svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.db / org.gvsig.fmap.dal.db.jdbc / src / main / java / org / gvsig / fmap / dal / store / jdbc / JDBCServerExplorer.java @ 40435
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1 | 40435 | jjdelcerro | /* gvSIG. Geographic Information System of the Valencian Government
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2 | *
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3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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4 | * of the Valencian Government (CIT)
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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 2
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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 | */
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22 | |||
23 | /*
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24 | * AUTHORS (In addition to CIT):
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25 | * 2009 IVER T.I {{Task}}
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26 | */
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27 | |||
28 | /**
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29 | *
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30 | */
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31 | package org.gvsig.fmap.dal.store.jdbc; |
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32 | |||
33 | import java.sql.Connection; |
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34 | import java.sql.DatabaseMetaData; |
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35 | import java.sql.ResultSet; |
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36 | import java.sql.SQLException; |
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37 | import java.sql.Statement; |
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38 | import java.util.ArrayList; |
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39 | import java.util.Iterator; |
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40 | import java.util.List; |
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41 | |||
42 | import org.slf4j.Logger; |
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43 | import org.slf4j.LoggerFactory; |
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44 | |||
45 | import org.gvsig.fmap.dal.DALLocator; |
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46 | import org.gvsig.fmap.dal.DataManager; |
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47 | import org.gvsig.fmap.dal.DataStore; |
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48 | import org.gvsig.fmap.dal.DataStoreParameters; |
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49 | import org.gvsig.fmap.dal.NewDataStoreParameters; |
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50 | import org.gvsig.fmap.dal.exception.CloseException; |
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51 | import org.gvsig.fmap.dal.exception.DataException; |
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52 | import org.gvsig.fmap.dal.exception.InitializeException; |
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53 | import org.gvsig.fmap.dal.exception.OpenException; |
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54 | import org.gvsig.fmap.dal.exception.ProviderNotRegisteredException; |
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55 | import org.gvsig.fmap.dal.exception.ReadException; |
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56 | import org.gvsig.fmap.dal.exception.RemoveException; |
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57 | import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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58 | import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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59 | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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60 | import org.gvsig.fmap.dal.feature.FeatureType; |
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61 | import org.gvsig.fmap.dal.feature.NewFeatureStoreParameters; |
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62 | import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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63 | import org.gvsig.fmap.dal.serverexplorer.db.spi.AbstractDBServerExplorer; |
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64 | import org.gvsig.fmap.dal.spi.DataManagerProviderServices; |
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65 | import org.gvsig.fmap.dal.spi.DataServerExplorerProviderServices; |
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66 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCExecuteSQLException; |
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67 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCSQLException; |
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68 | import org.gvsig.tools.exception.BaseException; |
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69 | |||
70 | |||
71 | /**
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72 | * @author jmvivo
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73 | *
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74 | */
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75 | public class JDBCServerExplorer extends AbstractDBServerExplorer |
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76 | implements JDBCHelperUser {
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77 | |||
78 | private static final Logger LOG = LoggerFactory |
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79 | .getLogger(JDBCServerExplorer.class); |
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80 | |||
81 | private static final String METADATA_COLUMN_TABLE_CATALOG = "TABLE_CAT"; |
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82 | private static final String METADATA_COLUMN_TABLE_SCHEMA = "TABLE_SCHEM"; |
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83 | private static final String METADATA_COLUMN_TABLE_NAME = "TABLE_NAME"; |
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84 | |||
85 | public static final String NAME = "JDBCServerExplorer"; |
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86 | protected JDBCHelper helper;
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87 | |||
88 | private Boolean canAdd; |
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89 | |||
90 | public JDBCServerExplorer(JDBCServerExplorerParameters parameters,
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91 | DataServerExplorerProviderServices services) |
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92 | throws InitializeException {
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93 | super(parameters, services);
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94 | this.helper = createHelper();
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95 | } |
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96 | |||
97 | protected JDBCServerExplorerParameters getJDBCParameters() {
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98 | return (JDBCServerExplorerParameters) getParameters();
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99 | } |
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100 | |||
101 | protected JDBCHelper createHelper() throws InitializeException { |
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102 | return new JDBCHelper(this, getJDBCParameters()); |
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103 | } |
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104 | |||
105 | protected JDBCHelper getHelper() {
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106 | return helper;
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107 | } |
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108 | |||
109 | |||
110 | public List list() throws DataException { |
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111 | return this.list(MODE_ALL); |
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112 | } |
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113 | |||
114 | public List list(boolean showInformationDBTables) throws DataException { |
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115 | return this.list(MODE_ALL, showInformationDBTables); |
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116 | } |
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117 | |||
118 | public List list(int mode) throws DataException { |
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119 | JDBCServerExplorerParameters parameters = getJDBCParameters(); |
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120 | if (parameters.getShowInformationDBTables() != null) { |
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121 | return this.list(mode, parameters.getShowInformationDBTables() |
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122 | .booleanValue()); |
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123 | } |
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124 | Boolean show = (Boolean) parameters |
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125 | .getDynClass() |
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126 | .getDynField( |
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127 | JDBCServerExplorerParameters.SHOWINFORMATIONDBTABLES_PARAMTER_NAME) |
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128 | .getDefaultValue(); |
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129 | if (show == null){ |
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130 | show = Boolean.FALSE;
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131 | } |
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132 | |||
133 | return this.list(mode, show.booleanValue()); |
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134 | } |
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135 | |||
136 | |||
137 | protected DataManagerProviderServices getManager() {
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138 | return (DataManagerProviderServices) DALLocator.getDataManager();
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139 | } |
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140 | |||
141 | public boolean hasGeometrySupport() { |
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142 | return false; |
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143 | } |
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144 | |||
145 | public boolean closeResourceRequested(ResourceProvider resource) { |
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146 | try {
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147 | this.helper.close();
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148 | } catch (CloseException e) {
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149 | LOG.error("Exception in close Request", e);
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150 | } |
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151 | return !this.helper.isOpen(); |
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152 | } |
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153 | |||
154 | public void resourceChanged(ResourceProvider resource) { |
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155 | // Nothing to do
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156 | } |
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157 | |||
158 | public void remove(DataStoreParameters dsp) throws RemoveException { |
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159 | final JDBCStoreParameters dsParams =(JDBCStoreParameters) dsp;
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160 | |||
161 | TransactionalAction action = new TransactionalAction() {
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162 | public boolean continueTransactionAllowed() { |
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163 | return false; |
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164 | } |
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165 | public Object action(Connection conn) throws DataException { |
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166 | Statement st;
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167 | try{
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168 | st = conn.createStatement(); |
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169 | } catch (SQLException e) { |
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170 | throw new JDBCSQLException(e); |
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171 | } |
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172 | |||
173 | String sqlDrop = "Drop table " |
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174 | + dsParams.tableID(); |
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175 | |||
176 | try{
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177 | try{
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178 | st.execute(sqlDrop); |
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179 | } catch (SQLException e) { |
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180 | throw new JDBCExecuteSQLException(sqlDrop, e); |
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181 | } |
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182 | |||
183 | } finally{
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184 | try{ st.close(); } catch (SQLException e) {}; |
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185 | } |
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186 | return null; |
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187 | } |
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188 | }; |
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189 | try {
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190 | this.helper.doConnectionAction(action);
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191 | } catch (Exception e) { |
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192 | throw new RemoveException(this.getProviderName(), e); |
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193 | } |
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194 | } |
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195 | |||
196 | public NewDataStoreParameters getAddParameters() throws DataException { |
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197 | JDBCServerExplorerParameters parameters = getJDBCParameters(); |
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198 | JDBCNewStoreParameters params = new JDBCNewStoreParameters();
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199 | params.setHost(parameters.getHost()); |
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200 | params.setPort(parameters.getPort()); |
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201 | params.setDBName(parameters.getDBName()); |
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202 | params.setUser(parameters.getUser()); |
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203 | params.setPassword(parameters.getPassword()); |
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204 | params.setCatalog(parameters.getCatalog()); |
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205 | params.setSchema(parameters.getSchema()); |
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206 | params.setJDBCDriverClassName(parameters.getJDBCDriverClassName()); |
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207 | params.setUrl(parameters.getUrl()); |
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208 | |||
209 | params.setDefaultFeatureType(this.getServerExplorerProviderServices()
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210 | .createNewFeatureType()); |
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211 | |||
212 | return params;
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213 | } |
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214 | |||
215 | public void closeDone() throws DataException { |
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216 | // Nothing to do
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217 | } |
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218 | |||
219 | public void opendDone() throws DataException { |
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220 | // Nothin to do
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221 | |||
222 | } |
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223 | |||
224 | public DataStore open(DataStoreParameters dsp) throws DataException { |
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225 | checkIsMine(dsp); |
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226 | DataManager dataMan = DALLocator.getDataManager(); |
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227 | DataStore store; |
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228 | try {
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229 | store = dataMan.openStore(dsp.getDataStoreName(), dsp); |
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230 | } catch (ValidateDataParametersException e) {
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231 | throw new InitializeException(e); |
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232 | } |
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233 | |||
234 | return store;
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235 | } |
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236 | |||
237 | protected void checkIsMine(DataStoreParameters dsp) { |
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238 | if (!(dsp instanceof JDBCStoreParameters)) { |
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239 | // FIXME Exception ???
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240 | throw new IllegalArgumentException( |
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241 | "not instance of FilesystemStoreParameters");
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242 | } |
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243 | |||
244 | // try {
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245 | // dsp.validate();
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246 | // } catch (ValidateDataParametersException e) {
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247 | // throw new IllegalArgumentException("check parameters", e);
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248 | // }
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249 | |||
250 | JDBCServerExplorerParameters parameters = getJDBCParameters(); |
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251 | |||
252 | JDBCStoreParameters pgp = (JDBCStoreParameters) dsp; |
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253 | if (!compare(pgp.getHost(), parameters.getHost())) {
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254 | throw new IllegalArgumentException("wrong explorer: Host (mine: " |
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255 | + parameters.getHost() + " other:" + pgp.getHost() + ")"); |
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256 | } |
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257 | if (!compare(pgp.getPort(), parameters.getPort())) {
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258 | throw new IllegalArgumentException("wrong explorer: Port (mine: " |
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259 | + parameters.getPort() + " other:" + pgp.getPort() + ")"); |
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260 | } |
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261 | if (!compare(pgp.getDBName(), parameters.getDBName())) {
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262 | throw new IllegalArgumentException("wrong explorer: DBName (mine: " |
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263 | + parameters.getDBName() + " other:" + pgp.getDBName()
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264 | + ")");
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265 | } |
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266 | if (parameters.getCatalog() != null && !parameters.getCatalog().trim().equals("")) { |
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267 | // implicit catalog
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268 | if (!compare(pgp.getCatalog(), parameters.getCatalog())) {
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269 | throw new IllegalArgumentException( |
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270 | "wrong explorer: Catalog (mine: "
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271 | + parameters.getCatalog() + " other:"
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272 | + pgp.getCatalog() + ")");
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273 | } |
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274 | } |
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275 | if (parameters.getSchema() != null && !parameters.getSchema().trim().equals("")) { |
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276 | // implicit schema
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277 | if (!compare(pgp.getSchema(), parameters.getSchema())) {
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278 | throw new IllegalArgumentException( |
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279 | "wrong explorer: Schema (mine: "
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280 | + parameters.getSchema() + " other:"
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281 | + pgp.getSchema() + ")");
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282 | } |
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283 | } |
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284 | } |
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285 | |||
286 | protected boolean compare(Object str1, Object str2) { |
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287 | if (str1 == str2){
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288 | return true; |
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289 | } |
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290 | if (str1 == null){ |
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291 | return false; |
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292 | } |
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293 | return str1.equals(str2);
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294 | } |
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295 | |||
296 | protected JDBCStoreParameters createStoreParams()
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297 | throws InitializeException, ProviderNotRegisteredException {
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298 | DataManagerProviderServices manager = this.getManager();
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299 | JDBCServerExplorerParameters parameters = getJDBCParameters(); |
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300 | JDBCStoreParameters orgParams = (JDBCStoreParameters) manager |
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301 | .createStoreParameters(getStoreName()); |
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302 | orgParams.setHost(parameters.getHost()); |
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303 | orgParams.setPort(parameters.getPort()); |
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304 | orgParams.setDBName(parameters.getDBName()); |
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305 | orgParams.setUser(parameters.getUser()); |
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306 | orgParams.setPassword(parameters.getPassword()); |
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307 | orgParams.setCatalog(parameters.getCatalog()); |
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308 | orgParams.setJDBCDriverClassName(parameters.getJDBCDriverClassName()); |
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309 | orgParams.setSchema(parameters.getSchema()); |
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310 | orgParams.setUrl(parameters.getUrl()); |
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311 | return orgParams;
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312 | } |
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313 | |||
314 | public List list(final int mode, final boolean showInformationDBTables) |
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315 | throws DataException {
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316 | |||
317 | final JDBCStoreParameters orgParams = createStoreParams();
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318 | |||
319 | ConnectionAction action = new ConnectionAction() {
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320 | |||
321 | public Object action(Connection conn) throws DataException { |
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322 | |||
323 | String[] tableTypes = null; |
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324 | if (!showInformationDBTables) {
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325 | tableTypes = new String[] { "TABLE", "VIEW" }; |
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326 | } |
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327 | |||
328 | ResultSet result = null; |
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329 | try {
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330 | DatabaseMetaData metadata = conn.getMetaData();
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331 | result = metadata.getTables(null, null, null, |
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332 | tableTypes); |
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333 | List<JDBCStoreParameters> paramList = new ArrayList<JDBCStoreParameters>(); |
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334 | while (result.next()) {
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335 | JDBCStoreParameters params = (JDBCStoreParameters) orgParams |
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336 | .getCopy(); |
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337 | params.setCatalog(result |
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338 | .getString(METADATA_COLUMN_TABLE_CATALOG)); |
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339 | params.setSchema(result |
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340 | .getString(METADATA_COLUMN_TABLE_SCHEMA)); |
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341 | params.setTable(result |
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342 | .getString(METADATA_COLUMN_TABLE_NAME)); |
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343 | paramList.add(params); |
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344 | } |
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345 | |||
346 | return paramList;
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347 | } catch (SQLException e) { |
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348 | throw new JDBCSQLException(e); |
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349 | } finally {
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350 | if (result != null) { |
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351 | try {
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352 | result.close(); |
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353 | } catch (Exception e) { |
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354 | LOG.error("Error closing DatabaseMetadata "
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355 | + "getTables() Resultset", e);
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356 | } |
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357 | } |
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358 | } |
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359 | } |
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360 | |||
361 | }; |
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362 | |||
363 | try {
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364 | return (List) helper.doConnectionAction(action); |
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365 | } catch (Exception e) { |
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366 | throw new ReadException(this.getProviderName(), e); |
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367 | } |
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368 | } |
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369 | |||
370 | |||
371 | public void open() throws OpenException { |
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372 | helper.open(); |
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373 | } |
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374 | |||
375 | public void close() throws CloseException { |
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376 | helper.close(); |
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377 | } |
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378 | |||
379 | @Override
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380 | protected void doDispose() throws BaseException { |
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381 | helper.dispose(); |
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382 | helper = null;
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383 | } |
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384 | |||
385 | public String getProviderName() { |
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386 | return NAME;
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387 | } |
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388 | |||
389 | protected String getStoreName() { |
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390 | return JDBCStoreProvider.NAME;
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391 | } |
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392 | |||
393 | public boolean canAdd() { |
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394 | if (this.canAdd == null){ |
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395 | ConnectionAction action = new ConnectionAction(){
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396 | |||
397 | public Object action(Connection conn) throws DataException { |
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398 | try {
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399 | DatabaseMetaData metadata = conn.getMetaData();
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400 | if (metadata.isReadOnly()) {
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401 | return Boolean.FALSE; |
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402 | } |
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403 | return Boolean.TRUE; |
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404 | } catch (SQLException e) { |
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405 | throw new JDBCSQLException(e); |
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406 | } |
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407 | } |
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408 | |||
409 | }; |
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410 | |||
411 | try {
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412 | this.canAdd = (Boolean) helper.doConnectionAction(action); |
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413 | } catch (Exception e) { |
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414 | // FIXME Exception
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415 | throw new RuntimeException(e); |
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416 | } |
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417 | } |
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418 | return this.canAdd.booleanValue(); |
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419 | } |
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420 | |||
421 | public FeatureType getFeatureType(DataStoreParameters dsp)
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422 | throws DataException {
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423 | checkIsMine(dsp); |
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424 | |||
425 | // TODO: checks geometry columns and driver geometry supports
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426 | EditableFeatureType edType = this.getServerExplorerProviderServices()
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427 | .createNewFeatureType(); |
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428 | helper.loadFeatureType(edType, (JDBCStoreParameters) dsp); |
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429 | |||
430 | return edType;
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431 | |||
432 | } |
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433 | |||
434 | |||
435 | public boolean add(String providerName, NewDataStoreParameters ndsp, boolean overwrite) |
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436 | throws DataException {
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437 | |||
438 | /**
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439 | * CREATE [ [ GLOBAL | LOCAL ] { TEMPORARY | TEMP } ] TABLE table_name (
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440 | * { column_name data_type [ DEFAULT default_expr ] [ column_constraint
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441 | * [ ... ] ] | table_constraint | LIKE parent_table [ { INCLUDING |
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442 | * EXCLUDING } DEFAULTS ] } [, ... ] ) [ INHERITS ( parent_table [, ...
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443 | * ] ) ] [ WITH OIDS | WITHOUT OIDS ] [ ON COMMIT { PRESERVE ROWS |
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444 | * DELETE ROWS | DROP } ]
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445 | *
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446 | * where column_constraint is:
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447 | *
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448 | * [ CONSTRAINT constraint_name ] { NOT NULL | NULL | UNIQUE | PRIMARY
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449 | * KEY | CHECK (expression) | REFERENCES reftable [ ( refcolumn ) ] [
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450 | * MATCH FULL | MATCH PARTIAL | MATCH SIMPLE ] [ ON DELETE action ] [ ON
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451 | * UPDATE action ] } [ DEFERRABLE | NOT DEFERRABLE ] [ INITIALLY
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452 | * DEFERRED | INITIALLY IMMEDIATE ]
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453 | *
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454 | * and table_constraint is:
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455 | *
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456 | * [ CONSTRAINT constraint_name ] { UNIQUE ( column_name [, ... ] ) |
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457 | * PRIMARY KEY ( column_name [, ... ] ) | CHECK ( expression ) | FOREIGN
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458 | * KEY ( column_name [, ... ] ) REFERENCES reftable [ ( refcolumn [, ...
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459 | * ] ) ] [ MATCH FULL | MATCH PARTIAL | MATCH SIMPLE ] [ ON DELETE
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460 | * action ] [ ON UPDATE action ] } [ DEFERRABLE | NOT DEFERRABLE ] [
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461 | * INITIALLY DEFERRED | INITIALLY IMMEDIATE ]
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462 | */
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463 | |||
464 | if (!(ndsp instanceof NewFeatureStoreParameters)) { |
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465 | // FIXME exception
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466 | throw new IllegalArgumentException(); |
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467 | } |
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468 | checkIsMine(ndsp); |
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469 | |||
470 | NewFeatureStoreParameters nfdsp = (NewFeatureStoreParameters) ndsp; |
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471 | |||
472 | StringBuilder sql = new StringBuilder(); |
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473 | |||
474 | if (!nfdsp.isValid()) {
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475 | // TODO Exception
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476 | throw new InitializeException(this.getProviderName(), new Exception( |
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477 | "Parameters not valid"));
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478 | } |
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479 | try {
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480 | nfdsp.validate(); |
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481 | } catch (ValidateDataParametersException e1) {
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482 | throw new InitializeException(this.getProviderName(), e1); |
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483 | } |
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484 | |||
485 | FeatureType fType = nfdsp.getDefaultFeatureType(); |
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486 | |||
487 | sql.append("Create table " + ((JDBCStoreParameters) ndsp).tableID()
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488 | + "(");
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489 | Iterator attrs = fType.iterator();
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490 | String sqlAttr;
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491 | List sqlAttrs = new ArrayList(); |
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492 | |||
493 | while (attrs.hasNext()) {
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494 | sqlAttr = helper |
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495 | .getSqlFieldDescription((FeatureAttributeDescriptor) attrs |
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496 | .next()); |
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497 | if (sqlAttr != null) { |
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498 | sqlAttrs.add(sqlAttr); |
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499 | } |
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500 | } |
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501 | |||
502 | helper.stringJoin(sqlAttrs, ", ", sql);
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503 | |||
504 | sql.append(")");
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505 | |||
506 | final String sqlCreate = sql.toString(); |
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507 | final List sqlAdditional = helper |
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508 | .getAdditionalSqlToCreate(ndsp, fType); |
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509 | |||
510 | TransactionalAction action = new TransactionalAction() {
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511 | |||
512 | public boolean continueTransactionAllowed() { |
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513 | // TODO Auto-generated method stub
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514 | return false; |
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515 | } |
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516 | |||
517 | public Object action(Connection conn) throws DataException { |
||
518 | Statement st = null; |
||
519 | |||
520 | try {
|
||
521 | st = conn.createStatement(); |
||
522 | } catch (SQLException e1) { |
||
523 | throw new JDBCSQLException(e1); |
||
524 | } |
||
525 | String sql = null; |
||
526 | |||
527 | try {
|
||
528 | sql = sqlCreate; |
||
529 | st.execute(sql); |
||
530 | if (sqlAdditional != null) { |
||
531 | Iterator iter = sqlAdditional.iterator();
|
||
532 | while (iter.hasNext()) {
|
||
533 | sql = (String) iter.next();
|
||
534 | st.execute(sql); |
||
535 | } |
||
536 | } |
||
537 | |||
538 | } catch (SQLException e) { |
||
539 | throw new JDBCExecuteSQLException(sql, e); |
||
540 | } finally {
|
||
541 | try {
|
||
542 | st.close(); |
||
543 | } catch (SQLException e) { |
||
544 | LOG.error("Exception clossing statement", e);
|
||
545 | } |
||
546 | ; |
||
547 | } |
||
548 | |||
549 | return Boolean.TRUE; |
||
550 | } |
||
551 | |||
552 | }; |
||
553 | |||
554 | Boolean result = Boolean.FALSE; |
||
555 | |||
556 | try {
|
||
557 | result = (Boolean) helper.doConnectionAction(action);
|
||
558 | } catch (Exception e) { |
||
559 | // FIXME Exception
|
||
560 | throw new RuntimeException(e); |
||
561 | } |
||
562 | |||
563 | return result.booleanValue();
|
||
564 | } |
||
565 | |||
566 | public List getDataStoreProviderNames() { |
||
567 | List x = new ArrayList(1); |
||
568 | x.add(JDBCStoreProvider.NAME); |
||
569 | return x;
|
||
570 | } |
||
571 | |||
572 | } |