svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.spi / src / main / java / org / gvsig / fmap / dal / feature / spi / AbstractFeatureStoreProvider.java @ 44198
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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 | |||
25 | package org.gvsig.fmap.dal.feature.spi; |
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26 | |||
27 | 42712 | fdiaz | import java.io.File; |
28 | 40435 | jjdelcerro | import java.util.Collection; |
29 | import java.util.Iterator; |
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30 | |||
31 | 42712 | fdiaz | import org.apache.commons.io.FileUtils; |
32 | import org.apache.commons.io.FilenameUtils; |
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33 | import org.cresques.cts.ICRSFactory; |
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34 | import org.cresques.cts.IProjection; |
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35 | 44042 | jjdelcerro | import org.gvsig.expressionevaluator.ExpressionBuilder; |
36 | 44198 | jjdelcerro | import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator; |
37 | 42712 | fdiaz | import org.slf4j.Logger; |
38 | import org.slf4j.LoggerFactory; |
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39 | |||
40 | 40435 | jjdelcerro | import org.gvsig.fmap.dal.DALLocator; |
41 | import org.gvsig.fmap.dal.DataServerExplorer; |
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42 | import org.gvsig.fmap.dal.DataStoreParameters; |
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43 | import org.gvsig.fmap.dal.exception.CloseException; |
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44 | import org.gvsig.fmap.dal.exception.DataException; |
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45 | import org.gvsig.fmap.dal.exception.InitializeException; |
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46 | import org.gvsig.fmap.dal.exception.OpenException; |
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47 | import org.gvsig.fmap.dal.exception.ReadException; |
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48 | import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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49 | import org.gvsig.fmap.dal.feature.FeatureLocks; |
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50 | import org.gvsig.fmap.dal.feature.FeatureReference; |
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51 | import org.gvsig.fmap.dal.feature.FeatureSelection; |
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52 | import org.gvsig.fmap.dal.feature.FeatureStore; |
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53 | import org.gvsig.fmap.dal.feature.FeatureType; |
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54 | import org.gvsig.fmap.dal.resource.ResourceAction; |
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55 | import org.gvsig.fmap.dal.resource.ResourceManager; |
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56 | import org.gvsig.fmap.dal.resource.spi.ResourceManagerProviderServices; |
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57 | import org.gvsig.fmap.dal.resource.spi.ResourceProvider; |
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58 | import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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59 | import org.gvsig.fmap.geom.primitive.Envelope; |
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60 | import org.gvsig.timesupport.Interval; |
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61 | import org.gvsig.tools.dispose.impl.AbstractDisposable; |
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62 | import org.gvsig.tools.dynobject.DelegatedDynObject; |
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63 | import org.gvsig.tools.dynobject.DynClass; |
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64 | import org.gvsig.tools.dynobject.DynObject; |
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65 | 43246 | jjdelcerro | import org.gvsig.tools.dynobject.DynObject_v2; |
66 | 40435 | jjdelcerro | import org.gvsig.tools.dynobject.exception.DynFieldNotFoundException; |
67 | import org.gvsig.tools.dynobject.exception.DynMethodException; |
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68 | import org.gvsig.tools.exception.BaseException; |
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69 | |||
70 | /**
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71 | * Abstract implementation of {@link FeatureStoreProvider}
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72 | *
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73 | */
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74 | public abstract class AbstractFeatureStoreProvider extends AbstractDisposable |
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75 | 43020 | jjdelcerro | implements FeatureStoreProvider_v2 {
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76 | 40435 | jjdelcerro | |
77 | private FeatureStoreProviderServices store;
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78 | private DelegatedDynObject metadata;
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79 | private DataStoreParameters parameters;
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80 | |||
81 | 42712 | fdiaz | private static final Logger logger = LoggerFactory.getLogger(AbstractFeatureStoreProvider.class); |
82 | |||
83 | |||
84 | 40435 | jjdelcerro | /**
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85 | * Default Constructor.
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86 | *
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87 | * @param params
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88 | * @param storeServices
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89 | * @param metadata
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90 | */
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91 | protected AbstractFeatureStoreProvider(DataStoreParameters params,
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92 | DataStoreProviderServices storeServices, DynObject metadata) { |
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93 | this.store = (FeatureStoreProviderServices) storeServices;
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94 | this.metadata = (DelegatedDynObject) metadata;
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95 | this.parameters = params;
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96 | } |
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97 | |||
98 | /**
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99 | * Constructor when cannot create metada in constrution time. <br>
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100 | * <br>
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101 | * <strong>Note: </strong> Don't use it if not is necesary. Set metada
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102 | * <strong>as soon as posible</strong> by
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103 | * {@link AbstractFeatureStoreProvider#setMetadata(DynObject)}
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104 | 42712 | fdiaz | *
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105 | 40435 | jjdelcerro | * @param params
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106 | * @param storeServices
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107 | */
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108 | protected AbstractFeatureStoreProvider(DataStoreParameters params,
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109 | DataStoreProviderServices storeServices) { |
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110 | this.store = (FeatureStoreProviderServices) storeServices;
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111 | this.metadata = null; |
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112 | this.parameters = params;
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113 | } |
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114 | |||
115 | public final FeatureProvider getFeatureProviderByReference( |
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116 | final FeatureReferenceProviderServices reference)
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117 | throws DataException {
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118 | this.open();
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119 | FeatureProvider featureProvider = (FeatureProvider) getResource() |
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120 | .execute(new ResourceAction() {
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121 | public Object run() throws Exception { |
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122 | return internalGetFeatureProviderByReference(reference);
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123 | } |
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124 | 41437 | jjdelcerro | public String toString() { |
125 | return "getFeatureByReference"; |
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126 | } |
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127 | 42712 | fdiaz | |
128 | 40435 | jjdelcerro | }); |
129 | |||
130 | if (featureProvider == null) { |
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131 | throw new FeatureProviderNotFoundException(reference); |
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132 | } |
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133 | |||
134 | return featureProvider;
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135 | } |
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136 | |||
137 | public final FeatureProvider getFeatureProviderByReference( |
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138 | final FeatureReferenceProviderServices reference,
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139 | final FeatureType featureType) throws DataException { |
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140 | this.open();
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141 | FeatureProvider featureProvider = (FeatureProvider) getResource() |
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142 | .execute(new ResourceAction() {
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143 | public Object run() throws Exception { |
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144 | return internalGetFeatureProviderByReference(reference,
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145 | featureType); |
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146 | } |
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147 | }); |
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148 | |||
149 | if (featureProvider == null) { |
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150 | throw new FeatureProviderNotFoundException(reference); |
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151 | } |
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152 | |||
153 | return featureProvider;
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154 | } |
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155 | |||
156 | /**
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157 | * Returns a {@link FeatureProvider} by reference, using the default
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158 | * {@link FeatureType}. This method may be rewritten by the child classes as
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159 | * an implementation of the
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160 | * {@link #getFeatureProviderByReference(FeatureReferenceProviderServices)}
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161 | * method.
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162 | 42712 | fdiaz | *
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163 | 40435 | jjdelcerro | * @param reference
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164 | * the reference to the {@link FeatureProvider}
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165 | * @return the {@link FeatureProvider} being referenced
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166 | * @throws DataException
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167 | * if there is an error loading the {@link FeatureProvider}
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168 | */
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169 | protected FeatureProvider internalGetFeatureProviderByReference(
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170 | FeatureReferenceProviderServices reference) throws DataException {
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171 | return internalGetFeatureProviderByReference(reference,
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172 | getStoreServices().getDefaultFeatureType()); |
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173 | } |
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174 | |||
175 | /**
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176 | * Set metada container if this not set at construction time and only in one
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177 | * time. In other case an Exception will be throw
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178 | *
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179 | * @param metadata
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180 | */
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181 | protected void setMetadata(DynObject metadata) { |
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182 | if (this.metadata != null) { |
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183 | // FIXME Exception
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184 | throw new IllegalStateException(); |
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185 | } |
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186 | this.metadata = (DelegatedDynObject) metadata;
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187 | } |
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188 | |||
189 | /**
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190 | * @return the parameters
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191 | */
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192 | public DataStoreParameters getParameters() {
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193 | return parameters;
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194 | } |
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195 | |||
196 | /**
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197 | * Create or get a resource of <code>type</code> for <code>params</code> in
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198 | * {@link ResourceManager}
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199 | *
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200 | * @param type
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201 | * @param params
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202 | * @return
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203 | * @throws InitializeException
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204 | */
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205 | protected ResourceProvider createResource(String type, Object[] params) |
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206 | throws InitializeException {
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207 | ResourceManagerProviderServices manager = (ResourceManagerProviderServices) DALLocator |
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208 | .getResourceManager(); |
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209 | ResourceProvider resource = manager.createAddResource(type, params); |
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210 | return resource;
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211 | } |
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212 | |||
213 | /*
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214 | * (non-Javadoc)
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215 | *
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216 | * @see
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217 | * org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#getStoreServices()
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218 | */
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219 | public FeatureStoreProviderServices getStoreServices() {
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220 | return this.store; |
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221 | } |
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222 | |||
223 | public FeatureStore getFeatureStore() {
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224 | 42064 | jbadia | if(this.store == null){ |
225 | return null; |
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226 | } |
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227 | 40435 | jjdelcerro | return this.store.getFeatureStore(); |
228 | } |
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229 | |||
230 | /**
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231 | * unsupported by default, override this otherwise
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232 | *
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233 | * @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#allowWrite()
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234 | */
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235 | public boolean allowWrite() { |
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236 | return false; |
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237 | } |
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238 | |||
239 | /**
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240 | * unsupported by default, override this otherwise
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241 | *
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242 | * @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#performChanges(Iterator,
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243 | * Iterator, Iterator, Iterator)
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244 | */
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245 | |||
246 | public void performChanges(Iterator deleteds, Iterator inserteds, |
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247 | Iterator updateds, Iterator featureTypesChanged) |
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248 | throws DataException {
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249 | // FIXME exception
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250 | throw new UnsupportedOperationException(); |
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251 | |||
252 | } |
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253 | |||
254 | /**
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255 | * unsupported by default, override this otherwise
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256 | *
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257 | * @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#isLocksSupported()
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258 | */
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259 | public boolean isLocksSupported() { |
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260 | return false; |
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261 | } |
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262 | |||
263 | /**
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264 | * Default Factory of {@link FeatureProvider}. Create a new default
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265 | * {@link FeatureProvider} instance.<br>
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266 | *
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267 | * Override this if you need an special implemtation of
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268 | * {@link FeatureProvider}.
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269 | *
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270 | * @return
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271 | * @throws DataException
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272 | *
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273 | * @see {@link org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#createFeatureProvider(FeatureType)}
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274 | */
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275 | |||
276 | public FeatureProvider createFeatureProvider(FeatureType type)
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277 | throws DataException {
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278 | return this.store.createDefaultFeatureProvider(type); |
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279 | } |
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280 | |||
281 | /**
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282 | * unsupported by default (return <code>null</code>), override this
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283 | * otherwise
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284 | *
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285 | * @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#createFeatureLocks()
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286 | */
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287 | public FeatureLocks createFeatureLocks() throws DataException { |
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288 | return null; |
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289 | } |
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290 | |||
291 | /**
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292 | * Default Factory of {@link FeatureSelection}. Create a new default
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293 | * {@link FeatureSelection} instance.<br>
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294 | *
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295 | * Override this if you need an special implemtation of
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296 | * {@link FeatureSelection}.
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297 | *
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298 | * @return
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299 | * @throws DataException
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300 | *
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301 | * @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#createFeatureSelection()
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302 | */
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303 | public FeatureSelection createFeatureSelection() throws DataException { |
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304 | return this.store.createDefaultFeatureSelection(); |
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305 | } |
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306 | |||
307 | /**
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308 | * do nothing by default, override this otherwise
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309 | *
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310 | * @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#refresh()
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311 | */
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312 | public void refresh() throws OpenException { |
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313 | // Do nothing by default
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314 | } |
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315 | |||
316 | /**
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317 | * do nothing by default, override this otherwise
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318 | *
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319 | * @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#close()
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320 | */
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321 | public void close() throws CloseException { |
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322 | // Do nothing by default
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323 | } |
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324 | |||
325 | protected void doDispose() throws BaseException { |
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326 | this.metadata = null; |
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327 | this.store = null; |
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328 | } |
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329 | |||
330 | /**
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331 | * unsupported geometry by default (return <code>null</code>), override this
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332 | * otherwise
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333 | *
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334 | * @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#getEnvelope()
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335 | */
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336 | public Envelope getEnvelope() throws DataException { |
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337 | return null; |
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338 | } |
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339 | |||
340 | /**
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341 | * unsupported geometry write by default (return <code>false</code>),
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342 | * override this otherwise
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343 | *
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344 | * @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#canWriteGeometry(int,
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345 | * int)
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346 | */
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347 | public boolean canWriteGeometry(int geometryType, int geometrySubType) |
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348 | throws DataException {
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349 | return false; |
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350 | } |
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351 | |||
352 | // --- Metadata methods ---
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353 | |||
354 | public void delegate(DynObject dynObject) { |
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355 | if (this.metadata == null) { |
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356 | return;
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357 | } |
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358 | this.metadata.delegate(dynObject);
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359 | } |
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360 | |||
361 | public DynClass getDynClass() {
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362 | if (this.metadata == null) { |
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363 | return null; |
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364 | } |
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365 | return this.metadata.getDynClass(); |
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366 | } |
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367 | |||
368 | public Object getDynValue(String name) throws DynFieldNotFoundException { |
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369 | if (this.metadata == null) { |
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370 | return null; |
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371 | } |
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372 | // TODO this.open??
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373 | return this.metadata.getDynValue(name); |
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374 | } |
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375 | |||
376 | public boolean hasDynValue(String name) { |
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377 | if (this.metadata == null) { |
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378 | return false; |
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379 | } |
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380 | // TODO this.open??
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381 | return this.metadata.hasDynValue(name); |
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382 | } |
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383 | |||
384 | 43246 | jjdelcerro | @Override
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385 | public boolean hasDynMethod(String name) { |
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386 | if( metadata instanceof DynObject_v2 ) { |
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387 | return ((DynObject_v2)this.metadata).hasDynMethod(name); |
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388 | } |
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389 | return false; |
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390 | } |
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391 | |||
392 | 40435 | jjdelcerro | public void implement(DynClass dynClass) { |
393 | if (this.metadata == null) { |
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394 | return;
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395 | } |
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396 | this.metadata.implement(dynClass);
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397 | |||
398 | } |
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399 | |||
400 | 42775 | jjdelcerro | public Object invokeDynMethod(int code, Object[] args) |
401 | 40435 | jjdelcerro | throws DynMethodException {
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402 | if (this.metadata == null) { |
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403 | return null; |
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404 | } |
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405 | // TODO this.open??
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406 | 42775 | jjdelcerro | return this.metadata.invokeDynMethod(this, code, args); |
407 | 40435 | jjdelcerro | } |
408 | |||
409 | 42775 | jjdelcerro | public Object invokeDynMethod(String name, Object[] args) |
410 | 40435 | jjdelcerro | throws DynMethodException {
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411 | if (this.metadata == null) { |
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412 | return null; |
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413 | } |
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414 | // TODO this.open??
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415 | 42775 | jjdelcerro | return this.metadata.invokeDynMethod(this, name, args); |
416 | 40435 | jjdelcerro | } |
417 | |||
418 | public void setDynValue(String name, Object value) |
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419 | throws DynFieldNotFoundException {
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420 | if (this.metadata == null) { |
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421 | return;
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422 | } |
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423 | // TODO this.open??
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424 | this.metadata.setDynValue(name, value);
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425 | } |
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426 | |||
427 | // --- end Metadata methods ---
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428 | |||
429 | /**
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430 | * unsupported by default, override this otherwise
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431 | *
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432 | * @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#allowAutomaticValues()
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433 | */
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434 | public boolean allowAutomaticValues() { |
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435 | return false; |
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436 | |||
437 | } |
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438 | |||
439 | /**
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440 | * unsupported by default, override this otherwise
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441 | *
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442 | * @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#append(org.gvsig.
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443 | * fmap.dal.feature.spi.FeatureProvider)
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444 | */
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445 | public void append(FeatureProvider featureProvider) throws DataException { |
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446 | // FIXME exception
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447 | throw new UnsupportedOperationException(); |
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448 | } |
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449 | |||
450 | /**
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451 | * unsupported by default, override this otherwise
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452 | *
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453 | * @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#beginAppend()
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454 | */
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455 | public void beginAppend() throws DataException { |
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456 | // FIXME exception
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457 | throw new UnsupportedOperationException(); |
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458 | } |
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459 | |||
460 | /**
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461 | * unsupported by default, override this otherwise
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462 | *
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463 | * @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#endAppend()
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464 | */
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465 | public void endAppend() throws DataException { |
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466 | // FIXME exception
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467 | throw new UnsupportedOperationException(); |
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468 | } |
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469 | |||
470 | 41536 | jjdelcerro | public void abortAppend() throws DataException { |
471 | // FIXME exception
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472 | throw new UnsupportedOperationException(); |
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473 | } |
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474 | |||
475 | 40435 | jjdelcerro | /**
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476 | * unsupported by default, override this otherwise
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477 | *
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478 | * @see org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider#supportsAppendMode()
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479 | */
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480 | public boolean supportsAppendMode() { |
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481 | return false; |
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482 | } |
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483 | |||
484 | /**
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485 | * unsupported by default (return null), override this otherwise
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486 | *
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487 | * @see org.gvsig.fmap.dal.spi.DataStoreProvider#getChilds()
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488 | */
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489 | public Iterator getChilds() { |
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490 | return null; |
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491 | } |
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492 | |||
493 | /**
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494 | * unsupported by default (return null), override this otherwise
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495 | *
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496 | * @see org.gvsig.fmap.dal.spi.DataStoreProvider#getExplorer()
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497 | */
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498 | public DataServerExplorer getExplorer() throws ReadException, |
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499 | ValidateDataParametersException { |
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500 | return null; |
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501 | } |
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502 | |||
503 | public void clear() { |
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504 | if (metadata != null) { |
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505 | metadata.clear(); |
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506 | } |
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507 | } |
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508 | |||
509 | /**
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510 | * Returns a {@link FeatureProvider} by reference, using the provided
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511 | * {@link FeatureType}. This is the child classes implementation of the
|
||
512 | * {@link #getFeatureProviderByReference(FeatureReferenceProviderServices)}
|
||
513 | * method.
|
||
514 | 42712 | fdiaz | *
|
515 | 40435 | jjdelcerro | * @param reference
|
516 | * the reference to the {@link FeatureProvider}
|
||
517 | * @param featureType
|
||
518 | * the type of feature to load
|
||
519 | * @return the {@link FeatureProvider} being referenced
|
||
520 | * @throws DataException
|
||
521 | * if there is an error loading the {@link FeatureProvider}
|
||
522 | */
|
||
523 | protected abstract FeatureProvider internalGetFeatureProviderByReference( |
||
524 | FeatureReferenceProviderServices reference, FeatureType featureType) |
||
525 | throws DataException;
|
||
526 | |||
527 | public static class FeatureProviderNotFoundException extends DataException { |
||
528 | |||
529 | private static final long serialVersionUID = 5161749797695723151L; |
||
530 | |||
531 | public FeatureProviderNotFoundException(FeatureReference reference) {
|
||
532 | super("Cannot retreive FeatureProvider for reference %(reference)", |
||
533 | "_FeatureProviderNotFoundException", serialVersionUID);
|
||
534 | setValue("reference", reference.toString());
|
||
535 | } |
||
536 | } |
||
537 | 42712 | fdiaz | |
538 | 40435 | jjdelcerro | public boolean isKnownEnvelope(){ |
539 | return true; |
||
540 | } |
||
541 | 42712 | fdiaz | |
542 | 40435 | jjdelcerro | public boolean hasRetrievedFeaturesLimit(){ |
543 | return false; |
||
544 | } |
||
545 | 42712 | fdiaz | |
546 | 40435 | jjdelcerro | public int getRetrievedFeaturesLimit(){ |
547 | return -1; |
||
548 | } |
||
549 | |||
550 | 42712 | fdiaz | public Interval getInterval() {
|
551 | 40435 | jjdelcerro | return null; |
552 | 42712 | fdiaz | } |
553 | 40435 | jjdelcerro | |
554 | public Collection getTimes() { |
||
555 | // TODO Auto-generated method stub
|
||
556 | return null; |
||
557 | } |
||
558 | |||
559 | public Collection getTimes(Interval interval) { |
||
560 | // TODO Auto-generated method stub
|
||
561 | return null; |
||
562 | } |
||
563 | 42712 | fdiaz | |
564 | 43020 | jjdelcerro | @Override
|
565 | 43521 | jjdelcerro | public ExpressionBuilder createExpression() {
|
566 | 44198 | jjdelcerro | ExpressionBuilder builder = ExpressionEvaluatorLocator.getManager().createExpressionBuilder(); |
567 | return builder;
|
||
568 | 43020 | jjdelcerro | } |
569 | |||
570 | 42712 | fdiaz | protected void savePrjFile(File dataFile, IProjection proj){ |
571 | File file = new File(FilenameUtils.removeExtension(dataFile.getAbsolutePath())+".prj"); |
||
572 | try {
|
||
573 | String export = proj.export(ICRSFactory.FORMAT_WKT_ESRI); |
||
574 | if(export!=null){ |
||
575 | FileUtils.writeStringToFile(file, export);
|
||
576 | } |
||
577 | } catch (Exception e) { |
||
578 | logger.info("Can't write prj file '" + file.getAbsolutePath() + "'."); |
||
579 | } |
||
580 | } |
||
581 | 40767 | jjdelcerro | } |