Example usage for java.io File listRoots

Introduction

In this page you can find the example usage for java.io File listRoots.

Prototype

public static File[] listRoots() 

Source Link

Document

List the available filesystem roots.

Usage

From source file:su.fmi.photoshareclient.ui.PhotoViewDialog.java

private void SaveImageButtonMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_SaveImageButtonMouseClicked
    JFileChooser fileChooser = new JFileChooser() {
        // A warning for overweiting existing files
        @Override//from  w  w  w. j a  va  2 s  .com
        public void approveSelection() {
            File f = getSelectedFile();
            if (f.exists() && getDialogType() == SAVE_DIALOG) {
                int result = JOptionPane.showConfirmDialog(this, "The file exists, overwrite?", "Existing file",
                        JOptionPane.YES_NO_CANCEL_OPTION);
                switch (result) {
                case JOptionPane.YES_OPTION:
                    super.approveSelection();
                    return;
                case JOptionPane.NO_OPTION:
                    return;
                case JOptionPane.CLOSED_OPTION:
                    return;
                case JOptionPane.CANCEL_OPTION:
                    cancelSelection();
                    return;
                }
            }
            super.approveSelection();
        }
    };
    fileChooser.setDialogTitle("Save image as...");
    File rootVolume = File.listRoots()[0];
    fileChooser.setSelectedFile(new File(rootVolume.getAbsolutePath(), this.imageLabel.getFileName()));

    int userSelection = fileChooser.showSaveDialog(this);

    if (userSelection == JFileChooser.APPROVE_OPTION) {
        try {
            File fileToSave = fileChooser.getSelectedFile();
            BufferedImage bi = (BufferedImage) this.imageLabel.getImage();
            String ext = FilenameUtils.getExtension(fileToSave.getAbsolutePath());
            ImageIO.write(bi, ext, fileToSave);
        } catch (IOException ex) {
            Logger.getLogger(PhotoViewDialog.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
}

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From source file:se.trixon.filebydate.Operation.java

public void start() {
    long startTime = System.currentTimeMillis();

    Date date = new Date(startTime);
    SimpleDateFormat dateFormat = new SimpleDateFormat();
    mListener.onOperationStarted();/*from  w  w  w . ja v  a 2 s  .c  o  m*/
    mListener.onOperationProcessingStarted();
    mListener.onOperationLog(dateFormat.format(date));

    mInterrupted = !generateFileList();
    String status;

    if (!mInterrupted && !mFiles.isEmpty()) {
        mListener.onOperationLog(String.format(mBundle.getString("found_count"), mFiles.size()));
        mListener.onOperationLog("");
        status = Dict.PROCESSING.toString();
        mListener.onOperationLog(status);

        int progress = 0;
        SimpleDateFormat simpleDateFormat = mProfile.getDateFormat();
        for (File sourceFile : mFiles) {
            try {
                try {
                    TimeUnit.MILLISECONDS.sleep(1);
                } catch (InterruptedException ex) {
                    mInterrupted = true;
                    break;
                }

                String fileDate = simpleDateFormat.format(getDate(sourceFile));
                File destDir = new File(mProfile.getDestDir(), fileDate);

                if (destDir.isFile()) {
                    mListener.onOperationLog(String.format(Dict.Dialog.ERROR_DEST_DIR_IS_FILE.toString(),
                            destDir.getAbsolutePath()));
                    break;
                } else if (!destDir.exists() && !mProfile.isDryRun()) {
                    FileUtils.forceMkdir(destDir);
                }

                String destFilename = sourceFile.getName();
                String base = FilenameUtils.getBaseName(destFilename);
                String ext = FilenameUtils.getExtension(destFilename);
                NameCase caseBase = mProfile.getCaseBase();
                NameCase caseExt = mProfile.getCaseExt();

                if (caseBase != NameCase.UNCHANGED || caseExt != NameCase.UNCHANGED) {
                    if (caseBase == NameCase.LOWER) {
                        base = base.toLowerCase();
                    } else if (caseBase == NameCase.UPPER) {
                        base = base.toUpperCase();
                    }

                    if (caseExt == NameCase.LOWER) {
                        ext = ext.toLowerCase();
                    } else if (caseBase == NameCase.UPPER) {
                        ext = ext.toUpperCase();
                    }

                    if (base.length() == 0) {
                        destFilename = String.format(".%s", ext);
                    } else if (ext.length() == 0) {
                        destFilename = base;
                    } else {
                        destFilename = String.format("%s.%s", base, ext);
                    }
                }

                File destFile = new File(destDir, destFilename);
                String log;
                if (destFile.exists() && !mProfile.isReplaceExisting()) {
                    log = String.format(Dict.Dialog.ERROR_DEST_FILE_EXISTS.toString(),
                            destFile.getAbsolutePath());
                } else {
                    Command command = mProfile.getCommand();
                    String cmd = command == Command.COPY ? "cp" : "mv";
                    log = String.format("%s %s  %s", cmd, sourceFile.getAbsolutePath(), destFile.toString());

                    if (destDir.canWrite()) {
                        if (!mProfile.isDryRun()) {
                            if (command == Command.COPY) {
                                FileUtils.copyFile(sourceFile, destFile);
                            } else if (command == Command.MOVE) {
                                if (File.listRoots().length > 1 || destFile.exists()) {
                                    FileUtils.copyFile(sourceFile, destFile);
                                    FileUtils.deleteQuietly(sourceFile);
                                } else {
                                    FileUtils.moveFile(sourceFile, destFile);
                                }
                            }
                        }
                    } else if (!mProfile.isDryRun()) {
                        log = Dict.Dialog.ERROR_DEST_CANT_WRITE.toString();
                    }
                }

                mListener.onOperationLog(getMessage(log));
            } catch (IOException | ImageProcessingException | NullPointerException ex) {
                mListener.onOperationLog(getMessage(ex.getLocalizedMessage()));
            }
            mListener.onOperationProgress(++progress, mFiles.size());
        }
    }

    if (mInterrupted) {
        status = Dict.TASK_ABORTED.toString();
        mListener.onOperationLog("\n" + status);
        mListener.onOperationInterrupted();
    } else {
        mExceptions.stream().forEach((exception) -> {
            mListener.onOperationLog(String.format("#%s", exception.getLocalizedMessage()));
        });
        long millis = System.currentTimeMillis() - startTime;
        long min = TimeUnit.MILLISECONDS.toMinutes(millis);
        long sec = TimeUnit.MILLISECONDS.toSeconds(millis)
                - TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(millis));
        status = String.format("%s (%d %s, %d %s)", Dict.TASK_COMPLETED.toString(), min,
                Dict.TIME_MIN.toString(), sec, Dict.TIME_SEC.toString());
        mListener.onOperationFinished(status, mFiles.size());

        if (!mProfile.isDryRun()) {
            mProfile.setLastRun(System.currentTimeMillis());
            try {
                ProfileManager.getInstance().save();
            } catch (IOException ex) {
                LOGGER.log(Level.SEVERE, null, ex);
            }
        }
    }
}

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From source file:org.rhq.augeas.util.Glob.java

public static String rootPortion(String path) {
    File[] roots = File.listRoots();
    if (roots != null) {
        for (File root : roots) {
            if (path.startsWith(root.getPath())) {
                return root.getPath();
            }/*from   ww w.  j  ava 2 s  . co m*/
        }
    } else {
        log.warn("Could not determine file system roots. This is strange.");
    }

    return "";
}

---

From source file:com.apress.dwrprojects.fileman.FileSystemFunctions.java

/**
 * This method is called to list all the file system roots on the system.
 *
 * @return           A List of DirectoryVO objects, one for each file system
 *                   root on the system.
 * @throws Exception If anything goes wrong.
 *//*from  w  w w  . j  a v a 2  s  .c  om*/
public List listRoots() throws Exception {

    try {
        File[] roots = File.listRoots();
        List<DirectoryVO> results = new ArrayList<DirectoryVO>();
        for (final File f : roots) {
            DirectoryVO dv = new DirectoryVO();
            dv.setName(f.getPath());
            dv.setPath(f.getPath());
            // See if the directory has child directories or not.  Anonymous inner
            // class used to determine whether the directory has children or not.
            String[] childDirectories = f.list(new FilenameFilter() {
                public boolean accept(final File inDir, final String inName) {
                    if (inName != f.getName()) {
                        File f = new File(inDir.getPath() + File.separator + inName);
                        if (f.isDirectory()) {
                            return true;
                        } else {
                            return false;
                        }
                    } else {
                        return false;
                    }
                }
            });
            // Setting whether the directory has children or not is used by the UI
            // code to set up the grid properly in terms of nodes being expandable
            // or not.
            if (childDirectories != null && childDirectories.length > 0) {
                dv.setHasChildren(true);
            }
            results.add(dv);
        }
        return results;
    } catch (Exception e) {
        throw new Exception("Exception occurred: " + e);
    }

}

---

From source file:org.pentaho.vfs.ui.VfsFileChooserDialog.java

public void createCustomUIPanel(final Shell dialog) {
    customUIPanel = new Composite(dialog, SWT.NONE);
    GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, false);
    customUIPanel.setLayoutData(gridData);
    customUIPanel.setLayout(new GridLayout(1, false));

    comboPanel = new Composite(customUIPanel, SWT.NONE);
    comboPanel.setLayoutData(gridData);/*from   w  w  w . j a va 2s .com*/
    comboPanel.setLayout(new GridLayout(2, false));
    comboPanel.setData("donotremove");

    Label lookInLabel = new Label(comboPanel, SWT.NONE);
    lookInLabel.setText(Messages.getString("VfsFileChooserDialog.LookIn"));
    gridData = new GridData(SWT.LEFT, SWT.CENTER, false, false);
    lookInLabel.setLayoutData(gridData);

    customUIPicker = new Combo(comboPanel, SWT.READ_ONLY);
    gridData = new GridData(SWT.LEFT, SWT.CENTER, true, false);
    customUIPicker.setLayoutData(gridData);

    if (!showLocation) {
        comboPanel.setParent(fakeShell);
    }

    if (!showCustomUI) {
        customUIPanel.setParent(fakeShell);
    }

    customUIPicker.addSelectionListener(new SelectionListener() {

        public void widgetSelected(SelectionEvent event) {
            selectCustomUI();
        }

        public void widgetDefaultSelected(SelectionEvent event) {
            selectCustomUI();
        }
    });
    customUIPicker.addKeyListener(new KeyListener() {

        public void keyReleased(KeyEvent arg0) {
            selectCustomUI();
        }

        public void keyPressed(KeyEvent arg0) {
            selectCustomUI();
        }
    });

    boolean createdLocal = false;
    for (CustomVfsUiPanel panel : customUIPanels) {
        if (panel.getVfsScheme().equals("file")) {
            createdLocal = true;
        }
    }

    if (!createdLocal) {
        CustomVfsUiPanel localPanel = new CustomVfsUiPanel("file", "Local", this, SWT.None) {
            public void activate() {
                try {
                    File startFile = new File(System.getProperty("user.home"));
                    if (startFile == null || !startFile.exists()) {
                        startFile = File.listRoots()[0];
                    }
                    FileObject dot = fsm.resolveFile(startFile.toURI().toURL().toExternalForm());
                    rootFile = dot.getFileSystem().getRoot();
                    selectedFile = rootFile;
                    setInitialFile(selectedFile);
                    openFileCombo.setText(selectedFile.getName().getURI());
                    resolveVfsBrowser();
                } catch (Throwable t) {
                }
            }
        };
        addVFSUIPanel(localPanel);
    }
}

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From source file:edu.harvard.i2b2.adminTool.dataModel.PatientIDConversionFactory.java

private String getNoteKeyDrive() {
    File[] drives = File.listRoots();
    String filename = "i2b2patientidkey.txt";
    for (int i = drives.length - 1; i >= 0; i--) {
        if (drives[i].getPath().startsWith("A") || drives[i].getPath().startsWith("B")) {
            continue;
        }/*  w w w .j a v  a  2s  .  c om*/

        File tmp = new File(drives[i]/* +File.separator */ + filename);
        if (tmp.exists()) {
            return drives[i]/* +File.separator */ + filename;
        }
        // else {
        // return null;
        // }
    }

    File testFile = new File("i2b2patientidkey.txt");
    System.out.println("file dir: " + testFile.getAbsolutePath());
    if (testFile.exists()) {
        return testFile.getAbsolutePath();
    }

    return null;
}

---

From source file:CheckFileTree.java

/**
 * Gets the root element(s) of the tree//ww w .  ja v  a2s .  c om
 * 
 * @param arg0
 *            the input data
 * @return Object[]
 */
public Object[] getElements(Object arg0) {
    // These are the root elements of the tree
    // We don't care what arg0 is, because we just want all
    // the root nodes in the file system
    return File.listRoots();
}

---

From source file:tajo.master.MockupWorker.java

@Override
public ServerStatusProto getServerStatus(PrimitiveProtos.NullProto request) {
    // serverStatus builder
    ServerStatusProto.Builder serverStatus = ServerStatusProto.newBuilder();
    // TODO: compute the available number of task slots
    serverStatus.setAvailableTaskSlotNum(taskQueue.size());

    // system(CPU, memory) status builder
    ServerStatusProto.System.Builder systemStatus = ServerStatusProto.System.newBuilder();

    systemStatus.setAvailableProcessors(Runtime.getRuntime().availableProcessors());
    systemStatus.setFreeMemory(Runtime.getRuntime().freeMemory());
    systemStatus.setMaxMemory(Runtime.getRuntime().maxMemory());
    systemStatus.setTotalMemory(Runtime.getRuntime().totalMemory());

    serverStatus.setSystem(systemStatus);

    // disk status builder
    File[] roots = File.listRoots();
    for (File root : roots) {
        ServerStatusProto.Disk.Builder diskStatus = ServerStatusProto.Disk.newBuilder();

        diskStatus.setAbsolutePath(root.getAbsolutePath());
        diskStatus.setTotalSpace(root.getTotalSpace());
        diskStatus.setFreeSpace(root.getFreeSpace());
        diskStatus.setUsableSpace(root.getUsableSpace());

        serverStatus.addDisk(diskStatus);
    }//www .j a v  a 2s  . c  om
    return serverStatus.build();
}

---

From source file:net.pms.dlna.RootFolder.java

private List<RealFile> getConfiguredFolders() {
    List<RealFile> res = new ArrayList<RealFile>();
    File[] files = PMS.get().getFoldersConf();

    if (files == null || files.length == 0) {
        files = File.listRoots();
    }//from  w  w w.  j a v a 2 s  .  c  o m

    for (File f : files) {
        res.add(new RealFile(f));
    }

    return res;
}

---

From source file:com.googlecode.vfsjfilechooser2.filechooser.AbstractVFSFileSystemView.java

/**
 * Returns all root partitions on this system. For example, on
 * Windows, this would be the "Desktop" folder, while on DOS this
 * would be the A: through Z: drives.//from   w ww.j av  a 2  s  .c  om
 * @param fo
 * @return
 */
public FileObject[] getRoots(FileObject fo) {
    if (fo instanceof DecoratedFileObject) {
        fo = ((DecoratedFileObject) fo).getDecoratedFileObject();
    }

    if (fo instanceof LocalFile) {
        File[] roots = File.listRoots();
        final int count = roots.length;
        localRoots = new FileObject[roots.length];

        for (int i = 0; i < count; i++) {
            localRoots[i] = VFSUtils.toFileObject(roots[i]);
        }

        return localRoots.clone();
    }

    // Don't cache this array, because filesystem might change
    else {
        FileObject p = VFSUtils.getRootFileSystem(fo);

        return new FileObject[] { p };
    }
}

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