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Diffstat (limited to 'odk/source/com/sun/star/lib/loader/InstallationFinder.java')
| -rw-r--r-- | odk/source/com/sun/star/lib/loader/InstallationFinder.java | 584 |
1 files changed, 0 insertions, 584 deletions
diff --git a/odk/source/com/sun/star/lib/loader/InstallationFinder.java b/odk/source/com/sun/star/lib/loader/InstallationFinder.java deleted file mode 100644 index b0903f35..00000000 --- a/odk/source/com/sun/star/lib/loader/InstallationFinder.java +++ /dev/null @@ -1,584 +0,0 @@ -/************************************************************************* - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * Copyright 2000, 2010 Oracle and/or its affiliates. - * - * OpenOffice.org - a multi-platform office productivity suite - * - * This file is part of OpenOffice.org. - * - * OpenOffice.org is free software: you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 3 - * only, as published by the Free Software Foundation. - * - * OpenOffice.org is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License version 3 for more details - * (a copy is included in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU Lesser General Public License - * version 3 along with OpenOffice.org. If not, see - * <http://www.openoffice.org/license.html> - * for a copy of the LGPLv3 License. - * - ************************************************************************/ - -package com.sun.star.lib.loader; - -import java.io.BufferedReader; -import java.io.File; -import java.io.FileInputStream; -import java.io.InputStream; -import java.io.InputStreamReader; -import java.io.IOException; -import java.io.UnsupportedEncodingException; -import java.net.MalformedURLException; -import java.net.URL; -import java.util.StringTokenizer; -import java.util.Vector; - -/** - * This class finds a UNO installation on the system. - * - * <p>A UNO installation can be specified by the user by either setting the - * com.sun.star.lib.loader.unopath system property or by setting the - * UNO_PATH environment variable to the program directory of a UNO - * installation. - * Note, that Java 1.3.1 and Java 1.4 don't support environment variables - * (System.getenv() throws java.lang.Error) and therefore setting the UNO_PATH - * enviroment variable won't work with those Java versions. - * If no UNO installation is specified by the user, the default installation - * on the system will be returned.</p> - * - * <p>On the Windows platform the default installation is read from the Windows - * Registry.</p> - * - * <p>On the Unix/Linux platforms the default installation is found from the - * PATH environment variable. Note, that for Java 1.3.1 and Java 1.4 the - * default installation is found by using the 'which' command, because - * environment variables are not supported with those Java versions. - * Both methods require that the 'soffice' executable or a symbolic - * link is in one of the directories listed in the PATH environment variable. - * For older versions than OOo 2.0 the above described methods may fail. - * In this case the default installation is taken from the .sversionrc file in - * the user's home directory. Note, that the .sversionrc file will be omitted - * for OOo 2.0</p> - */ -final class InstallationFinder { - - private static final String SYSPROP_NAME = - "com.sun.star.lib.loader.unopath"; - private static final String ENVVAR_NAME = "UNO_PATH"; - private static final String SOFFICE = "libreoffice"; // Unix/Linux only - - private InstallationFinder() {} // do not instantiate - - /** - * Gets the path of a UNO installation. - * - * @return the installation path or <code>null</code>, if no installation - * was specified or found, or if an error occurred - */ - public static String getPath() { - - String path = null; - - // get the installation path from the Java system property - // com.sun.star.lib.loader.unopath - // (all platforms) - path = getPathFromProperty( SYSPROP_NAME ); - if ( path == null ) { - // get the installation path from the UNO_PATH environment variable - // (all platforms, not working for Java 1.3.1 and Java 1.4) - path = getPathFromEnvVar( ENVVAR_NAME ); - if ( path == null ) { - String osname = null; - try { - osname = System.getProperty( "os.name" ); - } catch ( SecurityException e ) { - // if a SecurityException was thrown, - // return <code>null</code> - return null; - } - if ( osname != null ) { - if ( osname.startsWith( "Windows" ) ) { - // get the installation path from the Windows Registry - // (Windows platform only) - path = getPathFromWindowsRegistry(); - } else { - // get the installation path from the PATH environment - // variable (Unix/Linux platforms only, not working for - // Java 1.3.1 and Java 1.4) - path = getPathFromPathEnvVar(); - if ( path == null ) { - // get the installation path from the 'which' - // command (Unix/Linux platforms only) - path = getPathFromWhich(); - if ( path == null ) { - // get the installation path from the - // .sversionrc file (Unix/Linux platforms only, - // for older versions than OOo 2.0) - path = getPathFromSVersionFile(); - } - } - } - } - } - } - - return path; - } - - /** - * Gets the installation path from a Java system property. - * - * <p>This method is called on all platforms. - * The Java system property can be passed into the application by using - * the -D flag, e.g. - * java -D<property name>=<installation path> -jar application.jar.</p> - * - * @return the installation path or <code>null</code>, if no installation - * was specified in the Java system property or if an error occurred - */ - private static String getPathFromProperty( String prop ) { - - String path = null; - - try { - path = System.getProperty( prop ); - } catch ( SecurityException e ) { - // if a SecurityException was thrown, return <code>null</code> - } - - return path; - } - - /** - * Gets the installation path from an environment variable. - * - * <p>This method is called on all platforms. - * Note, that in Java 1.3.1 and Java 1.4 System.getenv() throws - * java.lang.Error and therefore this method returns null for those - * Java versions.</p> - * - * @return the installation path or <code>null</code>, if no installation - * was specified in the environment variable or if an error occurred - */ - private static String getPathFromEnvVar( String var ) { - - String path = null; - - try { - path = System.getenv( var ); - } catch ( SecurityException e ) { - // if a SecurityException was thrown, return <code>null</code> - } catch ( java.lang.Error err ) { - // System.getenv() throws java.lang.Error in Java 1.3.1 and - // Java 1.4 - } - - return path; - } - - /** - * Gets the installation path from the Windows Registry. - * - * <p>This method is called on the Windows platform only.</p> - * - * @return the installation path or <code>null</code>, if no installation - * was found or if an error occurred - */ - private static String getPathFromWindowsRegistry() { - - final String SUBKEYNAME = "Software\\LibreOffice\\UNO\\InstallPath"; - - String path = null; - - try { - // read the key's default value from HKEY_CURRENT_USER - WinRegKey key = new WinRegKey( "HKEY_CURRENT_USER", SUBKEYNAME ); - path = key.getStringValue( "" ); // default - } catch ( WinRegKeyException e ) { - try { - // read the key's default value from HKEY_LOCAL_MACHINE - WinRegKey key = new WinRegKey( "HKEY_LOCAL_MACHINE", - SUBKEYNAME ); - path = key.getStringValue( "" ); // default - } catch ( WinRegKeyException we ) { - System.err.println( "com.sun.star.lib.loader." + - "InstallationFinder::getPathFromWindowsRegistry: " + - "reading key from Windows Registry failed: " + we ); - } - } - - return path; - } - - /** - * Gets the installation path from the PATH environment variable. - * - * <p>This method is called on Unix/Linux platforms only. - * An installation is found, if the executable 'soffice' or a symbolic link - * is in one of the directories listed in the PATH environment variable. - * Note, that in Java 1.3.1 and Java 1.4 System.getenv() throws - * java.lang.Error and therefore this method returns null for those - * Java versions.</p> - * - * @return the installation path or <code>null</code>, if no installation - * was found or if an error occurred - */ - private static String getPathFromPathEnvVar() { - - final String PATH_ENVVAR_NAME = "PATH"; - - String path = null; - String str = null; - - try { - str = System.getenv( PATH_ENVVAR_NAME ); - } catch ( SecurityException e ) { - // if a SecurityException was thrown, return <code>null</code> - return null; - } catch ( java.lang.Error err ) { - // System.getenv() throws java.lang.Error in Java 1.3.1 and - // Java 1.4 - return null; - } - - if ( str != null ) { - StringTokenizer tokens = new StringTokenizer( - str, File.pathSeparator ); - while ( tokens.hasMoreTokens() ) { - File file = new File( tokens.nextToken(), SOFFICE ); - try { - if ( file.exists() ) { - try { - // resolve symlink - path = file.getCanonicalFile().getParent(); - if ( path != null ) - break; - } catch ( IOException e ) { - // if an I/O exception is thrown, ignore this - // path entry and try the next one - System.err.println( "com.sun.star.lib.loader." + - "InstallationFinder::getPathFromEnvVar: " + - "bad path: " + e ); - } - } - } catch ( SecurityException e ) { - // if a SecurityException was thrown, ignore this path - // entry and try the next one - } - } - } - - return path; - } - - /** - * Gets the installation path from the 'which' command on Unix/Linux - * platforms. - * - * <p>This method is called on Unix/Linux platforms only. - * An installation is found, if the executable 'soffice' or a symbolic link - * is in one of the directories listed in the PATH environment variable.</p> - * - * @return the installation path or <code>null</code>, if no installation - * was found or if an error occurred - */ - private static String getPathFromWhich() { - - final String WHICH = "which"; - - String path = null; - - // start the which process - String[] cmdArray = new String[2]; - cmdArray[0] = WHICH; - cmdArray[1] = SOFFICE; - Process proc = null; - Runtime rt = Runtime.getRuntime(); - try { - proc = rt.exec( cmdArray ); - } catch ( SecurityException e ) { - return null; - } catch ( IOException e ) { - // if an I/O exception is thrown, return <code>null</null> - System.err.println( "com.sun.star.lib.loader." + - "InstallationFinder::getPathFromWhich: " + - "which command failed: " + e ); - return null; - } - - // empty standard error stream in a seperate thread - StreamGobbler gobbler = new StreamGobbler( proc.getErrorStream() ); - gobbler.start(); - - // read the which output from standard input stream - BufferedReader br = new BufferedReader( - new InputStreamReader( proc.getInputStream() ) ); - String line = null; - try { - while ( ( line = br.readLine() ) != null ) { - if ( path == null ) { - // get the path from the which output - int index = line.lastIndexOf( SOFFICE ); - if ( index != -1 ) { - int end = index + SOFFICE.length(); - for ( int i = 0; i <= index; i++ ) { - File file = new File( line.substring( i, end ) ); - try { - if ( file.exists() ) { - // resolve symlink - path = file.getCanonicalFile().getParent(); - if ( path != null ) - break; - } - } catch ( SecurityException e ) { - return null; - } - } - } - } - } - } catch ( IOException e ) { - // if an I/O exception is thrown, return <code>null</null> - System.err.println( "com.sun.star.lib.loader." + - "InstallationFinder::getPathFromWhich: " + - "reading which command output failed: " + e ); - return null; - } finally { - if ( br != null ) { - try { - br.close(); - } catch ( IOException e ) { - // closing standard input stream failed, ignore - } - } - } - - try { - // wait until the which process has terminated - proc.waitFor(); - } catch ( InterruptedException e ) { - // the current thread was interrupted by another thread, - // kill the which process - proc.destroy(); - // set the interrupted status - Thread.currentThread().interrupt(); - } - - return path; - } - - /** - * Gets the installation path from the .sverionrc file in the user's home - * directory. - * - * <p>This method is called on Unix/Linux platforms only. - * The .sversionrc file is written during setup and will be omitted for - * OOo 2.0.</p> - * - * @return the installation path or <code>null</code>, if no installation - * was found or if an error occurred - */ - private static String getPathFromSVersionFile() { - - final String SVERSION = ".sversionrc"; // Unix/Linux only - final String VERSIONS = "[Versions]"; - - String path = null; - - try { - File fSVersion = new File( - System.getProperty( "user.home" ) ,SVERSION ); - if ( fSVersion.exists() ) { - Vector lines = new Vector(); - BufferedReader br = null; - try { - br = new BufferedReader( new InputStreamReader( - new FileInputStream( fSVersion ), "UTF-8" ) ); - String line = null; - while ( ( line = br.readLine() ) != null && - ( line.equals( VERSIONS ) ) != true ) { - // read lines until [Versions] is found - } - while ( ( line = br.readLine() ) != null && - line.length() != 0 ) { - if ( !line.startsWith( ";" ) ) - lines.add( line ); - } - } catch ( IOException e ) { - // if an I/O exception is thrown, try to analyze the lines - // read so far - System.err.println( "com.sun.star.lib.loader." + - "InstallationFinder::getPathFromSVersionFile: " + - "reading .sversionrc file failed: " + e ); - } finally { - if ( br != null ) { - try { - br.close(); - } catch ( IOException e ) { - // closing .sversionrc failed, ignore - } - } - } - for ( int i = lines.size() - 1; i >= 0; i-- ) { - StringTokenizer tokens = new StringTokenizer( - (String)lines.elementAt( i ), "=" ); - if ( tokens.countTokens() != 2 ) - continue; - String key = tokens.nextToken(); - String url = tokens.nextToken(); - path = getCanonicalPathFromFileURL( url ); - if ( path != null ) - break; - } - } - } catch ( SecurityException e ) { - return null; - } - - return path; - } - - /** - * Translates an OOo-internal absolute file URL reference (encoded using - * UTF-8) into a Java canonical pathname. - * - * @param oooUrl any URL reference; any fragment part is ignored - * - * @return if the given URL is a valid absolute, local (that is, the host - * part is empty or equal to "localhost", ignoring case) file URL, it is - * converted into an absolute canonical pathname; otherwise, - * <code>null</code> is returned - */ - private static String getCanonicalPathFromFileURL( String oooUrl ) { - - String prefix = "file://"; - if (oooUrl.length() < prefix.length() - || !oooUrl.substring(0, prefix.length()).toLowerCase().equals( - prefix)) - { - return null; - } - StringBuffer buf = new StringBuffer(prefix); - int n = oooUrl.indexOf('/', prefix.length()); - if (n < 0) { - n = oooUrl.length(); - } - String host = oooUrl.substring(prefix.length(), n); - if (host.length() != 0 && !host.toLowerCase().equals("localhost")) { - return null; - } - buf.append(host); - if (n == oooUrl.length()) { - buf.append('/'); - } else { - loop: - while (n < oooUrl.length()) { - buf.append('/'); - ++n; - int n2 = oooUrl.indexOf('/', n); - if (n2 < 0) { - n2 = oooUrl.length(); - } - while (n < n2) { - char c = oooUrl.charAt(n); - switch (c) { - case '%': - byte[] bytes = new byte[(n2 - n) / 3]; - int len = 0; - while (oooUrl.length() - n > 2 - && oooUrl.charAt(n) == '%') - { - int d1 = Character.digit(oooUrl.charAt(n + 1), 16); - int d2 = Character.digit(oooUrl.charAt(n + 2), 16); - if (d1 < 0 || d2 < 0) { - break; - } - int d = 16 * d1 + d2; - if (d == '/') { - return null; - } - bytes[len++] = (byte) d; - n += 3; - } - String s; - try { - s = new String(bytes, 0, len, "UTF-8"); - } catch (UnsupportedEncodingException e) { - return null; - } - buf.append(s); - break; - - case '#': - break loop; - - default: - buf.append(c); - ++n; - break; - } - } - } - } - URL url; - try { - url = new URL(buf.toString()); - } catch (MalformedURLException e) { - return null; - } - String path = url.getFile(); - String fragment = url.getRef(); - if (fragment != null) { - path += '#' + fragment; - } - String ret = null; - File file = new File( path, SOFFICE ); - try { - if ( file.isAbsolute() && file.exists() ) { - try { - // resolve symlink - ret = file.getCanonicalFile().getParent(); - } catch ( IOException e ) { - return null; - } - } - } catch ( SecurityException e ) { - return null; - } - - return ret; - } - - /** - This class is used for emptying any stream which is passed into it in - a separate thread. - */ - private static final class StreamGobbler extends Thread { - - InputStream m_istream; - - StreamGobbler( InputStream istream ) { - m_istream = istream; - } - - public void run() { - try { - BufferedReader br = new BufferedReader( - new InputStreamReader( m_istream ) ); - // read from input stream - while ( br.readLine() != null ) { - // don't handle line content - } - br.close(); - } catch ( IOException e ) { - // stop reading from input stream - } - } - } -} |