// listDirs.java
// (C) 2008 by Florian Richter <Florian_Richter@gmx.de>
// first published 06.07.2008 on http://yacy.net
//
// This is a part of YaCy, a peer-to-peer based web search engine
//
// $LastChangedDate: 2011-03-08 02:51:51 +0100 (Di, 08. Mär 2011) $
// $LastChangedRevision: 7567 $
// $LastChangedBy: low012 $
//
// LICENSE
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package de.anomic.tools;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
public class ListDirs {
private boolean isJar = false;
private File FileObject = null;
private JarFile JarFileObject = null;
private final String uri;
private String pathInJar;
public ListDirs(final String uri) throws IOException, URISyntaxException {
this.uri = uri;
if(uri.startsWith("jar:")) {
isJar = true;
JarFileObject = new JarFile(uri.substring(9, uri.indexOf('!')));
pathInJar = uri.substring(uri.indexOf('!') + 2);
} else {
FileObject = new File(new URI(uri));
}
}
public ArrayList<String> listFiles(final String regex) {
final ArrayList<String> files = getAllFiles();
final ArrayList<String> classes = new ArrayList<String>();
for(final String file: files) {
if(file.matches(regex)) {
classes.add(file);
}
}
return classes;
}
private ArrayList<String> getAllFiles() {
final ArrayList<String> files = new ArrayList<String>(50);
if(isJar) {
final Enumeration<JarEntry> entries = JarFileObject.entries();
while(entries.hasMoreElements()) {
final JarEntry entry = entries.nextElement();
final String entryname = entry.getName();
if(entryname.startsWith(pathInJar) && entryname.charAt(entryname.length()-1)!='/') {
files.add(entryname);
}
}
} else {
for(final File file: getFilesRecursive(FileObject)) {
files.add(file.toString());
}
}
return files;
}
private ArrayList<File> getFilesRecursive(final File start) {
final File[] fileList = start.listFiles();
final ArrayList<File> completeList = new ArrayList<File>();
for(final File file: fileList) {
if(file.isDirectory()) {
completeList.addAll(getFilesRecursive(file));
} else {
completeList.add(file);
}
}
return completeList;
}
public String toString() {
return this.uri;
}
}