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use recursive file finder to lookup for files
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Jorge Costa
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Jorge Costa
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Dec 6, 2015
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sonar-cxx-plugin/src/main/java/org/sonar/plugins/cxx/utils/CxxFileFinder.java
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| /* | ||
| * Sonar C++ Plugin (Community) | ||
| * Copyright (C) 2010 Neticoa SAS France | ||
| * [email protected] | ||
| * | ||
| * This program is free software; you can redistribute it and/or | ||
| * modify it under the terms of the GNU Lesser General Public | ||
| * License as published by the Free Software Foundation; either | ||
| * version 3 of the License, or (at your option) any later version. | ||
| * | ||
| * This program 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 | ||
| * Lesser General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Lesser General Public | ||
| * License along with this program; if not, write to the Free Software | ||
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02 | ||
| */ | ||
| package org.sonar.plugins.cxx.utils; | ||
|
|
||
| import static java.nio.file.FileVisitResult.CONTINUE; | ||
|
|
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| import java.io.IOException; | ||
| import java.nio.file.FileSystems; | ||
| import java.nio.file.FileVisitResult; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
| import java.nio.file.PathMatcher; | ||
| import java.nio.file.Paths; | ||
| import java.nio.file.SimpleFileVisitor; | ||
| import java.nio.file.attribute.BasicFileAttributes; | ||
| import java.util.ArrayList; | ||
| import java.util.Collection; | ||
| import java.util.List; | ||
|
|
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| public class CxxFileFinder extends SimpleFileVisitor<Path> { | ||
|
|
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| private final PathMatcher matcher; | ||
| private final boolean recursive; | ||
| private final String baseDir; | ||
| private List<Path> matchedPaths = new ArrayList<Path>(); | ||
|
|
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| CxxFileFinder(String pattern, String baseDir, boolean recursive) { | ||
| matcher = FileSystems.getDefault().getPathMatcher("glob:" + pattern); | ||
| this.recursive = recursive; | ||
| this.baseDir = baseDir.toLowerCase(); | ||
| } | ||
|
|
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| void match(Path file) { | ||
| Path name = file.getFileName(); | ||
|
|
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| if (name != null && matcher.matches(name)) { | ||
| matchedPaths.add(file); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) { | ||
| if (recursive) { | ||
| match(file); | ||
| } else { | ||
| String parentPath = file.getParent().toString().toLowerCase(); | ||
| if (parentPath.equals(this.baseDir)) { | ||
| match(file); | ||
| } | ||
| } | ||
|
|
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| return CONTINUE; | ||
| } | ||
|
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| @Override | ||
| public FileVisitResult visitFileFailed(Path file, IOException exc) { | ||
| CxxUtils.LOG.warn("File access Failed '{}' : ", file, exc.getMessage()); | ||
| return CONTINUE; | ||
| } | ||
|
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| public Collection<Path> getMatchedPaths() { | ||
| return matchedPaths; | ||
| } | ||
|
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| public static Collection<Path> FindFiles(String baseDir, String pattern, boolean recursive) throws IOException { | ||
| CxxFileFinder finder = new CxxFileFinder(pattern, baseDir, recursive); | ||
| Files.walkFileTree(Paths.get(baseDir), finder); | ||
| return finder.getMatchedPaths(); | ||
| } | ||
| } |
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