryAV.mkdirs())
{
Log.i(FILELIST_TAG, "Cannot create dir1 on sdcard");
}
else
{
Log.i(FILELIST_TAG, "dir1 was created on sdcard");
}
}
File dataDirectoryVA = new File(dbPath + "dir2");
if (!dataDirectoryVA.exists()) //Data directory doesn't exist, create it
{
if (!dataDirectoryVA.mkdirs())
{
Log.i(FILELIST_TAG, "Cannot create dir2 on sdcard");
}
else
{
Log.i(FILELIST_TAG, "dir2 was created on sdcard");
}
}
File dataDirectoryVAkd = new File(dbPath + "dir3");
if (!dataDirectoryVAkd.exists()) //Data directory doesn't exist, create it
{
if (!dataDirectoryVAkd.mkdirs())
{
Log.i(FILELIST_TAG, "Cannot create dir3 on sdcard");
}
else
{
Log.i(FILELIST_TAG, "dir3 was created on sdcard");
}
}
File dataDirectoryVAkd = new File(dbPath + "dir4");
if (!dataDirectoryVAkd.exists()) //Data directory doesn't exist, create it
{
if (!dataDirectoryVAkd.mkdirs())
{
Log.i(FILELIST_TAG, "Cannot create dir4 on sdcard");
}
else
{
Log.i(FILELIST_TAG, "dir4 was created on sdcard");
}
}
FileFilter ffDir = new FileFilter()
{
public boolean accept(File f)
{
return f.isDirectory();
}
};
File[] lstDirectory = dataDirectory.listFiles(ffDir);
if (lstDirectory != null && lstDirectory.length > 0)
{
for (File currentDirectory : lstDirectory)
{
DatabaseFile db = new DatabaseFile();
String path = currentDirectory.getAbsolutePath() + "/" + currentDirectory.getName();
//Log.i(FILELIST_TAG,"Filelist path = " + path);
db.fileName = currentDirectory.getName();
db.path = currentDirectory.getPath();
File ifoFile = new File(path + ".ifo");
if (ifoFile.exists())
{
String data;
String arrData[] = null;
try
{
BufferedReader brIfoFile = new BufferedReader(new FileReader(ifoFile));
while (brIfoFile.ready())
{
data = brIfoFile.readLine();
arrData = data.split("=");
arrData[0] = arrData[0].trim();
if (arrData[0].equals("name"))
{
db.dictionaryName = arrData[1].trim();
}
else if (arrData[0].equals("from"))
{
db.sourceLanguage = arrData[1].trim();
//Log.i(FILELIST_TAG, "from = " + arrData[1]);
}
else if (arrData[0].equals("to"))
{
db.destinationLanguage= arrData[1].trim();
//Log.i(FILELIST_TAG, "to = " + arrData[1]);
}
else if (arrData[0].equals("style"))
{
db.style= arrData[1].trim();
//Log.i(FILELIST_TAG, "style = " + arrData[1]);
}
}
}
catch (Exception ex){
db.dictionaryName = db.fileName + " File not read!";
Log.e(FILELIST_TAG, "Can not read ifo file!");
}
}
else
{
db.dictionaryName = db.fileName + " - No DB in sdcard/mom/";
Log.i(FILELIST_TAG, "No ifo file found, set db name to file name");
}
//add to list
items.add(db);
}
Log.i(FILELIST_TAG,"Found " + items.size() + " dictionaries");
}
else
{
Log.i(FILELIST_TAG,"Do not find any valid db");
}
}
}