svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.file / org.gvsig.fmap.dal.file.shp / src / main / java / org / gvsig / fmap / dal / store / shp / SHPFilesystemServerProvider.java @ 44669
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40559 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | 40435 | jjdelcerro | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | 40559 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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9 | 40435 | jjdelcerro | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | 40559 | jjdelcerro | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | 40435 | jjdelcerro | */
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24 | package org.gvsig.fmap.dal.store.shp; |
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25 | |||
26 | import java.io.File; |
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27 | import java.io.IOException; |
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28 | |||
29 | import org.gvsig.fmap.dal.DALLocator; |
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30 | import org.gvsig.fmap.dal.DataManager; |
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31 | import org.gvsig.fmap.dal.DataServerExplorer; |
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32 | import org.gvsig.fmap.dal.DataStore; |
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33 | import org.gvsig.fmap.dal.DataStoreParameters; |
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34 | import org.gvsig.fmap.dal.NewDataStoreParameters; |
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35 | import org.gvsig.fmap.dal.exception.CreateException; |
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36 | import org.gvsig.fmap.dal.exception.DataException; |
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37 | import org.gvsig.fmap.dal.exception.InitializeException; |
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38 | import org.gvsig.fmap.dal.exception.RemoveException; |
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39 | import org.gvsig.fmap.dal.feature.EditableFeatureAttributeDescriptor; |
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40 | import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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41 | import org.gvsig.fmap.dal.resource.ResourceAction; |
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42 | import org.gvsig.fmap.dal.resource.exception.ResourceNotifyChangesException; |
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43 | import org.gvsig.fmap.dal.resource.file.FileResource; |
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44 | import org.gvsig.fmap.dal.resource.spi.MultiResource; |
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45 | import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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46 | import org.gvsig.fmap.dal.serverexplorer.filesystem.AbsolutePathRequiredException; |
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47 | import org.gvsig.fmap.dal.store.dbf.DBFFilesystemServerProvider; |
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48 | |||
49 | /**
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50 | * @author jmvivo
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51 | 42191 | fdiaz | *
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52 | 40435 | jjdelcerro | */
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53 | public class SHPFilesystemServerProvider extends DBFFilesystemServerProvider { |
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54 | |||
55 | public boolean accept(File pathname) { |
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56 | return pathname.getName().toLowerCase().endsWith(".shp"); |
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57 | } |
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58 | 42191 | fdiaz | |
59 | 40435 | jjdelcerro | public int getMode() { |
60 | return DataServerExplorer.MODE_GEOMETRY|DataServerExplorer.MODE_FEATURE;
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61 | } |
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62 | 42191 | fdiaz | |
63 | 40435 | jjdelcerro | public boolean canCreate() { |
64 | return true; |
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65 | } |
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66 | |||
67 | // private FileResource[] createResources(File[] files)
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68 | // throws InitializeException {
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69 | // FileResource[] result = new FileResource[files.length];
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70 | // for (int i = 0; i < files.length; i++) {
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71 | // result[i] = this.createResource(files[i]);
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72 | // }
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73 | //
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74 | // return result;
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75 | // }
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76 | |||
77 | private ResourceProvider createResource(File shpFile, File[] otherFiles) |
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78 | throws InitializeException {
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79 | |||
80 | Object[] shpParams = new Object[] { shpFile.getAbsolutePath() }; |
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81 | |||
82 | MultiResource resource = |
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83 | (MultiResource) serverExplorer.getServerExplorerProviderServices() |
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84 | .createResource(MultiResource.TYPE_NAME, shpParams); |
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85 | |||
86 | resource.addResource(FileResource.NAME, shpParams, true);
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87 | |||
88 | for (int i = 0; i < otherFiles.length; i++) { |
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89 | resource.addResource(FileResource.NAME, |
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90 | new Object[] { otherFiles[i].getAbsolutePath() }, false); |
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91 | } |
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92 | |||
93 | resource.addConsumer(this);
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94 | return resource;
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95 | } |
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96 | |||
97 | // private FileResource createResource(File file) throws InitializeException
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98 | // {
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99 | // FileResource resource;
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100 | // resource =
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101 | // (FileResource) this.serverExplorer.getServerExplorerProviderServices()
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102 | // .createResource(FileResource.NAME,
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103 | // new Object[] { file.getAbsolutePath() });
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104 | // resource.addConsumer(this);
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105 | // return resource;
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106 | // }
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107 | |||
108 | public boolean canCreate(NewDataStoreParameters parameters) { |
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109 | if (!super.canCreate(parameters)) { |
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110 | return false; |
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111 | } |
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112 | SHPNewStoreParameters params = (SHPNewStoreParameters) parameters; |
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113 | if (params.getSHPFile().getParentFile().canWrite()) {
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114 | return false; |
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115 | } |
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116 | if (params.getSHPFile().exists()) {
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117 | if (!params.getSHPFile().canWrite()) {
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118 | return false; |
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119 | } |
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120 | } |
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121 | if (params.getSHXFile().getParentFile().canWrite()) {
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122 | return false; |
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123 | } |
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124 | if (params.getSHXFile().exists()) {
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125 | if (!params.getSHXFile().canWrite()) {
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126 | return false; |
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127 | } |
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128 | } |
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129 | return true; |
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130 | } |
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131 | |||
132 | public boolean closeResourceRequested(ResourceProvider resource) { |
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133 | // while it is using a resource anyone can't close it
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134 | return false; |
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135 | } |
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136 | |||
137 | public void create(NewDataStoreParameters parameters, boolean overwrite) |
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138 | throws CreateException {
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139 | |||
140 | final SHPNewStoreParameters params = (SHPNewStoreParameters) parameters;
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141 | 41637 | jjdelcerro | final EditableFeatureType fType = params.getDefaultFeatureType();
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142 | 40435 | jjdelcerro | |
143 | File dbfFile = params.getDBFFile();
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144 | File shpFile = params.getSHPFile();
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145 | File shxFile = params.getSHXFile();
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146 | 42191 | fdiaz | |
147 | 40435 | jjdelcerro | if (!shpFile.isAbsolute()) {
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148 | throw new AbsolutePathRequiredException(shpFile.getPath()); |
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149 | } |
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150 | |||
151 | if (!dbfFile.isAbsolute()) {
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152 | throw new AbsolutePathRequiredException(dbfFile.getPath()); |
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153 | } |
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154 | 42191 | fdiaz | |
155 | 40435 | jjdelcerro | if (!shxFile.isAbsolute()) {
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156 | throw new AbsolutePathRequiredException(shxFile.getPath()); |
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157 | } |
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158 | |||
159 | // File[] files = new File[] { shpFile, shxFile, dbfFile };
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160 | // TODO .prj file
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161 | |||
162 | // FileResource[] resources;
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163 | ResourceProvider resource; |
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164 | try {
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165 | // resources =
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166 | resource = createResource(shpFile, new File[] { shxFile, dbfFile }); |
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167 | resource.closeRequest(); |
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168 | // closeResources(resources);
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169 | } catch (DataException e1) {
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170 | throw new CreateException(shpFile.getPath(), e1); |
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171 | } |
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172 | |||
173 | if (shpFile.exists()) {
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174 | if (overwrite) {
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175 | // FIXME
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176 | // if (!shpFile.delete()) {
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177 | // throw new CreateException(this.getDataStoreProviderName(),
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178 | // new IOException(
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179 | // "cannot delete file: " + shpFile.getPath()));
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180 | // }
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181 | // if (shxFile.exists()) {
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182 | // if (!shxFile.delete()) {
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183 | // throw new CreateException(this.getDataStoreProviderName(),
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184 | // new IOException("cannot delete file: "
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185 | // + shxFile.getPath()));
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186 | // }
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187 | //
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188 | // }
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189 | } else {
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190 | throw new CreateException(this.getDataStoreProviderName(), |
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191 | new IOException("file already exist")); |
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192 | } |
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193 | } |
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194 | |||
195 | try {
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196 | 42191 | fdiaz | |
197 | 40435 | jjdelcerro | // beginResources(resources);
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198 | |||
199 | resource.execute(new ResourceAction() {
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200 | public Object run() throws Exception { |
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201 | SHPFeatureWriter writer = |
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202 | new SHPFeatureWriter(getDataStoreProviderName());
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203 | 42191 | fdiaz | |
204 | 44669 | jjdelcerro | writer.begin(params, fType, 0);
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205 | 42191 | fdiaz | |
206 | 40435 | jjdelcerro | writer.end(); |
207 | return null; |
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208 | } |
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209 | }); |
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210 | |||
211 | // notifyChangesResources(resources);
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212 | resource.notifyChanges(); |
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213 | } catch (Exception e) { |
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214 | throw new CreateException(this.getDataStoreProviderName(), e); |
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215 | } finally {
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216 | // endResources(resources);
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217 | // removeConsumer(resources);
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218 | resource.removeConsumer(this);
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219 | } |
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220 | } |
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221 | 42191 | fdiaz | |
222 | 40435 | jjdelcerro | // private boolean closeResources(FileResource[] resources)
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223 | // throws ResourceException {
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224 | // for (int i = 0; i < resources.length; i++) {
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225 | // // TODO
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226 | // // if (!resources[i].closeRequest()){
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227 | // // return false;
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228 | // // }
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229 | // resources[i].closeRequest();
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230 | // }
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231 | // return true;
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232 | //
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233 | // }
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234 | |||
235 | private void removeConsumer(FileResource[] resources) { |
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236 | for (int i = 0; i < resources.length; i++) { |
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237 | resources[i].removeConsumer(this);
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238 | } |
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239 | } |
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240 | |||
241 | // private void endResources(FileResource[] resources) {
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242 | // for (int i = 0; i < resources.length; i++) {
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243 | // resources[i].end();
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244 | // }
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245 | // }
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246 | |||
247 | private void notifyChangesResources(FileResource[] resources) |
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248 | throws ResourceNotifyChangesException {
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249 | for (int i = 0; i < resources.length; i++) { |
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250 | resources[i].notifyChanges(); |
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251 | } |
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252 | |||
253 | } |
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254 | |||
255 | // private void beginResources(FileResource[] resources)
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256 | // throws ResourceExecuteException {
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257 | // for (int i = 0; i < resources.length; i++) {
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258 | // resources[i].begin();
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259 | // }
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260 | //
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261 | // }
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262 | |||
263 | public NewDataStoreParameters getCreateParameters() {
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264 | SHPNewStoreParameters params = |
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265 | (SHPNewStoreParameters) super.getCreateParameters();
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266 | |||
267 | EditableFeatureType fType = |
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268 | (EditableFeatureType) params.getDefaultFeatureType(); |
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269 | // SHPStoreProvider.addGeometryColumn(fType);
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270 | // params.setDefaultFeatureType(fType);
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271 | return params;
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272 | } |
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273 | |||
274 | protected NewDataStoreParameters createInstanceNewDataStoreParameters() {
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275 | return new SHPNewStoreParameters(); |
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276 | } |
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277 | |||
278 | public String getDataStoreProviderName() { |
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279 | return SHPStoreProvider.NAME;
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280 | } |
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281 | |||
282 | public String getDescription() { |
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283 | return SHPStoreProvider.DESCRIPTION;
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284 | } |
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285 | |||
286 | public DataStoreParameters getParameters(File file) throws DataException { |
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287 | DataManager manager = DALLocator.getDataManager(); |
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288 | SHPStoreParameters params = |
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289 | (SHPStoreParameters) manager.createStoreParameters(this.getDataStoreProviderName());
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290 | 44669 | jjdelcerro | params.setSHPFile(file.getPath()); |
291 | 40435 | jjdelcerro | return params;
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292 | |||
293 | } |
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294 | |||
295 | public void remove(DataStoreParameters parameters) throws RemoveException { |
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296 | SHPStoreParameters params = (SHPStoreParameters) parameters; |
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297 | |||
298 | final File dbfFile = params.getDBFFile(); |
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299 | final File shpFile = params.getSHPFile(); |
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300 | final File shxFile = params.getSHXFile(); |
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301 | // TODO .prj file
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302 | |||
303 | // File[] files = new File[] { shpFile, shxFile, dbfFile };
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304 | //
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305 | // FileResource[] resources;
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306 | |||
307 | File[] otherFiles = new File[] { shxFile, dbfFile }; |
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308 | final ResourceProvider resource;
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309 | try {
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310 | // resources = this.createResources(files);
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311 | resource = createResource(shpFile, otherFiles); |
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312 | resource.closeRequest(); |
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313 | resource.closeRequest(); |
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314 | // closeResources(resources);
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315 | } catch (DataException e1) {
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316 | throw new RemoveException(shpFile.getPath(), e1); |
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317 | } |
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318 | |||
319 | try {
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320 | // beginResources(resources);
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321 | resource.execute(new ResourceAction() {
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322 | public Object run() throws Exception { |
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323 | deleteFile(shpFile); |
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324 | deleteFile(dbfFile); |
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325 | deleteFile(shxFile); |
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326 | resource.notifyChanges(); |
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327 | return null; |
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328 | } |
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329 | }); |
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330 | // for (int i = 0; i < files.length; i++) {
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331 | // if (!files[i].exists()) {
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332 | // continue;
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333 | // }
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334 | // if (!files[i].delete()) {
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335 | // throw new RemoveException(this.getDataStoreProviderName(),
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336 | // new IOException()); // FIXME Exception
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337 | // }
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338 | // }
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339 | |||
340 | // notifyChangesResources(resources);
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341 | } catch (Exception e) { |
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342 | throw new RemoveException(this.getDataStoreProviderName(), e); |
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343 | } finally {
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344 | // endResources(resources);
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345 | // removeConsumer(resources);
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346 | resource.removeConsumer(this);
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347 | } |
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348 | } |
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349 | |||
350 | private void deleteFile(File file) throws RemoveException { |
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351 | if (file.exists() && !file.delete()) {
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352 | throw new RemoveException(this.getDataStoreProviderName(), |
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353 | new IOException()); // FIXME Exception |
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354 | } |
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355 | } |
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356 | 42191 | fdiaz | |
357 | 40435 | jjdelcerro | public String getResourceRootPathName(DataStore dataStore) { |
358 | SHPStoreParameters shpParams = (SHPStoreParameters) dataStore.getParameters(); |
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359 | 42191 | fdiaz | return removeFileExtension(shpParams.getSHPFile());
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360 | 40435 | jjdelcerro | } |
361 | |||
362 | } |