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/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.dnd;
/**
* The class <code>HTMLTransfer</code> provides a platform specific mechanism
* for converting text in HTML format represented as a java <code>String</code>
* to a platform specific representation of the data and vice versa. See
* <code>Transfer</code> for additional information.
*
* <p>An example of a java <code>String</code> containing HTML text is shown
* below:</p>
*
* <code><pre>
* String htmlData = "<b>Hello World</b>";
* </code></pre>
*/
public class HTMLTransfer extends ByteArrayTransfer {
private static HTMLTransfer _instance = new HTMLTransfer();
private static final String TYPENAME1 = "text/html\0";
private static final int TYPEID1 = registerType(TYPENAME1);
private static final String TYPENAME2 = "TEXT/HTML\0";
private static final int TYPEID2 = registerType(TYPENAME2);
private HTMLTransfer() {
}
/**
* Returns the singleton instance of the HTMLTransfer class.
*
* @return the singleton instance of the HTMLTransfer class
*/
public static HTMLTransfer getInstance () {
return _instance;
}
/**
* This implementation of <code>javaToNative</code> converts HTML text
* represented by a java <code>String</code> to a platform specific representation.
* For additional information see <code>Transfer#javaToNative</code>.
*
* @param object a java <code>String</code> containing HTML text
* @param transferData an empty <code>TransferData</code> object; this
* object will be filled in on return with the platform specific format of the data
*/
public void javaToNative (Object object, TransferData transferData){
}
/**
* This implementation of <code>nativeToJava</code> converts a platform specific
* representation of HTML text to a java <code>String</code>.
* For additional information see <code>Transfer#nativeToJava</code>.
*
* @param transferData the platform specific representation of the data to be
* been converted
* @return a java <code>String</code> containing HTML text if the
* conversion was successful; otherwise null
*/
public Object nativeToJava(TransferData transferData){
return null;
}
protected String[] getTypeNames(){
return new String[]{TYPENAME1, TYPENAME2};
}
protected int[] getTypeIds(){
return new int[]{TYPEID1, TYPEID2};
}
}
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