/*
* Copyright 2006-2017 ICEsoft Technologies Canada Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an "AS
* IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/
package org.icepdf.core;
import org.icepdf.core.pobjects.Document;
/**
* Security callback.
* An application that uses ICEpdf can provide it with the callback.
* This will allow the document class to ask an application for security related
* resources.
*
* @since 1.1
*/
public interface SecurityCallback {
/**
* This method is called when a security manager needs to receive a
* password for opening an encrypted PDF document.
*
* @param document document being opened.
* @return received password.
*/
public String requestPassword(Document document);
}