mirror of
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105 lines
3.1 KiB
Java
105 lines
3.1 KiB
Java
// listDirs.java
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// (C) 2008 by Florian Richter <Florian_Richter@gmx.de>
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// first published 06.07.2008 on http://yacy.net
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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//
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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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//
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// LICENSE
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package net.yacy.utils;
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import java.io.File;
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import java.io.IOException;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.util.ArrayList;
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import java.util.Enumeration;
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import java.util.jar.JarEntry;
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import java.util.jar.JarFile;
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public class ListDirs {
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private boolean isJar = false;
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private File FileObject = null;
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private JarFile JarFileObject = null;
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private final String uri;
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private String pathInJar;
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public ListDirs(final String uri) throws IOException, URISyntaxException {
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this.uri = uri;
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if(uri.startsWith("jar:")) {
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isJar = true;
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JarFileObject = new JarFile(uri.substring(9, uri.indexOf('!')));
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pathInJar = uri.substring(uri.indexOf('!') + 2);
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} else {
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FileObject = new File(new URI(uri));
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}
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}
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public ArrayList<String> listFiles(final String regex) {
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final ArrayList<String> files = getAllFiles();
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final ArrayList<String> classes = new ArrayList<String>();
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for(final String file: files) {
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if(file.matches(regex)) {
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classes.add(file);
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}
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}
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return classes;
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}
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private ArrayList<String> getAllFiles() {
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final ArrayList<String> files = new ArrayList<String>(50);
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if(isJar) {
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final Enumeration<JarEntry> entries = JarFileObject.entries();
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while(entries.hasMoreElements()) {
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final JarEntry entry = entries.nextElement();
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final String entryname = entry.getName();
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if(entryname.startsWith(pathInJar) && entryname.charAt(entryname.length()-1)!='/') {
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files.add(entryname);
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}
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}
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} else {
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for(final File file: getFilesRecursive(FileObject)) {
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files.add(file.toString());
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}
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}
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return files;
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}
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private ArrayList<File> getFilesRecursive(final File start) {
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final File[] fileList = start.listFiles();
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final ArrayList<File> completeList = new ArrayList<File>();
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for(final File file: fileList) {
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if(file.isDirectory()) {
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completeList.addAll(getFilesRecursive(file));
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} else {
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completeList.add(file);
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}
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}
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return completeList;
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}
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@Override
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public String toString() {
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return this.uri;
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}
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}
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