Mercurial > hg > digilib-old

annotate servlet/src/digilib/io/ImageFileSet.java @ 588:aee436f0549d stream

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more work on stream input
author robcast
date Thu, 06 Jan 2011 14:37:50 +0100
parents 95417c4615b8
children 69bc69381ac4
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1 /**
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2 *
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3 */
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4 package digilib.io;
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5
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6 import java.io.File;
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7 import java.util.ArrayList;
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8 import java.util.Arrays;
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9 import java.util.Map;
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10
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11 import org.apache.log4j.Logger;
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12
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13 import digilib.io.FileOps.FileClass;
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14
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15 /**
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16 * @author casties
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17 *
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18 */
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19 public class ImageFileSet extends ImageSet implements DocuDirent {
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20
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21 /** this is an image file */
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22 protected static FileClass fileClass = FileClass.IMAGE;
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23 /** the (main) file */
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24 protected File file = null;
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25 /** the file name */
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26 protected String name = null;
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27 /** HashMap with metadata */
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28 protected MetadataMap fileMeta = null;
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29 /** Is the Metadata valid */
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30 protected boolean metaChecked = false;
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31 /** the parent directory */
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32 protected Directory parentDir = null;
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33
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34 /**
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35 * Constructor with a File and Directories.
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36 *
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37 * @param file
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38 * @param scaleDirs
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39 */
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40 public ImageFileSet(File file, Directory[] scaleDirs) {
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41 int nb = scaleDirs.length;
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42 list = new ArrayList<ImageInput>(nb);
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43 // first dir is our parent
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44 parentDir = scaleDirs[0];
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45 this.file = file;
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46 this.name = file.getName();
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47 fill(scaleDirs, file);
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48 }
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49
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50 /* (non-Javadoc)
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51 * @see digilib.io.DocuDirent#getName()
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52 */
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53 public String getName() {
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54 return this.name;
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55 }
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56
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
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57 /* (non-Javadoc)
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58 * @see digilib.io.DocuDirent#getParent()
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59 */
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60 public Directory getParent() {
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61 return this.parentDir;
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62 }
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63
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64 /* (non-Javadoc)
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65 * @see digilib.io.DocuDirent#setParent(digilib.io.Directory)
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66 */
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67 public void setParent(Directory parent) {
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68 this.parentDir = parent;
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69 }
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70
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71 /* (non-Javadoc)
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72 * @see digilib.io.DocuDirent#getFileMeta()
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73 */
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74 public MetadataMap getFileMeta() {
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75 return this.fileMeta;
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76 }
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77
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78 /* (non-Javadoc)
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79 * @see digilib.io.DocuDirent#setFileMeta(digilib.io.MetadataMap)
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80 */
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81 public void setFileMeta(MetadataMap fileMeta) {
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82 this.fileMeta = fileMeta;
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83 }
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84
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85 /* (non-Javadoc)
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86 * @see digilib.io.DocuDirent#isMetaChecked()
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87 */
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88 public boolean isMetaChecked() {
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89 return this.metaChecked;
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90 }
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91
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92 /* (non-Javadoc)
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93 * @see digilib.io.DocuDirent#compareTo(java.lang.Object)
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94 */
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95 public int compareTo(Object arg0) {
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96 if (arg0 instanceof DocuDirent) {
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97 return name.compareTo(((DocuDirent) arg0).getName());
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98 } else {
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99 return getName().compareTo((String) arg0);
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100 }
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101 }
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102
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103 /* (non-Javadoc)
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104 * @see digilib.io.DocuDirent#getFile()
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105 */
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106 public File getFile() {
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107 return file;
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108 }
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109
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110 /**
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111 * Adds an ImageFile to this Fileset.
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112 *
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113 * The files should be added in the order of higher to lower resolutions.
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114 * The first file is considered the hires "original".
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115 *
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116 *
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117 * @param f
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118 * file to add
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119 * @return true (always)
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120 */
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121 public boolean add(ImageInput f) {
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122 f.setParent(this);
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123 return list.add(f);
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124 }
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125
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126 /**
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127 * Fill the ImageSet with files from different base directories.
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128 *
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129 *
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130 * @param dirs
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131 * list of base directories
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132 * @param fl
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133 * file (from first base dir)
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134 * @param hints
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135 *
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136 */
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137 void fill(Directory[] dirs, File fl) {
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138 String fn = fl.getName();
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139 String baseFn = FileOps.basename(fn);
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140 // add the first ImageFile to the ImageSet
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141 add(new ImageFile(fl, this, parentDir));
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142 // iterate the remaining base directories
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143 for (int i = 1; i < dirs.length; ++i) {
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144 Directory dir = dirs[i];
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145 if (dir == null) {
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146 continue;
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147 }
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148 // read the directory
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149 if (dir.getFilenames() == null) {
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150 dir.readDir();
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151 }
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152 String[] dirFiles = dir.getFilenames();
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153 // try the same filename as the original
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154 int fileIdx = Arrays.binarySearch(dirFiles, fn);
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155 if (fileIdx < 0) {
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156 // try closest matches without extension
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157 fileIdx = -fileIdx - 1;
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158 // try idx
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159 if ((fileIdx < dirFiles.length)
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diff changeset
160 && (FileOps.basename(dirFiles[fileIdx]).equals(baseFn))) {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
161 // idx ok
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
162 } else if ((fileIdx > 0)
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
163 && (FileOps.basename(dirFiles[fileIdx - 1])
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
164 .equals(baseFn))) {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
165 // idx-1 ok
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
166 fileIdx = fileIdx - 1;
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
167 } else if ((fileIdx+1 < dirFiles.length)
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
168 && (FileOps.basename(dirFiles[fileIdx + 1])
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
169 .equals(baseFn))) {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
170 // idx+1 ok
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
171 fileIdx = fileIdx + 1;
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
172 } else {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
173 // basename doesn't match
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
174 continue;
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
175 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
176 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
177 if (FileOps.classForFilename(dirFiles[fileIdx]) == fileClass) {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
178 /* logger.debug("adding file " + dirFiles[fileIdx]
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
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parents:
diff changeset
179 + " to Fileset " + this.getName()); */
583
7357ad8f9f42 more ripping apart ImageFileSet
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parents: 582
diff changeset
180 add(new ImageFile(dirFiles[fileIdx], this, dir));
576
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
181 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
182 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
183 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
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parents:
diff changeset
184
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
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parents:
diff changeset
185 /**
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
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parents:
diff changeset
186 * Checks metadata and sets resolution in resX and resY.
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
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parents:
diff changeset
187 *
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
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parents:
diff changeset
188 */
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
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parents:
diff changeset
189 public void checkMeta() {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
190 if (metaChecked) {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
191 return;
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
192 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
193 if (fileMeta == null) {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
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parents:
diff changeset
194 // try to read metadata file
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
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parents:
diff changeset
195 readMeta();
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
196 if (fileMeta == null) {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
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parents:
diff changeset
197 // try directory metadata
583
7357ad8f9f42 more ripping apart ImageFileSet
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parents: 582
diff changeset
198 ((DocuDirectory) parentDir).checkMeta();
7357ad8f9f42 more ripping apart ImageFileSet
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parents: 582
diff changeset
199 if (((DocuDirectory) parentDir).getDirMeta() != null) {
7357ad8f9f42 more ripping apart ImageFileSet
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parents: 582
diff changeset
200 fileMeta = ((DocuDirectory) parentDir).getDirMeta();
576
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
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parents:
diff changeset
201 } else {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
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parents:
diff changeset
202 // try parent directory metadata
583
7357ad8f9f42 more ripping apart ImageFileSet
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parents: 582
diff changeset
203 DocuDirectory gp = (DocuDirectory) parentDir.getParent();
576
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
204 if (gp != null) {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
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parents:
diff changeset
205 gp.checkMeta();
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
206 if (gp.getDirMeta() != null) {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
207 fileMeta = gp.getDirMeta();
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
208 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
209 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
210 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
211 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
212 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
213 if (fileMeta == null) {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
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parents:
diff changeset
214 // no metadata available
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
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parents:
diff changeset
215 metaChecked = true;
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
216 return;
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
217 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
218 metaChecked = true;
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
219 float dpi = 0;
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
220 float dpix = 0;
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
221 float dpiy = 0;
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
222 float sizex = 0;
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
223 float sizey = 0;
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
224 float pixx = 0;
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
225 float pixy = 0;
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
226 // DPI is valid for X and Y
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
227 if (fileMeta.containsKey("original-dpi")) {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
228 try {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
229 dpi = Float.parseFloat((String) fileMeta.get("original-dpi"));
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
230 } catch (NumberFormatException e) {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
231 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
232 if (dpi != 0) {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
233 resX = dpi;
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
234 resY = dpi;
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
235 return;
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
236 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
237 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
238 // DPI-X and DPI-Y
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
239 if (fileMeta.containsKey("original-dpi-x")
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
240 && fileMeta.containsKey("original-dpi-y")) {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
241 try {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
242 dpix = Float.parseFloat((String) fileMeta
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
243 .get("original-dpi-x"));
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
244 dpiy = Float.parseFloat((String) fileMeta
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
245 .get("original-dpi-y"));
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
246 } catch (NumberFormatException e) {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
247 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
248 if ((dpix != 0) && (dpiy != 0)) {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
249 resX = dpix;
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
250 resY = dpiy;
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
251 return;
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
252 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
253 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
254 // SIZE-X and SIZE-Y and PIXEL-X and PIXEL-Y
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
255 if (fileMeta.containsKey("original-size-x")
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
256 && fileMeta.containsKey("original-size-y")
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
257 && fileMeta.containsKey("original-pixel-x")
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
258 && fileMeta.containsKey("original-pixel-y")) {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
259 try {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
260 sizex = Float.parseFloat((String) fileMeta
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
261 .get("original-size-x"));
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
262 sizey = Float.parseFloat((String) fileMeta
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
263 .get("original-size-y"));
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
264 pixx = Float.parseFloat((String) fileMeta
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
265 .get("original-pixel-x"));
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
266 pixy = Float.parseFloat((String) fileMeta
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
267 .get("original-pixel-y"));
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
268 } catch (NumberFormatException e) {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
269 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
270 if ((sizex != 0) && (sizey != 0) && (pixx != 0) && (pixy != 0)) {
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
271 resX = pixx / (sizex * 100 / 2.54f);
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
272 resY = pixy / (sizey * 100 / 2.54f);
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
273 return;
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
274 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
275 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
276 }
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
277
582
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
278 /* (non-Javadoc)
c7034d166a24 more ripping apart ImageFileSet
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parents: 581
diff changeset
279 * @see digilib.io.DocuDirent#readMeta()
c7034d166a24 more ripping apart ImageFileSet
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parents: 581
diff changeset
280 */
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
281 public void readMeta() {
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
282 if ((fileMeta != null) || (file == null)) {
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
283 // there is already metadata or there is no file
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
284 return;
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
285 }
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
286 // metadata is in the file {filename}.meta
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
287 String fn = file.getAbsolutePath();
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
288 File mf = new File(fn + ".meta");
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
289 if (mf.canRead()) {
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
290 XMLMetaLoader ml = new XMLMetaLoader();
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
291 try {
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
292 // read meta file
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
293 Map<String, MetadataMap> meta = ml.loadURL(mf.getAbsolutePath());
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
294 if (meta == null) {
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
295 return;
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
296 }
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
297 fileMeta = meta.get(name);
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
298 } catch (Exception e) {
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
299 Logger.getLogger(this.getClass()).warn("error reading file .meta", e);
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
300 }
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
301 }
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
302 }
c7034d166a24 more ripping apart ImageFileSet
robcast
parents: 581
diff changeset
303
576
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
304
dad720e9b12b try: DocuDirent as interface, ImageFile inherits from ImageInput and implements DocuDirent
robcast
parents:
diff changeset
305 }