| /* |
| * Copyright (C) 2007, Robin Rosenberg <me@lathund.dewire.com> |
| * Copyright (C) 2007, Robin Rosenberg <robin.rosenberg@dewire.com> |
| * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org> |
| * and other copyright owners as documented in the project's IP log. |
| * |
| * This program and the accompanying materials are made available |
| * under the terms of the Eclipse Distribution License v1.0 which |
| * accompanies this distribution, is reproduced below, and is |
| * available at http://www.eclipse.org/org/documents/edl-v10.php |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * |
| * - Neither the name of the Eclipse Foundation, Inc. nor the |
| * names of its contributors may be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package org.eclipse.jgit.util; |
| |
| import java.io.File; |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| |
| class FS_POSIX_Java6 extends FS { |
| private static final Method canExecute; |
| |
| private static final Method setExecute; |
| |
| static { |
| canExecute = needMethod(File.class, "canExecute"); |
| setExecute = needMethod(File.class, "setExecutable", Boolean.TYPE); |
| } |
| |
| static boolean detect() { |
| return canExecute != null && setExecute != null; |
| } |
| |
| private static Method needMethod(final Class<?> on, final String name, |
| final Class<?>... args) { |
| try { |
| return on.getMethod(name, args); |
| } catch (SecurityException e) { |
| return null; |
| } catch (NoSuchMethodException e) { |
| return null; |
| } |
| } |
| |
| public boolean supportsExecute() { |
| return true; |
| } |
| |
| public boolean canExecute(final File f) { |
| try { |
| final Object r = canExecute.invoke(f, (Object[]) null); |
| return ((Boolean) r).booleanValue(); |
| } catch (IllegalArgumentException e) { |
| throw new Error(e); |
| } catch (IllegalAccessException e) { |
| throw new Error(e); |
| } catch (InvocationTargetException e) { |
| throw new Error(e); |
| } |
| } |
| |
| public boolean setExecute(final File f, final boolean canExec) { |
| try { |
| final Object r; |
| r = setExecute.invoke(f, new Object[] { Boolean.valueOf(canExec) }); |
| return ((Boolean) r).booleanValue(); |
| } catch (IllegalArgumentException e) { |
| throw new Error(e); |
| } catch (IllegalAccessException e) { |
| throw new Error(e); |
| } catch (InvocationTargetException e) { |
| throw new Error(e); |
| } |
| } |
| } |