annotate servlet/src/digilib/io/ImageFile.java @ 567:70c135bd17aa stream

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author robcast
date Tue, 21 Dec 2010 10:05:54 +0100
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1 /* ImageFile.java -- digilib image file class.
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2
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3 Digital Image Library servlet components
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4
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5 Copyright (C) 2003 Robert Casties (robcast@mail.berlios.de)
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6
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7 This program is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2 of the License, or (at your
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10 option) any later version.
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11
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12 Please read license.txt for the full details. A copy of the GPL
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13 may be found at http://www.gnu.org/copyleft/lgpl.html
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14
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15 You should have received a copy of the GNU General Public License
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16 along with this program; if not, write to the Free Software
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 * Created on 25.02.2003
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20 */
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21
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22 package digilib.io;
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23
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24 import java.io.File;
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25 import java.io.InputStream;
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26
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27 import digilib.image.ImageSize;
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28
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29 /**
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30 * @author casties
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31 */
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32 public class ImageFile implements ImageInput {
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33
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34 // file name
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35 private String filename = null;
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36 // parent ImageFileset
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37 private ImageFileset parent = null;
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38 // parent directory
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39 private Directory dir = null;
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40 // mime file type
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41 private String mimetype = null;
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42 // image size in pixels
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43 private ImageSize pixelSize = null;
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44
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45 public ImageFile(String fn, ImageFileset parent, Directory dir) {
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46 this.filename = fn;
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47 this.parent = parent;
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48 this.dir = dir;
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49 }
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50
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51 public ImageFile(String fn) {
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52 File f = new File(fn);
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53 this.dir = new Directory(f.getParentFile());
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54 this.filename = f.getName();
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55 }
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56
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57
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58 @Override
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59 public boolean hasFile() {
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60 // this is File-based
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61 return true;
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62 }
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63
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64 @Override
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65 public boolean hasStream() {
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66 return false;
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67 }
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68
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69 /** Returns the file name (without path).
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70 *
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71 * @return
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72 */
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73 public String getName() {
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74 return filename;
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75 }
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76
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77
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78 /**
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79 * @return File
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80 */
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81 @Override
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82 public File getFile() {
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83 if (dir == null) {
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84 return null;
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85 }
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86 File f = new File(dir.getDir(), filename);
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87 return f;
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88 }
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89
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90 /* (non-Javadoc)
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91 * @see digilib.io.ImageInput#getSize()
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92 */
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93 @Override
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94 public ImageSize getSize() {
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95 return pixelSize;
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96 }
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97
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98 /* (non-Javadoc)
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99 * @see digilib.io.ImageInput#getMimetype()
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100 */
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101 @Override
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102 public String getMimetype() {
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103 return mimetype;
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104 }
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105
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106 /* (non-Javadoc)
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107 * @see digilib.io.ImageInput#setSize(digilib.image.ImageSize)
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108 */
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109 @Override
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110 public void setSize(ImageSize imageSize) {
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111 this.pixelSize = imageSize;
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112 // pass on to parent
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113 if (this.parent != null) {
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114 this.parent.setAspect(imageSize);
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115 }
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116 }
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117
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118 /* (non-Javadoc)
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119 * @see digilib.io.ImageInput#setMimetype(java.lang.String)
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120 */
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121 @Override
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122 public void setMimetype(String filetype) {
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123 this.mimetype = filetype;
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124 }
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125
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126 /**
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127 * @return ImageFileset
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128 */
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129 public ImageFileset getParent() {
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130 return parent;
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131 }
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132
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133 /**
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134 * Sets the parent.
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135 * @param parent The parent to set
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136 */
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137 public void setParent(ImageFileset parent) {
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138 this.parent = parent;
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139 }
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140
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141 /* (non-Javadoc)
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142 * @see digilib.io.ImageInput#isChecked()
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143 */
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144 @Override
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145 public boolean isChecked() {
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146 return (pixelSize != null);
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147 }
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148
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149 /* (non-Javadoc)
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150 * @see digilib.io.ImageInput#getAspect()
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151 */
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152 @Override
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153 public float getAspect() {
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154 return (pixelSize != null) ? pixelSize.getAspect() : 0;
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155 }
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156
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157 @Override
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158 public InputStream getStream() {
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159 return null;
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160 }
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161
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162 }