Example usage for org.apache.commons.vfs2 Capability WRITE_CONTENT

Introduction

In this page you can find the example usage for org.apache.commons.vfs2 Capability WRITE_CONTENT.

Prototype

Capability WRITE_CONTENT

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Document

File content can be written.

Usage

From source file:org.fuin.vfs2.filter.CanWriteFileFilter.java

/**
 * Checks to see if the file can be written to.
 * /* w  w  w .  ja  v a2 s. co m*/
 * @param fileInfo
 *            the File to check
 * 
 * @return {@code true} if the file can be written to, otherwise
 *         {@code false}.
 */
@Override
public boolean accept(final FileSelectInfo fileInfo) {
    try {
        final FileSystem fileSystem = fileInfo.getFile().getFileSystem();
        if (fileInfo.getFile().exists()) {
            if (!fileSystem.hasCapability(Capability.WRITE_CONTENT)) {
                return false;
            }
            return fileInfo.getFile().isWriteable();
        } else {
            if (!fileSystem.hasCapability(Capability.CREATE)) {
                return false;
            }
            return fileInfo.getFile().getParent().isWriteable();
        }
    } catch (final FileSystemException ex) {
        throw new RuntimeException(ex);
    }
}

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

public FileObject open(Shell applicationShell, String[] schemeRestrictions, String initialScheme,
        boolean showFileScheme, String fileName, String[] fileFilters, String[] fileFilterNames,
        boolean returnUserAuthenticatedFile, int fileDialogMode, boolean showLocation, boolean showCustomUI) {

    this.fileDialogMode = fileDialogMode;
    this.fileFilters = fileFilters;
    this.fileFilterNames = fileFilterNames;
    this.applicationShell = applicationShell;
    this.showFileScheme = showFileScheme;
    this.initialScheme = initialScheme;
    this.schemeRestrictions = schemeRestrictions;
    this.showLocation = showLocation;
    this.showCustomUI = showCustomUI;

    FileObject tmpInitialFile = initialFile;

    if (defaultInitialFile != null && rootFile == null) {
        try {// w  ww. j a v  a 2s  . c o m
            rootFile = defaultInitialFile.getFileSystem().getRoot();
            initialFile = defaultInitialFile;
        } catch (FileSystemException ignored) {
            // well we tried
        }
    }

    createDialog(applicationShell);

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

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

    // create our file chooser tool bar, contains parent folder combo and various controls
    createToolbarPanel(dialog);
    // create our vfs browser component
    createVfsBrowser(dialog);
    populateCustomUIPanel(dialog);
    if (fileDialogMode == VFS_DIALOG_SAVEAS) {
        createFileNamePanel(dialog, fileName);
    } else {
        // create file filter panel
        createFileFilterPanel(dialog);
    }
    // create our ok/cancel buttons
    createButtonPanel(dialog);

    initialFile = tmpInitialFile;
    // set the initial file selection
    try {
        if (initialFile != null || rootFile != null) {
            vfsBrowser.selectTreeItemByFileObject(initialFile != null ? initialFile : rootFile, true);
            updateParentFileCombo(initialFile != null ? initialFile : rootFile);
            setSelectedFile(initialFile != null ? initialFile : rootFile);
            openFileCombo.setText(
                    initialFile != null ? initialFile.getName().getURI() : rootFile.getName().getURI());
        }
    } catch (FileSystemException e) {
        MessageBox box = new MessageBox(dialog.getShell());
        box.setText(Messages.getString("VfsFileChooserDialog.error")); //$NON-NLS-1$
        box.setMessage(e.getMessage());
        box.open();
    }

    // set the size and show the dialog
    int height = 550;
    int width = 800;
    dialog.setSize(width, height);
    Rectangle bounds = dialog.getDisplay().getPrimaryMonitor().getClientArea();
    int x = (bounds.width - width) / 2;
    int y = (bounds.height - height) / 2;
    dialog.setLocation(x, y);
    dialog.open();

    if (rootFile != null && fileDialogMode == VFS_DIALOG_SAVEAS) {
        if (!rootFile.getFileSystem().hasCapability(Capability.WRITE_CONTENT)) {
            MessageBox messageDialog = new MessageBox(dialog.getShell(), SWT.OK);
            messageDialog.setText(Messages.getString("VfsFileChooserDialog.warning")); //$NON-NLS-1$
            messageDialog.setMessage(Messages.getString("VfsFileChooserDialog.noWriteSupport")); //$NON-NLS-1$
            messageDialog.open();
        }
    }

    vfsBrowser.fileSystemTree.forceFocus();
    while (!dialog.isDisposed()) {
        if (!dialog.getDisplay().readAndDispatch())
            dialog.getDisplay().sleep();
    }

    // we just woke up, we are probably disposed already..
    if (!dialog.isDisposed()) {
        hideCustomPanelChildren();
        dialog.dispose();
    }
    if (okPressed) {
        FileObject returnFile = vfsBrowser.getSelectedFileObject();
        if (returnFile != null && fileDialogMode == VFS_DIALOG_SAVEAS) {
            try {
                if (returnFile.getType().equals(FileType.FILE)) {
                    returnFile = returnFile.getParent();
                }
                returnFile = returnFile.resolveFile(enteredFileName);
            } catch (FileSystemException e) {
                e.printStackTrace();
            }
        }

        // put user/pass on the filename so it comes out in the getUri call.
        if (!returnUserAuthenticatedFile) {
            // make sure to put the user/pass on the url if it's not there
            if (returnFile != null && returnFile.getName() instanceof URLFileName) {
                URLFileName urlFileName = (URLFileName) returnFile.getName();
                if (urlFileName.getUserName() == null || urlFileName.getPassword() == null) {
                    // set it
                    String user = "";
                    String pass = "";

                    UserAuthenticator userAuthenticator = DefaultFileSystemConfigBuilder.getInstance()
                            .getUserAuthenticator(returnFile.getFileSystem().getFileSystemOptions());

                    if (userAuthenticator != null) {
                        UserAuthenticationData data = userAuthenticator
                                .requestAuthentication(AUTHENTICATOR_TYPES);
                        user = String.valueOf(data.getData(UserAuthenticationData.USERNAME));
                        pass = String.valueOf(data.getData(UserAuthenticationData.PASSWORD));
                        try {
                            user = URLEncoder.encode(user, "UTF-8");
                            pass = URLEncoder.encode(pass, "UTF-8");
                        } catch (UnsupportedEncodingException e) {
                            // ignore, just use the un encoded values
                        }
                    }

                    // build up the url with user/pass on it
                    int port = urlFileName.getPort();
                    String portString = (port < 1) ? "" : (":" + port);
                    String urlWithUserPass = urlFileName.getScheme() + "://" + user + ":" + pass + "@"
                            + urlFileName.getHostName() + portString + urlFileName.getPath();

                    try {
                        returnFile = currentPanel.resolveFile(urlWithUserPass);
                    } catch (FileSystemException e) {
                        // couldn't resolve with user/pass on url??? interesting
                        e.printStackTrace();
                    }

                }
            }
        }
        return returnFile;
    } else {
        return null;
    }
}

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