Added some syntax checker for teh Bootparameter NIS AT; Updated the SCM part in pom.xml
diff --git a/ldap/model/src/main/java/org/apache/directory/api/ldap/model/schema/syntaxCheckers/BootParameterSyntaxChecker.java b/ldap/model/src/main/java/org/apache/directory/api/ldap/model/schema/syntaxCheckers/BootParameterSyntaxChecker.java
new file mode 100644
index 0000000..ab956ae
--- /dev/null
+++ b/ldap/model/src/main/java/org/apache/directory/api/ldap/model/schema/syntaxCheckers/BootParameterSyntaxChecker.java
@@ -0,0 +1,295 @@
+/*
+ *  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.api.ldap.model.schema.syntaxCheckers;
+
+
+import org.apache.directory.api.i18n.I18n;
+import org.apache.directory.api.ldap.model.constants.SchemaConstants;
+import org.apache.directory.api.ldap.model.schema.SyntaxChecker;
+import org.apache.directory.api.util.Strings;
+
+
+/**
+ * A SyntaxChecker which verifies that a value is a BootParameter according to 
+ * RFC 2307 :
+ * <pre>
+ * bootparameter     = key "=" server ":" path
+ *      key               = keystring
+ *      server            = keystring
+ *      path              = keystring
+ * </pre>
+ * 
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
+@SuppressWarnings("serial")
+public final class BootParameterSyntaxChecker extends SyntaxChecker
+{
+    /**
+     * A static instance of BootParameterSyntaxChecker
+     */
+    public static final BootParameterSyntaxChecker INSTANCE = 
+        new BootParameterSyntaxChecker( SchemaConstants.BOOT_PARAMETER_SYNTAX );
+    
+    /**
+     * A static Builder for this class
+     */
+    public static final class Builder extends SCBuilder<BootParameterSyntaxChecker>
+    {
+        /**
+         * The Builder constructor
+         */
+        private Builder()
+        {
+            super( SchemaConstants.BOOT_PARAMETER_SYNTAX );
+        }
+        
+        
+        /**
+         * Create a new instance of BootParameterSyntaxChecker
+         * @return A new instance of BootParameterSyntaxChecker
+         */
+        @Override
+        public BootParameterSyntaxChecker build()
+        {
+            return new BootParameterSyntaxChecker( oid );
+        }
+    }
+
+    
+    /**
+     * Creates a new instance of BootParameterSyntaxChecker.
+     * 
+     * @param oid The OID to use for this SyntaxChecker
+     */
+    private BootParameterSyntaxChecker( String oid )
+    {
+        super( oid );
+    }
+
+    
+    /**
+     * @return An instance of the Builder for this class
+     */
+    public static Builder builder()
+    {
+        return new Builder();
+    }
+    
+    
+    private int parseKeyString( String strValue, int pos, char limit )
+    {
+        try 
+        { 
+            char c = strValue.charAt( pos );
+            
+            // The end of the keyString
+            if ( c == limit )
+            {
+                return pos;
+            }
+            
+            // We must have a first alphabetic char
+            if ( Character.isUpperCase( c ) || Character.isLowerCase( c ) )
+            {
+                pos++;
+            }
+            else
+            {
+                return -1;
+            }
+            
+            c = strValue.charAt( pos );
+            
+            while ( c != limit )
+            {
+                if ( Character.isUpperCase( c ) || Character.isLowerCase( c ) || Character.isDigit( c )
+                    || ( c == '-' ) || ( c == ';' ) || ( c == '_' ) )
+                {
+                    pos++;
+                }
+                else
+                {
+                    return -1;
+                }
+
+                c = strValue.charAt( pos );
+            }
+            
+            return pos;
+        }
+        catch ( IndexOutOfBoundsException ioobe )
+        {
+            return -1;
+        }
+    }
+    
+    
+    private int parseKeyString( String strValue, int pos )
+    {
+        try 
+        { 
+            char c = strValue.charAt( pos );
+            
+            // We must have a first alphabetic char
+            if ( Character.isUpperCase( c ) || Character.isLowerCase( c ) )
+            {
+                pos++;
+            }
+            else
+            {
+                return -1;
+            }
+            
+            while ( pos < strValue.length() )
+            {
+                c = strValue.charAt( pos );
+
+                if ( Character.isUpperCase( c ) || Character.isLowerCase( c ) || Character.isDigit( c )
+                    || ( c == '-' ) || ( c == ';' ) || ( c == '_' ) )
+                {
+                    pos++;
+                }
+                else
+                {
+                    return -1;
+                }
+            }
+            
+            return pos;
+        }
+        catch ( IndexOutOfBoundsException ioobe )
+        {
+            return -1;
+        }
+    }
+    
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public boolean isValidSyntax( Object value )
+    {
+        String strValue;
+
+        if ( value == null )
+        {
+            if ( LOG.isDebugEnabled() )
+            {
+                LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, "null" ) );
+            }
+            
+            return false;
+        }
+
+        if ( value instanceof String )
+        {
+            strValue = ( String ) value;
+        }
+        else if ( value instanceof byte[] )
+        {
+            strValue = Strings.utf8ToString( ( byte[] ) value );
+        }
+        else
+        {
+            strValue = value.toString();
+        }
+
+        // The  BootParameter must at least contain a '=' and a ':', plus 3 keyStrings
+        if ( strValue.length() < 5 )
+        {
+            if ( LOG.isDebugEnabled() )
+            {
+                LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, value ) );
+            }
+            
+            return false;
+        }
+
+        // The key
+        int pos = parseKeyString( strValue, 0, '=' );
+        
+        if ( pos == -1 )
+        {
+            if ( LOG.isDebugEnabled() )
+            {
+                LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, value ) );
+            }
+            
+            return false;
+        }
+        
+        if ( strValue.charAt( pos ) != '=' )
+        {
+            if ( LOG.isDebugEnabled() )
+            {
+                LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, value ) );
+            }
+            
+            return false;
+        }
+        else
+        {
+            pos++;
+        }
+
+        // The server
+        pos = parseKeyString( strValue, pos, ':' );
+        
+        if ( pos == -1 )
+        {
+            if ( LOG.isDebugEnabled() )
+            {
+                LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, value ) );
+            }
+            
+            return false;
+        }
+        
+        if ( strValue.charAt( pos ) != ':' )
+        {
+            if ( LOG.isDebugEnabled() )
+            {
+                LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, value ) );
+            }
+            
+            return false;
+        }
+        else
+        {
+            pos++;
+        }
+
+        // The path
+        pos = parseKeyString( strValue, pos );
+        
+        if ( pos == -1 )
+        {
+            if ( LOG.isDebugEnabled() )
+            {
+                LOG.debug( I18n.err( I18n.ERR_13210_SYNTAX_INVALID, value ) );
+            }
+            
+            return false;
+        }
+        
+        return true;
+    }
+}
diff --git a/ldap/model/src/test/java/org/apache/directory/api/ldap/model/schema/syntaxes/BootParameterSyntaxCheckerTest.java b/ldap/model/src/test/java/org/apache/directory/api/ldap/model/schema/syntaxes/BootParameterSyntaxCheckerTest.java
new file mode 100644
index 0000000..2a556f7
--- /dev/null
+++ b/ldap/model/src/test/java/org/apache/directory/api/ldap/model/schema/syntaxes/BootParameterSyntaxCheckerTest.java
@@ -0,0 +1,75 @@
+/*
+ *  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.api.ldap.model.schema.syntaxes;
+
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import org.apache.directory.api.ldap.model.schema.syntaxCheckers.BootParameterSyntaxChecker;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.parallel.Execution;
+import org.junit.jupiter.api.parallel.ExecutionMode;
+
+/**
+ * Test cases for BootParameterSyntaxChecker.
+ *
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
+@Execution(ExecutionMode.CONCURRENT)
+public class BootParameterSyntaxCheckerTest
+{
+    BootParameterSyntaxChecker checker = BootParameterSyntaxChecker.INSTANCE;
+
+
+    @Test
+    public void testNullString()
+    {
+        assertFalse( checker.isValidSyntax( null ) );
+    }
+
+
+    @Test
+    public void testEmptyString()
+    {
+        assertFalse( checker.isValidSyntax( "" ) );
+    }
+
+
+    @Test
+    public void testWrongCase()
+    {
+        assertFalse( checker.isValidSyntax( "a=b" ) );
+        assertFalse( checker.isValidSyntax( "a" ) );
+        assertFalse( checker.isValidSyntax( "a = b : c" ) );
+        assertFalse( checker.isValidSyntax( "a=b:" ) );
+        assertFalse( checker.isValidSyntax( "#=b:c" ) );
+        assertFalse( checker.isValidSyntax( "a=:c" ) );
+        assertFalse( checker.isValidSyntax( "1=b:c" ) );
+    }
+
+
+    @Test
+    public void testCorrectCase()
+    {
+        assertTrue( checker.isValidSyntax( "a=b:c" ) );
+        assertTrue( checker.isValidSyntax( "a2c=d_f:gHi" ) );
+    }
+}
diff --git a/pom.xml b/pom.xml
index cf2409c..3628834 100644
--- a/pom.xml
+++ b/pom.xml
@@ -643,8 +643,8 @@
   <scm>
     <connection>scm:git:https://gitbox.apache.org/repos/asf/directory-ldap-api.git</connection>
     <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/directory-ldap-api.git</developerConnection>
-    <url>https://gitbox.apache.org/repos/asf?p=directory-ldap-api.git;a=shortlog;h=refs/remotes/tags/${project.scm.tag}</url>
-    <tag>HEAD</tag>
+    <url>https://github.com/apache/directory-ldap-api/tree/${project.scm.tag}</url>
+    <tag>master</tag>
   </scm>
 
   <reporting>