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| /* |
| * Copyright 2013 Brian Rosenberger (Brutex Network) |
| * |
| * Licensed 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 net.brutex.xservices.util; |
| |
| import java.io.IOException; |
| import java.nio.file.FileSystems; |
| import java.nio.file.FileVisitResult; |
| import java.nio.file.Path; |
| import java.nio.file.PathMatcher; |
| import java.nio.file.SimpleFileVisitor; |
| import java.nio.file.attribute.BasicFileAttributes; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.log4j.Logger; |
| |
| import net.brutex.xservices.types.FileInfoType; |
| |
| // TODO: Auto-generated Javadoc |
| /** |
| * The Class FileWalker. |
| * |
| * @author Brian Rosenberger, bru(at)brutex.de |
| */ |
| public class FileWalker extends SimpleFileVisitor<Path> { |
| |
| /** The matcher. */ |
| private final PathMatcher matcher; |
| |
| /** The num. */ |
| private long num=0; |
| |
| /** The total. */ |
| private long total=0; |
| |
| /** The pattern. */ |
| private final String pattern; |
| |
| /** The logger. */ |
| final Logger logger = Logger.getLogger(FileWalker.class); |
| |
| List<Path> list; |
| |
| /** |
| * Instantiates a new file walker. |
| * |
| * @param pattern the pattern |
| */ |
| public FileWalker(String pattern) { |
| matcher = FileSystems.getDefault() |
| .getPathMatcher("glob:" + pattern); |
| this.pattern = "glob:"+pattern; |
| this.list = new ArrayList<Path>(); |
| } |
| |
| |
| // Compares the glob pattern against |
| // the file or directory name. |
| /** |
| * Find. |
| * |
| * @param file the file |
| */ |
| void find(Path file) { |
| Path name = file.getFileName(); |
| logger.trace("Compare file " + file.toString() + " against pattern '"+pattern+"'."); |
| total++; |
| if (name != null && matcher.matches(name)) { |
| list.add(file); |
| logger.debug("Added file " + file.toString() + " to the result set."); |
| num++; |
| } |
| } |
| |
| // Invoke the pattern matching |
| // method on each file. |
| /* (non-Javadoc) |
| * @see java.nio.file.SimpleFileVisitor#visitFile(java.lang.Object, java.nio.file.attribute.BasicFileAttributes) |
| */ |
| @Override |
| public FileVisitResult visitFile(Path file, |
| BasicFileAttributes attrs) { |
| |
| find(file); |
| return FileVisitResult.CONTINUE; |
| } |
| |
| // Invoke the pattern matching |
| // method on each directory. |
| /* (non-Javadoc) |
| * @see java.nio.file.SimpleFileVisitor#preVisitDirectory(java.lang.Object, java.nio.file.attribute.BasicFileAttributes) |
| */ |
| @Override |
| public FileVisitResult preVisitDirectory(Path dir, |
| BasicFileAttributes attrs) { |
| find(dir); |
| return FileVisitResult.CONTINUE; |
| } |
| |
| /* (non-Javadoc) |
| * @see java.nio.file.SimpleFileVisitor#visitFileFailed(java.lang.Object, java.io.IOException) |
| */ |
| @Override |
| public FileVisitResult visitFileFailed(Path file, |
| IOException exc) { |
| logger.warn(String.format("Failed to include file '%s'.", file.toString())); |
| return FileVisitResult.CONTINUE; |
| } |
| |
| /** |
| * Gets the count. |
| * |
| * @return the count |
| */ |
| public long getCount() { |
| return num; |
| } |
| |
| /** |
| * Gets the total. |
| * |
| * @return the total |
| */ |
| public long getTotal() { |
| return total; |
| } |
| |
| /** |
| * Get result list |
| */ |
| public List<Path> getResult() { |
| return list; |
| } |
| |
| } |
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