java类java.awt.datatransfer.DataFlavor的实例源码

public MissedHtmlAndRtfBug(Point targetFrameLocation, Point dragSourcePoint, DataFlavor df)
        throws InterruptedException {
    final Frame targetFrame = new Frame("Target frame");
    final TargetPanel targetPanel = new TargetPanel(targetFrame, df);
    targetFrame.add(targetPanel);
    targetFrame.addWindowListener(new WindowAdapter() {
        @Override
        public void windowClosing(WindowEvent e) {
            targetFrame.dispose();
        }
    });
    targetFrame.setLocation(targetFrameLocation);
    targetFrame.pack();
    targetFrame.setVisible(true);

    doTest(dragSourcePoint, targetPanel);
}

/**
 * Returns a string stored in the system clipboard.
 */
public static String getClipboardString()
{
    try
    {
        Transferable transferable = Toolkit.getDefaultToolkit().getSystemClipboard().getContents((Object)null);

        if (transferable != null && transferable.isDataFlavorSupported(DataFlavor.stringFlavor))
        {
            return (String)transferable.getTransferData(DataFlavor.stringFlavor);
        }
    }
    catch (Exception var1)
    {
        ;
    }

    return "";
}

public void testClipboardCopy() throws Exception {
    String tablename = "testtable";
    String pkName = "id";
    createBasicTable(tablename, pkName);

    String viewname = "testview";
    createView(viewname, "select id from testtable");

    ViewNode viewNode = getViewNode(viewname);
    assertNotNull(viewNode);
    assertTrue(viewNode.canCopy());

    Transferable transferable = (Transferable)viewNode.clipboardCopy();
    Set mimeTypes = new HashSet();
    DataFlavor[] flavors = transferable.getTransferDataFlavors();
    for (int i = 0; i < flavors.length; i++) {
        mimeTypes.add(flavors[i].getMimeType());
    }

    assertTrue(mimeTypes.contains("application/x-java-netbeans-dbexplorer-view; class=org.netbeans.api.db.explorer.DatabaseMetaDataTransfer$View"));
    assertTrue(mimeTypes.contains("application/x-java-openide-nodednd; mask=1; class=org.openide.nodes.Node"));

    dropView(viewname);
    dropTable(tablename);
}

private static void runTest() throws Exception {
    String testString = "my string";
    JTextField tf = new JTextField(testString);
    tf.selectAll();
    Clipboard clipboard = new Clipboard("clip");
    tf.getTransferHandler().exportToClipboard(tf, clipboard, TransferHandler.COPY);
    DataFlavor[] dfs = clipboard.getAvailableDataFlavors();
    for (DataFlavor df: dfs) {
        String charset = df.getParameter("charset");
        if (InputStream.class.isAssignableFrom(df.getRepresentationClass()) &&
                charset != null) {
            BufferedReader br = new BufferedReader(new InputStreamReader(
                    (InputStream) clipboard.getData(df), charset));
            String s = br.readLine();
            System.out.println("Content: '" + s + "'");
            passed &= s.contains(testString);
        }
    }
}

/** {@inheritDoc} */
@Override
public boolean importData(JComponent comp, Transferable t) {
    if (!t.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
        return false;
    }

    try {
        @SuppressWarnings("unchecked")
        final List<File> files = (List<File>) t.getTransferData(DataFlavor.javaFileListFlavor);
        // importation
        fileTableModel.addFiles(files);
        return true;
    } catch (final Exception e) {
        DcdUiHelper.printStackTrace(e);
    }
    return false;
}

public void testClipboardCopy() throws Exception {
    JDBCDriver driver = JDBCDriver.create("foo", "Foo", "org.example.Foo", new URL[0]);
    JDBCDriverManager.getDefault().addDriver(driver);
    DatabaseConnection dbconn = DatabaseConnection.create(driver, "url", "user", "schema", "pwd", false);
    ConnectionManager.getDefault().addConnection(dbconn);

    ConnectionNode connectionNode = getConnectionNode();
    assertTrue(connectionNode != null);

    assertTrue(connectionNode.canCopy());

    Transferable transferable = (Transferable)connectionNode.clipboardCopy();
    Set mimeTypes = new HashSet();
    DataFlavor[] flavors = transferable.getTransferDataFlavors();
    for (int i = 0; i < flavors.length; i++) {
        mimeTypes.add(flavors[i].getMimeType());
    }
    assertTrue(mimeTypes.contains("application/x-java-netbeans-dbexplorer-connection; class=org.netbeans.api.db.explorer.DatabaseMetaDataTransfer$Connection"));
    assertTrue(mimeTypes.contains("application/x-java-openide-nodednd; mask=1; class=org.openide.nodes.Node"));
}

@Override
public void clipboardChanged(ClipboardEvent ev) {
    ExClipboard clipboard = ev.getClipboard();

    Transferable transferable = null;
    String clipboardContent = null;
    try {
        transferable = clipboard.getContents(null);
        if (transferable != null && transferable.isDataFlavorSupported(DataFlavor.stringFlavor)) {
            clipboardContent = (String) transferable.getTransferData(DataFlavor.stringFlavor);
        }
    } catch (OutOfMemoryError oom) {            
        NotificationDisplayer.getDefault().notify( NbBundle.getBundle(ClipboardHistory.class).getString("clipboard-history-oom"),NotificationDisplayer.Priority.NORMAL.getIcon(), NbBundle.getBundle(ClipboardHistory.class).getString("clipboard-history-oom-details"), null);
        return;
    } catch (IOException ioe) {
        //ignored for bug #218255
    } catch (UnsupportedFlavorException ufe) {
    }

    if (clipboardContent != null) {
        addHistory(transferable, clipboardContent);
    }
}

@Override
public void drop(DropTargetDropEvent dtde) {
    dtde.acceptDrop(DnDConstants.ACTION_COPY);
    try {
        Transferable t = dtde.getTransferable();
        DataFlavor[] dataFlavors = t.getTransferDataFlavors();
        for (DataFlavor df : dataFlavors) {
            if (df.isFlavorJavaFileListType()) {
                File[] filesArray = (File[]) ((List<File>) t.getTransferData(df)).toArray();
                pathNameTextField.setText(getFilesName(filesArray));
            }
        }
    } catch (UnsupportedFlavorException e2) {
    } catch (IOException ex) {
        Logger.getLogger(SubtitleDownloaderUI.class.getName()).log(Level.SEVERE, null, ex);
    }
}

@Override
public void dragEnter(DropTargetDragEvent dtde) {
    accept = null;
    value = null;
    for (DataFlavor dataFlavor : dtde.getCurrentDataFlavors()) {
        Object obj = null;
        try {
            obj = dtde.getTransferable().getTransferData(dataFlavor);
        } catch (Exception ex) {
            continue;
        }
        if (dataFlavor.isFlavorJavaFileListType()) {
            accept = dataFlavor;
            value = obj;
            break;
        }
        if ("text".equals(dataFlavor.getPrimaryType()) && "uri-list".equals(dataFlavor.getSubType()) && dataFlavor.getRepresentationClass() == String.class) {
            accept = dataFlavor;
            value = (String) obj;
            break;
        }
    }
    if (accept != null) {
        dtde.acceptDrag(DnDConstants.ACTION_COPY_OR_MOVE);
    }
}

public void testMultiTransferableForCut() throws Exception {
    N node = new N();
    N n2 = new N();
    N[] arr = { node, n2 };

    Transferable t = DragDropUtilities.getNodeTransferable(arr, NodeTransfer.DND_MOVE);

    assertEquals("One call to cut ", 1, node.cut);
    assertEquals("One call to cut on n2", 1, n2.cut);
    assertEquals("No to drag", 0, node.drag);
    assertEquals("No to drag on n2", 0, n2.drag);
    assertEquals("No call to copy", 0, node.copy);
    assertEquals("No call to copy on n2", 0, n2.copy);

    assertNotNull("Call to convertor", last);
    assertTrue("multi flavor supported", last.isDataFlavorSupported(ExTransferable.multiFlavor));
    Object obj = last.getTransferData(ExTransferable.multiFlavor);
    if (!( obj instanceof MultiTransferObject)) {
        fail("It should be MultiTransferObject: " + obj);
    }
    MultiTransferObject m = (MultiTransferObject)obj;

    assertEquals("Two in multi", 2, m.getCount());
    assertTrue("Is string", m.getTransferData(0, DataFlavor.stringFlavor) instanceof String);
    assertTrue("Is string2", m.getTransferData(1, DataFlavor.stringFlavor) instanceof String);
}

/**
 * Verifies that the encoded native is added only for DataFlavors
 * that has no mappings and that DataFlavor is properly encoded.
 */
public static void test4() throws ClassNotFoundException {
    final DataFlavor flavor =
            new DataFlavor("unknown/unknown");

    final java.util.List natives = fm.getNativesForFlavor(flavor);

    if (natives.size() == 1) {
        String element = (String) natives.get(0);
        if (SystemFlavorMap.isJavaMIMEType(element)) {
            final DataFlavor decodedFlavor =
                    SystemFlavorMap.decodeDataFlavor(element);
            if (!flavor.equals(decodedFlavor)) {
                System.err.println("DataFlavor is not properly incoded:");
                System.err.println("    encoded flavor: " + flavor);
                System.err.println("    decoded flavor: " + decodedFlavor);
                throw new RuntimeException("getFlavorsForNative() returns:"
                        + natives);
            }
        }
    } else {
        throw new RuntimeException("getFlavorsForNative() returns:"
                + natives);
    }
}

public static void main(String[] args) {
    df = new DataFlavor();
    try {
        eq = df.equals((Object)new DataFlavor());
        if (!eq) noexc = false;
        eq = df.equals(new DataFlavor());
        if (!eq) noexc = false;
        eq = df.equals("application/postscript;class=java.awt.datatransfer.DataFlavor");
        if (eq) noexc = false;
    } catch (NullPointerException e1) {
        noexc = false;
    }
    finished = true;
    if (!noexc)
        throw new RuntimeException("Test FAILED");

}

public PasteType[] getPasteTypes(final Object node, final Transferable t) throws UnknownTypeException {
    if (node != TreeModel.ROOT && getWatch(node) == null) {
        return null;
    }
    DataFlavor[] flavors = t.getTransferDataFlavors();
    final DataFlavor textFlavor = DataFlavor.selectBestTextFlavor(flavors);
    if (textFlavor != null) {
        return new PasteType[] { new PasteType() {

            public Transferable paste() {
                try {
                    java.io.Reader r = textFlavor.getReaderForText(t);
                    java.nio.CharBuffer cb = java.nio.CharBuffer.allocate(1000);
                    r.read(cb);
                    cb.flip();
                    Watch w = getWatch(node);
                    if (w != null) {
                        w.setExpression(cb.toString());
                        //fireModelChange(new ModelEvent.NodeChanged(WatchesNodeModel.this, node));
                    } else {
                        // Root => add a new watch
                        DebuggerManager.getDebuggerManager().createWatch(cb.toString());
                    }
                } catch (Exception ex) {}
                return null;
            }
        } };
    } else {
        return null;
    }
}

public static void main(String[] args) throws Exception {
    df = new DataFlavor("application/x-java-serialized-object;class=java.io.Serializable");
    boolean fl = df.isMimeTypeSerializedObject();
    finished = true;
    if (!fl)
        throw new RuntimeException("Test FAILED");
}

@Override
public SortedMap <Long, DataFlavor> getFormatsForFlavors(
        DataFlavor[] flavors, FlavorTable map)
{
    SortedMap <Long, DataFlavor> retval =
            super.getFormatsForFlavors(flavors, map);

    // The Win32 native code does not support exporting LOCALE data, nor
    // should it.
    retval.remove(L_CF_LOCALE);

    return retval;
}

private void doPaste() {
    Clipboard clip =
        java.awt.Toolkit.getDefaultToolkit().getSystemClipboard();
    try {
        Transferable content = clip.getContents(this);
        if (content == null)
            return;
        String txt =
            content
                .getTransferData(new DataFlavor(String.class, "String"))
                .toString();
        document.replace(
            editor.getSelectionStart(),
            editor.getSelectionEnd() - editor.getSelectionStart(),
            txt,
            editorKit.getInputAttributes());
        //editor.replaceSelection(content.getTransferData(new
        // DataFlavor(String.class, "String")).toString());
        //editor.paste();
        //insertHTML(content.getTransferData(new DataFlavor(String.class,
        // "String")).toString(), editor.getCaretPosition());
        /*
         * Element el =
         * document.getParagraphElement(editor.getCaretPosition());
         * insertTextInElement(el, content.getTransferData(new
         * DataFlavor(String.class, "String")).toString(),
         */

    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

public static String getSystemClipboard() {
    Clipboard sysClb = null;
    sysClb = Toolkit.getDefaultToolkit().getSystemClipboard();
    try {
        Transferable t = sysClb.getContents(null);
        if (null != t && t.isDataFlavorSupported(DataFlavor.stringFlavor)) {
            String text = (String) t.getTransferData(DataFlavor.stringFlavor);
            return text;
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

/**
 * Helper function to convert a Set of DataFlavors to a sorted array.
 * The array will be sorted according to <code>DataFlavorComparator</code>.
 */
public static DataFlavor[] setToSortedDataFlavorArray(Set flavorsSet) {
    DataFlavor[] flavors = new DataFlavor[flavorsSet.size()];
    flavorsSet.toArray(flavors);
    final Comparator comparator =
            new DataFlavorComparator(IndexedComparator.SELECT_WORST);
    Arrays.sort(flavors, comparator);
    return flavors;
}

@Override
public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException {
    if (flavor.equals(DataFlavors.object())) {
        return value;
    } else if (flavor.equals(DataFlavors.string())) {
        return value.toString();
    } else {
        throw new UnsupportedFlavorException(flavor);
    }
}

TargetFileListFrame(Point location, int expectationTransferredFilesNumber) {
    try {
        dropFlavor = new DataFlavor("text/uri-list;class=java.io.Reader");
    } catch (Exception ex) {
    }
    this.expectationTransferredFilesNumber = expectationTransferredFilesNumber;
    initGUI(location);
    setDropTarget(new DropTarget(list, DnDConstants.ACTION_COPY,
            this));
}

private void doPaste() {
    Clipboard clip =
        java.awt.Toolkit.getDefaultToolkit().getSystemClipboard();
    try {
        Transferable content = clip.getContents(this);
        if (content == null)
        {
            return;
        }
        String txt =
            content
                .getTransferData(new DataFlavor(String.class, "String"))
                .toString();
        document.replace(
            editor.getSelectionStart(),
            editor.getSelectionEnd() - editor.getSelectionStart(),
            txt,
            editorKit.getInputAttributes());
        //editor.replaceSelection(content.getTransferData(new
        // DataFlavor(String.class, "String")).toString());
        //editor.paste();
        //insertHTML(content.getTransferData(new DataFlavor(String.class,
        // "String")).toString(), editor.getCaretPosition());
        /*
         * Element el =
         * document.getParagraphElement(editor.getCaretPosition());
         * insertTextInElement(el, content.getTransferData(new
         * DataFlavor(String.class, "String")).toString(),
         */

    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

/**
 * 
 * @param flavor
 * @return Returns true if the given flavor is an image flavor of this transferable.
 */
protected boolean isImageFlavor(DataFlavor flavor) {
  int nFlavors = (imageFlavors != null) ? imageFlavors.length : 0;

  for (int i = 0; i < nFlavors; i++) {
    if (imageFlavors[i].equals(flavor)) {
      return true;
    }
  }

  return false;
}

/** Determine if the dragged data is a file list. */
private boolean isDragOk( final java.io.PrintStream out, final java.awt.dnd.DropTargetDragEvent evt )
{   boolean ok = false;

    // Get data flavors being dragged
    java.awt.datatransfer.DataFlavor[] flavors = evt.getCurrentDataFlavors();

    // See if any of the flavors are a file list
    int i = 0;
    while( !ok && i < flavors.length )
    {   
        // BEGIN 2007-09-12 Nathan Blomquist -- Linux (KDE/Gnome) support added.
        // Is the flavor a file list?
        final DataFlavor curFlavor = flavors[i];
        if( curFlavor.equals( java.awt.datatransfer.DataFlavor.javaFileListFlavor ) ||
            curFlavor.isRepresentationClassReader()){
            ok = true;
        }
        // END 2007-09-12 Nathan Blomquist -- Linux (KDE/Gnome) support added.
        i++;
    }   // end while: through flavors

    // If logging is enabled, show data flavors
    if( out != null )
    {   if( flavors.length == 0 )
            log( out, "FileDrop: no data flavors." );
        for( i = 0; i < flavors.length; i++ )
            log( out, flavors[i].toString() );
    }   // end if: logging enabled

    return ok;
}

TargetFileListFrame(Point location, int expectationTransferredFilesNumber) {
    try {
        dropFlavor = new DataFlavor("text/uri-list;class=java.io.Reader");
    } catch (Exception ex) {
    }
    this.expectationTransferredFilesNumber = expectationTransferredFilesNumber;
    initGUI(location);
    setDropTarget(new DropTarget(list, DnDConstants.ACTION_COPY,
            this));
}

@Override public boolean importData(TransferHandler.TransferSupport info) {
    if (!info.isDrop()) {
        return false;
    }

    JList list = (JList) info.getComponent();
    DefaultListModel listModel = (DefaultListModel) list.getModel();
    JList.DropLocation dl = (JList.DropLocation) info.getDropLocation();
    int index = dl.getIndex();
    boolean insert = dl.isInsert();

    // Get the string that is being dropped.
    Transferable t = info.getTransferable();
    String data;
    try {
        data = (String) t.getTransferData(DataFlavor.stringFlavor);
    } catch (Exception e) {
        return false;
    }

    // Perform the actual import.
    if (insert) {
        listModel.add(index, data);
    } else {
        listModel.set(index, data);
    }
    return true;
}

@Test
public void testGetTransferDataFlavors() {
    DataFlavor[] df = tkre.getTransferDataFlavors();
    DataFlavor d = null;
    for (DataFlavor i : df) {
        if (i.equals(TransferableKernelRepositoryEntry.entryFlavour)) {
            d = i;
            break;
        }
    }
    assertNotNull(d);
}

public static Clipboard getClipboard() {
  Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
  while (true) {
    Throwable throwable = null;
    try {
      clipboard.isDataFlavorAvailable(DataFlavor.stringFlavor);
    } catch (IllegalStateException e) {
      throwable = e;
    }
    if (throwable == null) {
      break;
    }
  }
  return clipboard;
}

static String[] retrieveFormatsToTest() {
    SystemFlavorMap sfm = (SystemFlavorMap) SystemFlavorMap.getDefaultFlavorMap();
    java.util.List<String> ln = sfm.getNativesForFlavor(DataFlavor.imageFlavor);
    if (OSInfo.OSType.WINDOWS.equals(OSInfo.getOSType()) && !ln.contains("METAFILEPICT")) {
        // for test failing on JDK without this fix
        ln.add("METAFILEPICT");
    }
    return ln.toArray(new String[ln.size()]);
}

@Override
public boolean canImport(TransferHandler.TransferSupport info) {
    if (!info.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
        return false;
    }
    return true;
}

@Override
public Object getTransferData(DataFlavor flavor)
        throws UnsupportedFlavorException, IOException {
    if (flavor.equals(DataFlavor.imageFlavor) && i != null) {
        return i;
    } else {
        throw new UnsupportedFlavorException(flavor);
    }
}