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Diffstat (limited to 'gcc-4.2.1/libjava/classpath/vm/reference/java/io/VMFile.java')
| -rw-r--r-- | gcc-4.2.1/libjava/classpath/vm/reference/java/io/VMFile.java | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/gcc-4.2.1/libjava/classpath/vm/reference/java/io/VMFile.java b/gcc-4.2.1/libjava/classpath/vm/reference/java/io/VMFile.java deleted file mode 100644 index 2f48aad71..000000000 --- a/gcc-4.2.1/libjava/classpath/vm/reference/java/io/VMFile.java +++ /dev/null @@ -1,225 +0,0 @@ -/* VMFile.java -- Class for methods natively accessing files - Copyright (C) 2004, 2006 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath 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 -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package java.io; - -import gnu.classpath.Configuration; -import gnu.java.io.PlatformHelper; - - -/** - * @author Michael Koch (konqueror@gmx.de) - */ -final class VMFile -{ - // FIXME: We support only case sensitive filesystems currently. - static final boolean IS_CASE_SENSITIVE = true; - static final boolean IS_DOS_8_3 = false; - - static - { - if (Configuration.INIT_LOAD_LIBRARY) - { - System.loadLibrary("javaio"); - } - } - - /* - * This native method does the actual work of getting the last file - * modification time. It also does the existence check to avoid the - * overhead of a call to exists() - */ - static native long lastModified(String path); - - /* - * This native method sets the permissions to make the file read only. - */ - static native boolean setReadOnly(String path); - - /** - * This method is used to create a temporary file - */ - static native boolean create(String path) throws IOException; - - /* - * This native function actually produces the list of file in this - * directory - */ - static native String[] list(String dirpath); - - /* - * This native method actually performs the rename. - */ - static native boolean renameTo(String targetpath, String destpath); - - /* - * This native method actually determines the length of the file and - * handles the existence check - */ - static native long length(String path); - - /* - * This native method does the actual checking of file existence. - */ - static native boolean exists(String path); - - /* - * This native method handles the actual deleting of the file - */ - static native boolean delete(String path); - - /* - * This method does the actual setting of the modification time. - */ - static native boolean setLastModified(String path, long time); - - /* - * This native method actually creates the directory - */ - static native boolean mkdir(String dirpath); - - /* - * This native method does the actual check of whether or not a file - * is a plain file or not. It also handles the existence check to - * eliminate the overhead of a call to exists() - */ - static native boolean isFile(String path); - - /** - * This native method checks file permissions for writing - */ - static synchronized native boolean canWrite(String path); - - /** - * This methods checks if a directory can be written to. - */ - static boolean canWriteDirectory(File dir) - { - try - { - String filename = IS_DOS_8_3 ? "tst" : "test-dir-write"; - File test = File.createTempFile(filename, null, dir); - return (test != null && test.delete()); - } - catch (IOException ioe) - { - return false; - } - } - - /** - * This native method checks file permissions for reading - */ - static synchronized native boolean canRead(String path); - - /* - * This method does the actual check of whether or not a file is a - * directory or not. It also handle the existence check to eliminate - * the overhead of a call to exists() - */ - static native boolean isDirectory(String dirpath); - - /** - * This method returns an array of filesystem roots. Some operating systems - * have volume oriented filesystem. This method provides a mechanism for - * determining which volumes exist. GNU systems use a single hierarchical - * filesystem, so will have only one "/" filesystem root. - * - * @return An array of <code>File</code> objects for each filesystem root - * available. - * - * @since 1.2 - */ - static File[] listRoots() - { - File[] roots = new File[1]; - roots[0] = new File("/"); - return roots; - } - - /** - * This method tests whether or not this file represents a "hidden" file. - * On GNU systems, a file is hidden if its name begins with a "." - * character. Files with these names are traditionally not shown with - * directory listing tools. - * - * @return <code>true</code> if the file is hidden, <code>false</code> - * otherwise. - * - * @since 1.2 - */ - static boolean isHidden(String path) - { - // FIXME: this only works on UNIX - return getName(path).startsWith("."); - } - - /** - * This method returns the name of the file. This is everything in the - * complete path of the file after the last instance of the separator - * string. - * - * @return The file name - */ - static String getName(String path) - { - int pos = PlatformHelper.lastIndexOfSeparator(path); - if (pos == -1) - return path; - - if (PlatformHelper.endWithSeparator(path)) - return ""; - - return path.substring(pos + File.separator.length()); - } - - /** - * This method returns a canonical representation of the pathname of - * this file. The actual form of the canonical representation is - * system-dependent. On the GNU system, conversion to canonical - * form involves the removal of redundant separators, references to - * "." and "..", and symbolic links. - * <p> - * Note that this method, unlike the other methods which return path - * names, can throw an IOException. This is because native method - * might be required in order to resolve the canonical path - * - * @exception IOException If an error occurs - */ - public static native String toCanonicalForm(String path) throws IOException; -} |
