org.eclipse.swt.dnd

Class URLTransfer

java.lang.Object

org.eclipse.swt.dnd.Transfer

org.eclipse.swt.dnd.ByteArrayTransfer

org.eclipse.swt.dnd.URLTransfer

public class URLTransfer
extends ByteArrayTransfer

The class URLTransfer provides a platform specific mechanism for converting text in URL format represented as a java String to a platform specific representation of the data and vice versa. The string must contain a fully specified url.

An example of a java String containing a URL is shown below:

     String url = "http://www.eclipse.org";
 

Since:

3.4

See Also:

Transfer

Structure Diagram

Field Summary

Fields

Modifier and Type	Field and Description
(package private) static URLTransfer	_instance
(package private) static java.lang.String	CFSTR_INETURL
(package private) static int	CFSTR_INETURLID
(package private) static int	CFSTR_INETURLIDW
(package private) static java.lang.String	CFSTR_INETURLW

Constructor Summary

Constructors

Modifier	Constructor and Description
private	URLTransfer()

Method Summary

Methods

Modifier and Type	Method and Description
(package private) boolean	checkURL(java.lang.Object object)
static URLTransfer	getInstance() Returns the singleton instance of the URLTransfer class.
protected int[]	getTypeIds() Returns the platform specific ids of the data types that can be converted using this transfer agent.
protected java.lang.String[]	getTypeNames() Returns the platform specific names of the data types that can be converted using this transfer agent.
void	javaToNative(java.lang.Object object, TransferData transferData) This implementation of javaToNative converts a URL represented by a java String to a platform specific representation.
java.lang.Object	nativeToJava(TransferData transferData) This implementation of nativeToJava converts a platform specific representation of a URL to a java String.
protected boolean	validate(java.lang.Object object) Test that the object is of the correct format for this Transfer class.

Methods inherited from class org.eclipse.swt.dnd.ByteArrayTransfer

checkByteArray, getSupportedTypes, isSupportedType

Methods inherited from class org.eclipse.swt.dnd.Transfer

getData, registerType

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

_instance

static URLTransfer _instance

CFSTR_INETURLW

static final java.lang.String CFSTR_INETURLW

See Also:

Constant Field Values

CFSTR_INETURLIDW

static final int CFSTR_INETURLIDW

CFSTR_INETURL

static final java.lang.String CFSTR_INETURL

See Also:

Constant Field Values

CFSTR_INETURLID

static final int CFSTR_INETURLID

Constructor Detail

URLTransfer

private URLTransfer()

Method Detail

getInstance

public static URLTransfer getInstance()

Returns the singleton instance of the URLTransfer class.

Returns:

the singleton instance of the URLTransfer class

javaToNative

public void javaToNative(java.lang.Object object,
                TransferData transferData)

This implementation of javaToNative converts a URL represented by a java String to a platform specific representation.

Overrides:

javaToNative in class ByteArrayTransfer

Parameters:

object - a java String containing a URL

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 java.lang.Object nativeToJava(TransferData transferData)

This implementation of nativeToJava converts a platform specific representation of a URL to a java String.

Overrides:

nativeToJava in class ByteArrayTransfer

Parameters:

transferData - the platform specific representation of the data to be converted

Returns:

a java String containing a URL 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 java.lang.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.

checkURL

boolean checkURL(java.lang.Object object)

validate

protected boolean validate(java.lang.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