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.lib / src / main / java / org / gvsig / fmap / dal / feature / spi / simpleprovider / AbstractSimpleSequentialReaderFactory.java @ 44259
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1 | 44057 | jjdelcerro | package org.gvsig.fmap.dal.feature.spi.simpleprovider; |
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2 | |||
3 | import java.io.File; |
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4 | import java.io.IOException; |
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5 | import java.io.InputStream; |
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6 | import java.net.URL; |
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7 | import org.apache.commons.io.FilenameUtils; |
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8 | import org.gvsig.fmap.dal.DALFileLocator; |
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9 | import org.gvsig.fmap.dal.DALLocator; |
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10 | 44242 | jjdelcerro | import org.gvsig.fmap.dal.DataParameters; |
11 | 44057 | jjdelcerro | import org.gvsig.fmap.dal.feature.FeatureStoreProviderFactory; |
12 | 44232 | jjdelcerro | import org.gvsig.fmap.dal.feature.OpenFeatureStoreParameters; |
13 | 44057 | jjdelcerro | import org.gvsig.fmap.dal.serverexplorer.filesystem.spi.FilesystemServerExplorerProviderFactory; |
14 | import org.gvsig.fmap.dal.spi.DataManagerProviderServices; |
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15 | import org.gvsig.metadata.MetadataLocator; |
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16 | import org.gvsig.metadata.MetadataManager; |
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17 | import org.gvsig.tools.ToolsLocator; |
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18 | import org.gvsig.tools.dynobject.DynStruct; |
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19 | import org.gvsig.tools.persistence.PersistenceManager; |
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20 | import org.slf4j.Logger; |
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21 | import org.slf4j.LoggerFactory; |
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22 | |||
23 | /**
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24 | *
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25 | * @author jjdelcerro
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26 | */
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27 | 44242 | jjdelcerro | public abstract class AbstractSimpleSequentialReaderFactory implements SimpleSequentialReaderFactory { |
28 | 44057 | jjdelcerro | |
29 | 44242 | jjdelcerro | protected Logger LOGGER = LoggerFactory.getLogger(AbstractSimpleSequentialReaderFactory.class); |
30 | 44057 | jjdelcerro | |
31 | private final String name; |
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32 | private final String description; |
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33 | private final String[] extensions; |
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34 | |||
35 | 44242 | jjdelcerro | protected AbstractSimpleSequentialReaderFactory(
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36 | 44057 | jjdelcerro | String name,
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37 | String description,
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38 | String[] extensions |
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39 | ) { |
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40 | this.name = name;
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41 | this.description = description;
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42 | this.extensions = extensions;
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43 | } |
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44 | |||
45 | 44242 | jjdelcerro | protected Logger logger() { |
46 | return LOGGER;
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47 | } |
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48 | |||
49 | 44057 | jjdelcerro | @Override
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50 | public String getName() { |
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51 | return name;
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52 | } |
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53 | |||
54 | @Override
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55 | public String getDescription() { |
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56 | return description;
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57 | } |
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58 | |||
59 | @Override
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60 | public String[] getExtensions() { |
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61 | return extensions;
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62 | } |
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63 | |||
64 | @Override
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65 | public boolean accept(File pathname) { |
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66 | return FilenameUtils.isExtension(pathname.getName(), this.getExtensions()); |
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67 | } |
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68 | |||
69 | @Override
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70 | public FeatureStoreProviderFactory createStoreProviderFactory() {
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71 | 44242 | jjdelcerro | return new SimpleSequentialReaderStoreProviderFactory(this); |
72 | 44057 | jjdelcerro | } |
73 | |||
74 | @Override
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75 | public FilesystemServerExplorerProviderFactory createFilesystemServerProviderFactory() {
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76 | 44242 | jjdelcerro | return new SimpleSequentialReaderFilesystemServerProviderFactory(this); |
77 | 44057 | jjdelcerro | } |
78 | |||
79 | private InputStream openStream(URL url) { |
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80 | try {
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81 | return url.openStream();
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82 | } catch (IOException ex) { |
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83 | return null; |
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84 | } |
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85 | } |
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86 | |||
87 | @Override
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88 | public void selfRegister(Class loader) { |
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89 | this.selfRegister(
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90 | loader.getResource(this.getName() + "Parameters.xml"), |
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91 | loader.getResource(this.getName() + "Metadata.xml") |
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92 | ); |
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93 | } |
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94 | |||
95 | @SuppressWarnings("UseSpecificCatch") |
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96 | @Override
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97 | public void selfRegister(URL parameters_xml, URL metadata_xml) { |
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98 | DynStruct definition; |
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99 | PersistenceManager persistenceManager = ToolsLocator.getPersistenceManager(); |
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100 | |||
101 | definition = persistenceManager.getDefinition(this.getName());
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102 | if (definition == null) { |
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103 | InputStream stream = this.openStream(parameters_xml); |
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104 | if (stream == null) { |
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105 | throw new RuntimeException("Can't access parameters definition in resource '" + parameters_xml.toString() + "'."); |
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106 | } |
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107 | 44232 | jjdelcerro | persistenceManager.updateDefinition( |
108 | 44242 | jjdelcerro | SimpleSequentialReaderStoreParameters.class, |
109 | 44057 | jjdelcerro | this.getName(),
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110 | stream, |
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111 | 44242 | jjdelcerro | SimpleSequentialReaderStoreParameters.class.getClassLoader(), |
112 | 44057 | jjdelcerro | null,
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113 | null
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114 | ); |
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115 | } |
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116 | |||
117 | if( metadata_xml!=null ) { |
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118 | MetadataManager metadataManager = MetadataLocator.getMetadataManager(); |
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119 | try {
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120 | definition = metadataManager.getDefinition(this.getName());
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121 | if (definition == null) { |
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122 | InputStream stream = this.openStream(metadata_xml); |
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123 | metadataManager.addDefinition( |
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124 | this.getName(),
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125 | stream, |
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126 | 44242 | jjdelcerro | SimpleSequentialReaderStoreParameters.class.getClassLoader() |
127 | 44057 | jjdelcerro | ); |
128 | } |
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129 | } catch (Exception e) { |
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130 | LOGGER.warn( |
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131 | "Can't access metadata definition in resource '" + metadata_xml.toString() + "'.", |
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132 | e |
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133 | ); |
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134 | } |
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135 | } |
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136 | |||
137 | DataManagerProviderServices dataman = (DataManagerProviderServices) DALLocator |
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138 | .getDataManager(); |
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139 | |||
140 | if (!dataman.getStoreProviders().contains(this.getName())) { |
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141 | dataman.registerStoreProviderFactory( |
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142 | 44242 | jjdelcerro | new SimpleSequentialReaderStoreProviderFactory(this) |
143 | 44057 | jjdelcerro | ); |
144 | } |
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145 | |||
146 | try {
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147 | DALFileLocator.getFilesystemServerExplorerManager() |
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148 | .registerProviderFactory( |
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149 | 44242 | jjdelcerro | new SimpleSequentialReaderFilesystemServerProviderFactory(this) |
150 | 44057 | jjdelcerro | ); |
151 | } catch (Exception e) { |
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152 | LOGGER.warn( |
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153 | "Can't register filesystem server provider factory ("+this.getName()+").", |
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154 | e |
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155 | ); |
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156 | |||
157 | } |
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158 | |||
159 | } |
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160 | 44242 | jjdelcerro | |
161 | 44232 | jjdelcerro | @Override
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162 | 44242 | jjdelcerro | public void fetchDefaultParameters(DataParameters parameters) { |
163 | // Default do nothing
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164 | } |
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165 | |||
166 | @Override
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167 | public abstract SimpleSequentialReader createReader(OpenFeatureStoreParameters params); |
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168 | 44232 | jjdelcerro | |
169 | 44057 | jjdelcerro | } |