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.dbf / src / main / java / org / gvsig / fmap / dal / store / dbf / DBFFilesystemServerProvider.java @ 40559
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | *
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4 | * Copyright (C) 2007-2013 gvSIG Association.
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5 | *
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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 | * as published by the Free Software Foundation; either version 3
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9 | * 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 | * 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 | */
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24 | 40435 | jjdelcerro | package org.gvsig.fmap.dal.store.dbf; |
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.DataStoreParameters; |
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33 | import org.gvsig.fmap.dal.NewDataStoreParameters; |
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34 | import org.gvsig.fmap.dal.exception.CreateException; |
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35 | import org.gvsig.fmap.dal.exception.DataException; |
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36 | import org.gvsig.fmap.dal.exception.FileNotFoundException; |
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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.NewFeatureStoreParameters; |
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40 | import org.gvsig.fmap.dal.resource.ResourceAction; |
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41 | import org.gvsig.fmap.dal.resource.exception.ResourceExecuteException; |
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42 | import org.gvsig.fmap.dal.resource.file.FileResource; |
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43 | import org.gvsig.fmap.dal.resource.spi.ResourceConsumer; |
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44 | import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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45 | import org.gvsig.fmap.dal.serverexplorer.filesystem.AbsolutePathRequiredException; |
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46 | import org.gvsig.fmap.dal.serverexplorer.filesystem.impl.AbstractFilesystemServerExplorerProvider; |
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47 | import org.gvsig.fmap.dal.serverexplorer.filesystem.spi.FilesystemServerExplorerProvider; |
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48 | import org.gvsig.fmap.dal.serverexplorer.filesystem.spi.FilesystemServerExplorerProviderServices; |
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49 | |||
50 | public class DBFFilesystemServerProvider extends AbstractFilesystemServerExplorerProvider |
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51 | implements FilesystemServerExplorerProvider, ResourceConsumer {
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52 | |||
53 | protected FilesystemServerExplorerProviderServices serverExplorer;
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54 | |||
55 | public String getDataStoreProviderName() { |
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56 | return DBFStoreProvider.NAME;
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57 | } |
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58 | |||
59 | public int getMode() { |
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60 | return DataServerExplorer.MODE_FEATURE;
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61 | } |
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62 | |||
63 | public boolean accept(File pathname) { |
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64 | return (pathname.getName().toLowerCase().endsWith(".dbf")); |
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65 | } |
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66 | |||
67 | public String getDescription() { |
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68 | return DBFStoreProvider.DESCRIPTION;
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69 | } |
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70 | |||
71 | public DataStoreParameters getParameters(File file) throws DataException { |
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72 | DataManager manager = DALLocator.getDataManager(); |
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73 | DBFStoreParameters params = (DBFStoreParameters) manager |
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74 | .createStoreParameters(this.getDataStoreProviderName());
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75 | params.setDBFFile(file.getPath()); |
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76 | return params;
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77 | } |
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78 | |||
79 | public boolean canCreate() { |
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80 | return true; |
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81 | } |
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82 | |||
83 | public boolean canCreate(NewDataStoreParameters parameters) { |
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84 | DBFNewStoreParameters params = (DBFNewStoreParameters) parameters; |
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85 | if (params.getDBFFile().getParentFile().canWrite()) {
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86 | return false; |
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87 | } |
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88 | if (params.getDBFFile().exists()) {
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89 | if (!params.getDBFFile().canWrite()) {
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90 | return false; |
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91 | } |
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92 | } |
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93 | if (params.getDefaultFeatureType() == null) { |
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94 | return false; |
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95 | } |
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96 | return true; |
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97 | } |
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98 | |||
99 | public void create(NewDataStoreParameters parameters, boolean overwrite) |
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100 | throws CreateException {
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101 | |||
102 | final DBFNewStoreParameters params = (DBFNewStoreParameters) parameters;
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103 | File file = params.getDBFFile();
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104 | |||
105 | if (!file.isAbsolute()) {
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106 | throw new AbsolutePathRequiredException(file.getPath()); |
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107 | } |
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108 | |||
109 | |||
110 | if (file.exists()) {
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111 | if (overwrite) {
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112 | // if (!file.delete()) {
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113 | // throw new CreateException(this.getDataStoreProviderName(),
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114 | // new IOException(
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115 | // "cannot delete file"));
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116 | // }
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117 | } else {
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118 | throw new CreateException(this.getDataStoreProviderName(), |
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119 | new IOException( |
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120 | "file already exist"));
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121 | } |
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122 | } |
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123 | |||
124 | final FileResource resource;
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125 | try {
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126 | |||
127 | resource = (FileResource) this.serverExplorer
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128 | .getServerExplorerProviderServices().createResource( |
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129 | FileResource.NAME, |
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130 | new Object[] { file.getAbsolutePath() }); |
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131 | } catch (InitializeException e1) {
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132 | throw new CreateException(params.getDBFFileName(), e1); |
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133 | } |
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134 | resource.addConsumer(this);
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135 | |||
136 | try {
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137 | resource.execute(new ResourceAction() {
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138 | public Object run() throws Exception { |
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139 | DBFFeatureWriter writer = |
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140 | new DBFFeatureWriter(getDataStoreProviderName());
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141 | |||
142 | writer.begin(params, params.getDefaultFeatureType(), 0);
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143 | writer.end(); |
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144 | writer.dispose(); |
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145 | resource.notifyChanges(); |
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146 | return null; |
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147 | } |
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148 | }); |
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149 | } catch (ResourceExecuteException e) {
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150 | throw new CreateException(this.getDataStoreProviderName(), e); |
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151 | } finally {
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152 | resource.removeConsumer(this);
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153 | } |
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154 | |||
155 | |||
156 | } |
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157 | |||
158 | |||
159 | protected NewDataStoreParameters createInstanceNewDataStoreParameters() {
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160 | return new DBFNewStoreParameters(); |
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161 | } |
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162 | |||
163 | |||
164 | public NewDataStoreParameters getCreateParameters() {
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165 | NewFeatureStoreParameters params = (NewFeatureStoreParameters) this
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166 | .createInstanceNewDataStoreParameters(); |
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167 | params.setDefaultFeatureType(this.serverExplorer
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168 | .getServerExplorerProviderServices().createNewFeatureType()); |
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169 | return params;
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170 | } |
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171 | |||
172 | public void initialize(FilesystemServerExplorerProviderServices serverExplorer) { |
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173 | this.serverExplorer = serverExplorer;
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174 | |||
175 | } |
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176 | |||
177 | public void remove(DataStoreParameters parameters) throws RemoveException { |
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178 | DBFStoreParameters params = (DBFStoreParameters) parameters; |
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179 | File file = params.getDBFFile();
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180 | if (!file.exists()) {
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181 | throw new RemoveException(this.getDataStoreProviderName(), |
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182 | new FileNotFoundException(params.getDBFFile())); |
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183 | } |
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184 | if (!file.delete()) {
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185 | throw new RemoveException(this.getDataStoreProviderName(), |
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186 | new IOException()); // FIXME Exception |
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187 | } |
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188 | } |
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189 | |||
190 | public boolean closeResourceRequested(ResourceProvider resource) { |
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191 | // while it is using a resource anyone can't close it
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192 | return !(this.equals(resource)); |
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193 | } |
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194 | |||
195 | /*
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196 | * (non-Javadoc)
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197 | *
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198 | * @see
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199 | * org.gvsig.fmap.dal.resource.spi.ResourceConsumer#resourceChanged(org.
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200 | * gvsig.fmap.dal.resource.spi.ResourceProvider)
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201 | */
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202 | public void resourceChanged(ResourceProvider resource) { |
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203 | // Do nothing
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204 | } |
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205 | |||
206 | } |