pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / contrib / benchmark / src / java / org / apache / lucene / benchmark / byTask / utils / FileUtils.java

diff --git a/lucene-java-3.5.0/lucene/contrib/benchmark/src/java/org/apache/lucene/benchmark/byTask/utils/FileUtils.java b/lucene-java-3.5.0/lucene/contrib/benchmark/src/java/org/apache/lucene/benchmark/byTask/utils/FileUtils.java
new file mode 100644 (file)
index 0000000..1712038
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+++ b/lucene-java-3.5.0/lucene/contrib/benchmark/src/java/org/apache/lucene/benchmark/byTask/utils/FileUtils.java
@@ -0,0 +1,54 @@
+package org.apache.lucene.benchmark.byTask.utils;
+
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.io.File;
+import java.io.IOException;
+
+/**
+ * File utilities.
+ */
+public class FileUtils {
+
+  /**
+   * Delete files and directories, even if non-empty.
+   *
+   * @param dir file or directory
+   * @return true on success, false if no or part of files have been deleted
+   * @throws java.io.IOException
+   */
+  public static boolean fullyDelete(File dir) throws IOException {
+    if (dir == null || !dir.exists()) return false;
+    File contents[] = dir.listFiles();
+    if (contents != null) {
+      for (int i = 0; i < contents.length; i++) {
+        if (contents[i].isFile()) {
+          if (!contents[i].delete()) {
+            return false;
+          }
+        } else {
+          if (!fullyDelete(contents[i])) {
+            return false;
+          }
+        }
+      }
+    }
+    return dir.delete();
+  }
+
+}