1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.io;
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3 |
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4 | import static org.junit.Assert.assertEquals;
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5 | import static org.junit.Assert.fail;
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6 |
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7 | import java.util.Arrays;
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8 |
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9 | import org.junit.Rule;
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10 | import org.junit.Test;
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11 | import org.openstreetmap.josm.data.coor.LatLon;
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12 | import org.openstreetmap.josm.data.osm.Changeset;
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13 | import org.openstreetmap.josm.data.osm.Node;
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14 | import org.openstreetmap.josm.testutils.JOSMTestRules;
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15 | import org.openstreetmap.josm.tools.Logging;
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16 |
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17 | import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
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18 |
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19 | /**
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20 | * Unit tests of {@link OsmChangeBuilder}
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21 | */
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22 | public class OsmChangeBuilderTest {
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23 |
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24 | /**
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25 | * Setup rule
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26 | */
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27 | @Rule
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28 | @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
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29 | public JOSMTestRules test = new JOSMTestRules();
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30 |
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31 | private static void shouldFail(Runnable r) {
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32 | try {
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33 | r.run();
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34 | fail("should throw exception");
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35 | } catch (IllegalStateException e) {
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36 | Logging.trace(e);
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37 | }
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38 | }
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39 |
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40 | /**
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41 | * Test various constructor invocations
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42 | */
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43 | @Test
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44 | public void testConstructor() {
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45 | Changeset cs = new Changeset(1);
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46 | // should not fail
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47 | new OsmChangeBuilder(cs);
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48 | new OsmChangeBuilder(null);
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49 | new OsmChangeBuilder(cs, "0.5");
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50 | new OsmChangeBuilder(cs, null);
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51 | new OsmChangeBuilder(null, null);
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52 | }
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53 |
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54 | /**
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55 | * Test the sequence of method calls. Should throw IllegalStateException if
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56 | * the protocol start(),append()*, finish() is violated.
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57 | */
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58 | @Test
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59 | public void testSequenceOfMethodCalls() {
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60 | Changeset cs = new Changeset(1);
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61 | OsmChangeBuilder csBuilder = new OsmChangeBuilder(cs);
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62 |
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63 | // should be OK
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64 | csBuilder.start();
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65 | Node n = new Node(LatLon.ZERO);
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66 | csBuilder.append(n);
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67 | csBuilder.finish();
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68 |
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69 | shouldFail(() -> {
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70 | OsmChangeBuilder builder = new OsmChangeBuilder(cs);
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71 | builder.append(n);
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72 | });
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73 |
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74 | shouldFail(() -> {
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75 | OsmChangeBuilder builder = new OsmChangeBuilder(cs);
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76 | builder.append(Arrays.asList(n));
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77 | });
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78 |
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79 | shouldFail(() -> {
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80 | OsmChangeBuilder builder = new OsmChangeBuilder(cs);
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81 | builder.finish();
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82 | });
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83 |
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84 | shouldFail(() -> {
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85 | OsmChangeBuilder builder = new OsmChangeBuilder(cs);
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86 | builder.start();
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87 | builder.start();
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88 | });
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89 | }
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90 |
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91 | /**
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92 | * Test building a document with a new node
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93 | */
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94 | @Test
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95 | public void testDocumentWithNewNode() {
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96 | Changeset cs = new Changeset(1);
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97 | OsmChangeBuilder builder = new OsmChangeBuilder(cs);
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98 | Node n = new Node(LatLon.ZERO);
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99 |
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100 | builder.start();
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101 | builder.append(n);
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102 | builder.finish();
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103 |
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104 | assertEquals(String.format(
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105 | "<osmChange version=\"0.6\" generator=\"JOSM\">%n" +
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106 | "<create>%n" +
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107 | " <node id='" + n.getUniqueId() + "' changeset='1' lat='0.0' lon='0.0' />%n" +
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108 | "</create>%n" +
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109 | "</osmChange>%n"), builder.getDocument());
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110 | }
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111 |
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112 | /**
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113 | * Test building a document with a modified node
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114 | */
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115 | @Test
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116 | public void testDocumentWithModifiedNode() {
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117 | Changeset cs = new Changeset(1);
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118 | OsmChangeBuilder builder = new OsmChangeBuilder(cs);
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119 | Node n = new Node(LatLon.ZERO);
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120 | n.setOsmId(1, 1);
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121 | n.setModified(true);
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122 |
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123 | builder.start();
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124 | builder.append(n);
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125 | builder.finish();
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126 |
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127 | assertEquals(String.format(
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128 | "<osmChange version=\"0.6\" generator=\"JOSM\">%n" +
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129 | "<modify>%n" +
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130 | " <node id='1' version='1' changeset='1' lat='0.0' lon='0.0' />%n" +
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131 | "</modify>%n" +
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132 | "</osmChange>%n"), builder.getDocument());
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133 | }
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134 |
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135 | /**
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136 | * Test building a document with a deleted node
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137 | */
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138 | @Test
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139 | public void testDocumentWithDeletedNode() {
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140 | Changeset cs = new Changeset(1);
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141 | OsmChangeBuilder builder = new OsmChangeBuilder(cs);
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142 | Node n = new Node(LatLon.ZERO);
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143 | n.setOsmId(1, 1);
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144 | n.setDeleted(true);
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145 |
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146 | builder.start();
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147 | builder.append(n);
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148 | builder.finish();
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149 |
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150 | assertEquals(String.format(
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151 | "<osmChange version=\"0.6\" generator=\"JOSM\">%n" +
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152 | "<delete>%n" +
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153 | " <node id='1' version='1' changeset='1'/>%n" +
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154 | "</delete>%n" +
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155 | "</osmChange>%n"), builder.getDocument());
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156 | }
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157 |
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158 | /**
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159 | * Test building a mixed document.
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160 | */
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161 | @Test
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162 | public void testMixed() {
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163 | Changeset cs = new Changeset(1);
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164 | OsmChangeBuilder builder = new OsmChangeBuilder(cs);
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165 | Node n1 = new Node(LatLon.ZERO);
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166 | n1.setOsmId(1, 1);
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167 | n1.setDeleted(true);
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168 |
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169 | Node n2 = new Node(LatLon.ZERO);
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170 |
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171 | Node n3 = new Node(LatLon.ZERO);
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172 | n3.setOsmId(2, 1);
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173 | n3.setModified(true);
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174 |
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175 | builder.start();
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176 | builder.append(Arrays.asList(n1, n2, n3));
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177 | builder.finish();
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178 |
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179 | assertEquals(String.format(
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180 | "<osmChange version=\"0.6\" generator=\"JOSM\">%n" +
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181 | "<delete>%n" +
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182 | " <node id='1' version='1' changeset='1'/>%n" +
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183 | "</delete>%n" +
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184 | "<create>%n" +
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185 | " <node id='" + n2.getUniqueId() + "' changeset='1' lat='0.0' lon='0.0' />%n" +
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186 | "</create>%n" +
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187 | "<modify>%n" +
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188 | " <node id='2' version='1' changeset='1' lat='0.0' lon='0.0' />%n" +
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189 | "</modify>%n" +
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190 | "</osmChange>%n"), builder.getDocument());
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191 | }
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192 | }
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