Examples of org.sd_network.vfs.db.VfsFile

org.sd_network.vfs.db.VfsFile
A class represent a VfsFile.
$Id$ @author Masatoshi Sato

            printUsage(e.getMessage());
            return;
        }


        String dirName = commandLine.getArgs()[0];
        VfsFile parent = session.getCurrentDirectory();


        try {
            VfsFile targetFile = null;
            if (dirName.equals("..")) {
                if (parent.getParentID().equals("-1"))
                    return;
                targetFile = vfsService.getVfsFile(
                        sessionID, parent.getParentID());
            } else {
                targetFile = vfsService.getVfsFile(
                        sessionID, parent.getID(), dirName);
            }
            if (targetFile == null) {
                System.out.println(
                        "ERROR: [" + dirName + "] not found.");
                return;
            }
            if (targetFile.getType() != VfsFile.FileType.DIRECTORY) {
                System.out.println(
                        "ERROR: [" + dirName + "] is not directory.");
                return;
            }
            session.setCurrentDirectory(targetFile);

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        try {
            VfsService vfsService = VfsContext.getService();
            session.setSessionID(vfsService.login(loginName, password));
            String sessionID = session.getSessionID();
            VfsFile home = vfsService.getVfsFile(sessionID, "-1", "Home");
            if (home == null)
                throw new IllegalStateException(
                        "User home directory not found.");
            session.setCurrentDirectory(home);
            System.out.println("SessionID = " + session.getSessionID());

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        } catch (ParseException e) {
            printUsage(e.getMessage());
            return;
        }


        VfsFile curDir = session.getCurrentDirectory();


        try {
            VfsFile parent = curDir;
            LinkedList<VfsFile> pathList = new LinkedList<VfsFile>();
            while (!parent.getParentID().equals("-1")) {
                pathList.addFirst(parent);
                String parentID = parent.getParentID();
                parent = vfsService.getVfsFile(sessionID, parentID);
                if (parent == null)
                    throw new IllegalStateException(
                            "ERROR: parent directory not found.");
            }

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        String dirName = commandLine.getArgs()[0];
        String parentFileID = session.getCurrentDirectory().getID();


        try {
            VfsFile targetFile =
                vfsService.getVfsFile(sessionID, parentFileID, dirName);
            if (targetFile == null) {
                System.out.println("ERROR: [" + dirName + "] not found.");
                return;
            }
            if (targetFile.getType() != VfsFile.FileType.DIRECTORY) {
                System.out.println(
                        "ERROR: [" + dirName + "] is not directory.");
                return;
            }
            vfsService.deleteObject(sessionID, targetFile.getID());
        } catch (VfsIOException e) {
            System.out.println("ERROR: " + e.getMessage());
        } catch (SessionException e) {
            session.clearSessionID();
            System.out.println("ERROR: Session time out.");

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        SystemInfo systemInfo = vfsService.getSystemInfo();
        String parentFileID = session.getCurrentDirectory().getID();
        String fileSessionID = null;
        try {
            VfsFile vfsFile = vfsService.createFile(
                    sessionID, parentFileID, cl.getArgs()[1]);


            if (vfsService.isExistsName(
                        sessionID, vfsFile.getID(), cl.getArgs()[1]))
            {
                System.out.println("ERROR: the vfs_file_name already used.");
                return;
            }


            fileSessionID = vfsService.createFileSession(
                    sessionID, vfsFile.getID(), FileSession.Mode.WRITE);


            byte[] buf = new byte[systemInfo.getBytesPerWrite()];
            FileInputStream fis = null;
            try {
                fis = new FileInputStream(file);

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        if (userSession == null)
            throw new SessionException("Invalid session.");
        User user = userSession.getUser();


        // retrive target.
        VfsFile target = VfsFileDB.get(targetFileID, user.getID());
        if (target == null)
            return null;


        // retrive parent.
        return VfsFileDB.get(target.getParentID(), user.getID());
    }

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        if (session == null)
            throw new SessionException("Invalid session.");
        User user = session.getUser();


        // check whether file exists.
        VfsFile target = VfsFileDB.get(fileID, user.getID());
        if (target == null)
            throw new VfsIOException("The object not found.");


        // check whether target file has child.
        List<VfsFile> childList =
            VfsFileDB.getChildList(target.getID(), user.getID());
        if (childList.size() > 0)
            throw new VfsIOException("The object has child object.");


        // delete sectors related to specified fileID.
        try {

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        // check already exists.
        if (VfsFileDB.get(parentFileID, name, user.getID()) != null)
            throw new VfsIOException("The name is already used.");


        // retrive parent file.
        VfsFile parent = VfsFileDB.get(parentFileID, user.getID());
        if (parent == null)
            throw new VfsIOException("The parent not found.");


        // check child count.
        int childCount = VfsFileDB.countChild(parent.getID(), user.getID());
        if (childCount >= systemInfo.getChildObjectsPerParent())
            throw new VfsIOException("Could not create object any more.");


        return VfsFileDB.createDirectory(name, parent.getID(), user.getID());
    }

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        if (userSession == null)
            throw new SessionException("Invalid session.");
        User user = userSession.getUser();


        // retrive parent object.
        VfsFile parent = VfsFileDB.get(parentFileID, user.getID());
        if (parent == null)
            throw new VfsIOException("The parent not found.");


        // check already exists same name.
        if (VfsFileDB.get(parent.getID(), name, user.getID()) != null)
            throw new VfsIOException("The name is already used.");


        // check number of child object.
        int childCount = VfsFileDB.countChild(parent.getID(), user.getID());
        if (childCount >= systemInfo.getChildObjectsPerParent())
            throw new VfsIOException("Could not create object any more.");


        // create object as a file.
        return VfsFileDB.createFile(name, parent.getID(), 0, user.getID());
    }

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        if (userSession == null)
            throw new SessionException("Invalid session.");
        User user = userSession.getUser();


        // check exists of the file.
        VfsFile targetFile = VfsFileDB.get(fileID, user.getID());
        if (targetFile == null)
            throw new VfsIOException("Invalid fileID.");


        return userSession.newFileSession(targetFile, mode);
    }

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