[JGIT PATCH v4 07/24] Added the class IgnoreRuleListFactory.
Signed-off-by: Florian Koeberle <florianskarten@web.de>
---
.../jgit/treewalk/rules/IgnoreRuleListFactory.java | 115 ++++++++++++++++++++
1 files changed, 115 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..aa4a384
--- /dev/null
+++ b/org.spearce.jgit/src/org/spearce/jgit/treewalk/rules/IgnoreRuleListFactory.java
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2008, Florian Köberle <florianskarten@web.de>
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * - Neither the name of the Git Development Community nor the
+ * names of its contributors may be used to endorse or promote
+ * products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+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 org.spearce.jgit.errors.InvalidPatternException;
+
+/**
+ * This class can be used to create lists of {@link Rule} objects from lines of
+ * .gitignore like files.
+ *
+ */
+class IgnoreRuleListFactory {
+
+ List<Rule> createIgnoreRuleList(final Iterable<String> lineIterable)
+ throws InvalidPatternException {
+ 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(final List<File> files)
+ throws FileNotFoundException, InvalidPatternException {
+ 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 patternString)
+ throws InvalidPatternException {
+ final boolean inverse = patternString.startsWith("!");
+ if (inverse)
+ patternString = patternString.substring(1);
+
+ final FilePattern pattern = createFilePattern(patternString);
+ return new Rule(!inverse, pattern);
+ }
+
+ private FilePattern createFilePattern(String patternString)
+ throws InvalidPatternException {
+ final boolean matchDirectoriesOnly = patternString.endsWith("/");
+ if (matchDirectoriesOnly)
+ patternString = patternString.substring(0,
+ patternString.length() - 1);
+ if (patternString.contains("/")) {
+ if (patternString.startsWith("/"))
+ patternString = patternString.substring(1);
+
+ return new FilePathPattern(patternString, false,
+ matchDirectoriesOnly);
+ } else {
+ return new FileNamePattern(patternString, matchDirectoriesOnly);
+ }
+ }
+
+}
--
1.5.4.3