mirror of
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261 lines
11 KiB
Java
261 lines
11 KiB
Java
// OS.java
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// -------------------------------------------
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// (C) by Michael Peter Christen; mc@yacy.net
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2004
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// last major change: 11.03.2004
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package net.yacy.kelondro.util;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.lang.management.ManagementFactory;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Properties;
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import net.yacy.cora.document.encoding.UTF8;
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import net.yacy.cora.util.ConcurrentLog;
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import net.yacy.cora.util.NumberTools;
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import net.yacy.server.serverCore;
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public final class OS {
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// constants for system identification
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public enum System {
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MacOSC, // 'classic' Mac OS 7.6.1/8.*/9.*
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MacOSX, // all Mac OS X
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Unix, // all Unix/Linux type systems
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Windows, // all Windows 95/98/NT/2K/XP
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Unknown; // any other system
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}
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// constants for file type identification (Mac only)
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public static final String blankTypeString = "____";
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// system-identification statics
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private static final System systemOS;
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public static final boolean isMacArchitecture;
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private static final boolean isUnixFS;
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public static final boolean canExecUnix;
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public static final boolean isWindows;
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public static final boolean isWin32;
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// calculated system constants
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public static int maxPathLength = 65535;
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// Macintosh-specific statics
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public static final Map<String, String> macFSTypeCache = new HashMap<String, String>();
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public static final Map<String, String> macFSCreatorCache = new HashMap<String, String>();
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// static initialization
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static {
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// check operation system type
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final Properties sysprop = java.lang.System.getProperties();
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final String sysname = sysprop.getProperty("os.name","").toLowerCase();
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if (sysname.startsWith("mac os x")) systemOS = System.MacOSX;
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else if (sysname.startsWith("mac os")) systemOS = System.MacOSC;
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else if (sysname.startsWith("windows")) systemOS = System.Windows;
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else if ((sysname.startsWith("linux")) || (sysname.startsWith("unix"))) systemOS = System.Unix;
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else systemOS = System.Unknown;
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isMacArchitecture = ((systemOS == System.MacOSC) || (systemOS == System.MacOSX));
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isUnixFS = ((systemOS == System.MacOSX) || (systemOS == System.Unix));
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canExecUnix = ((isUnixFS) || (!((systemOS == System.MacOSC) || (systemOS == System.Windows))));
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isWindows = (systemOS == System.Windows);
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isWin32 = (isWindows && java.lang.System.getProperty("os.arch", "").contains("x86"));
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// set up maximum path length according to system
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if (isWindows) maxPathLength = 255; else maxPathLength = 65535;
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}
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public static String infoString() {
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String s = "System=";
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if (systemOS == System.Unknown) s += "unknown";
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else if (systemOS == System.MacOSC) s += "Mac OS Classic";
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else if (systemOS == System.MacOSX) s += "Mac OS X";
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else if (systemOS == System.Unix) s += "Unix/Linux";
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else if (systemOS == System.Windows) s += "Windows";
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else s += "unknown";
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if (isMacArchitecture) s += ", Mac System Architecture";
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if (isUnixFS) s += ", has Unix-like File System";
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if (canExecUnix) s += ", can execute Unix-Shell Commands";
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return s;
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}
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/** generates a 2-character string containing information about the OS-type*/
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public static String infoKey() {
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String s = "";
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if (systemOS == System.Unknown) s += "o";
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else if (systemOS == System.MacOSC) s += "c";
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else if (systemOS == System.MacOSX) s += "x";
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else if (systemOS == System.Unix) s += "u";
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else if (systemOS == System.Windows) s += "w";
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else s += "o";
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if (isMacArchitecture) s += "m";
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if (isUnixFS) s += "f";
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if (canExecUnix) s += "e";
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return s;
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}
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public static void deployScript(final File scriptFile, final String theScript) throws IOException {
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FileUtils.copy(UTF8.getBytes(theScript), scriptFile);
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if(!isWindows){ // set executable
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try {
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Runtime.getRuntime().exec("chmod 755 " + scriptFile.getAbsolutePath().replaceAll(" ", "\\ ")).waitFor();
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} catch (final InterruptedException e) {
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ConcurrentLog.severe("DEPLOY", "deploy of script file failed. file = " + scriptFile.getAbsolutePath(), e);
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throw new IOException(e.getMessage());
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}
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}
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}
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/**
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* use a hack to get the current process PID
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* @return the PID of the current java process or -1 if the PID cannot be obtained
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*/
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public static int getPID() {
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final String pids = ManagementFactory.getRuntimeMXBean().getName();
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final int p = pids.indexOf('@');
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return p >= 0 ? NumberTools.parseIntDecSubstring(pids, 0, p) : -1;
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}
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public static void execAsynchronous(final File scriptFile) throws IOException {
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// runs a script as separate thread
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String starterFileExtension = null;
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String script = null;
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if(isWindows){
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starterFileExtension = ".starter.bat";
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// use /K to debug, /C for release
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script = "start /MIN CMD /C \"" + scriptFile.getAbsolutePath() + "\"";
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} else { // unix/linux
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starterFileExtension = ".starter.sh";
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script = "#!/bin/sh" + serverCore.LF_STRING + scriptFile.getAbsolutePath().replaceAll(" ", "\\ ") + " &" + serverCore.LF_STRING;
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}
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final File starterFile = new File(scriptFile.getAbsolutePath().replaceAll(" ", "\\ ") + starterFileExtension);
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deployScript(starterFile, script);
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try {
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Runtime.getRuntime().exec(starterFile.getAbsolutePath().replaceAll(" ", "\\ ")).waitFor();
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} catch (final InterruptedException e) {
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throw new IOException(e.getMessage());
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}
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FileUtils.deletedelete(starterFile);
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}
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public static List<String> execSynchronous(final String command) throws IOException {
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// runs a unix/linux command and returns output as Vector of Strings
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// this method blocks until the command is executed
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final Process p = Runtime.getRuntime().exec(command);
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return execSynchronousProcess(p);
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}
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public static List<String> execSynchronous(final String[] command) throws IOException {
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// runs a unix/linux command and returns output as Vector of Strings
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// this method blocks until the command is executed
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final Process p = Runtime.getRuntime().exec(command);
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return execSynchronousProcess(p);
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}
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private static List<String> execSynchronousProcess(Process p) throws IOException {
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String line;
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BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
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final List<String> output = new ArrayList<String>();
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while ((line = in.readLine()) != null) output.add(line);
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in.close();
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in = new BufferedReader(new InputStreamReader(p.getErrorStream()));
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while ((line = in.readLine()) != null) output.add(line);
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in.close();
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return output;
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}
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public static void main(final String[] args) {
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try {
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List<String> v = execSynchronous("/usr/local/bin/wkhtmltoimage");
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for (String r: v) java.lang.System.out.println(r);
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} catch (IOException e) {
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}
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/*
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if (args[0].equals("-m")) {
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java.lang.System.out.println("Maximum possible memory: " + Integer.toString(getWin32MaxHeap()) + "m");
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}
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*/
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}
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}
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/*
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table of common system properties
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comparisment between different operation systems
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property |Mac OS 9.22 |Mac OSX 10.1.5 |Windows 98 |Linux Kernel 2.4.22 |
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-------------------+----------------------+----------------------+----------------------+----------------------+
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file.encoding |MacTEC |MacRoman |Cp1252 |ANSI_X3.4-1968 |
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file.separator |/ |/ |\ |/ |
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java.class.path |/hdisc/... |. |. |/usr/lib/j2se/ext |
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java.class.version |45.3 |47.0 |48.0 |47.0 |
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java.home |/hdisc/... |/System/Library/... |C:\PROGRAM\... |/usr/lib/j2se/1.3/jre |
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java.vendor |Apple Computer, Inc. |Apple Computer, Inc. |Sun Microsystems Inc. |Blackdown Java-Linux |
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java.version |1.1.8 |1.3.1 |1.4.0_02 |1.3.1 |
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os.arch |PowerPC |ppc |x86 |i386 |
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os.name |Mac OS |Mac OS X |Windows 98 |Linux |
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os.version |9.2.2 |10.1.5 |4.10 |2.4.22 |
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path.separator |: |: |; |: |
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user.dir |/hdisc/... |/mydir/... |C:\mydir\... |/home/public |
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user.home |/hdisc/... |/Users/myself |C:\WINDOWS |/home/public |
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user.language |de |de |de |en |
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user.name |Bob |myself |User |public |
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user.timezone |ECT |Europe/Berlin |Europe/Berlin | |
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-------------------+----------------------+----------------------+----------------------+----------------------+
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*/
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/*
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static struct browser possible_browsers[] = {
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{N_("Opera"), "opera"},
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{N_("Netscape"), "netscape"},
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{N_("Mozilla"), "mozilla"},
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{N_("Konqueror"), "kfmclient"},
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{N_("Galeon"), "galeon"},
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{N_("Firebird"), "mozilla-firebird"},
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{N_("Firefox"), "firefox"},
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{N_("Gnome Default"), "gnome-open"}
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};
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new:
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command = exec("netscape -remote " "\" openURL(\"%s\",new-window) "", uri);
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command = exec("opera -newwindow \"%s\"", uri);
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command = exec("opera -newpage \"%s\"", uri);
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command = exec("galeon -w \"%s\"", uri);
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command = exec("galeon -n \"%s\"", uri);
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command = exec("%s -remote \"openURL(\"%s\"," "new-window)\"", web_browser, uri);
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command = exec("%s -remote \"openURL(\"%s\"," "new-tab)\"", web_browser, uri);
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current:
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command = exec("netscape -remote " "\"openURL(\"%s\")\"", uri);
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command = exec("opera -remote " "\"openURL(\"%s\")\"", uri);
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command = exec("galeon \"%s\"", uri);
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command = exec("%s -remote \"openURL(\"%s\")\"", web_browser, uri);
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no option:
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command = exec("kfmclient openURL \"%s\"", uri);
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command = exec("gnome-open \"%s\"", uri);
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*/
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