pjs/grendel/util/Constants.java

86 строки
2.9 KiB
Java

/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is the Grendel mail/news client.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are Copyright (C) 1997
* Netscape Communications Corporation. All Rights Reserved.
*
* Created: Terry Weissman <terry@netscape.com>, 2 Sep 1997.
*
* Contributors: Edwin Woudt <edwin@woudt.nl>
*/
package grendel.util;
import calypso.util.ByteBuf;
import java.io.File;
/**
This class contains various constants that are used in various places that
we don't want to recompute all over the place. Mostly, these are system-
dependent things. */
public class Constants {
/** The string used to separate lines in files on this system. */
public final static String LINEBREAK =
System.getProperties().getProperty("line.separator");
/** The string used to separate lines in files on this system, stored as
a ByteBuf. */
public final static ByteBuf BYTEBUFLINEBREAK = new ByteBuf();
static {
BYTEBUFLINEBREAK.append(LINEBREAK);
}
private static boolean unix = false; // Need to use these silly three temp
private static boolean mac = false; // variables just so that I can declare
private static boolean windows = false; // ISUNIX, etc, to be "final".
private static boolean os2 = false;
static {
String osname = System.getProperties().getProperty("os.name");
if (osname.startsWith("Windows") ||
osname.startsWith("Win32") ||
osname.startsWith("Win16") ||
osname.startsWith("16-bit Windows")) {
windows = true;
} else if (osname.startsWith("Mac OS")) {
mac = true;
// (edwin) Moved from grendel.Main
// ### According to talisman this string needs to be verified
} else if (osname.startsWith("OS/2")) {
os2 = true;
} else {
unix = true;
}
}
/** Whether this is a Unix machine. */
public final static boolean ISUNIX = unix;
/** Whether this is a Macintosh machine. */
public final static boolean ISMAC = mac;
/** Whether this is a Windows machine. */
public final static boolean ISWINDOWS = windows;
/** Whether this is a OS/2 machine. */
public final static boolean ISOS2 = os2;
/** File representing the user's home directory. */
public final static File HOMEDIR = ISUNIX ?
new File(System.getProperties().getProperty("user.home")) :
new File(System.getProperties().getProperty("user.dir"));
};