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480 lines
20 KiB
480 lines
20 KiB
// serverSystem.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 de.anomic.server;
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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.reflect.Constructor;
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import java.lang.reflect.Method;
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import java.util.ArrayList;
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import java.util.Hashtable;
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import java.util.List;
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import java.util.Properties;
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import java.util.Vector;
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import de.anomic.kelondro.util.Log;
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import de.anomic.kelondro.util.FileUtils;
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import de.anomic.tools.consoleInterface;
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public final class serverSystem {
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// constants for system identification
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public static final int systemMacOSC = 0; // 'classic' Mac OS 7.6.1/8.*/9.*
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public static final int systemMacOSX = 1; // all Mac OS X
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public static final int systemUnix = 2; // all Unix/Linux type systems
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public static final int systemWindows = 3; // all Windows 95/98/NT/2K/XP
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public static final int systemUnknown = -1; // any other system
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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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public static final int systemOS;
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public static final boolean isMacArchitecture;
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public 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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private static Class<?> macMRJFileUtils = null;
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private static Class<?> macMRJOSType = null;
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private static Constructor<?> macMRJOSTypeConstructor = null;
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private static Object macMRJOSNullObj = null;
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private static Method macGetFileCreator = null;
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private static Method macGetFileType = null;
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private static Method macSetFileCreator = null;
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private static Method macSetFileType = null;
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private static Method macOpenURL = null;
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public static final Hashtable<String, String> macFSTypeCache = new Hashtable<String, String>();
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public static final Hashtable<String, String> macFSCreatorCache = new Hashtable<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 = 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 = systemMacOSX;
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else if (sysname.startsWith("mac os")) systemOS = systemMacOSC;
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else if (sysname.startsWith("windows")) systemOS = systemWindows;
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else if ((sysname.startsWith("linux")) || (sysname.startsWith("unix"))) systemOS = systemUnix;
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else systemOS = systemUnknown;
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isMacArchitecture = ((systemOS == systemMacOSC) || (systemOS == systemMacOSX));
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isUnixFS = ((systemOS == systemMacOSX) || (systemOS == systemUnix));
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canExecUnix = ((isUnixFS) || (!((systemOS == systemMacOSC) || (systemOS == systemWindows))));
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isWindows = (systemOS == systemWindows);
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isWin32 = (isWindows && System.getProperty("os.arch", "").contains("x86"));
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// set up the MRJ Methods through reflection
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if (isMacArchitecture) try {
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macMRJFileUtils = Class.forName("com.apple.mrj.MRJFileUtils");
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macMRJOSType = Class.forName("com.apple.mrj.MRJOSType");
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macGetFileType = macMRJFileUtils.getMethod("getFileType", new Class[] {Class.forName("java.io.File")});
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macGetFileCreator = macMRJFileUtils.getMethod("getFileCreator", new Class[] {Class.forName("java.io.File")});
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macSetFileType = macMRJFileUtils.getMethod("setFileType", new Class[] {Class.forName("java.io.File"), macMRJOSType});
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macSetFileCreator = macMRJFileUtils.getMethod("setFileCreator", new Class[] {Class.forName("java.io.File"), macMRJOSType});
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macMRJOSTypeConstructor = macMRJOSType.getConstructor(new Class[] {Class.forName("java.lang.String")});
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macOpenURL = macMRJFileUtils.getMethod("openURL", new Class[] {Class.forName("java.lang.String")});
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final byte[] nullb = new byte[4];
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for (int i = 0; i < 4; i++) nullb[i] = 0;
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macMRJOSNullObj = macMRJOSTypeConstructor.newInstance(new Object[] {new String(nullb)});
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} catch (final Exception e) {
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//e.printStackTrace();
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macMRJFileUtils = null; macMRJOSType = null;
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}
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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 Object getMacOSTS(final String s) {
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if ((isMacArchitecture) && (macMRJFileUtils != null)) try {
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if ((s == null) || (s.equals(blankTypeString))) return macMRJOSNullObj;
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return macMRJOSTypeConstructor.newInstance(new Object[] {s});
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} catch (final Exception e) {
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return macMRJOSNullObj;
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}
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return null;
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}
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public static String getMacFSType(final File f) {
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if ((isMacArchitecture) && (macMRJFileUtils != null)) try {
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final String s = macGetFileType.invoke(null, new Object[] {f}).toString();
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if ((s == null) || (s.charAt(0) == 0)) return blankTypeString;
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return s;
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} catch (final Exception e) {
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return null;
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}
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return null;
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}
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public static String getMacFSCreator(final File f) {
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if ((isMacArchitecture) && (macMRJFileUtils != null)) try {
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final String s = macGetFileCreator.invoke(null, new Object[] {f}).toString();
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if ((s == null) || (s.charAt(0) == 0)) return blankTypeString;
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return s;
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} catch (final Exception e) {
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return null;
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}
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return null;
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}
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public static void setMacFSType(final File f, final String t) {
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if ((isMacArchitecture) && (macMRJFileUtils != null)) try {
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macSetFileType.invoke(null, new Object[] {f, getMacOSTS(t)});
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} catch (final Exception e) {/*System.out.println(e.getMessage()); e.printStackTrace();*/}
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}
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public static void setMacFSCreator(final File f, final String t) {
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if ((isMacArchitecture) && (macMRJFileUtils != null)) try {
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macSetFileCreator.invoke(null, new Object[] {f, getMacOSTS(t)});
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} catch (final Exception e) {/*System.out.println(e.getMessage()); e.printStackTrace();*/}
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}
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public static boolean aquireMacFSType(final File f) {
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if ((!(isMacArchitecture)) || (macMRJFileUtils == null)) return false;
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final String name = f.toString();
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// check file type
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final int dot = name.lastIndexOf(".");
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if ((dot < 0) || (dot + 1 >= name.length())) return false;
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final String type = getMacFSType(f);
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if ((type == null) || (type.equals(blankTypeString))) return false;
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final String ext = name.substring(dot + 1).toLowerCase();
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final String oldType = macFSTypeCache.get(ext);
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if ((oldType != null) && (oldType.equals(type))) return false;
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macFSTypeCache.put(ext, type);
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return true;
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}
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public static boolean aquireMacFSCreator(final File f) {
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if ((!(isMacArchitecture)) || (macMRJFileUtils == null)) return false;
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final String name = f.toString();
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// check creator
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final String creator = getMacFSCreator(f);
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if ((creator == null) || (creator.equals(blankTypeString))) return false;
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final String oldCreator = macFSCreatorCache.get(name);
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if ((oldCreator != null) && (oldCreator.equals(creator))) return false;
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macFSCreatorCache.put(name, creator);
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return true;
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}
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public static boolean applyMacFSType(final File f) {
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if ((!(isMacArchitecture)) || (macMRJFileUtils == null)) return false;
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final String name = f.toString();
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// reconstruct file type
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final int dot = name.lastIndexOf(".");
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if ((dot < 0) || (dot + 1 >= name.length())) return false;
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final String type = macFSTypeCache.get(name.substring(dot + 1).toLowerCase());
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if (type == null) return false;
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final String oldType = getMacFSType(f);
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if ((oldType != null) && (oldType.equals(type))) return false;
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setMacFSType(f, type);
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return getMacFSType(f).equals(type);
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}
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public static boolean applyMacFSCreator(final File f) {
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if ((!(isMacArchitecture)) || (macMRJFileUtils == null)) return false;
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final String name = f.toString();
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// reconstruct file creator
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final String creator = macFSCreatorCache.get(name);
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if (creator == null) return false;
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final String oldCreator = getMacFSCreator(f);
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if ((oldCreator != null) && (oldCreator.equals(creator))) return false;
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//System.out.println("***Setting creator for " + f.toString() + " to " + creator);
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setMacFSCreator(f, creator);
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return getMacFSCreator(f).equals(creator); // this is not always true! I guess it's caused by deprecation of the interface in 1.4er Apple Extensions
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}
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/**
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* finds the maximum possible heap (may cause high system load)
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* @return heap in -Xmx<i>[heap]</i>m
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* @author [DW], 07.02.2009
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*/
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public static int getWin32MaxHeap() {
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int maxmem = 1000;
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while(checkWin32Heap(maxmem)) maxmem += 100;
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while(!checkWin32Heap(maxmem)) maxmem -= 10;
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return maxmem;
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}
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/**
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* checks heap (may cause high system load)
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* @param mem heap to check in -Xmx<i>[heap]</i>m
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* @return true if possible
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* @author [DW], 07.02.2009
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*/
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public static boolean checkWin32Heap(int mem){
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String line = "";
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final List<String> processArgs = new ArrayList<String>();
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processArgs.add("java");
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processArgs.add("-Xms4m");
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processArgs.add("-Xmx" + Integer.toString(mem) + "m");
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try {
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line = consoleInterface.getLastLineConsoleOutput(processArgs, new Log("MEMCHECK"));
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} catch (final IOException e) {
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return false;
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}
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return (line.indexOf("space for object heap") > -1) ? false : true;
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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 == systemUnknown) s += "unknown";
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else if (systemOS == systemMacOSC) s += "Mac OS Classic";
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else if (systemOS == systemMacOSX) s += "Mac OS X";
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else if (systemOS == systemUnix) s += "Unix/Linux";
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else if (systemOS == systemWindows) 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 == systemUnknown) s += "o";
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else if (systemOS == systemMacOSC) s += "c";
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else if (systemOS == systemMacOSX) s += "x";
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else if (systemOS == systemUnix) s += "u";
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else if (systemOS == systemWindows) 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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private static String errorResponse(final Process p) {
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final BufferedReader err = new BufferedReader(new InputStreamReader(p.getErrorStream()));
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String line, error = "";
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try {
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while ((line = err.readLine()) != null) {
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error = line + "\n";
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}
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return error;
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} catch (final IOException e) {
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return null;
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} finally {
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try {
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err.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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/*
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public static void openBrowser(URL url) {
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if (openBrowserJNLP(url)) return;
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openBrowserExec(url.toString(), "firefox");
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}
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private static boolean openBrowserJNLP(URL url) {
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try {
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// Lookup the javax.jnlp.BasicService object
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javax.jnlp.BasicService bs = (javax.jnlp.BasicService) javax.jnlp.ServiceManager.lookup("javax.jnlp.BasicService");
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// Invoke the showDocument method
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return bs.showDocument(url);
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} catch (Exception ue) {
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// Service is not supported
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return false;
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}
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}
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*/
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public static void openBrowser(final String url) {
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openBrowser(url, "firefox");
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}
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public static void openBrowser(final String url, final String app) {
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try {
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String cmd;
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Process p;
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if (systemOS != systemUnknown) {
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if (systemOS == systemMacOSC) {
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if ((isMacArchitecture) && (macMRJFileUtils != null)) {
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macOpenURL.invoke(null, new Object[] {url});
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}
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} else if (systemOS == systemMacOSX) {
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p = Runtime.getRuntime().exec(new String[] {"/usr/bin/osascript", "-e", "open location \"" + url + "\""});
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p.waitFor();
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if (p.exitValue() != 0) throw new RuntimeException("EXEC ERROR: " + errorResponse(p));
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} else if (systemOS == systemUnix) {
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cmd = app + " -remote openURL(" + url + ")";
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p = Runtime.getRuntime().exec(cmd);
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p.waitFor();
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if (p.exitValue() != 0) {
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cmd = app + " " + url;
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p = Runtime.getRuntime().exec(cmd);
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// no error checking, because it blocks until firefox is closed
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}
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} else if (systemOS == systemWindows) {
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// see forum at http://forum.java.sun.com/thread.jsp?forum=57&thread=233364&message=838441
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if (System.getProperty("os.name").contains("2000")) cmd = "rundll32 url.dll,FileProtocolHandler " + url;
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else cmd = "rundll32 url.dll,FileProtocolHandler \"" + url + "\"";
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//cmd = "cmd.exe /c start javascript:document.location='" + url + "'";
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p = Runtime.getRuntime().exec(cmd);
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p.waitFor();
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if (p.exitValue() != 0) throw new RuntimeException("EXEC ERROR: " + errorResponse(p));
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}
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}
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} catch (final Exception e) {
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System.err.println("ERROR "+ e.getClass() +" in openBrowser(): "+ e.getMessage());
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// browser could not be started automatically, tell user to do it
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System.out.println("please start your browser and open the following location: " + url);
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}
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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(theScript.getBytes(), 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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Log.logSevere("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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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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starterFile.delete();
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}
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public static Vector<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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final BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
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String text;
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final Vector<String> output = new Vector<String>();
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while ((text = in.readLine()) != null) {
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output.add(text);
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}
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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{System.getProperties().list(new PrintStream(new FileOutputStream(new File("system.properties.txt"))));} catch (FileNotFoundException e) {}
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//System.out.println("nullstr=" + macMRJOSNullObj.toString());
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if (args[0].equals("-f")) {
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final File f = new File(args[1]);
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System.out.println("File " + f.toString() + ": creator = " + getMacFSCreator(f) + "; type = " + getMacFSType(f));
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}
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if (args[0].equals("-u")) {
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openBrowser(args[1]);
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}
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if (args[0].equals("-m")) {
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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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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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