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Eclipse Platform
Release 3.5

org.eclipse.swt.dnd
Class FileTransfer

java.lang.Object
  extended by 

org.eclipse.swt.dnd.Transfer
      extended by 

org.eclipse.swt.dnd.ByteArrayTransfer
          extended by 
org.eclipse.swt.dnd.FileTransfer

public class FileTransfer
extends ByteArrayTransfer

The class FileTransfer provides a platform specific mechanism for converting a list of files represented as a java String[] to a platform specific representation of the data and vice versa. Each String in the array contains the absolute path for a single file or directory.

An example of a java String[] containing a list of files is shown below:

     File file1 = new File("C:\temp\file1");
     File file2 = new File("C:\temp\file2");
     String[] fileData = new String[2];
     fileData[0] = file1.getAbsolutePath();
     fileData[1] = file2.getAbsolutePath();
 

See Also:
Transfer

Method Summary
static  FileTransfer getInstance ()
          Returns the singleton instance of the FileTransfer class.
protected  int[] getTypeIds ()
          Returns the platform specific ids of the data types that can be converted using this transfer agent.
protected   String[] getTypeNames ()
          Returns the platform specific names of the data types that can be converted using this transfer agent.
 void javaToNative ( Object object, TransferData transferData)
          This implementation of javaToNative converts a list of file names represented by a java String[] to a platform specific representation.
  Object nativeToJava ( TransferData transferData)
          This implementation of nativeToJava converts a platform specific representation of a list of file names to a java String[].
protected  boolean validate ( Object object)
          Test that the object is of the correct format for this Transfer class.
 
Methods inherited from class org.eclipse.swt.dnd. ByteArrayTransfer
getSupportedTypes, isSupportedType
 
Methods inherited from class org.eclipse.swt.dnd. Transfer
registerType
 
Methods inherited from class java.lang. Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Method Detail

getInstance

public static 
FileTransfer getInstance()
Returns the singleton instance of the FileTransfer class.

Returns:
the singleton instance of the FileTransfer class

javaToNative

public void javaToNative(
Object object,
                         
TransferData transferData)
This implementation of javaToNative converts a list of file names represented by a java String[] to a platform specific representation. Each String in the array contains the absolute path for a single file or directory.

Overrides:
javaToNative in class ByteArrayTransfer
Parameters:
object - a java String[] containing the file names to be converted
transferData - an empty TransferData object that will be filled in on return with the platform specific format of the data
See Also:
Transfer.nativeToJava(org.eclipse.swt.dnd.TransferData)

nativeToJava

public 
Object nativeToJava(
TransferData transferData)
This implementation of nativeToJava converts a platform specific representation of a list of file names to a java String[]. Each String in the array contains the absolute path for a single file or directory.

Overrides:
nativeToJava in class ByteArrayTransfer
Parameters:
transferData - the platform specific representation of the data to be converted
Returns:
a java String[] containing a list of file names if the conversion was successful; otherwise null
See Also:
Transfer.javaToNative(java.lang.Object, org.eclipse.swt.dnd.TransferData)

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.

validate

protected boolean validate(
Object object)
Description copied from class: Transfer
Test that the object is of the correct format for this Transfer class.

Overrides:
validate in class Transfer
Parameters:
object - a java representation of the data to be converted
Returns:
true if object is of the correct form for this transfer type

Eclipse Platform
Release 3.5

Guidelines for using Eclipse APIs.

Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire