2
* This file is part of the SUB Commons project.
3
* Visit the websites for more information.
4
* - http://gdz.sub.uni-goettingen.de
6
* Copyright 2009, Center for Retrospective Digitization, Göttingen (GDZ),
8
* Licensed under the Apache License, Version 2.0 (the “License”);
9
* you may not use this file except in compliance with the License.
10
* You may obtain a copy of the License at
12
* http://www.apache.org/licenses/LICENSE-2.0
14
* Unless required by applicable law or agreed to in writing, software
15
* distributed under the License is distributed on an “AS IS” BASIS,
16
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17
* See the License for the specific language governing permissions and
18
* limitations under the License.
20
package de.unigoettingen.sub.commons.util.datasource;
22
import java.io.IOException;
23
import java.util.List;
27
* The Interface ImageSource.
29
public interface ImageSource extends DataSource {
34
* @param pageNr the page nr
38
* @throws IOException Signals that an I/O exception has occurred.
40
abstract Image getImage (Integer pageNr) throws IOException;
47
* @throws IOException Signals that an I/O exception has occurred.
49
abstract List<? extends Image> getImageList () throws IOException;
56
* @throws IOException Signals that an I/O exception has occurred.
58
abstract Map<Integer, ? extends Image> getImageMap () throws IOException;
61
* Gets the number of pages.
63
* @return the number of pages
65
abstract Integer getNumberOfPages ();