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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/DialectSelector.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.BitSet;
+
+/**
+ * SMB dialect selector class.
+ */
+public class DialectSelector
+{
+
+    // Bit set of selected SMB dialects.
+
+    private BitSet dialects;
+
+    /**
+     * Construct a new SMB dialect selector with the SMB core protocol selected.
+     */
+
+    public DialectSelector()
+    {
+        dialects = new BitSet(Dialect.Max);
+
+        // Select only the core protocol by default
+
+        ClearAll();
+        AddDialect(Dialect.Core);
+    }
+
+    /**
+     * Add a dialect to the list of available SMB dialects.
+     * 
+     * @param idx Index of the dialect to add to the available dialects.
+     * @exception java.lang.ArrayIndexOutOfBoundsException Invalid dialect index.
+     */
+
+    public void AddDialect(int d) throws java.lang.ArrayIndexOutOfBoundsException
+    {
+        dialects.set(d);
+    }
+
+    /**
+     * Clear all the dialect bits.
+     */
+
+    public void ClearAll()
+    {
+        for (int i = 0; i < dialects.size(); dialects.clear(i++))
+            ;
+    }
+
+    /**
+     * Copy the SMB dialect selector settings.
+     * 
+     * @param dsel DialectSelector
+     */
+    public void copyFrom(DialectSelector dsel)
+    {
+
+        // Clear all current settings
+
+        ClearAll();
+
+        // Copy the settings
+
+        for (int i = 0; i < Dialect.Max; i++)
+        {
+
+            // Check if the dialect is enabled
+
+            if (dsel.hasDialect(i))
+                AddDialect(i);
+        }
+    }
+
+    /**
+     * Determine if the specified SMB dialect is selected/available.
+     * 
+     * @param idx Index of the dialect to test for.
+     * @return true if the SMB dialect is available, else false.
+     * @exception java.lang.ArrayIndexOutOfBoundsException Invalid dialect index.
+     */
+
+    public boolean hasDialect(int d) throws java.lang.ArrayIndexOutOfBoundsException
+    {
+        return dialects.get(d);
+    }
+
+    /**
+     * Determine if the core SMB dialect is enabled
+     * 
+     * @return boolean
+     */
+    public boolean hasCore()
+    {
+        if (hasDialect(Dialect.Core) || hasDialect(Dialect.CorePlus))
+            return true;
+        return false;
+    }
+
+    /**
+     * Determine if the LanMan SMB dialect is enabled
+     * 
+     * @return boolean
+     */
+    public boolean hasLanMan()
+    {
+        if (hasDialect(Dialect.DOSLanMan1) || hasDialect(Dialect.DOSLanMan2) || hasDialect(Dialect.LanMan1)
+                || hasDialect(Dialect.LanMan2) || hasDialect(Dialect.LanMan2_1))
+            return true;
+        return false;
+    }
+
+    /**
+     * Determine if the NT SMB dialect is enabled
+     * 
+     * @return boolean
+     */
+    public boolean hasNT()
+    {
+        if (hasDialect(Dialect.NT))
+            return true;
+        return false;
+    }
+
+    /**
+     * Remove an SMB dialect from the list of available dialects.
+     * 
+     * @param idx Index of the dialect to remove.
+     * @exception java.lang.ArrayIndexOutOfBoundsException Invalid dialect index.
+     */
+
+    public void RemoveDialect(int d) throws java.lang.ArrayIndexOutOfBoundsException
+    {
+        dialects.clear(d);
+    }
+
+    /**
+     * Return the dialect selector list as a string.
+     * 
+     * @return java.lang.String
+     */
+    public String toString()
+    {
+
+        // Create a string buffer to build the return string
+
+        StringBuffer str = new StringBuffer();
+        str.append("[");
+
+        for (int i = 0; i < dialects.size(); i++)
+        {
+            if (hasDialect(i))
+            {
+                str.append(Dialect.DialectTypeString(i));
+                str.append(",");
+            }
+        }
+
+        // Trim the last comma and return the string
+
+        if (str.length() > 1)
+            str.setLength(str.length() - 1);
+        str.append("]");
+        return str.toString();
+    }
+}