Moving to root below branch label

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2005 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/filesys/smb/NTTime.java

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+/*
+ * Copyright (C) 2005 Alfresco, Inc.
+ *
+ * Licensed under the Mozilla Public License version 1.1 
+ * with a permitted attribution clause. You may obtain a
+ * copy of the License at
+ *
+ *   http://www.alfresco.org/legal/license.txt
+ *
+ * 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 org.alfresco.filesys.smb;
+
+import java.util.Date;
+
+/**
+ * NT 64bit Time Conversion Class
+ * <p>
+ * Convert an NT 64bit time value to a Java Date value and vice versa.
+ */
+public class NTTime
+{
+    // NT time value indicating infinite time
+
+    public static final long InfiniteTime = 0x7FFFFFFFFFFFFFFFL;
+
+    // Time conversion constant, difference between NT 64bit base date of 1-1-1601 00:00:00 and
+    // Java base date of 1-1-1970 00:00:00. In 100ns units.
+
+    private static final long TIME_CONVERSION = 116444736000000000L;
+
+    /**
+     * Convert a Java Date value to an NT 64bit time
+     * 
+     * @param jdate Date
+     * @return long
+     */
+    public final static long toNTTime(Date jdate)
+    {
+
+        // Add the conversion constant to the Java date raw value, convert the Java milliseconds to
+        // 100ns units
+
+        long ntDate = (jdate.getTime() * 10000L) + TIME_CONVERSION;
+        return ntDate;
+    }
+
+    /**
+     * Convert a Java Date value to an NT 64bit time
+     * 
+     * @param jdate long
+     * @return long
+     */
+    public final static long toNTTime(long jdate)
+    {
+
+        // Add the conversion constant to the Java date raw value, convert the Java milliseconds to
+        // 100ns units
+
+        long ntDate = (jdate * 10000L) + TIME_CONVERSION;
+        return ntDate;
+    }
+
+    /**
+     * Convert an NT 64bit time value to a Java date value
+     * 
+     * @param ntDate long
+     * @return SMBDate
+     */
+    public final static SMBDate toSMBDate(long ntDate)
+    {
+
+        // Convert the NT 64bit 100ns time value to a Java milliseconds value
+
+        long jDate = (ntDate - TIME_CONVERSION) / 10000L;
+        return new SMBDate(jDate);
+    }
+
+    /**
+     * Convert an NT 64bit time value to a Java date value
+     * 
+     * @param ntDate long
+     * @return long
+     */
+    public final static long toJavaDate(long ntDate)
+    {
+
+        // Convert the NT 64bit 100ns time value to a Java milliseconds value
+
+        long jDate = (ntDate - TIME_CONVERSION) / 10000L;
+        return jDate;
+    }
+}