Example usage for org.apache.commons.vfs2 FileObject exists

List of usage examples for org.apache.commons.vfs2 FileObject exists

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Introduction

In this page you can find the example usage for org.apache.commons.vfs2 FileObject exists.

Prototype

boolean exists() throws FileSystemException;

Source Link

Document

Determines if this file exists.

Usage

From source file:org.pentaho.reporting.designer.extensions.pentaho.repository.util.PublishUtil.java

public static ReportRenderContext openReport(final ReportDesignerContext context,
        final AuthenticationData loginData, final String path)
        throws IOException, ReportDataFactoryException, ResourceException {
    if (StringUtils.isEmpty(path)) {
        throw new IOException("Path is empty.");
    }/*  w  w  w .  j av  a 2 s  .  c  o  m*/

    final String urlPath = path.replaceAll("%", "%25").replaceAll("%2B", "+").replaceAll("\\!", "%21")
            .replaceAll(":", "%3A");
    final FileObject connection = createVFSConnection(loginData);
    final FileObject object = connection.resolveFile(urlPath);
    if (object.exists() == false) {
        throw new FileNotFoundException(path);
    }

    final InputStream inputStream = object.getContent().getInputStream();
    try {
        final ByteArrayOutputStream out = new ByteArrayOutputStream(
                Math.max(8192, (int) object.getContent().getSize()));
        IOUtils.getInstance().copyStreams(inputStream, out);
        final MasterReport report = loadReport(out.toByteArray(), path);
        final int index = context.addMasterReport(report);
        return context.getReportRenderContext(index);
    } finally {
        inputStream.close();
    }
}

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

public boolean createFolder(String folderName) throws FileSystemException {
    FileObject newFolder = getSelectedFileObject().resolveFile(folderName);
    if (newFolder.exists()) {
        throw new FileSystemException("vfs.provider/create-folder.error", folderName);
    }//from  www  .j  a  v a 2  s . c  o m
    newFolder.createFolder();
    TreeItem newFolderTreeItem = new TreeItem(fileSystemTree.getSelection()[0], SWT.NONE);
    newFolderTreeItem.setData(newFolder);
    newFolderTreeItem.setData("isLoaded", Boolean.TRUE); //$NON-NLS-1$
    newFolderTreeItem.setImage(getFolderImage(newFolderTreeItem.getDisplay()));
    populateTreeItemText(newFolderTreeItem, newFolder);
    fileSystemTree.setSelection(newFolderTreeItem);
    setSelectedFileObject(newFolder);
    fireFileObjectSelected();
    return true;
}

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

public boolean renameItem(TreeItem ti, String newName) throws FileSystemException {
    FileObject file = (FileObject) ti.getData();
    FileObject newFileObject = file.getParent().resolveFile(newName);

    if (file.canRenameTo(newFileObject)) {
        if (!newFileObject.exists()) {
            newFileObject.createFile();// w  w w.j a v  a  2s.co m
        } else {
            return false;
        }
        file.moveTo(newFileObject);
        ti.setText(newName);
        ti.setData(newFileObject);
        return true;
    } else {
        return false;
    }

}

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

public boolean moveItem(TreeItem source, TreeItem destination) throws FileSystemException {
    FileObject file = (FileObject) source.getData();
    FileObject destFile = (FileObject) destination.getData();
    if (!file.exists() && !destFile.exists()) {
        return false;
    }//from   w  w w  .j  a va  2 s  .  c o m
    try {
        if (destFile.getChildren() != null) {
            destFile = destFile.resolveFile(source.getText());
        }
    } catch (Exception e) {
        destFile = destFile.getParent().resolveFile(source.getText());
        destination = destination.getParentItem();
    }
    if (!file.getParent().equals(destFile.getParent())) {
        file.moveTo(destFile);
        TreeItem destTreeItem = new TreeItem(destination, SWT.NONE);
        destTreeItem.setImage(getFileImage(source.getDisplay()));
        destTreeItem.setData(destFile);
        destTreeItem.setData("isLoaded", Boolean.FALSE); //$NON-NLS-1$
        populateTreeItemText(destTreeItem, destFile);
        source.dispose();
    }
    return true;
}

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

public void okPressed() {
    if (fileDialogMode == VFS_DIALOG_SAVEAS && "".equals(fileNameText.getText())) { //$NON-NLS-1$
        // do nothing, user did not enter a file name for saving
        MessageBox messageDialog = new MessageBox(dialog, SWT.OK);
        messageDialog.setText(Messages.getString("VfsFileChooserDialog.error")); //$NON-NLS-1$
        messageDialog.setMessage(Messages.getString("VfsFileChooserDialog.noFilenameEntered")); //$NON-NLS-1$
        messageDialog.open();/*from  w w  w .j  a v  a  2  s .co m*/
        return;
    }

    if (fileDialogMode == VFS_DIALOG_SAVEAS) {
        try {
            FileObject toBeSavedFile = vfsBrowser.getSelectedFileObject().resolveFile(fileNameText.getText());
            if (toBeSavedFile.exists()) {
                MessageBox messageDialog = new MessageBox(dialog, SWT.YES | SWT.NO);
                messageDialog.setText(Messages.getString("VfsFileChooserDialog.fileExists")); //$NON-NLS-1$
                messageDialog.setMessage(Messages.getString("VfsFileChooserDialog.fileExistsOverwrite")); //$NON-NLS-1$
                int flag = messageDialog.open();
                if (flag == SWT.NO) {
                    return;
                }
            }
        } catch (FileSystemException e) {
            e.printStackTrace();
        }
    }
    if (fileDialogMode == VFS_DIALOG_SAVEAS) {
        enteredFileName = fileNameText.getText();
    }

    try {
        if (fileDialogMode == VFS_DIALOG_OPEN_FILE
                && vfsBrowser.getSelectedFileObject().getType().equals(FileType.FOLDER)) {
            // try to open this node, it is a directory
            vfsBrowser.selectTreeItemByFileObject(vfsBrowser.getSelectedFileObject(), true);
            return;
        }
    } catch (FileSystemException e) {
    }

    okPressed = true;
    hideCustomPanelChildren();
    dialog.dispose();
}

From source file:org.pentaho.vfs.util.VfsHelper.java

public FileObject saveFile(String uri, InputStream is) throws IOException {
    if (fsManager != null) {
        FileObject savedFile = fsManager.resolveFile(uri);
        if (!savedFile.exists()) {
            throw new FileSystemException(Messages.getString("VfsHelper.fileDoesNotExist")); //$NON-NLS-1$
        }// w w w .  j a va  2 s.  c o m
        IOUtils.copy(is, savedFile.getContent().getOutputStream());
        return savedFile;
    }
    throw new FileSystemException(Messages.getString("VfsHelper.operationFailed")); //$NON-NLS-1$
}

From source file:org.pentaho.vfs.util.VfsHelper.java

public FileObject saveFileAs(String uri, InputStream is) throws FileSystemException, IOException {
    if (fsManager != null) {
        FileObject savedFile = fsManager.resolveFile(uri);
        if (!savedFile.exists()) {
            savedFile.createFile();//  w  ww.  j a  v a  2 s .  c  o  m
        }
        IOUtils.copy(is, savedFile.getContent().getOutputStream());
        return savedFile;
    }
    throw new FileSystemException(Messages.getString("VfsHelper.operationFailed")); //$NON-NLS-1$
}

From source file:org.pentaho.vfs.util.VfsHelper.java

public FileObject getFileObject(String uri) throws FileSystemException {
    if (fsManager != null) {
        FileObject file = fsManager.resolveFile(uri);
        if (!file.exists()) {
            throw new FileSystemException(Messages.getString("VfsHelper.fileDoesNotExist")); //$NON-NLS-1$
        }//from  w w  w  . j  av a  2 s . c o  m
        return file;
    }
    throw new FileSystemException(Messages.getString("VfsHelper.operationFailed")); //$NON-NLS-1$
}

From source file:org.pentaho.vfs.util.VfsHelper.java

public byte[] getFileContentAsByteArray(FileObject fileObject) throws IOException {
    if (fileObject != null && fileObject.exists()) {
        IOUtils.toByteArray(fileObject.getContent().getInputStream());
    }//  ww w  .j a  va2s  .  co m
    throw new FileSystemException(Messages.getString("VfsHelper.operationFailed")); //$NON-NLS-1$
}

From source file:org.renjin.appengine.AppEngineLocalFilesSystemProviderTest.java

@Test
public void test() throws FileSystemException {

    File basePath = new File(getClass().getResource("/jarfiletest.jar").getFile()).getParentFile();

    FileSystemManager dfsm = AppEngineContextFactory
            .createFileSystemManager(new AppEngineLocalFilesSystemProvider(basePath));

    FileObject jarFile = dfsm.resolveFile("/jarfiletest.jar");
    assertThat(jarFile.getName().getURI(), equalTo("file:///jarfiletest.jar"));
    assertThat(jarFile.exists(), equalTo(true));

    FileObject jarRoot = dfsm.resolveFile("jar:file:///jarfiletest.jar!/r/library");
    assertThat(jarRoot.exists(), equalTo(true));
    assertThat(jarRoot.getType(), equalTo(FileType.FOLDER));
    assertThat(jarRoot.getChildren().length, equalTo(1));
}