Simple container for some path related utility functions. Change-Id: Ice2bec6ad12b1e2cea15988c01aa9dd4e016a849tags/v4.2.0.201601211800-r
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/* | |||
* 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///")); | |||
} | |||
} |
@@ -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() { | |||
} | |||
} |