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package org.txm.utils;
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import java.io.File;
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import java.io.FileFilter;
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import java.io.FilenameFilter;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.regex.Pattern;
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import org.apache.commons.io.FilenameUtils;
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public static String stripExtension(File f) {
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return FilenameUtils.getBaseName(f.getName());
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}
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/**
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* select file and directories
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* ignore hidden files
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*
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* @param file a directory or a file (its parent directory will be used)
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* @return list of files, null if the file does not exists
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*/
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public File[] listFiles(File file) {
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return listFiles(file, null, false, true);
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}
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/**
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* select only files not hidden
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*/
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public static final FileFilter HIDDENFILE_FILTER = new FileFilter() {
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@Override
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public boolean accept(File file) {
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return !file.isHidden() && !file.getName().startsWith(".") && !file.getName().endsWith("~");
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}
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};
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/**
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*
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* @return a list containing the files not hidden
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*/
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public List<File> listFilesAsList(File dir) {
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File[] files = dir.listFiles(HIDDENFILE_FILTER);
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if (files == null)
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return new ArrayList<File>();
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return Arrays.asList(files);
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}
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/**
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*
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* @param file a directory or a file (its parent directory will be used)
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* @param namePattern null or filename regex
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* @return list of files, null if the file does not exists
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*/
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public File[] listFiles(File file, String namePattern, boolean fileOnly, boolean ignoreHiddenFiles) {
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if (!file.isDirectory()) {
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file = file.getParentFile();
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}
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if (file == null) {
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return null;
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}
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File[] files = file.listFiles(new PatternFilter(namePattern, fileOnly, ignoreHiddenFiles));
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if (files != null) {
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Arrays.sort(files); // always sort files by name
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}
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return files;
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}
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public static class PatternFilter implements FileFilter {
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public Pattern mNamePattern = null;
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boolean fileOnly;
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boolean ignoreHiddenFiles;
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public PatternFilter(String pattern, boolean fileOnly, boolean ignoreHiddenFiles) {
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if (pattern != null && pattern.length() > 0) {
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mNamePattern = Pattern.compile(pattern);
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}
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this.ignoreHiddenFiles = ignoreHiddenFiles;
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this.fileOnly = fileOnly;
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}
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@Override
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public boolean accept(File file) {
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if (fileOnly && !file.isFile()) return false;
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if (ignoreHiddenFiles && !HIDDENFILE_FILTER.accept(file)) return false;
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if (mNamePattern == null) return true; // no more tests
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return mNamePattern.matcher(file.getName()).matches(); // test the whole filename
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}
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}
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public static void main(String[] args) {
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File f = new File("test.gz.Txt");
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System.out.println("base=" + stripExtension(f));
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