1 files changed, 63 insertions, 0 deletions
diff --git a/tools/integrate/Filesystem.java b/tools/integrate/Filesystem.java
new file mode 100644
index 0000000..a9c1789
--- /dev/null
+++ b/tools/integrate/Filesystem.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * Factory for filesystem commands.
+ */
+class Filesystem {
+
+    public void move(String source, String target) {
+        new Command("mv", source, target).execute();
+    }
+
+    /**
+     * Moves all of the files in {@code source} to {@code target}, one at a
+     * time. Unlike {@code move}, this approach works even if the target
+     * directory is nonempty.
+     */
+    public int moveContents(String source, String target) {
+        List<String> files = new Command("find", source, "-type", "f") .execute();
+        for (String file : files) {
+            String targetFile = target + "/" + file.substring(source.length());
+            mkdir(parent(targetFile));
+            new Command("mv", "-i", file, targetFile).execute();
+        }
+        return files.size();
+    }
+
+    private String parent(String file) {
+        return file.substring(0, file.lastIndexOf('/'));
+    }
+
+    public void mkdir(String dir) {
+        new Command("mkdir", "-p", dir).execute();
+    }
+
+    public List<String> find(String where, String name) {
+        return new Command("find", where, "-name", name).execute();
+    }
+
+    public void rm(Collection<String> files) {
+        new Command.Builder().args("rm", "-r").args(files).execute();
+    }
+
+    public void rm(String file) {
+        new Command("rm", "-r", file).execute();
+    }
+}