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 / serverexplorer / filesystem / impl / DefaultFilesystemServerExplorer.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.serverexplorer.filesystem.impl; |
25 | |||
26 | import java.io.File; |
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27 | import java.util.ArrayList; |
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28 | import java.util.HashSet; |
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29 | import java.util.Iterator; |
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30 | import java.util.List; |
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31 | import java.util.Set; |
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32 | |||
33 | import org.gvsig.fmap.dal.DALFileLocator; |
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34 | import org.gvsig.fmap.dal.DALLocator; |
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35 | import org.gvsig.fmap.dal.DataManager; |
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36 | import org.gvsig.fmap.dal.DataServerExplorerParameters; |
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37 | import org.gvsig.fmap.dal.DataStore; |
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38 | import org.gvsig.fmap.dal.DataStoreParameters; |
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39 | import org.gvsig.fmap.dal.NewDataStoreParameters; |
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40 | import org.gvsig.fmap.dal.exception.DataException; |
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41 | import org.gvsig.fmap.dal.exception.FileNotFoundException; |
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42 | import org.gvsig.fmap.dal.exception.InitializeException; |
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43 | import org.gvsig.fmap.dal.exception.ProviderNotRegisteredException; |
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44 | import org.gvsig.fmap.dal.exception.RemoveException; |
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45 | import org.gvsig.fmap.dal.exception.ServerExplorerAddException; |
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46 | import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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47 | import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemFileFilter; |
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48 | import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorer; |
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49 | import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemServerExplorerParameters; |
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50 | import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemStoreParameters; |
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51 | import org.gvsig.fmap.dal.serverexplorer.filesystem.spi.FilesystemServerExplorerProvider; |
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52 | import org.gvsig.fmap.dal.serverexplorer.filesystem.spi.FilesystemServerExplorerProviderServices; |
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53 | import org.gvsig.fmap.dal.spi.DataManagerProviderServices; |
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54 | import org.gvsig.fmap.dal.spi.DataServerExplorerProviderServices; |
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55 | import org.gvsig.tools.dispose.impl.AbstractDisposable; |
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56 | import org.gvsig.tools.exception.BaseException; |
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57 | import org.gvsig.tools.extensionpoint.ExtensionPoint.Extension; |
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58 | |||
59 | public class DefaultFilesystemServerExplorer extends AbstractDisposable |
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60 | implements FilesystemServerExplorerProviderServices,
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61 | FilesystemFileFilter { |
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62 | |||
63 | FilesystemServerExplorerParameters parameters; |
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64 | |||
65 | private File root; |
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66 | |||
67 | private File current; // Current path |
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68 | |||
69 | private DataServerExplorerProviderServices providerServices;
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70 | |||
71 | private List serverProviders; |
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72 | |||
73 | public DefaultFilesystemServerExplorer(
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74 | FilesystemServerExplorerParameters parameters, |
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75 | DataServerExplorerProviderServices services) |
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76 | throws InitializeException {
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77 | this.parameters = parameters;
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78 | this.providerServices = services;
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79 | if (this.parameters.getRoot() != null) { |
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80 | this.root = new File(this.parameters.getRoot()); |
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81 | } |
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82 | if (this.parameters.getInitialpath() != null) { |
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83 | this.current = new File(this.parameters.getInitialpath()); |
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84 | } |
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85 | if (this.root == null && this.current == null) { |
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86 | // throw new InitializeException(this.getName(),
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87 | // new IllegalArgumentException());
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88 | } else if (this.current == null) { |
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89 | this.current = new File(this.parameters.getRoot()); |
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90 | } |
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91 | } |
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92 | |||
93 | public DataServerExplorerParameters getParameters() {
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94 | return parameters;
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95 | } |
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96 | |||
97 | protected void doDispose() throws BaseException { |
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98 | this.parameters = null; |
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99 | this.root = null; |
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100 | } |
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101 | |||
102 | public List list(int mode) throws DataException { |
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103 | if (this.current == null) { |
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104 | throw new IllegalStateException(); |
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105 | } |
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106 | if (!this.current.exists()) { |
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107 | new org.gvsig.fmap.dal.exception.FileNotFoundException(this.current); |
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108 | } |
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109 | |||
110 | if (!this.current.isDirectory()) { |
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111 | new IllegalArgumentException(this.getProviderName() |
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112 | + ": Path not a directory '" + this.current + "'"); |
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113 | } |
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114 | |||
115 | List files = new ArrayList(); // return files |
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116 | List providers = this.getProviders(mode); |
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117 | String allfiles[] = this.current.list(); |
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118 | |||
119 | for (int i = 0; i < allfiles.length; i++) { |
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120 | File file = new File(this.root, allfiles[i]); |
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121 | Iterator providersit = providers.iterator();
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122 | while (providersit.hasNext()) {
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123 | FilesystemServerExplorerProvider provider = (FilesystemServerExplorerProvider) providersit |
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124 | .next(); |
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125 | if( provider.accept(file)) {
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126 | DataStoreParameters dsp = this.createStoreParameters(file);
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127 | if (dsp != null) { |
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128 | files.add(dsp); |
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129 | } |
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130 | break;
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131 | } |
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132 | } |
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133 | } |
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134 | return files;
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135 | } |
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136 | |||
137 | public List list() throws DataException { |
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138 | if (this.current == null) { |
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139 | throw new IllegalStateException(); // FIXME |
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140 | } |
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141 | if (!this.current.exists()) { |
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142 | // TODO crear excepcion de Data??
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143 | new org.gvsig.fmap.dal.exception.FileNotFoundException(this.current); |
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144 | } |
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145 | |||
146 | if (!this.current.isDirectory()) { |
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147 | new IllegalArgumentException(this.getProviderName() |
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148 | + ": Path not a directory '" + this.current + "'"); |
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149 | } |
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150 | |||
151 | String files[] = this.current.list(); |
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152 | int i;
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153 | File theFile;
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154 | ArrayList list = new ArrayList(); |
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155 | DataStoreParameters dsp = null;
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156 | |||
157 | for (i = 0; i < files.length; i++) { |
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158 | theFile = new File(this.root, files[i]); |
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159 | dsp = this.createStoreParameters(theFile);
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160 | if (dsp != null) { |
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161 | list.add(dsp); |
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162 | } |
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163 | } |
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164 | return list;
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165 | } |
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166 | |||
167 | public void setCurrentPath(File path) throws FileNotFoundException { |
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168 | // FIXME Comprobar si es un directorio existente
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169 | if (!path.exists()) {
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170 | throw new FileNotFoundException(path); |
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171 | } |
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172 | if (!path.isDirectory()) {
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173 | throw new IllegalArgumentException(path.getPath() |
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174 | + " is not a directory");
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175 | } |
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176 | if (!isFromRoot(path)) {
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177 | throw new IllegalArgumentException(path.getPath() |
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178 | + " is not from root");
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179 | |||
180 | } |
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181 | |||
182 | this.current = path;
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183 | } |
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184 | |||
185 | public File getCurrentPath() { |
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186 | return this.current; |
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187 | } |
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188 | |||
189 | public File getRoot() { |
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190 | return this.root; |
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191 | } |
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192 | |||
193 | public void remove(DataStoreParameters dsp) throws RemoveException { |
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194 | String providerName = dsp.getDataStoreName();
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195 | try {
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196 | this.checkIsMine(dsp);
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197 | FilesystemServerExplorerProvider provider = this
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198 | .getProvider(providerName); |
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199 | |||
200 | provider.remove(dsp); |
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201 | } catch (DataException e) {
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202 | throw new RemoveException(this.getProviderName(), e); |
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203 | } |
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204 | } |
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205 | |||
206 | public boolean add(String providerName, NewDataStoreParameters ndsp, |
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207 | boolean overwrite) throws DataException { |
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208 | |||
209 | try {
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210 | this.checkIsMine(ndsp);
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211 | FilesystemServerExplorerProvider provider = this
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212 | .getProvider(providerName); |
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213 | |||
214 | ndsp.validate(); |
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215 | provider.create(ndsp, overwrite); |
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216 | return true; |
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217 | } catch (DataException e) {
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218 | throw new ServerExplorerAddException(this.getProviderName(), e); |
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219 | } catch (ValidateDataParametersException e) {
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220 | throw new ServerExplorerAddException(this.getProviderName(), e); |
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221 | } |
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222 | } |
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223 | |||
224 | public boolean canAdd() { |
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225 | return this.root.canWrite(); |
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226 | } |
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227 | |||
228 | public String getProviderName() { |
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229 | return FilesystemServerExplorer.NAME;
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230 | } |
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231 | |||
232 | public NewDataStoreParameters getAddParameters(String storeName) |
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233 | throws DataException {
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234 | FilesystemServerExplorerProvider provider = this.getProvider(storeName);
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235 | if (provider == null) { |
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236 | throw new IllegalArgumentException( |
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237 | "Not registered in this explorer"); // FIXME |
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238 | } |
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239 | |||
240 | NewDataStoreParameters nParams = provider.getCreateParameters(); |
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241 | // nParams.setAttribute("path", this.getCurrentPath().getPath());
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242 | return nParams;
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243 | } |
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244 | |||
245 | public boolean canAdd(String storeName) throws DataException { |
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246 | if (storeName == null) { |
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247 | return false;// CanAdd with genericFilter |
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248 | } |
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249 | FilesystemServerExplorerProvider provider = this.getProvider(storeName);
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250 | if (provider == null) { |
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251 | throw new IllegalArgumentException( |
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252 | "Not registered in this explorer"); // FIXME |
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253 | } |
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254 | |||
255 | return provider.canCreate();
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256 | |||
257 | } |
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258 | |||
259 | // ==========================================
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260 | |||
261 | private FilesystemServerExplorerProvider getProvider(String storeName) |
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262 | throws InitializeException, ProviderNotRegisteredException {
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263 | Iterator providers = getProviders(FilesystemServerExplorer.MODE_ALL).iterator();
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264 | FilesystemServerExplorerProvider provider; |
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265 | while (providers.hasNext()) {
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266 | provider = (FilesystemServerExplorerProvider) providers.next(); |
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267 | if (provider.getDataStoreProviderName().equals(storeName)) {
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268 | return provider;
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269 | } |
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270 | } |
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271 | return null; |
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272 | } |
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273 | |||
274 | private DataManagerProviderServices getManager() {
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275 | return (DataManagerProviderServices) DALLocator.getDataManager();
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276 | } |
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277 | |||
278 | public DataStoreParameters createStoreParameters(File file, String providerName) throws DataException { |
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279 | |||
280 | return this.getParametersFor(file, providerName, true); |
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281 | } |
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282 | |||
283 | public DataStoreParameters createStoreParameters(File file) throws DataException { |
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284 | |||
285 | return this.getParametersFor(file, null, true); |
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286 | } |
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287 | |||
288 | public DataStoreParameters getParametersFor(File file, String providerName, boolean checksExist) throws DataException { |
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289 | |||
290 | if (checksExist) {
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291 | if (!file.exists()) {
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292 | return null; |
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293 | } |
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294 | if (!file.isFile()) {
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295 | return null; |
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296 | } |
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297 | if (!file.canRead()) {
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298 | return null; |
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299 | } |
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300 | if (file.isHidden()) { // XXX ??? |
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301 | return null; |
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302 | } |
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303 | } |
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304 | if(providerName == null) |
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305 | providerName = this.getProviderName(file);
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306 | if (providerName != null) { |
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307 | DataStoreParameters params = this.getManager()
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308 | .createStoreParameters(providerName); |
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309 | ((FilesystemStoreParameters) params).setFile(file); |
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310 | return params;
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311 | |||
312 | } |
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313 | return null; |
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314 | } |
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315 | |||
316 | public List getProviderNameList(File file) { |
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317 | Iterator filters = getFilters();
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318 | List list = new ArrayList(); |
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319 | while (filters.hasNext()) {
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320 | FilesystemFileFilter filter = (FilesystemFileFilter) filters.next(); |
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321 | if (filter.accept(file)) {
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322 | list.add(filter.getDataStoreProviderName()); |
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323 | } |
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324 | } |
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325 | return list;
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326 | } |
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327 | |||
328 | public String getProviderName(File file) { |
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329 | Iterator filters = getFilters();
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330 | while (filters.hasNext()) {
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331 | FilesystemFileFilter filter = (FilesystemFileFilter) filters.next(); |
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332 | if (filter.accept(file)) {
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333 | return filter.getDataStoreProviderName();
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334 | } |
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335 | } |
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336 | return null; |
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337 | } |
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338 | |||
339 | public List getDataStoreProviderNames() { |
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340 | Set names = new HashSet(); |
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341 | |||
342 | Iterator filters = getFilters();
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343 | while (filters.hasNext()) {
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344 | FilesystemFileFilter filter = (FilesystemFileFilter) filters.next(); |
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345 | names.add(filter.getDataStoreProviderName()); |
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346 | } |
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347 | return new ArrayList(names); |
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348 | } |
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349 | |||
350 | private void checkIsMine(DataStoreParameters dsp) |
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351 | throws IllegalArgumentException, DataException { |
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352 | // FIXME Exception ???
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353 | if (!(dsp instanceof FilesystemStoreParameters)) { |
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354 | new IllegalArgumentException( |
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355 | "not instance of FilesystemStoreParameters");
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356 | } |
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357 | Iterator filters = getFilters();
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358 | File file = ((FilesystemStoreParameters) dsp).getFile();
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359 | if (!this.isFromRoot(file)) { |
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360 | throw new IllegalArgumentException("worng explorer"); |
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361 | } |
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362 | FilesystemFileFilter filter; |
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363 | while (filters.hasNext()) {
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364 | filter = (FilesystemFileFilter) filters.next(); |
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365 | if (dsp.getDataStoreName()
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366 | .equals(filter.getDataStoreProviderName())) { |
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367 | return;
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368 | } |
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369 | } |
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370 | throw new IllegalArgumentException("worng explorer"); |
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371 | } |
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372 | |||
373 | private boolean isFromRoot(File file) { |
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374 | if (this.root == null) { |
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375 | return true; |
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376 | } |
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377 | return file.getAbsolutePath().startsWith(this.root.getAbsolutePath()); |
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378 | } |
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379 | |||
380 | public List getProviders() { |
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381 | if (this.serverProviders == null) { |
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382 | Iterator iter = DALFileLocator.getFilesystemServerExplorerManager()
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383 | .getRegisteredProviders(); |
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384 | this.serverProviders = new ArrayList(); |
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385 | Extension ext; |
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386 | FilesystemServerExplorerProvider provider; |
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387 | while (iter.hasNext()) {
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388 | ext = (Extension) iter.next(); |
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389 | try {
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390 | provider = (FilesystemServerExplorerProvider) ext.create(); |
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391 | } catch (Exception e) { |
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392 | throw new RuntimeException(e);// FIXME !!! |
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393 | } |
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394 | provider.initialize(this);
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395 | this.serverProviders.add(provider);
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396 | } |
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397 | } |
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398 | return this.serverProviders; |
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399 | } |
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400 | |||
401 | public List getProviders(int mode) { |
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402 | Iterator iter = DALFileLocator.getFilesystemServerExplorerManager()
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403 | .getRegisteredProviders(); |
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404 | List providers = new ArrayList(); |
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405 | Extension ext; |
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406 | FilesystemServerExplorerProvider provider; |
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407 | while (iter.hasNext()) {
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408 | ext = (Extension) iter.next(); |
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409 | try {
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410 | provider = (FilesystemServerExplorerProvider) ext.create(); |
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411 | } catch (Exception e) { |
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412 | throw new RuntimeException(e);// FIXME !!! |
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413 | } |
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414 | if (provider.isMode(mode)) {
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415 | provider.initialize(this);
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416 | providers.add(provider); |
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417 | } |
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418 | } |
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419 | return providers;
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420 | } |
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421 | |||
422 | public Iterator getFilters(int mode) { |
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423 | return this.getProviders(mode).iterator(); |
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424 | } |
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425 | |||
426 | public Iterator getFilters() { |
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427 | return this.getProviders().iterator(); |
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428 | } |
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429 | |||
430 | public FilesystemFileFilter getFilter(int mode, final String description ) { |
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431 | |||
432 | final List filters = new ArrayList(); |
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433 | Iterator it = this.getFilters(mode); |
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434 | while( it.hasNext() ) {
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435 | filters.add( it.next() ); |
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436 | } |
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437 | FilesystemFileFilter filter = new FilesystemFileFilter() {
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438 | |||
439 | public boolean accept(File f) { |
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440 | if (f.isDirectory()) {
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441 | return true; |
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442 | } |
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443 | for(int i=0; i<filters.size(); i++) { |
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444 | if( ((FilesystemFileFilter)filters.get(i)).accept(f) ) {
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445 | return true; |
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446 | } |
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447 | } |
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448 | return false; |
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449 | } |
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450 | |||
451 | public String getDescription() { |
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452 | return description;
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453 | } |
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454 | |||
455 | public String getDataStoreProviderName() { |
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456 | return null; |
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457 | } |
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458 | }; |
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459 | return filter;
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460 | } |
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461 | |||
462 | public FilesystemFileFilter getGenericFilter() {
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463 | // FIXME: Este metodo, getGenericFilter, no tengo claro que deba existir (jjdc)
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464 | return this; |
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465 | } |
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466 | |||
467 | public String getDataStoreProviderName() { |
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468 | return null; |
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469 | } |
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470 | |||
471 | public String getDescription() { |
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472 | return "All supporteds"; |
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473 | } |
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474 | |||
475 | public boolean accept(File pathname) { |
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476 | try {
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477 | return this.createStoreParameters(pathname) != null; |
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478 | } catch (DataException e) {
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479 | throw new RuntimeException(e); // FIXME excpetion?? |
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480 | } |
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481 | } |
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482 | |||
483 | public DataServerExplorerProviderServices getServerExplorerProviderServices() {
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484 | return this.providerServices; |
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485 | } |
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486 | |||
487 | public DataStore open(File file) throws DataException, |
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488 | ValidateDataParametersException { |
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489 | DataManager manager = DALLocator.getDataManager(); |
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490 | String providerName = this.getProviderName(file); |
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491 | |||
492 | DataStoreParameters params = this.getAddParameters(file);
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493 | return manager.openStore(providerName, params);
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494 | } |
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495 | |||
496 | public NewDataStoreParameters getAddParameters(File file) |
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497 | throws DataException {
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498 | DataStoreParameters params = this.getParametersFor(file, null, false); |
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499 | NewDataStoreParameters newParams = this.getAddParameters(params
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500 | .getDataStoreName()); |
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501 | ((FilesystemStoreParameters) newParams) |
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502 | .setFile(((FilesystemStoreParameters) params).getFile()); |
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503 | return newParams;
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504 | } |
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505 | |||
506 | public File getResourcePath(DataStore dataStore, String resourceName) throws DataException { |
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507 | FilesystemServerExplorerProvider provider = |
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508 | this.getProvider(dataStore.getProviderName());
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509 | if (provider == null){ |
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510 | return null; |
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511 | } |
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512 | String rootPath = provider.getResourceRootPathName(dataStore);
|
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513 | if (rootPath == null){ |
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514 | return null; |
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515 | } |
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516 | return new File(rootPath + "." + resourceName); |
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517 | } |
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518 | } |