moving files around

2026-05-20 00:00:03 -04:00 · 2009-11-06 21:36:46 +01:00
parent ad913b5093
commit b3aa378f16
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+/*
+ * 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 java.io.File;
+import java.io.BufferedReader;
+import java.io.IOException;
+
+/**
+ * WindowsFileSystem
+ * <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/Win32FileSystem.java#2 $
+ */
+final class Win32FileSystem extends FileSystem {
+    public long getFreeSpace(File pPath) {
+        try {
+            // Windows version
+            // TODO: Test on W2K/95/98/etc... (tested on XP)
+            BufferedReader reader = exec(new String[] {"CMD.EXE", "/C", "DIR", "/-C", pPath.getAbsolutePath()});
+
+            String last = null;
+            String line;
+            try {
+                while ((line = reader.readLine()) != null) {
+                    last = line;
+                }
+            }
+            finally {
+                FileUtil.close(reader);
+            }
+
+            if (last != null) {
+                int end = last.lastIndexOf(" bytes free");
+                int start = last.lastIndexOf(' ', end - 1);
+
+                if (start >= 0 && end >= 0) {
+                    try {
+                        return Long.parseLong(last.substring(start + 1, end));
+                    }
+                    catch (NumberFormatException ignore) {
+                        // Ignore
+                    }
+                }
+            }
+        }
+        catch (IOException ignore) {
+            // Ignore
+        }
+
+        return 0l;
+    }
+
+    long getTotalSpace(File pPath) {
+        // TODO: Implement, probably need some JNI stuff...
+        // Distribute df.exe and execute from temp!? ;-)
+        return getFreeSpace(pPath);
+    }
+
+    String getName() {
+        return "Win32";
+    }
+}