1 | /*
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2 | * Copyright 2002-2015 Drew Noakes
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3 | *
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4 | * Licensed under the Apache License, Version 2.0 (the "License");
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5 | * you may not use this file except in compliance with the License.
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6 | * You may obtain a copy of the License at
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7 | *
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8 | * http://www.apache.org/licenses/LICENSE-2.0
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9 | *
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10 | * Unless required by applicable law or agreed to in writing, software
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11 | * distributed under the License is distributed on an "AS IS" BASIS,
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 | * See the License for the specific language governing permissions and
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14 | * limitations under the License.
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15 | *
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16 | * More information about this project is available at:
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17 | *
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18 | * https://drewnoakes.com/code/exif/
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19 | * https://github.com/drewnoakes/metadata-extractor
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20 | */
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21 | package com.drew.metadata.tiff;
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22 |
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23 | import com.drew.imaging.tiff.TiffHandler;
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24 | import com.drew.lang.Rational;
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25 | import com.drew.lang.annotations.NotNull;
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26 | import com.drew.metadata.Directory;
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27 | import com.drew.metadata.Metadata;
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28 |
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29 | import java.util.Stack;
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30 |
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31 | /**
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32 | * Adapter between the {@link TiffHandler} interface and the {@link Metadata}/{@link Directory} object model.
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33 | *
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34 | * @author Drew Noakes https://drewnoakes.com
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35 | */
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36 | public abstract class DirectoryTiffHandler implements TiffHandler
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37 | {
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38 | private final Stack<Directory> _directoryStack = new Stack<Directory>();
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39 |
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40 | protected Directory _currentDirectory;
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41 | protected final Metadata _metadata;
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42 |
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43 | protected DirectoryTiffHandler(Metadata metadata, Class<? extends Directory> initialDirectory)
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44 | {
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45 | _metadata = metadata;
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46 | _currentDirectory = _metadata.getOrCreateDirectory(initialDirectory);
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47 | }
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48 |
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49 | public void endingIFD()
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50 | {
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51 | _currentDirectory = _directoryStack.empty() ? null : _directoryStack.pop();
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52 | }
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53 |
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54 | protected void pushDirectory(@NotNull Class<? extends Directory> directoryClass)
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55 | {
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56 | assert(directoryClass != _currentDirectory.getClass());
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57 | _directoryStack.push(_currentDirectory);
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58 | _currentDirectory = _metadata.getOrCreateDirectory(directoryClass);
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59 | }
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60 |
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61 | public void warn(@NotNull String message)
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62 | {
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63 | _currentDirectory.addError(message);
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64 | }
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65 |
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66 | public void error(@NotNull String message)
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67 | {
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68 | _currentDirectory.addError(message);
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69 | }
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70 |
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71 | public void setByteArray(int tagId, @NotNull byte[] bytes)
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72 | {
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73 | _currentDirectory.setByteArray(tagId, bytes);
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74 | }
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75 |
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76 | public void setString(int tagId, @NotNull String string)
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77 | {
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78 | _currentDirectory.setString(tagId, string);
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79 | }
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80 |
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81 | public void setRational(int tagId, @NotNull Rational rational)
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82 | {
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83 | _currentDirectory.setRational(tagId, rational);
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84 | }
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85 |
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86 | public void setRationalArray(int tagId, @NotNull Rational[] array)
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87 | {
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88 | _currentDirectory.setRationalArray(tagId, array);
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89 | }
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90 |
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91 | public void setFloat(int tagId, float float32)
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92 | {
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93 | _currentDirectory.setFloat(tagId, float32);
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94 | }
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95 |
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96 | public void setFloatArray(int tagId, @NotNull float[] array)
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97 | {
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98 | _currentDirectory.setFloatArray(tagId, array);
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99 | }
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100 |
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101 | public void setDouble(int tagId, double double64)
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102 | {
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103 | _currentDirectory.setDouble(tagId, double64);
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104 | }
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105 |
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106 | public void setDoubleArray(int tagId, @NotNull double[] array)
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107 | {
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108 | _currentDirectory.setDoubleArray(tagId, array);
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109 | }
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110 |
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111 | public void setInt8s(int tagId, byte int8s)
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112 | {
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113 | // NOTE Directory stores all integral types as int32s, except for int32u and long
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114 | _currentDirectory.setInt(tagId, int8s);
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115 | }
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116 |
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117 | public void setInt8sArray(int tagId, @NotNull byte[] array)
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118 | {
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119 | // NOTE Directory stores all integral types as int32s, except for int32u and long
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120 | _currentDirectory.setByteArray(tagId, array);
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121 | }
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122 |
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123 | public void setInt8u(int tagId, short int8u)
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124 | {
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125 | // NOTE Directory stores all integral types as int32s, except for int32u and long
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126 | _currentDirectory.setInt(tagId, int8u);
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127 | }
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128 |
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129 | public void setInt8uArray(int tagId, @NotNull short[] array)
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130 | {
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131 | // TODO create and use a proper setter for short[]
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132 | _currentDirectory.setObjectArray(tagId, array);
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133 | }
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134 |
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135 | public void setInt16s(int tagId, int int16s)
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136 | {
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137 | // TODO create and use a proper setter for int16u?
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138 | _currentDirectory.setInt(tagId, int16s);
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139 | }
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140 |
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141 | public void setInt16sArray(int tagId, @NotNull short[] array)
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142 | {
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143 | // TODO create and use a proper setter for short[]
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144 | _currentDirectory.setObjectArray(tagId, array);
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145 | }
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146 |
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147 | public void setInt16u(int tagId, int int16u)
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148 | {
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149 | // TODO create and use a proper setter for
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150 | _currentDirectory.setInt(tagId, int16u);
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151 | }
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152 |
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153 | public void setInt16uArray(int tagId, @NotNull int[] array)
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154 | {
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155 | // TODO create and use a proper setter for short[]
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156 | _currentDirectory.setObjectArray(tagId, array);
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157 | }
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158 |
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159 | public void setInt32s(int tagId, int int32s)
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160 | {
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161 | _currentDirectory.setInt(tagId, int32s);
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162 | }
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163 |
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164 | public void setInt32sArray(int tagId, @NotNull int[] array)
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165 | {
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166 | _currentDirectory.setIntArray(tagId, array);
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167 | }
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168 |
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169 | public void setInt32u(int tagId, long int32u)
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170 | {
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171 | _currentDirectory.setLong(tagId, int32u);
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172 | }
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173 |
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174 | public void setInt32uArray(int tagId, @NotNull long[] array)
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175 | {
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176 | // TODO create and use a proper setter for short[]
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177 | _currentDirectory.setObjectArray(tagId, array);
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178 | }
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179 | }
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