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85 changes: 85 additions & 0 deletions
85
openedge-plugin/src/main/java/org/sonar/plugins/openedge/foundation/FilenameUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You under the Apache License, Version 2.0 | ||
| * (the "License"); you may not use this file except in compliance with | ||
| * the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package org.sonar.plugins.openedge.foundation; | ||
|
|
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| import static java.util.Objects.requireNonNull; | ||
|
|
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| /** | ||
| * Imported from commons-io | ||
| */ | ||
| public class FilenameUtils { | ||
|
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| private static final int NOT_FOUND = -1; | ||
|
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| private static final char EXTENSION_SEPARATOR = '.'; | ||
| /** | ||
| * The Unix separator character. | ||
| */ | ||
| private static final char UNIX_SEPARATOR = '/'; | ||
|
|
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| /** | ||
| * The Windows separator character. | ||
| */ | ||
| private static final char WINDOWS_SEPARATOR = '\\'; | ||
|
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| private FilenameUtils() { | ||
| // Only static methods here | ||
| } | ||
|
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| public static String getExtension(String filename) { | ||
| requireNonNull(filename); | ||
| final int index = indexOfExtension(filename); | ||
| if (index == NOT_FOUND) { | ||
| return ""; | ||
| } else { | ||
| return filename.substring(index + 1); | ||
| } | ||
| } | ||
|
|
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| public static String removeExtension(final String fileName) { | ||
| requireNonNull(fileName); | ||
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| final int index = indexOfExtension(fileName); | ||
| if (index == NOT_FOUND) { | ||
| return fileName; | ||
| } | ||
| return fileName.substring(0, index); | ||
| } | ||
|
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| public static String getBaseName(final String fileName) { | ||
| return removeExtension(getName(fileName)); | ||
| } | ||
|
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| public static String getName(final String fileName) { | ||
| if (fileName == null) { | ||
| return null; | ||
| } | ||
| return fileName.substring(indexOfLastSeparator(fileName) + 1); | ||
| } | ||
|
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| private static int indexOfExtension(String filename) { | ||
| final int extensionPos = filename.lastIndexOf(EXTENSION_SEPARATOR); | ||
| final int lastSeparator = indexOfLastSeparator(filename); | ||
| return lastSeparator > extensionPos ? NOT_FOUND : extensionPos; | ||
| } | ||
|
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| private static int indexOfLastSeparator(String filename) { | ||
| final int lastUnixPos = filename.lastIndexOf(UNIX_SEPARATOR); | ||
| final int lastWindowsPos = filename.lastIndexOf(WINDOWS_SEPARATOR); | ||
| return Math.max(lastUnixPos, lastWindowsPos); | ||
| } | ||
| } |
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51 changes: 51 additions & 0 deletions
51
openedge-plugin/src/test/java/org/sonar/plugins/openedge/foundation/FilenameUtilsTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| package org.sonar.plugins.openedge.foundation; | ||
|
|
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| import static org.testng.Assert.assertEquals; | ||
| import static org.testng.Assert.expectThrows; | ||
| import static org.sonar.plugins.openedge.foundation.FilenameUtils.getExtension; | ||
| import static org.sonar.plugins.openedge.foundation.FilenameUtils.removeExtension; | ||
| import static org.sonar.plugins.openedge.foundation.FilenameUtils.getBaseName; | ||
| import static org.sonar.plugins.openedge.foundation.FilenameUtils.getName; | ||
|
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| import org.testng.annotations.Test; | ||
|
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| public class FilenameUtilsTest { | ||
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| @Test | ||
| public void testGetExtension() { | ||
| assertEquals(getExtension("C:\\foo\\bar\\filename.txt"), "txt"); | ||
| assertEquals(getExtension("filename.txt"), "txt"); | ||
| assertEquals(getExtension("filename.t"), "t"); | ||
| assertEquals(getExtension("filename"), ""); | ||
| assertEquals(getExtension("foo.bar\\filename"), ""); | ||
| expectThrows(NullPointerException.class, () -> getExtension(null)); | ||
| } | ||
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| @Test | ||
| public void testRemoveExtension() { | ||
| assertEquals(removeExtension("C:\\foo\\bar\\filename.txt"), "C:\\foo\\bar\\filename"); | ||
| assertEquals(removeExtension("filename.txt"), "filename"); | ||
| assertEquals(removeExtension("filename.t"), "filename"); | ||
| assertEquals(removeExtension("filename"), "filename"); | ||
| expectThrows(NullPointerException.class, () -> removeExtension(null)); | ||
| } | ||
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| @Test | ||
| public void testGetBaseName() { | ||
| assertEquals(getBaseName("C:\\foo\\bar\\filename.txt"), "filename"); | ||
| assertEquals(getBaseName("filename.txt"), "filename"); | ||
| assertEquals(getBaseName("filename.t"), "filename"); | ||
| assertEquals(getBaseName("filename"), "filename"); | ||
| expectThrows(NullPointerException.class, () -> getBaseName(null)); | ||
| } | ||
|
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| @Test | ||
| public void testGetName() { | ||
| assertEquals(getName("C:\\foo\\bar\\filename.txt"), "filename.txt"); | ||
| assertEquals(getName("filename.txt"), "filename.txt"); | ||
| assertEquals(getName("filename.t"), "filename.t"); | ||
| assertEquals(getName("filename"), "filename"); | ||
| assertEquals(getName(null), null); | ||
| } | ||
|
|
||
| } |
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