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 / FileHelper.java @ 40559
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | *
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4 | * Copyright (C) 2007-2013 gvSIG Association.
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 3
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | */
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24 | 40435 | jjdelcerro | package org.gvsig.fmap.dal; |
25 | |||
26 | import java.io.InputStream; |
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27 | |||
28 | import org.gvsig.metadata.MetadataLocator; |
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29 | import org.gvsig.metadata.MetadataManager; |
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30 | import org.gvsig.metadata.exceptions.MetadataException; |
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31 | import org.gvsig.tools.ToolsLocator; |
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32 | import org.gvsig.tools.dynobject.DynObject; |
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33 | import org.gvsig.tools.dynobject.DynStruct; |
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34 | import org.gvsig.tools.exception.BaseRuntimeException; |
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35 | import org.gvsig.tools.persistence.PersistenceManager; |
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36 | import org.slf4j.Logger; |
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37 | import org.slf4j.LoggerFactory; |
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38 | |||
39 | public class FileHelper { |
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40 | |||
41 | private static final Logger LOG = LoggerFactory.getLogger(FileHelper.class); |
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42 | |||
43 | private FileHelper() {
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44 | // Do nothing
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45 | } |
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46 | |||
47 | public static DynStruct registerParametersDefinition(String name, Class theClass, String filename) { |
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48 | DynStruct definition = null;
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49 | |||
50 | PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
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51 | definition = manager.getDefinition(name); |
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52 | if ( definition == null) { |
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53 | InputStream stream = theClass.getResourceAsStream(filename);
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54 | if( stream == null ) { |
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55 | throw new DefinitionNotFoundException(theClass,filename); |
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56 | } |
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57 | definition = manager.addDefinition( |
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58 | theClass, |
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59 | name, |
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60 | stream, |
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61 | theClass.getClassLoader(), |
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62 | null,
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63 | null
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64 | ); |
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65 | } |
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66 | return definition;
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67 | } |
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68 | |||
69 | public static DynStruct registerMetadataDefinition(String name, Class theClass, String filename) throws MetadataException { |
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70 | DynStruct definition = null;
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71 | |||
72 | MetadataManager manager = MetadataLocator.getMetadataManager(); |
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73 | definition = manager.getDefinition(name); |
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74 | if ( definition == null) { |
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75 | InputStream stream = theClass.getResourceAsStream(filename);
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76 | if( stream == null ) { |
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77 | throw new DefinitionNotFoundException(theClass,filename); |
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78 | } |
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79 | definition = manager.addDefinition( |
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80 | name, |
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81 | theClass.getResourceAsStream(filename), |
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82 | theClass.getClassLoader() |
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83 | ); |
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84 | } |
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85 | return definition;
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86 | } |
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87 | |||
88 | public static DynObject newParameters(String name) { |
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89 | return ToolsLocator.getDynObjectManager()
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90 | .createDynObject( |
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91 | ToolsLocator.getPersistenceManager().getDefinition(name) |
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92 | ); |
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93 | } |
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94 | |||
95 | public static DynObject newMetadataContainer(String name) { |
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96 | try {
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97 | MetadataManager manager = MetadataLocator.getMetadataManager(); |
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98 | DynStruct definition = manager.getDefinition(name); |
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99 | return ToolsLocator.getDynObjectManager().createDynObject(definition);
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100 | } catch(NullPointerException e) { |
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101 | throw new CantCreateMetadataException(name,e); |
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102 | } |
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103 | } |
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104 | |||
105 | private static class DefinitionNotFoundException extends BaseRuntimeException { |
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106 | |||
107 | /**
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108 | *
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109 | */
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110 | private static final long serialVersionUID = 7598155353307119897L; |
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111 | |||
112 | public DefinitionNotFoundException(Class theClass, String filename ) { |
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113 | super(
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114 | "Can't open parameters definition '%(filename)' from class %(classname).",
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115 | "_ResourceForParametersDefinitionNotFoundException",
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116 | serialVersionUID |
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117 | ); |
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118 | this.setValue("filename", filename); |
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119 | this.setValue("classname", theClass.getClass().getName()); |
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120 | } |
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121 | } |
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122 | |||
123 | private static class CantCreateMetadataException extends RuntimeException { |
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124 | |||
125 | /**
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126 | *
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127 | */
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128 | private static final long serialVersionUID = -8373306339537106075L; |
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129 | |||
130 | CantCreateMetadataException(String name, Throwable cause) { |
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131 | super("Can't retrieve metadata definition for '"+name+"'.", cause); |
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132 | } |
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133 | } |
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134 | } |