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authorReinier Zwitserloot <reinier@tipit.to>2009-11-25 07:32:49 +0100
committerReinier Zwitserloot <reinier@tipit.to>2009-11-25 07:32:49 +0100
commit1a0e611a9c5e1ee518670647ce1a44beae559b44 (patch)
treee5ef8f671bc6688f486e874d4e2e1a7813e4f0b2 /src/lombok/installer/WindowsDriveInfo.java
parent7fd947ea40c25dad9ee543ebc4b92de9a2e05efc (diff)
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Refactored the source folders.
Diffstat (limited to 'src/lombok/installer/WindowsDriveInfo.java')
-rw-r--r--src/lombok/installer/WindowsDriveInfo.java127
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diff --git a/src/lombok/installer/WindowsDriveInfo.java b/src/lombok/installer/WindowsDriveInfo.java
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--- a/src/lombok/installer/WindowsDriveInfo.java
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@@ -1,127 +0,0 @@
-/*
- * Copyright © 2009 Reinier Zwitserloot and Roel Spilker.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-package lombok.installer;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * This class uses native calls on windows to figure out all drives,
- * and, for each drive, if its a harddisk or something else.
- *
- * The output is essentially equivalent to running windows executable:
- * <pre>fsutil fsinfo drives</pre>
- * and
- * <pre>fsutil fsinfo drivetype C:</pre>
- *
- * except that (A) fsutil requires privileges, (B) someone might have moved
- * it out of the path or some such, and (C) its output is internationalized,
- * so unless you want to include a table of how to say "Fixed Disk" in 300
- * languages, this really is a superior solution.
- * <p>
- * To compile it, you'll need windows, as well as MinGW:
- * http://sourceforge.net/projects/mingw/files/
- * <p>
- * Fetch gcc 4.0.4+, you don't need anything extra. Toss /c/mingw/bin in
- * your git bash prompt's path (/etc/profile) and then run:
- *
- * $ gcc -c \
- -I "/c/Program Files/Java/jdk1.6.0_14/include" \
- -I "/c/Program Files/Java/jdk1.6.0_14/include/win32" \
- -D__int64="long long" lombok_installer_WindowsDriveInfo.c
- *
- * $ dllwrap.exe --add-stdcall-alias \
- -o WindowsDriveInfo-i386.dll \
- lombok_installer_WindowsDriveInfo.o
- *
- * You may get a warning along the lines of "Creating an export definition".
- * This is expected behaviour.
- *
- * <p>
- * Now download MinGW-w64 to build the 64-bit version of the dll (you thought you were done, weren't you?)
- * from: http://sourceforge.net/projects/mingw-w64/files/
- * (under toolchains targetting Win64 / Release for GCC 4.4.0 (or later) / the version for your OS.)
- *
- * Then, do this all over again, but this time with the x86_64-w64-mingw32-gcc and
- * x86_64-w64-mingw32-dllwrap versions that are part of the MinGW-w64 distribution.
- * Name the dll 'WindowsDriveInfo-x86_64.dll'.
- *
- * Both the 32-bit and 64-bit DLLs that this produces have been checked into the git repository
- * under src/lombok/installer so you won't need to build them again unless you make some changes to
- * the code in the winsrc directory.
- */
-public class WindowsDriveInfo {
- /**
- * Return a list of all available drive letters, such as ["A", "C", "D"].
- */
- public List<String> getLogicalDrives() {
- int flags = getLogicalDrives0();
-
- List<String> letters = new ArrayList<String>();
- for (int i = 0; i < 26; i++) {
- if ((flags & (1 << i)) != 0) letters.add(Character.toString((char)('A' + i)));
- }
-
- return letters;
- }
-
- /**
- * Calls kernel32's GetLogicalDrives, which returns an int containing
- * flags; bit 0 corresponds to drive A, bit 25 to drive Z. on = disk exists.
- */
- private native int getLogicalDrives0();
-
- /**
- * Feed it a drive letter (such as 'A') to see if it is a fixed disk.
- */
- public boolean isFixedDisk(String letter) {
- if (letter.length() != 1) throw new IllegalArgumentException("Supply 1 letter, not: " + letter);
- char drive = Character.toUpperCase(letter.charAt(0));
- if (drive < 'A' || drive > 'Z') throw new IllegalArgumentException(
- "A drive is indicated by a letter, so A-Z inclusive. Not " + drive);
- return getDriveType(drive + ":\\") == 3L;
- }
-
- /**
- * Mirror of kernel32's GetDriveTypeA. You must pass in 'A:\\' -
- * so including both a colon and a backslash!
- *
- * 0 = error
- * 1 = doesn't exist
- * 2 = removable drive
- * 3 = fixed disk
- * 4 = remote (network) disk
- * 5 = cd-rom
- * 6 = ram disk
- */
- private native int getDriveType(String name);
-
- public static void main(String[] args) {
- System.loadLibrary("WindowsDriveInfo");
- WindowsDriveInfo info = new WindowsDriveInfo();
-
- for (String letter : info.getLogicalDrives()) {
- System.out.printf("Drive %s: - %s\n", letter,
- info.isFixedDisk(letter) ? "Fixed Disk" : "Not Fixed Disk");
- }
- }
-}