Class ClientFileTransfer

java.lang.Object
org.eclipse.swt.dnd.Transfer
org.eclipse.rap.rwt.dnd.ClientFileTransfer

public class ClientFileTransfer extends Transfer
The class ClientFileTransfer allows the user to drop files from the user's file system on a DropTarget. The DropEvent will contain data of the type ClientFile[].
Since:
2.3
See Also:
  • Method Details

    • getInstance

      public static ClientFileTransfer getInstance()
    • getSupportedTypes

      public TransferData[] getSupportedTypes()
      Description copied from class: Transfer
      Returns a list of the platform specific data types that can be converted using this transfer agent.

      Only the data type fields of the TransferData objects are filled in.

      Specified by:
      getSupportedTypes in class Transfer
      Returns:
      a list of the data types that can be converted using this transfer agent
    • isSupportedType

      public boolean isSupportedType(TransferData transferData)
      Description copied from class: Transfer
      Returns true if the TransferData data type can be converted using this transfer agent, or false otherwise (including if transferData is null).
      Specified by:
      isSupportedType in class Transfer
      Parameters:
      transferData - a platform specific description of a data type; only the data type fields of the TransferData object need to be filled in
      Returns:
      true if the transferData data type can be converted using this transfer agent
    • getTypeIds

      protected int[] getTypeIds()
      Description copied from class: Transfer
      Returns the platform specific ids of the data types that can be converted using this transfer agent.
      Specified by:
      getTypeIds in class Transfer
      Returns:
      the platform specific ids of the data types that can be converted using this transfer agent
    • getTypeNames

      protected String[] getTypeNames()
      Description copied from class: Transfer
      Returns the platform specific names of the data types that can be converted using this transfer agent.
      Specified by:
      getTypeNames in class Transfer
      Returns:
      the platform specific names of the data types that can be converted using this transfer agent.
    • javaToNative

      public void javaToNative(Object object, TransferData transferData)
      Description copied from class: Transfer
      Converts a java representation of data to a platform specific representation of the data.

      On a successful conversion, the transferData.result field will be set to 1. If this transfer agent is unable to perform the conversion, the transferData.result field will be set to a failure value of 0.

      IMPORTANT: This method is not part of the RWT public API. It is marked public only so that it can be shared within the packages provided by RWT. It should never be accessed from application code.

      Specified by:
      javaToNative in class Transfer
      Parameters:
      object - a java representation of the data to be converted; the type of Object that is passed in is dependent on the Transfer subclass.
      transferData - an empty TransferData object; this object will be filled in on return with the platform specific representation of the data
    • nativeToJava

      public Object nativeToJava(TransferData transferData)
      Description copied from class: Transfer
      Converts a platform specific representation of data to a java representation.

      IMPORTANT: This method is not part of the RWT public API. It is marked public only so that it can be shared within the packages provided by RWT. It should never be accessed from application code.

      Specified by:
      nativeToJava in class Transfer
      Parameters:
      transferData - the platform specific representation of the data to be converted
      Returns:
      a java representation of the converted data if the conversion was successful; otherwise null. If transferData is null then null is returned. The type of Object that is returned is dependent on the Transfer subclass.