// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

// IFileInputValidator

//

package com.symbian.smt.gui.smtwidgets;

import org.eclipse.jface.dialogs.IInputValidator;

/**

 * This is an extension of the IInputValidator interface which caters for

 * validation of local files and URLs.

 * <p>

 * While isValid() is invoked dynamically as the user types his input (as per

 * the standard IInputValidator interface), the methods

 * <code>isFileReadable()</code> and <code>isUrlResourceReadable</code> defined

 * by this interface are invoked when the user presses the dialog's OK button,

 * as these operations may take longer to execute.

 * <p>

 * The third method, <code>isUrl()</code>, is a utility method that determines

 * whether a given String is a URL or a simple file path.

 * 

 * @author barbararosi-schwartz

 * 

 */

public interface IFileInputValidator extends IInputValidator {

	// The unconventional method signature follows the pattern of 

	// IInputValidator's isValid() method.

	public String isFileReadable(String filePath);

	// The unconventional method signature follows the pattern of 

	// IInputValidator's isValid() method.

	public boolean isUrl(String filePath) throws InvalidPathException;

	// The unconventional method signature follows the pattern of 

	// IInputValidator's isValid() method.

	public String isUrlResourceReadable(String urlPath);

}