Examples of java.awt.datatransfer.DataFlavor

java.awt.datatransfer.DataFlavor
etf.org/rfc/rfc2045.txt">RFC 2045 and RFC 2046. A content type is typically referred to as a MIME type.
A content type consists of a media type (referred to as the primary type), a subtype, and optional parameters. See RFC 2045 for details on the syntax of a MIME type.
The JRE data transfer implementation interprets the parameter "class" of a MIME type as a representation class. The representation class reflects the class of the object being transferred. In other words, the representation class is the type of object returned by {@link Transferable#getTransferData}. For example, the MIME type of {@link #imageFlavor} is{@code "image/x-java-image;class=java.awt.Image"}, the primary type is {@code image}, the subtype is {@code x-java-image}, and the representation class is {@code java.awt.Image}. When {@code getTransferData} is invokedwith a {@code DataFlavor} of {@code imageFlavor}, an instance of {@code java.awt.Image} is returned.It's important to note that {@code DataFlavor} does no error checkingagainst the representation class. It is up to consumers of {@code DataFlavor}, such as {@code Transferable}, to honor the representation class.
Note, if you do not specify a representation class when creating a {@code DataFlavor}, the default representation class is used. See appropriate documentation for {@code DataFlavor}'s constructors.
Also, {@code DataFlavor} instances with the "text" primaryMIME type may have a "charset" parameter. Refer to RFC 2046 and {@link #selectBestTextFlavor} for details on "text" MIME typesand the "charset" parameter.
Equality of {@code DataFlavors} is determined by the primary type,subtype, and representation class. Refer to {@link #equals(DataFlavor)} fordetails. When determining equality, any optional parameters are ignored. For example, the following produces two {@code DataFlavors} thatare considered identical:
```
 DataFlavor flavor1 = new DataFlavor(Object.class, "X-test/test; class=<java.lang.Object>; foo=bar"); DataFlavor flavor2 = new DataFlavor(Object.class, "X-test/test; class=<java.lang.Object>; x=y"); // The following returns true. flavor1.equals(flavor2); 
```
As mentioned, {@code flavor1} and {@code flavor2} are considered identical.As such, asking a {@code Transferable} for either {@code DataFlavor} returnsthe same results.
For more information on the using data transfer with Swing see the How to Use Drag and Drop and Data Transfer, section in Java Tutorial. @version 1.83, 07/28/06 @author Blake Sullivan @author Laurence P. G. Cable @author Jeff Dunn

                            + f.toURI().toURL().getPath());
                        Image image = Toolkit.getDefaultToolkit().getImage(url);
                        setImage(image);
                        return true;
                    }
                    DataFlavor flavor = DataFlavor
                                                  .selectBestTextFlavor(t
                                                                         .getTransferDataFlavors());
                    if (flavor != null) {
                        Reader reader = flavor.getReaderForText(t);
                        char[] buf = new char[512];
                        StringBuilder b = new StringBuilder();
                        int count;
                        // excise excess NUL characters (bug in firefox,
                        // java

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                        URL url = new URL("file://" + f.toURI().toURL().getPath());
                        Image image = Toolkit.getDefaultToolkit().getImage(url);
                        setImage(image);
                        return true;
                    }
                    DataFlavor flavor = DataFlavor.selectBestTextFlavor(t.getTransferDataFlavors());
                    if (flavor != null) {
                        Reader reader = flavor.getReaderForText(t);
                        char[] buf = new char[512];
                        StringBuilder b = new StringBuilder();
                        int count;
                        // excise excess NUL characters (bug in firefox, java
                        // or my code, not sure which).  someone got the

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     * @see javax.swing.TransferHandler#canImport(javax.swing.JComponent,
     *      java.awt.datatransfer.DataFlavor[])
     */
    public boolean canImport(JComponent arg0, DataFlavor[] arg1) {
        for (int i = 0; i < arg1.length; i++) {
            DataFlavor flavor = arg1[i];
            //only capture file flavor
            if (flavor.equals(DataFlavor.javaFileListFlavor)) {
                return true;
            }
        }
        return false;
    }

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     */
    public boolean importData(JComponent comp, Transferable t) {
        DataFlavor[] flavors = t.getTransferDataFlavors();
        for (int i = 0; i < flavors.length; i++) {
            try {
                DataFlavor flavor = flavors[i];
                if (flavor.equals(DataFlavor.javaFileListFlavor)) {
                  //get file list
                    List<File> fileList = (List<File>) t.getTransferData(DataFlavor.javaFileListFlavor);
                    if(comp instanceof javax.swing.JLabel){
                        //image input as target
                      main.setInputFiles((File[])fileList.toArray());

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    private final E obj;


    public ObjectTransferable(E obj, TipoTransferenciaMusica nome) {
        this.obj = obj;
        dataFlavors = new DataFlavor[2];
        dataFlavors[0] = new DataFlavor(obj.getClass(), nome.getNome());
        try {
            dataFlavors[1] = new DataFlavor("text/plain");
//            dataFlavors[2] = new DataFlavor("text/html");
        } catch (ClassNotFoundException ex) {
            Logger.getLogger(ObjectTransferable.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

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    @Override
    public boolean isDataFlavorSupported(DataFlavor flavor) {
        boolean suporta = false;
        for (int i = 0; !suporta && i < dataFlavors.length; i++) {
            DataFlavor dataFlavor = dataFlavors[i];
            suporta |= dataFlavor.equals(flavor);
        }
        return suporta;
    }

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            return isDataObjectFormatAvailable(pointer, nativeFormat);
        }
        
        public byte[] getSerializedObject(Class<?> clazz) {
            String nativeFormat = SystemFlavorMap.encodeDataFlavor(
                    new DataFlavor(clazz, null));
            return getDataObjectSerialized(pointer, nativeFormat);
        }

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  /**
   * Tests a basic serialization.
   */
  public void testWriteBasic()
  {
    DataFlavor f = new DataFlavor("application/text; param1=xyz",
                                  "Plain Text");
    try
      {
        f.writeExternal(output);
      }
    catch (IOException ex)
      {
        fail();
      }
    // Two objects are effectivly written to the stream.
    assertEquals(2, writtenObjects.size());
    assertEquals(0, writtenStrings.size());
    // The RI writes a non-public class to the ObjectOutput.
    assertEquals("java.awt.datatransfer.MimeType",
                 writtenObjects.get(0).getClass().getName());
    // And the representation class.
    assertEquals("java.lang.Class", writtenObjects.get(1).getClass().getName());
    assertSame(f.getRepresentationClass(), writtenObjects.get(1));


    // Now check how the MimeType gets serialized.
    Object o = writtenObjects.get(0);
    writtenObjects.clear();
    assertTrue(o instanceof Externalizable);

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  public void testBasicRead()
  {
    // Write out using writeExternal().
    try
      {
        DataFlavor f = new DataFlavor("application/text; param1=xyz",
        "Plain Text");
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(baos);
        f.writeExternal(oos);
        ByteArrayInputStream bais =
          new ByteArrayInputStream(baos.toByteArray());
        ObjectInputStream ois = new ObjectInputStream(bais);
        DataFlavor read = new DataFlavor();
        read.readExternal(ois);
        assertEquals(f.getPrimaryType(), read.getPrimaryType());
        assertEquals(f.getSubType(), read.getSubType());
        assertEquals(f.getRepresentationClass(),
                     read.getRepresentationClass());
        assertEquals(f.getHumanPresentableName(),
                     read.getHumanPresentableName());
        assertEquals("xyz", read.getParameter("param1"));
        assertNull(read.getParameter("humanPresentableName"));
        assertEquals(f.getRepresentationClass().getName(),
                     read.getParameter("class"));
      }
    catch (IOException ex)
      {
        fail();
      }

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    assertNotNull(exportDoneTransferable);
    assertSame(exportDoneTransferable, clipboard.getContents(this));


    try
      {
        DataFlavor flavor = new DataFlavor("application/x-java-jvm-local-objectref; class=java.lang.String");
        assertEquals("HelloWorld",
                     exportDoneTransferable.getTransferData(flavor));
      }
    catch (Exception ex)
      {

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