From bace3835073b16a9d005d5baa88421071f433e4e Mon Sep 17 00:00:00 2001 From: Shawn Pearce Date: Fri, 8 Jan 2016 16:56:47 -0800 Subject: [PATCH] Add Paths utility class Simple container for some path related utility functions. Change-Id: Ice2bec6ad12b1e2cea15988c01aa9dd4e016a849 --- .../tst/org/eclipse/jgit/util/PathsTest.java | 62 +++++++++++++++ .../src/org/eclipse/jgit/util/Paths.java | 77 +++++++++++++++++++ 2 files changed, 139 insertions(+) create mode 100644 org.eclipse.jgit.test/tst/org/eclipse/jgit/util/PathsTest.java create mode 100644 org.eclipse.jgit/src/org/eclipse/jgit/util/Paths.java diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/PathsTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/PathsTest.java new file mode 100644 index 000000000..090f3d940 --- /dev/null +++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/PathsTest.java @@ -0,0 +1,62 @@ +/* + * Copyright (C) 2016, Google Inc. + * 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 static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertNull; + +import org.junit.Test; + +public class PathsTest { + @Test + public void testStripTrailingSeparator() { + assertNull(Paths.stripTrailingSeparator(null)); + assertEquals("", Paths.stripTrailingSeparator("")); + assertEquals("a", Paths.stripTrailingSeparator("a")); + assertEquals("a/boo", Paths.stripTrailingSeparator("a/boo")); + assertEquals("a/boo", Paths.stripTrailingSeparator("a/boo/")); + assertEquals("a/boo", Paths.stripTrailingSeparator("a/boo//")); + assertEquals("a/boo", Paths.stripTrailingSeparator("a/boo///")); + } +} diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/Paths.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/Paths.java new file mode 100644 index 000000000..ce2cbc4d3 --- /dev/null +++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/Paths.java @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2016, Google Inc. + * 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; + +/** + * Utility functions for paths inside of a Git repository. + * + * @since 4.2 + */ +public class Paths { + /** + * Remove trailing {@code '/'} if present. + * + * @param path + * input path to potentially remove trailing {@code '/'} from. + * @return null if {@code path == null}; {@code path} after removing a + * trailing {@code '/'}. + */ + public static String stripTrailingSeparator(String path) { + if (path == null || path.isEmpty()) { + return path; + } + + int i = path.length(); + if (path.charAt(path.length() - 1) != '/') { + return path; + } + do { + i--; + } while (path.charAt(i - 1) == '/'); + return path.substring(0, i); + } + + private Paths() { + } +}