moving files around

2026-05-20 00:00:03 -04:00 · 2009-11-06 21:36:46 +01:00
parent ad913b5093
commit b3aa378f16
79 changed files with 0 additions and 0 deletions
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2008, Harald Kuhr
+ * 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 "TwelveMonkeys" 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 com.twelvemonkeys.io;
+
+import com.twelvemonkeys.util.StringTokenIterator;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.BufferedReader;
+
+/**
+ * UnixFileSystem
+ * <p/>
+ *
+ * @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
+ * @version $Id: //depot/branches/personal/haraldk/twelvemonkeys/release-2/twelvemonkeys-core/src/main/java/com/twelvemonkeys/io/UnixFileSystem.java#1 $
+ */
+final class UnixFileSystem extends FileSystem {
+    long getFreeSpace(File pPath) {
+        try {
+            return getNumber(pPath, 3);
+        }
+        catch (IOException e) {
+            return 0l;
+        }
+    }
+
+    long getTotalSpace(File pPath) {
+        try {
+            return getNumber(pPath, 5);
+        }
+        catch (IOException e) {
+            return 0l;
+        }
+    }
+
+    private long getNumber(File pPath, int pIndex) throws IOException {
+        // TODO: Test on other platforms
+        // Tested on Mac OS X, CygWin
+        BufferedReader reader = exec(new String[] {"df", "-k", pPath.getAbsolutePath()});
+
+        String last = null;
+        String line;
+        try {
+            while ((line = reader.readLine()) != null) {
+                last = line;
+            }
+        }
+        finally {
+            FileUtil.close(reader);
+        }
+
+        if (last != null) {
+            String blocks = null;
+            StringTokenIterator tokens = new StringTokenIterator(last, " ", StringTokenIterator.REVERSE);
+            int count = 0;
+            // We want the 3rd last token
+            while (count < pIndex && tokens.hasNext()) {
+                blocks = tokens.nextToken();
+                count++;
+            }
+
+            if (blocks != null) {
+                try {
+                    return Long.parseLong(blocks) * 1024L;
+                }
+                catch (NumberFormatException ignore) {
+                    // Ignore
+                }
+            }
+        }
+
+        return 0l;
+    }
+
+    String getName() {
+        return "Unix";
+    }
+}