Signed-off-by: Florian Koeberle <florianskarten@xxxxxx>
---
.../jgit/treewalk/rules/AddRulesFactory.java | 91 ++++++++++++++++++++
1 files changed, 91 insertions(+), 0 deletions(-)
create mode 100644 org.spearce.jgit/src/org/spearce/jgit/treewalk/rules/AddRulesFactory.java
diff --git a/org.spearce.jgit/src/org/spearce/jgit/treewalk/rules/AddRulesFactory.java b/org.spearce.jgit/src/org/spearce/jgit/treewalk/rules/AddRulesFactory.java
new file mode 100644
index 0000000..c1f9a6f
--- /dev/null
+++ b/org.spearce.jgit/src/org/spearce/jgit/treewalk/rules/AddRulesFactory.java
@@ -0,0 +1,91 @@
+package org.spearce.jgit.treewalk.rules;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import org.spearce.jgit.errors.InvalidPatternException;
+import org.spearce.jgit.errors.PathNotInProjectDirectoryException;
+import static org.spearce.jgit.lib.Constants.REPOSITORY_DIRECTORY_NAME;
+
+/**
+ * This class is designed to serve the needs of someone who want to implement a
+ * git-add command and needs to determine the files to add.
+ *
+ */
+public class AddRulesFactory {
+ private final RuleListToObjectConverter converter = new RuleListToObjectConverter();
+
+ private final IgnoreRuleListFactory ignoreRuleListFactory = new IgnoreRuleListFactory();
+
+ private final AddRuleListFactory addRuleListFactory = new AddRuleListFactory();
+
+ /**
+ * @param workTreeDirectory
+ * The directory with the files of the project under version
+ * control.
+ * @param workingDirectory
+ * a directory within the workTreeDirectory.
+ * @param filePatternsOfAddCommand
+ * the file patterns passed to the add command.
+ * @return a {@link Rules} containing the specified rules, the .gitignore
+ * and the .git/info/exclude rules.
+ * @throws InvalidPatternException
+ * if a pattern is invalid.
+ * @throws PathNotInProjectDirectoryException
+ * if the directory workingDirectory is not in workTreeDirectory
+ * @throws IOException
+ * for some reasons.
+ */
+ public Rules createRules(File workTreeDirectory, File workingDirectory,
+ List<String> filePatternsOfAddCommand)
+ throws InvalidPatternException, PathNotInProjectDirectoryException,
+ IOException {
+ final Rule gitDirectoryIgnoreRule = createGitDirectoryIgnoreRule();
+ final File gitDirectory = new File(workTreeDirectory,
+ REPOSITORY_DIRECTORY_NAME);
+ final List<Rule> ignoreRuleListFromFiles = createExcludeRules(
+ workTreeDirectory, gitDirectory);
+ final List<Rule> includeRules = addRuleListFactory.createRuleList(
+ workTreeDirectory, workingDirectory, filePatternsOfAddCommand);
+ final List<Rule> ruleList = new ArrayList<Rule>();
+
+ ruleList.add(gitDirectoryIgnoreRule);
+ ruleList.addAll(ignoreRuleListFromFiles);
+ ruleList.addAll(includeRules);
+ ruleList.add(new Rule(true, FilePattern.MATCH_ALWAYS));
+
+ return converter.createIgnoreRules(ruleList.iterator());
+ }
+
+ private List<Rule> createExcludeRules(File projectDirectory,
+ File gitDirectory) {
+ final List<File> possibleIgnoreFiles = new ArrayList<File>(2);
+ possibleIgnoreFiles.add(new File(projectDirectory, ".gitignore"));
+ possibleIgnoreFiles.add(new File(new File(gitDirectory, "info"),
+ "exclude"));
+
+ final List<File> ignoreFiles = new ArrayList<File>();
+ for (File possibleIgnoreFile : possibleIgnoreFiles) {
+ if (possibleIgnoreFile.isFile()) {
+ ignoreFiles.add(possibleIgnoreFile);
+ }
+ }
+
+ try {
+ return ignoreRuleListFactory.createIgnoreRuleList(ignoreFiles);
+ } catch (FileNotFoundException e) {
+ throw new RuntimeException("unexpected removal of ignore files", e);
+ }
+ }
+
+ private Rule createGitDirectoryIgnoreRule() {
+ final FilePattern gitDirectoryPattern = new ComplexFilePattern(Arrays
+ .asList(REPOSITORY_DIRECTORY_NAME), true);
+ final Rule gitDirectoryIgnoreRule = new Rule(true, gitDirectoryPattern);
+ return gitDirectoryIgnoreRule;
+ }
+}
--
1.5.4.3
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