| /******************************************************************************* |
| * Copyright (c) 2012 Sonatype Inc. and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Sonatype Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.tycho.extras.buildtimestamp.jgit; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.StringTokenizer; |
| |
| import org.eclipse.jgit.errors.IncorrectObjectTypeException; |
| import org.eclipse.jgit.errors.MissingObjectException; |
| import org.eclipse.jgit.ignore.FastIgnoreRule; |
| import org.eclipse.jgit.lib.Constants; |
| import org.eclipse.jgit.treewalk.TreeWalk; |
| import org.eclipse.jgit.treewalk.filter.TreeFilter; |
| |
| public class PathFilter extends TreeFilter { |
| |
| private final byte[] basedir; |
| |
| private final List<FastIgnoreRule> rules; |
| |
| public PathFilter(String basedir, String filters) { |
| this.basedir = Constants.encode(basedir); |
| |
| if (filters != null) { |
| StringTokenizer st = new StringTokenizer(filters, "\n\r\f", false); |
| List<FastIgnoreRule> rules = new ArrayList<>(); |
| while (st.hasMoreTokens()) { |
| String trimmed = st.nextToken().trim(); |
| if (trimmed.length() > 0) { |
| rules.add(new FastIgnoreRule(trimmed)); |
| } |
| } |
| this.rules = Collections.unmodifiableList(rules); |
| } else { |
| this.rules = null; |
| } |
| } |
| |
| @Override |
| public boolean include(TreeWalk tw) throws MissingObjectException, IncorrectObjectTypeException, IOException { |
| if (tw.isPathPrefix(basedir, basedir.length) != 0) { |
| // not under basedir, not interesting |
| return false; |
| } |
| |
| if (!tw.isSubtree() && rules != null) { |
| String path = tw.getPathString(); |
| for (FastIgnoreRule rule : rules) { |
| if (rule.isMatch(path, tw.isSubtree())) { |
| return !rule.getResult(); |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public boolean shouldBeRecursive() { |
| return true; |
| } |
| |
| @Override |
| public TreeFilter clone() { |
| return this; |
| } |
| |
| } |