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

        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

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    collTransferables = new Vector();
    
    int i, j, k;
    Object o;
    DataFlavor[] flavorArray;
    DataFlavor flavor;
    Vector v = new Vector();
    
    for( i = 0; i < coll.size(); i++ ) {
      o = coll.get( i );
      if( !(o instanceof Transferable) ) throw new IllegalArgumentException();

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        public XmlContent(String text) {
            content = text;
            try {
                dataFlavors = new DataFlavor[3];
                dataFlavors[0] = new DataFlavor("text/xml;class=java.lang.String");
                dataFlavors[1] = new DataFlavor("text/rtf;class=java.lang.String");
                dataFlavors[2] = new DataFlavor("text/plain;class=java.lang.String");


            } catch (ClassNotFoundException e) {
                e.printStackTrace();
            }
        }

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        public HtmlContent(String htmlText) {
            content = htmlText;
            try {
                dataFlavors = new DataFlavor[3];
                dataFlavors[0] = new DataFlavor("text/html;class=java.lang.String");
                dataFlavors[1] = new DataFlavor("text/rtf;class=java.lang.String");
                dataFlavors[2] = new DataFlavor("text/plain;class=java.lang.String");


            } catch (ClassNotFoundException e) {
                e.printStackTrace();
            }
        }

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    protected boolean isDragOk(DropTargetDragEvent e)
    {
        // Check DataFlavor
        DataFlavor[] dfs = e.getCurrentDataFlavors();
        DataFlavor tdf = null;
        for (int i = 0; i < dfs.length; i++)
        {
            if (DataFlavor.javaFileListFlavor.equals(dfs[i]))
            {
                tdf = dfs[i];

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    public void drop(DropTargetDropEvent e)
    {
        // Check DataFlavor
        DataFlavor[] dfs = e.getCurrentDataFlavors();
        DataFlavor tdf = null;
        for (int i = 0; i < dfs.length; i++)
        {
            if (DataFlavor.javaFileListFlavor.equals(dfs[i]))
            {
                tdf = dfs[i];

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     * @inheritDoc()
     */
    public DataFlavor[] getDataFlavors() {
        try {
            return new DataFlavor[] {
                new DataFlavor("text/uri-list;class=java.lang.String")
            };
        } catch (ClassNotFoundException ex) {
            logger.log(Level.WARNING, "Unable to find DataFlavor for URL", ex);
            return new DataFlavor[] {};
        }

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     */
    public void registerDataFlavorHandler(DataFlavorHandlerSPI handler) {
        // For each of the data flavors that are supported by the handler, add
        // then to the map. If the data flavor is already registered, then
        // overwrite.
        DataFlavor flavors[] = handler.getDataFlavors();
        if (flavors != null) {
            for (DataFlavor flavor : flavors) {
                dataFlavorHandlerMap.put(flavor, handler);
            }
        }

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     */
    public void unregisterDataFlavorHandler(DataFlavorHandlerSPI handler) {
        // For each of the data flavors that are supported by the handler,
        // remove then from the map. If the data flavor has been overwritten,
        // make sure not to remove it
        DataFlavor flavors[] = handler.getDataFlavors();
        if (flavors != null) {
            for (DataFlavor flavor : flavors) {
                DataFlavorHandlerSPI cur = dataFlavorHandlerMap.get(flavor);
                if (handler == cur) {
                    dataFlavorHandlerMap.remove(flavor);

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     * @inheritDoc()
     */
    public DataFlavor[] getDataFlavors() {
        try {
            return new DataFlavor[]{
                        new DataFlavor(
                                "application/x-java-url; class=java.net.URL")
                    };
        } catch (ClassNotFoundException ex) {
            LOGGER.log(Level.WARNING, "Unable to find DataFlavor for URL", ex);
            return new DataFlavor[]{};

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