Mercurial > hg > digilib-old
annotate servlet/src/main/java/digilib/io/ImageInput.java @ 892:ba1eb2d821a2 mvnify
rearrange sources to maven directory standard
| author | robcast |
|---|---|
| date | Tue, 19 Apr 2011 18:44:25 +0200 |
| parents | servlet/src/digilib/io/ImageInput.java@a630d0303cce |
| children |
| rev | line source |
|---|---|
| 566 | 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 | |
| 587 | 24 import java.io.File; |
| 588 | 25 import java.io.InputStream; |
| 566 | 26 |
| 587 | 27 import javax.imageio.stream.ImageInputStream; |
| 28 | |
| 596 | 29 import digilib.util.ImageSize; |
| 566 | 30 |
| 568 | 31 public abstract class ImageInput { |
| 32 | |
| 33 // mime file type | |
| 34 protected String mimetype = null; | |
| 35 // image size in pixels | |
| 36 protected ImageSize pixelSize = null; | |
| 588 | 37 protected ImageSet parent = null; |
| 568 | 38 |
| 566 | 39 /** |
| 40 * @return ImageSize | |
| 41 */ | |
| 568 | 42 public ImageSize getSize() { |
| 43 return pixelSize; | |
| 44 } | |
| 566 | 45 |
| 46 /** | |
| 47 * Sets the imageSize. | |
| 48 * @param imageSize The imageSize to set | |
| 49 */ | |
| 568 | 50 public void setSize(ImageSize imageSize) { |
| 51 this.pixelSize = imageSize; | |
| 52 } | |
| 53 | |
|
819
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
596
diff
changeset
|
54 /** returns if mimetype has been set. |
|
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
596
diff
changeset
|
55 * |
|
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
596
diff
changeset
|
56 * @return String |
|
579
efd7a223f819
try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents:
574
diff
changeset
|
57 */ |
|
819
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
596
diff
changeset
|
58 public boolean hasMimetype() { |
|
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
596
diff
changeset
|
59 return (mimetype != null); |
|
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
596
diff
changeset
|
60 } |
|
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
596
diff
changeset
|
61 |
|
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
596
diff
changeset
|
62 /** |
| 568 | 63 * @return String |
| 64 */ | |
| 65 public String getMimetype() { | |
| 66 return mimetype; | |
| 67 } | |
| 566 | 68 |
| 69 /** | |
| 70 * Sets the mimetype. | |
| 71 * @param mimetype The mimetype to set | |
| 72 */ | |
| 568 | 73 public void setMimetype(String filetype) { |
| 74 this.mimetype = filetype; | |
| 75 } | |
| 566 | 76 |
| 77 /** returns if this image has been checked | |
| 581 | 78 * (i.e. has size and mimetype) |
| 79 * TODO: deprecated | |
| 566 | 80 * @return boolean |
| 81 */ | |
| 568 | 82 public boolean isChecked() { |
| 83 return (pixelSize != null); | |
| 84 } | |
| 85 | |
| 566 | 86 /** Returns the aspect ratio of the image (width/height). |
| 87 * | |
| 88 * @return | |
| 89 */ | |
| 568 | 90 public float getAspect() { |
| 585 | 91 return (pixelSize != null) ? pixelSize.getAspect() : 0f; |
| 568 | 92 } |
| 566 | 93 |
| 588 | 94 /** |
| 95 * @return ImageSet | |
|
579
efd7a223f819
try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents:
574
diff
changeset
|
96 */ |
| 588 | 97 public ImageSet getParent() { |
| 98 return parent; | |
| 99 } | |
| 100 | |
| 101 /** | |
| 102 * Sets the parent. | |
| 103 * @param parent The parent to set | |
| 104 */ | |
| 105 public void setParent(ImageSet parent) { | |
| 106 this.parent = parent; | |
| 107 } | |
| 108 | |
| 109 /** Returns if the input can be returned as ImageInputStream. | |
| 587 | 110 * |
| 111 * @return | |
| 112 */ | |
| 113 public boolean hasImageInputStream() { | |
| 114 return false; | |
| 568 | 115 } |
| 566 | 116 |
| 587 | 117 /** Returns the input as ImageInputStream (if available) |
| 118 * | |
| 119 * @return | |
| 120 */ | |
| 121 public ImageInputStream getImageInputStream() { | |
| 122 return null; | |
| 123 } | |
| 124 | |
| 588 | 125 /** Returns if the input can be returned as InputStream. |
| 126 * | |
| 127 * @return | |
| 128 */ | |
| 129 public boolean hasInputStream() { | |
| 130 return false; | |
| 131 } | |
| 132 | |
| 133 /** Returns the input as InputStream (if available) | |
| 134 * | |
| 135 * @return | |
| 136 */ | |
| 137 public InputStream getInputStream() { | |
| 138 return null; | |
| 139 } | |
| 140 | |
| 587 | 141 /** Returns if the input can be returned as File. |
| 142 * | |
| 143 * @return | |
| 144 */ | |
| 145 public boolean hasFile() { | |
| 146 return false; | |
| 147 } | |
| 148 | |
| 149 /** Returns the input as File (if available) | |
| 150 * | |
| 151 * @return | |
| 152 */ | |
| 153 public File getFile() { | |
| 154 return null; | |
| 155 } | |
| 588 | 156 |
| 587 | 157 |
| 158 | |
| 566 | 159 } |