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/dcerpc/PolicyHandle.java

@@ -0,0 +1,215 @@
+/*
+ * 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.dcerpc;
+
+/**
+ * Policy Handle Class
+ */
+public class PolicyHandle
+{
+
+    // Length of a policy handle
+
+    public static final int POLICY_HANDLE_SIZE = 20;
+
+    // Policy handle bytes
+
+    private byte[] m_handle;
+
+    // Handle name
+
+    private String m_name;
+
+    /**
+     * Default constructor
+     */
+    public PolicyHandle()
+    {
+        setName("");
+    }
+
+    /**
+     * Class constructor
+     * 
+     * @param buf byte[]
+     * @param off int
+     */
+    public PolicyHandle(byte[] buf, int off)
+    {
+        initialize(buf, off);
+        setName("");
+    }
+
+    /**
+     * Class constructor
+     * 
+     * @param name String
+     * @param buf byte[]
+     * @param off int
+     */
+    public PolicyHandle(String name, byte[] buf, int off)
+    {
+        initialize(buf, off);
+        setName(name);
+    }
+
+    /**
+     * Determine if the policy handle is valid
+     * 
+     * @return boolean
+     */
+    public final boolean isValid()
+    {
+        return m_handle != null ? true : false;
+    }
+
+    /**
+     * Return the policy handle bytes
+     * 
+     * @return byte[]
+     */
+    public final byte[] getBytes()
+    {
+        return m_handle;
+    }
+
+    /**
+     * Return the policy handle name
+     * 
+     * @return String
+     */
+    public final String getName()
+    {
+        return m_name;
+    }
+
+    /**
+     * Set the policy handle name
+     * 
+     * @param name String
+     */
+    public final void setName(String name)
+    {
+        m_name = name;
+    }
+
+    /**
+     * Store the policy handle into the specified buffer
+     * 
+     * @param buf byte[]
+     * @param off int
+     * @return int
+     */
+    public final int storePolicyHandle(byte[] buf, int off)
+    {
+
+        // Check if the policy handle is valid
+
+        if (isValid() == false)
+            return -1;
+
+        // Copy the policy handle bytes to the user buffer
+
+        for (int i = 0; i < POLICY_HANDLE_SIZE; i++)
+            buf[off + i] = m_handle[i];
+
+        // Return the new buffer position
+
+        return off + POLICY_HANDLE_SIZE;
+    }
+
+    /**
+     * Load the policy handle from the specified buffer
+     * 
+     * @param buf byte[]
+     * @param off int
+     * @return int
+     */
+    public final int loadPolicyHandle(byte[] buf, int off)
+    {
+
+        // Load the policy handle from the buffer
+
+        initialize(buf, off);
+        return off + POLICY_HANDLE_SIZE;
+    }
+
+    /**
+     * Clear the handle
+     */
+    protected final void clearHandle()
+    {
+        m_handle = null;
+    }
+
+    /**
+     * Initialize the policy handle
+     * 
+     * @param buf byte[]
+     * @param off int
+     */
+    private final void initialize(byte[] buf, int off)
+    {
+
+        // Copy the policy handle bytes
+
+        if ((off + POLICY_HANDLE_SIZE) <= buf.length)
+        {
+
+            // Allocate the policy handle buffer
+
+            m_handle = new byte[POLICY_HANDLE_SIZE];
+
+            // Copy the policy handle
+
+            for (int i = 0; i < POLICY_HANDLE_SIZE; i++)
+                m_handle[i] = buf[off + i];
+        }
+    }
+
+    /**
+     * Return the policy handle as a string
+     * 
+     * @return String
+     */
+    public String toString()
+    {
+        StringBuffer str = new StringBuffer();
+
+        str.append("[");
+
+        if (getName() != null)
+            str.append(getName());
+        str.append(":");
+
+        if (isValid())
+        {
+            for (int i = 0; i < POLICY_HANDLE_SIZE; i++)
+            {
+                int val = (int) (m_handle[i] & 0xFF);
+                if (val <= 16)
+                    str.append("0");
+                str.append(Integer.toHexString(val).toUpperCase());
+                str.append("-");
+            }
+            str.setLength(str.length() - 1);
+            str.append("]");
+        }
+
+        return str.toString();
+    }
+}