1 files changed, 84 insertions, 0 deletions
diff --git a/src/io/appium/droiddriver/util/FileUtils.java b/src/io/appium/droiddriver/util/FileUtils.java
new file mode 100644
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--- /dev/null
+++ b/src/io/appium/droiddriver/util/FileUtils.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2013 DroidDriver committers
+ *
+ * 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.
+ */
+
+package io.appium.droiddriver.util;
+
+import android.annotation.TargetApi;
+import android.os.Build;
+import android.util.Log;
+
+import java.io.BufferedOutputStream;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+
+import io.appium.droiddriver.exceptions.DroidDriverException;
+
+/**
+ * Internal helper methods for manipulating files.
+ */
+public class FileUtils {
+  /**
+   * Opens file at {@code path} to output. If any directories on {@code path} do
+   * not exist, they will be created. The file will be readable and writable to
+   * all.
+   */
+  @TargetApi(Build.VERSION_CODES.GINGERBREAD)
+  public static BufferedOutputStream open(String path) throws FileNotFoundException {
+    File file = getAbsoluteFile(path);
+
+    Logs.log(Log.INFO, "opening file " + file.getAbsolutePath());
+    BufferedOutputStream stream = new BufferedOutputStream(new FileOutputStream(file));
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD) {
+      file.setReadable(true /* readable */, false/* ownerOnly */);
+      file.setWritable(true /* readable */, false/* ownerOnly */);
+    }
+    return stream;
+  }
+
+  /**
+   * Returns a new file constructed using the absolute path of {@code path}.
+   * Unlike {@link File#getAbsoluteFile()}, default parent is "java.io.tmpdir"
+   * instead of "user.dir".
+   * <p>
+   * If any directories on {@code path} do not exist, they will be created.
+   */
+  public static File getAbsoluteFile(String path) {
+    File file = new File(path);
+    if (!file.isAbsolute()) {
+      file = new File(System.getProperty("java.io.tmpdir"), path);
+    }
+    mkdirs(file.getParentFile());
+    return file;
+  }
+
+  @TargetApi(Build.VERSION_CODES.GINGERBREAD)
+  private static void mkdirs(File dir) {
+    if (dir == null || dir.exists()) {
+      return;
+    }
+
+    mkdirs(dir.getParentFile());
+    if (!dir.mkdir()) {
+      throw new DroidDriverException("failed to mkdir " + dir);
+    }
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD) {
+      dir.setReadable(true /* readable */, false/* ownerOnly */);
+      dir.setWritable(true /* readable */, false/* ownerOnly */);
+      dir.setExecutable(true /* executable */, false/* ownerOnly */);
+    }
+  }
+}