svn-gvsig-desktop / tags / v2_0_0_Build_2021 / extensions / org.gvsig.installer / org.gvsig.installer.lib / org.gvsig.installer.lib.impl / src / main / java / org / gvsig / installer / lib / impl / DefaultInstallerProviderServices.java @ 34107
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1 | 32400 | jpiera | /* gvSIG. Geographic Information System of the Valencian Government
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2 | 33729 | cordinyana | *
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3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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4 | * of the Valencian Government (CIT)
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 2
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | */
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22 | 32400 | jpiera | |
23 | /*
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24 | 33729 | cordinyana | * AUTHORS (In addition to CIT):
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25 | * 2010 {Prodevelop} {Task}
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26 | */
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27 | |||
28 | 32400 | jpiera | package org.gvsig.installer.lib.impl; |
29 | |||
30 | 33982 | cordinyana | import java.io.BufferedInputStream; |
31 | import java.io.BufferedOutputStream; |
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32 | 32400 | jpiera | import java.io.File; |
33 | 33982 | cordinyana | import java.io.FileOutputStream; |
34 | import java.io.IOException; |
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35 | 32400 | jpiera | import java.io.InputStream; |
36 | 32498 | jpiera | import java.io.OutputStream; |
37 | 33982 | cordinyana | import java.net.URL; |
38 | import java.net.URLConnection; |
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39 | import java.util.Date; |
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40 | 32500 | jpiera | import java.util.List; |
41 | import java.util.Map; |
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42 | 33982 | cordinyana | import java.util.StringTokenizer; |
43 | 32400 | jpiera | |
44 | 33982 | cordinyana | import org.slf4j.Logger; |
45 | import org.slf4j.LoggerFactory; |
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46 | |||
47 | 32562 | jpiera | import org.gvsig.installer.lib.api.PackageInfo; |
48 | import org.gvsig.installer.lib.api.creation.MakePluginPackageServiceException; |
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49 | import org.gvsig.installer.lib.api.execution.InstallPackageServiceException; |
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50 | 32498 | jpiera | import org.gvsig.installer.lib.impl.info.InstallerInfoFileReader; |
51 | import org.gvsig.installer.lib.impl.info.InstallerInfoFileWriter; |
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52 | 32500 | jpiera | import org.gvsig.installer.lib.impl.utils.Compress; |
53 | import org.gvsig.installer.lib.impl.utils.Decompress; |
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54 | 32627 | jpiera | import org.gvsig.installer.lib.spi.InstallPackageProviderServices; |
55 | 32498 | jpiera | import org.gvsig.installer.lib.spi.InstallerInfoFileException; |
56 | 32400 | jpiera | import org.gvsig.tools.service.spi.AbstractProviderServices; |
57 | |||
58 | /**
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59 | * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera Llodrá</a>
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60 | */
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61 | 33729 | cordinyana | public class DefaultInstallerProviderServices extends AbstractProviderServices |
62 | implements InstallPackageProviderServices {
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63 | 32400 | jpiera | |
64 | 33982 | cordinyana | private static final Logger LOG = LoggerFactory |
65 | .getLogger(DefaultInstallerProviderServices.class); |
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66 | |||
67 | 33729 | cordinyana | private static final String INSTALL_INFO_FILE = "package.info"; |
68 | 32400 | jpiera | |
69 | 33729 | cordinyana | public void decompress(InputStream is, File outputDirectory) |
70 | throws InstallPackageServiceException {
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71 | Decompress decompress = new Decompress();
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72 | decompress.decompressPlugin(is, outputDirectory); |
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73 | } |
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74 | 32498 | jpiera | |
75 | 33729 | cordinyana | public PackageInfo readCompressedPackageInfo(InputStream is) |
76 | throws InstallPackageServiceException {
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77 | Decompress decompress = new Decompress();
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78 | try {
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79 | return decompress.readInstallerInfo(is);
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80 | } catch (InstallerInfoFileException e) {
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81 | throw new InstallPackageServiceException( |
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82 | "Exception reading a compressed file", e);
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83 | } |
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84 | } |
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85 | 32498 | jpiera | |
86 | 34020 | cordinyana | public void compressPackageSet(File folder, String fileName, OutputStream os) |
87 | 33729 | cordinyana | throws MakePluginPackageServiceException {
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88 | Compress compress = new Compress();
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89 | 34005 | cordinyana | compress.compressPluginAsPackageSet(folder, fileName, os); |
90 | } |
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91 | 32498 | jpiera | |
92 | 34005 | cordinyana | public void compressPackage(File folder, OutputStream os) |
93 | throws MakePluginPackageServiceException {
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94 | Compress compress = new Compress();
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95 | compress.compressPluginAsPackage(folder, os); |
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96 | 33729 | cordinyana | } |
97 | 32498 | jpiera | |
98 | 33729 | cordinyana | public void readPackageInfo(File directory, PackageInfo installerInfo) |
99 | throws InstallerInfoFileException {
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100 | File installInfoFile =
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101 | new File(directory + File.separator + INSTALL_INFO_FILE); |
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102 | if (installInfoFile.exists()) {
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103 | InstallerInfoFileReader reader = new InstallerInfoFileReader();
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104 | reader.read(installerInfo, installInfoFile.getAbsolutePath()); |
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105 | } else {
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106 | installerInfo.setCode(directory.getName()); |
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107 | installerInfo.setName(directory.getName()); |
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108 | } |
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109 | } |
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110 | 32500 | jpiera | |
111 | 33729 | cordinyana | public void writePackageInfo(File directory, PackageInfo installerInfo) |
112 | throws InstallerInfoFileException {
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113 | if (!directory.exists()) {
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114 | throw new InstallerInfoFileException("The directory doesn't exist"); |
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115 | } |
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116 | InstallerInfoFileWriter installerInfoFileWriter = |
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117 | new InstallerInfoFileWriter();
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118 | installerInfoFileWriter.write(installerInfo, directory + File.separator
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119 | + INSTALL_INFO_FILE); |
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120 | } |
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121 | |||
122 | public InputStream searchPackage(InputStream is, String zipEntry) |
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123 | throws InstallPackageServiceException {
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124 | Decompress decompress = new Decompress();
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125 | return decompress.searchPlugin(is, zipEntry);
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126 | } |
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127 | |||
128 | 34020 | cordinyana | public void readPackageSetInfo(InputStream is, |
129 | List<PackageInfo> installerInfos, Map<PackageInfo, String> zipEntriesMap) |
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130 | throws InstallPackageServiceException {
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131 | Decompress decompress = new Decompress();
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132 | decompress |
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133 | .readPackageSetInstallInfos(is, installerInfos, zipEntriesMap); |
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134 | } |
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135 | |||
136 | 33729 | cordinyana | public void readPackageInfo(InputStream is, |
137 | 34027 | cordinyana | List<PackageInfo> installerInfos,
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138 | Map<PackageInfo, String> zipEntriesMap, String name) |
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139 | 33729 | cordinyana | throws InstallPackageServiceException {
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140 | 34020 | cordinyana | |
141 | 33729 | cordinyana | Decompress decompress = new Decompress();
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142 | 34027 | cordinyana | decompress.readPackageInstallInfo(is, installerInfos, zipEntriesMap, |
143 | name); |
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144 | 33729 | cordinyana | } |
145 | |||
146 | 34003 | cordinyana | public File downloadFile(URL bundleURL, String defaultFileName) |
147 | throws IOException { |
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148 | |||
149 | URL downloadURL = bundleURL;
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150 | |||
151 | // check if the URL ends with '/' and append the file name
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152 | if (defaultFileName != null) { |
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153 | String urlStr = bundleURL.toString();
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154 | if (urlStr.endsWith("/")) { |
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155 | urlStr = urlStr.concat(defaultFileName); |
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156 | downloadURL = new URL(urlStr); |
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157 | } |
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158 | } |
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159 | |||
160 | URLConnection connection = downloadURL.openConnection();
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161 | 33982 | cordinyana | String fileName = getFileName(connection);
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162 | |||
163 | if (LOG.isDebugEnabled()) {
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164 | Date date = new Date(connection.getLastModified()); |
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165 | LOG.debug( |
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166 | "Downloading file {} from URL {}, with last modified date: {}",
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167 | 34003 | cordinyana | new Object[] { fileName, downloadURL, date }); |
168 | 33982 | cordinyana | } |
169 | |||
170 | String fileNamePrefix = fileName;
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171 | String fileNameSuffix = "zip"; |
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172 | int dotPosition = fileName.lastIndexOf('.'); |
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173 | if (dotPosition > -1 && dotPosition < fileName.length() - 1) { |
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174 | fileNamePrefix = fileName.substring(0, dotPosition);
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175 | fileNameSuffix = fileName.substring(dotPosition); |
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176 | } |
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177 | |||
178 | BufferedInputStream bis =
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179 | 34003 | cordinyana | new BufferedInputStream(downloadURL.openStream()); |
180 | 33982 | cordinyana | |
181 | File localFile = File.createTempFile(fileNamePrefix, fileNameSuffix); |
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182 | BufferedOutputStream bos =
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183 | new BufferedOutputStream(new FileOutputStream(localFile)); |
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184 | |||
185 | byte[] data = new byte[1024]; |
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186 | int count = 0; |
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187 | while ((count = bis.read(data, 0, 1024)) >= 0) { |
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188 | bos.write(data, 0, count);
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189 | } |
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190 | |||
191 | bis.close(); |
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192 | bos.flush(); |
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193 | bos.close(); |
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194 | |||
195 | return localFile;
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196 | } |
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197 | |||
198 | /**
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199 | * Returns the file name associated to an url connection.<br />
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200 | * The result is not a path but just a file name.
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201 | *
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202 | * @param urlConnection
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203 | * - the url connection
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204 | * @return the file name
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205 | *
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206 | * @throws IOException
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207 | * Signals that an I/O exception has occurred.
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208 | */
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209 | private String getFileName(URLConnection urlConnection) throws IOException { |
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210 | String fileName = null; |
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211 | |||
212 | String contentDisposition =
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213 | urlConnection.getHeaderField("content-disposition");
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214 | |||
215 | if (contentDisposition != null) { |
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216 | fileName = |
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217 | extractFileNameFromContentDisposition(contentDisposition); |
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218 | } |
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219 | |||
220 | // if the file name cannot be extracted from the content-disposition
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221 | // header, using the url.getFilename() method
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222 | if (fileName == null) { |
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223 | StringTokenizer st =
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224 | new StringTokenizer(urlConnection.getURL().getFile(), "/"); |
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225 | while (st.hasMoreTokens())
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226 | fileName = st.nextToken(); |
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227 | } |
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228 | |||
229 | return fileName;
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230 | } |
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231 | |||
232 | /**
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233 | * Extract the file name from the content disposition header.
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234 | * <p>
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235 | * See <a
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236 | * href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec19.html">http:
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237 | * //www.w3.org/Protocols/rfc2616/rfc2616-sec19.html</a> for detailled
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238 | * information regarding the headers in HTML.
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239 | *
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240 | * @param contentDisposition
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241 | * - the content-disposition header. Cannot be <code>null>/code>.
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242 | * @return the file name, or <code>null</code> if the content-disposition
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243 | * header does not contain the filename attribute.
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244 | */
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245 | private String extractFileNameFromContentDisposition( |
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246 | String contentDisposition) {
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247 | String[] attributes = contentDisposition.split(";"); |
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248 | |||
249 | for (String a : attributes) { |
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250 | if (a.toLowerCase().contains("filename")) { |
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251 | // The attribute is the file name. The filename is between
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252 | // quotes.
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253 | return a.substring(a.indexOf('\"') + 1, a.lastIndexOf('\"')); |
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254 | } |
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255 | } |
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256 | |||
257 | // not found
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258 | return null; |
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259 | } |
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260 | |||
261 | 32400 | jpiera | } |