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comparison servlet/src/digilib/io/ImageInput.java @ 566:50f291d808b1 digilibPDF

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starting stream support
author robcast
date Mon, 20 Dec 2010 11:57:55 +0100
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children 34701340922e
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565:8beefd1142b2 566:50f291d808b1
1 /* ImageInput-- digilib image input interface.
2
3 Digital Image Library servlet components
4
5 Copyright (C) 2010 Robert Casties (robcast@mail.berlios.de)
6
7 This program is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published by the
9 Free Software Foundation; either version 2 of the License, or (at your
10 option) any later version.
11
12 Please read license.txt for the full details. A copy of the GPL
13 may be found at http://www.gnu.org/copyleft/lgpl.html
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
19 * Created on 20.12.2010
20 */
21
22 package digilib.io;
23
24 import java.io.File;
25 import java.io.InputStream;
26
27 import digilib.image.ImageSize;
28
29 public interface ImageInput {
30
31 /**
32 * @return ImageSize
33 */
34 public abstract ImageSize getSize();
35
36 /**
37 * @return String
38 */
39 public abstract String getMimetype();
40
41 /**
42 * Sets the imageSize.
43 * @param imageSize The imageSize to set
44 */
45 public abstract void setSize(ImageSize imageSize);
46
47 /**
48 * Sets the mimetype.
49 * @param mimetype The mimetype to set
50 */
51 public abstract void setMimetype(String filetype);
52
53 /** returns if this image has been checked
54 * (i.e. has size and mimetype)
55 * @return boolean
56 */
57 public abstract boolean isChecked();
58
59 /** Returns the aspect ratio of the image (width/height).
60 *
61 * @return
62 */
63 public abstract float getAspect();
64
65 /** Returns if this ImageInput is File-based.
66 * @return
67 */
68 public abstract boolean hasFile();
69
70 /** Returns the underlying File (if applicable)
71 *
72 * @return
73 */
74 public abstract File getFile();
75
76 /** Returns the underlying Stream (if applicable)
77 *
78 * @return
79 */
80 public abstract InputStream getStream();
81
82 /** Returns if this ImageInput is Stream-based.
83 * @return
84 */
85 public abstract boolean hasStream();
86
87 }