[JGIT PATCH v2 14/24] Added the class IgnoreRuleListFactory.
Signed-off-by: Florian Koeberle <florianskarten@web.de>
---
.../jgit/treewalk/rules/IgnoreRuleListFactory.java | 104 ++++++++++++++++++++
1 files changed, 104 insertions(+), 0 deletions(-)
create mode 100644 org.spearce.jgit/src/org/spearce/jgit/treewalk/rules/IgnoreRuleListFactory.java
diff --git a/org.spearce.jgit/src/org/spearce/jgit/treewalk/rules/IgnoreRuleListFactory.java b/org.spearce.jgit/src/org/spearce/jgit/treewalk/rules/IgnoreRuleListFactory.java
new file mode 100644
index 0000000..6634098
--- /dev/null
+++ b/org.spearce.jgit/src/org/spearce/jgit/treewalk/rules/IgnoreRuleListFactory.java
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2008 Florian Köberle
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License, version 2, as published by the Free Software Foundation.
+ *
+ * This library 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 library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
+ */
+package org.spearce.jgit.treewalk.rules;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.util.ArrayList;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Scanner;
+import java.util.StringTokenizer;
+
+/**
+ * This class can be used to create lists of {@link Rule} objects from lines of
+ * .gitignore like files.
+ *
+ */
+class IgnoreRuleListFactory {
+
+ List<Rule> createIgnoreRuleList(Iterable<String> lineIterable) {
+ LinkedList<Rule> rules = new LinkedList<Rule>();
+ for (String line : lineIterable) {
+ final String trimmedLine = line.trim();
+ if (trimmedLine.startsWith("#")) {
+ continue;
+ }
+ if (trimmedLine.length() == 0) {
+ continue;
+ }
+ rules.add(0, createRule(trimmedLine));
+ }
+ return rules;
+ }
+
+ List<Rule> createIgnoreRuleList(List<File> files)
+ throws FileNotFoundException {
+ final List<String> lines = new ArrayList<String>();
+ for (File file : files) {
+ Scanner scanner = new Scanner(file);
+ try {
+ while (scanner.hasNextLine()) {
+ lines.add(scanner.nextLine());
+ }
+ } finally {
+ scanner.close();
+ }
+ }
+ return createIgnoreRuleList(lines);
+ }
+
+ private Rule createRule(String trimmedLine) {
+ final boolean exclude;
+ String patternString;
+ if (trimmedLine.startsWith("!")) {
+ exclude = false;
+ patternString = trimmedLine.substring(1);
+ } else {
+ exclude = true;
+ patternString = trimmedLine;
+ }
+
+ final boolean matchDirectoriesOnly;
+ if (patternString.endsWith("/")) {
+ matchDirectoriesOnly = true;
+ patternString = patternString.substring(0,
+ patternString.length() - 1);
+ } else {
+ matchDirectoriesOnly = false;
+ }
+
+ final FilePattern pattern;
+ if (patternString.contains("/")) {
+ if (patternString.startsWith("/")) {
+ patternString = patternString.substring(1);
+ }
+ final StringTokenizer stringTokenizer = new StringTokenizer(
+ patternString, "/");
+ final List<String> patternList = new ArrayList<String>();
+ while (stringTokenizer.hasMoreTokens()) {
+ final String token = stringTokenizer.nextToken();
+ patternList.add(token);
+ }
+ pattern = new ComplexFilePattern(patternList, matchDirectoriesOnly);
+ } else {
+ pattern = new GlobalFilePattern(patternString, matchDirectoriesOnly);
+ }
+ return new Rule(exclude, pattern);
+ }
+
+}
--
1.5.4.3