[JGIT PATCH v4 11/24] Added the class AddRuleListFactory.

[Florian Koeberle <florianskarten@web.de>]

Signed-off-by: Florian Koeberle <florianskarten@web.de>
---
 .../jgit/treewalk/rules/AddRuleListFactory.java    |   96 ++++++++++++++++++++
 1 files changed, 96 insertions(+), 0 deletions(-)
 create mode 100644 org.spearce.jgit/src/org/spearce/jgit/treewalk/rules/AddRuleListFactory.java

diff --git a/org.spearce.jgit/src/org/spearce/jgit/treewalk/rules/AddRuleListFactory.java b/org.spearce.jgit/src/org/spearce/jgit/treewalk/rules/AddRuleListFactory.java
new file mode 100644
index 0000000..5304a38
--- /dev/null
+++ b/org.spearce.jgit/src/org/spearce/jgit/treewalk/rules/AddRuleListFactory.java
@@ -0,0 +1,96 @@
+/*
+ * 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.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.spearce.jgit.errors.InvalidPatternException;
+import org.spearce.jgit.errors.PathNotInProjectDirectoryException;
+
+class AddRuleListFactory {
+
+	private static String getRelativeUnixPath(File projectDirectory, File file)
+			throws PathNotInProjectDirectoryException, IOException {
+		final StringBuilder resultBuilder = new StringBuilder();
+		File currentFile = file.getCanonicalFile();
+		while (!currentFile.equals(projectDirectory)) {
+			if (resultBuilder.length() > 0) {
+				resultBuilder.insert(0, '/');
+			}
+			resultBuilder.insert(0, currentFile.getName());
+			currentFile = currentFile.getParentFile();
+			if (currentFile == null) {
+				throw new PathNotInProjectDirectoryException();
+			}
+		}
+		return resultBuilder.toString();
+	}
+
+	List<Rule> createRuleList(File projectDirectory, File workingDirectory,
+			List<String> filePatternsOfAddCommand)
+			throws PathNotInProjectDirectoryException, IOException,
+			InvalidPatternException {
+
+		final String workingDirectoryPath = getRelativeUnixPath(
+				projectDirectory, workingDirectory);
+
+		final List<Rule> ruleList = new ArrayList<Rule>(
+				filePatternsOfAddCommand.size());
+		for (String pattern : filePatternsOfAddCommand) {
+			boolean matchDirectoriesOnly = false;
+			if (pattern.endsWith(File.separator)) {
+				pattern = pattern.substring(0, pattern.length() - 1);
+				matchDirectoriesOnly = true;
+			}
+			pattern = pattern.replace(File.separatorChar, '/');
+			if (!"".equals(workingDirectoryPath)) {
+				pattern = workingDirectoryPath + "/" + pattern;
+
+			}
+			final FilePattern filePattern = new FilePathPattern(pattern, true,
+					matchDirectoriesOnly);
+			final Rule rule = new Rule(false, filePattern);
+			ruleList.add(rule);
+
+		}
+		return ruleList;
+	}
+}
-- 
1.5.4.3