Mercurial > hg > digilib-old

annotate servlet/src/digilib/io/ImageFile.java @ 579:efd7a223f819 stream

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
author robcast
date Wed, 22 Dec 2010 19:17:52 +0100
parents 790cbfb58b52
children f210731dc6cc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
159
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
1 /* ImageFile.java -- digilib image file class.
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
2
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
3 Digital Image Library servlet components
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
4
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
5 Copyright (C) 2003 Robert Casties (robcast@mail.berlios.de)
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
6
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
7 This program is free software; you can redistribute it and/or modify it
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
8 under the terms of the GNU General Public License as published by the
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
9 Free Software Foundation; either version 2 of the License, or (at your
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
10 option) any later version.
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
11
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
12 Please read license.txt for the full details. A copy of the GPL
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
13 may be found at http://www.gnu.org/copyleft/lgpl.html
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
14
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
15 You should have received a copy of the GNU General Public License
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
16 along with this program; if not, write to the Free Software
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
18
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
19 * Created on 25.02.2003
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
20 */
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
21
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
22 package digilib.io;
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
23
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
24 import java.io.File;
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
25
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
26 import digilib.image.ImageSize;
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
27
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
28 /**
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
29 * @author casties
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
30 */
579
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
31 public class ImageFile extends DocuDirent implements ImageInput {
159
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
32
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
33 // file name
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
34 private String filename = null;
574
790cbfb58b52 ripping apart ImageFileSet
robcast
parents: 568
diff changeset
35 // parent ImageSet
790cbfb58b52 ripping apart ImageFileSet
robcast
parents: 568
diff changeset
36 private ImageSet parent = null;
159
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
37 // parent directory
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
38 private Directory dir = null;
579
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
39 // mime file type
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
40 protected String mimetype = null;
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
41 // image size in pixels
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
42 protected ImageSize pixelSize = null;
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
43
159
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
44
574
790cbfb58b52 ripping apart ImageFileSet
robcast
parents: 568
diff changeset
45 public ImageFile(String fn, ImageSet parent, Directory dir) {
159
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
46 this.filename = fn;
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
47 this.parent = parent;
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
48 this.dir = dir;
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
49 }
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
50
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
51 public ImageFile(String fn) {
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
52 File f = new File(fn);
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
53 this.dir = new Directory(f.getParentFile());
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
54 this.filename = f.getName();
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
55 }
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
56
566
50f291d808b1 starting stream support
robcast
parents: 463
diff changeset
57
159
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
58 /** Returns the file name (without path).
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
59 *
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
60 * @return
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
61 */
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
62 public String getName() {
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
63 return filename;
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
64 }
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
65
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
66
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
67 /**
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
68 * @return File
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
69 */
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
70 public File getFile() {
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
71 if (dir == null) {
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
72 return null;
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
73 }
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
74 File f = new File(dir.getDir(), filename);
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
75 return f;
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
76 }
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
77
566
50f291d808b1 starting stream support
robcast
parents: 463
diff changeset
78 /* (non-Javadoc)
568
34701340922e more starting stream support
robcast
parents: 566
diff changeset
79 * @see digilib.io.ImageInput#setSize(digilib.image.ImageSize)
159
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
80 */
568
34701340922e more starting stream support
robcast
parents: 566
diff changeset
81 public void setSize(ImageSize imageSize) {
34701340922e more starting stream support
robcast
parents: 566
diff changeset
82 this.pixelSize = imageSize;
34701340922e more starting stream support
robcast
parents: 566
diff changeset
83 // pass on to parent
34701340922e more starting stream support
robcast
parents: 566
diff changeset
84 if (this.parent != null) {
34701340922e more starting stream support
robcast
parents: 566
diff changeset
85 this.parent.setAspect(imageSize);
34701340922e more starting stream support
robcast
parents: 566
diff changeset
86 }
566
50f291d808b1 starting stream support
robcast
parents: 463
diff changeset
87 }
579
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
88 /* (non-Javadoc)
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
89 * @see digilib.io.ImageInput#getSize()
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
90 */
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
91 public ImageSize getSize() {
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
92 return pixelSize;
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
93 }
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
94
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
95 /* (non-Javadoc)
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
96 * @see digilib.io.ImageInput#getMimetype()
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
97 */
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
98 public String getMimetype() {
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
99 return mimetype;
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
100 }
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
101
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
102 /* (non-Javadoc)
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
103 * @see digilib.io.ImageInput#setMimetype(java.lang.String)
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
104 */
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
105 public void setMimetype(String filetype) {
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
106 this.mimetype = filetype;
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
107 }
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
108
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
109 /* (non-Javadoc)
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
110 * @see digilib.io.ImageInput#isChecked()
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
111 */
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
112 public boolean isChecked() {
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
113 return (pixelSize != null);
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
114 }
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
115
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
116 /* (non-Javadoc)
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
117 * @see digilib.io.ImageInput#getAspect()
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
118 */
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
119 public float getAspect() {
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
120 return (pixelSize != null) ? pixelSize.getAspect() : 0;
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
121 }
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
122
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
123 @Override
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
124 public ImageSet getParentSet() {
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
125 // TODO Auto-generated method stub
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
126 return null;
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
127 }
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
128
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
129 @Override
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
130 public void setParentSet(ImageSet parent) {
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
131 // TODO Auto-generated method stub
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
132
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
133 }
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
134
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
135 @Override
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
136 public void checkMeta() {
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
137 // TODO Auto-generated method stub
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
138
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
139 }
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
140
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
141 @Override
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
142 public File getInput() {
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
143 // TODO Auto-generated method stub
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
144 return null;
efd7a223f819 try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents: 574
diff changeset
145 }
566
50f291d808b1 starting stream support
robcast
parents: 463
diff changeset
146
159
e743b853efca servlet version 1.16a4
robcast
parents:
diff changeset
147 }