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/server/filesys/NotifyChange.java

@@ -0,0 +1,170 @@
+/*
+ * 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.server.filesys;
+
+/**
+ * Notify Change Transaction Class
+ */
+public class NotifyChange
+{
+
+    // Change notification filter flags
+
+    public final static int FileName = 0x0001;
+    public final static int DirectoryName = 0x0002;
+    public final static int Attributes = 0x0004;
+    public final static int Size = 0x0008;
+    public final static int LastWrite = 0x0010;
+    public final static int LastAccess = 0x0020;
+    public final static int Creation = 0x0040;
+    public final static int Security = 0x0100;
+
+    // Change notification actions
+
+    public final static int ActionAdded = 1;
+    public final static int ActionRemoved = 2;
+    public final static int ActionModified = 3;
+    public final static int ActionRenamedOldName = 4;
+    public final static int ActionRenamedNewName = 5;
+    public final static int ActionAddedStream = 6;
+    public final static int ActionRemovedStream = 7;
+    public final static int ActionModifiedStream = 8;
+
+    // Change notification action names
+
+    private final static String[] _actnNames = { "Added", "Removed", "Modified", "RenamedOldName", "RenamedNewName",
+            "AddedStream", "RemovedStream", "ModifiedStream" };
+
+    /**
+     * Return the change notification action as a string
+     * 
+     * @param action int
+     * @return String
+     */
+    public static final String getActionAsString(int action)
+    {
+
+        // Range check the action
+
+        if (action <= 0 || action > _actnNames.length)
+            return "Unknown";
+
+        // Return the action as a string
+
+        return _actnNames[action - 1];
+    }
+
+    /**
+     * Return the change notification filter flag as a string. This method assumes a single flag is
+     * set.
+     * 
+     * @param filter int
+     * @return String
+     */
+    public static final String getFilterAsString(int filter)
+    {
+
+        // Check if there are any flags set
+
+        if (filter == 0)
+            return "";
+
+        // Determine the filter type
+
+        String filtStr = null;
+
+        switch (filter)
+        {
+        case FileName:
+            filtStr = "FileName";
+            break;
+        case DirectoryName:
+            filtStr = "DirectoryName";
+            break;
+        case Attributes:
+            filtStr = "Attributes";
+            break;
+        case Size:
+            filtStr = "Size";
+            break;
+        case LastWrite:
+            filtStr = "LastWrite";
+            break;
+        case LastAccess:
+            filtStr = "LastAccess";
+            break;
+        case Creation:
+            filtStr = "Creation";
+            break;
+        case Security:
+            filtStr = "Security";
+            break;
+        }
+
+        // Return the filter type string
+
+        return filtStr;
+    }
+
+    /**
+     * Return the change notification filter flags as a string.
+     * 
+     * @param filter int
+     * @return String
+     */
+    public static final String getFilterFlagsAsString(int filter)
+    {
+
+        // Check if there are any flags set
+
+        if (filter == 0)
+            return "";
+
+        // Build the filter flags string
+
+        StringBuffer filtStr = new StringBuffer();
+        int i = 0x0001;
+
+        while (i < Security)
+        {
+
+            // Check if the current filter flag is set
+
+            if ((filter & i) != 0)
+            {
+
+                // Get the filter flag name
+
+                String name = getFilterAsString(i);
+                if (name != null)
+                {
+                    if (filtStr.length() > 0)
+                        filtStr.append(",");
+                    filtStr.append(name);
+                }
+            }
+
+            // Update the filter flag mask
+
+            i = i << 1;
+        }
+
+        // Return the filter flags string
+
+        return filtStr.toString();
+    }
+}