/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This 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 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.jdr.vfs;
import org.jboss.as.jdr.util.WildcardPattern;
import org.jboss.vfs.VirtualFile;
import org.jboss.vfs.VirtualFileFilter;
import org.jboss.vfs.util.MatchAllVirtualFileFilter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.regex.Pattern;
/**
* @author csams@redhat.com
* Date: 11/23/12
*/
public class Filters {
public static final VirtualFileFilter TRUE = MatchAllVirtualFileFilter.INSTANCE;
public static VirtualFileFilter not(final VirtualFileFilter filter) {
return new VirtualFileFilter() {
@Override
public boolean accepts(VirtualFile file) {
return !filter.accepts(file);
}
};
}
public static VirtualFileFilter and(final VirtualFileFilter... filters) {
return new VirtualFileFilter() {
@Override
public boolean accepts(VirtualFile file) {
for(VirtualFileFilter f: filters) {
if(!f.accepts(file)){
return false;
}
}
return true;
}
};
}
public static VirtualFileFilter or(final VirtualFileFilter... filters) {
return new VirtualFileFilter() {
@Override
public boolean accepts(VirtualFile file) {
for(VirtualFileFilter f: filters) {
if(f.accepts(file)){
return true;
}
}
return false;
}
};
}
public static VirtualFileFilter wildcard(final String p){
return new VirtualFileFilter() {
private WildcardPattern pattern = new WildcardPattern(p);
@Override
public boolean accepts(VirtualFile file) {
return pattern.matches(file.getPathName());
}
};
}
public static BlacklistFilter wildcardBlackList() {
return new WildcardBlacklistFilter();
}
public static BlacklistFilter wildcardBlacklistFilter(final String... patterns){
return new WildcardBlacklistFilter(patterns);
}
public static BlacklistFilter regexBlackList() {
return new RegexBlacklistFilter();
}
public static BlacklistFilter regexBlackList(String... patterns) {
return new RegexBlacklistFilter(patterns);
}
public static VirtualFileFilter suffix(final String s){
return new VirtualFileFilter() {
@Override
public boolean accepts(VirtualFile file) {
return file.getPathName().endsWith(s);
}
};
}
public interface BlacklistFilter extends VirtualFileFilter {
void add(final String... patterns);
}
private static class WildcardBlacklistFilter implements BlacklistFilter {
private final List<WildcardPattern> patterns;
public WildcardBlacklistFilter() {
patterns = new ArrayList<WildcardPattern>();
patterns.add(new WildcardPattern("*-users.properties"));
}
public WildcardBlacklistFilter(final String... patterns) {
this.patterns = new ArrayList<WildcardPattern>(patterns.length);
add(patterns);
}
@Override
public boolean accepts(VirtualFile file) {
for(WildcardPattern p: this.patterns){
if(p.matches(file.getName())){
return false;
}
}
return true;
}
public void add(final String... patterns){
for(String p: patterns) {
this.patterns.add(new WildcardPattern(p));
}
}
}
private static class RegexBlacklistFilter implements BlacklistFilter {
private final List<Pattern> patterns;
public RegexBlacklistFilter(){
this.patterns = Arrays.asList(Pattern.compile(".*-users.properties"));
}
public RegexBlacklistFilter(final String... patterns){
this.patterns = new ArrayList<Pattern>(patterns.length);
add(patterns);
}
@Override
public boolean accepts(final VirtualFile file) {
for(Pattern p: this.patterns){
if(p.matcher(file.getName()).matches()){
return false;
}
}
return true;
}
public void add(final String... patterns){
for(String p: patterns){
this.patterns.add(Pattern.compile(p));
}
}
}
}