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From elecha...@apache.org
Subject svn commit: r487406 - /directory/trunks/shared/ldap/src/main/java/org/apache/directory/shared/ldap/schema/syntax/NameAndOptionalUIDSyntaxChecker.java
Date Fri, 15 Dec 2006 00:06:50 GMT
Author: elecharny
Date: Thu Dec 14 16:06:49 2006
New Revision: 487406

URL: http://svn.apache.org/viewvc?view=rev&rev=487406
Log:
Added the SyntaxChecker

Added:
    directory/trunks/shared/ldap/src/main/java/org/apache/directory/shared/ldap/schema/syntax/NameAndOptionalUIDSyntaxChecker.java

Added: directory/trunks/shared/ldap/src/main/java/org/apache/directory/shared/ldap/schema/syntax/NameAndOptionalUIDSyntaxChecker.java
URL: http://svn.apache.org/viewvc/directory/trunks/shared/ldap/src/main/java/org/apache/directory/shared/ldap/schema/syntax/NameAndOptionalUIDSyntaxChecker.java?view=auto&rev=487406
==============================================================================
--- directory/trunks/shared/ldap/src/main/java/org/apache/directory/shared/ldap/schema/syntax/NameAndOptionalUIDSyntaxChecker.java
(added)
+++ directory/trunks/shared/ldap/src/main/java/org/apache/directory/shared/ldap/schema/syntax/NameAndOptionalUIDSyntaxChecker.java
Thu Dec 14 16:06:49 2006
@@ -0,0 +1,148 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you under the Apache License, Version 2.0 (the
+ *  "License"); you may not use this file except in compliance
+ *  with the License.  You may obtain a copy of the License at
+ *  
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *  
+ *  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.apache.directory.shared.ldap.schema.syntax;
+
+
+import javax.naming.NamingException;
+
+
+import org.apache.directory.shared.ldap.exception.LdapInvalidAttributeValueException;
+import org.apache.directory.shared.ldap.message.ResultCodeEnum;
+import org.apache.directory.shared.ldap.name.LdapDN;
+import org.apache.directory.shared.ldap.util.StringTools;
+
+
+/**
+ * A SyntaxChecker which verifies that a value is a valid Name and Optional UID.
+ * 
+ * This element is a composition of two parts : a DN and an optional UID :
+ * NameAndOptionalUID = distinguishedName [ SHARP BitString ]
+ * 
+ * Both part already have their syntax checkers, so we will just call them
+ * after having splitted the element in two ( if necessary)
+ * 
+ * We just check that the DN is valid, we don't need to verify each of the RDN 
+ * syntax.
+ * 
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ * @version $Rev$
+ */
+public class NameAndOptionalUIDSyntaxChecker implements SyntaxChecker
+{
+    /** The Syntax OID, according RFC 4517, par. 3.3.21 */
+    public static final String DEFAULT_OID = "1.3.6.1.4.1.1466.115.121.1.34";
+    
+    /**
+     * 
+     * Creates a new instance of NameAndOptionalUIDSyntaxChecker.
+     *
+     */
+    public NameAndOptionalUIDSyntaxChecker()
+    {
+    }
+    
+    
+    /* (non-Javadoc)
+     * @see org.apache.directory.shared.ldap.schema.SyntaxChecker#assertSyntax(java.lang.Object)
+     */
+    public void assertSyntax( Object value ) throws NamingException
+    {
+        if ( ! isValidSyntax( value ) )
+        {
+            throw new LdapInvalidAttributeValueException( ResultCodeEnum.INVALID_ATTRIBUTE_SYNTAX
);
+        }
+    }
+
+
+    /* (non-Javadoc)
+     * @see org.apache.directory.shared.ldap.schema.SyntaxChecker#getSyntaxOid()
+     */
+    public String getSyntaxOid()
+    {
+        return DEFAULT_OID;
+    }
+
+
+    /* (non-Javadoc)
+     * @see org.apache.directory.shared.ldap.schema.SyntaxChecker#isValidSyntax(java.lang.Object)
+     */
+    public boolean isValidSyntax( Object value )
+    {
+        String strValue;
+
+        if ( value == null )
+        {
+            return false;
+        }
+        
+        if ( value instanceof String )
+        {
+            strValue = ( String ) value;
+        }
+        else if ( value instanceof byte[] )
+        {
+            strValue = StringTools.utf8ToString( ( byte[] ) value ); 
+        }
+        else
+        {
+            strValue = value.toString();
+        }
+
+        if ( strValue.length() == 0 )
+        {
+            return false;
+        }
+        
+        // Let's see if we have an UID part
+        int sharpPos = strValue.lastIndexOf( '#' );
+        
+        if ( sharpPos != -1 )
+        {
+            // This is an UID if the '#' is immediatly
+            // followed by a BitString, except if the '#' is
+            // on the last position
+            if ( BitStringSyntaxChecker.isValid( strValue.substring( sharpPos + 1 ) ) &&

+                 ( sharpPos < strValue.length() ) )
+            {
+                // Ok, we have a BitString, now check the DN,
+                // except if the '#' is in first position
+                if ( sharpPos > 0 )
+                {
+                    return LdapDN.isValid( strValue.substring( 0, sharpPos -1 ) );
+                }
+                else
+                {
+                    // The DN must not be null ?
+                    return false;
+                }
+            }
+            else
+            {
+                return LdapDN.isValid( strValue );
+            }
+        }
+        else
+        {
+            // No UID, the strValue is a DN
+            // Check that the value is a valid DN
+            return LdapDN.isValid( strValue );
+        }
+    }
+}



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