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package com.sun.enterprise.management.offline;

import java.util.Set;

import javax.management.AttributeNotFoundException;
import javax.management.InvalidAttributeValueException;

import com.sun.enterprise.config.ConfigContext;
import com.sun.enterprise.config.ConfigBean;
import com.sun.enterprise.config.ConfigException;


final class SecurityMapConfigBeanHelper extends StdConfigBeanHelper
{
    static private final String PRINCIPAL_ATTR   = "Principal";
    static private final String USER_GROUP_ATTR   = "UserGroup";
    
        public
    SecurityMapConfigBeanHelper(
        final ConfigContext configContext,
        final ConfigBean    configBean )
    {
        super( configContext, configBean );
        
    }
    
    	public Object
    getAttribute( final String attrName )
    	throws AttributeNotFoundException
    {
        Object  result  = null;
        
        if ( PRINCIPAL_ATTR.equals( attrName ) )
        {
            result  = getPrincipalNames();
        }
        else if ( USER_GROUP_ATTR.equals( attrName ) )
        {
            result  = getUserGroupNames();
        }
        else
        {
            result  = super.getAttribute( attrName );
	    }
	    return result;
    }
    
        protected Class
    getAttributeClass( final String attrName )
    {
        Class  result  = null;
        
        if ( PRINCIPAL_ATTR.equals( attrName ) ||
            USER_GROUP_ATTR.equals( attrName ) )
        {
            result  = String[].class;
        }
        else
        {
            result  = super.getAttributeClass( attrName );
	    }
	    return result;
    }
    
        protected Set<String>
    _getAttributeNames()
    {
        final Set<String>   attrNames = super._getAttributeNames();
        
        attrNames.add( PRINCIPAL_ATTR );
        attrNames.add( USER_GROUP_ATTR );
        
        return attrNames;
    }
    
        public String[]
    getPrincipalNames()
    {
        final String    value = (String)getValue( PRINCIPAL_ATTR );
        
        // presumably spaces are not allowed in a JVM option
        final String[]  result  = (value == null) ? EMPTY_STRING_ARRAY : value.split( " " );
        
        return result;
    }
    
        public String[]
    getUserGroupNames()
    {
        final String    value = (String)getValue( USER_GROUP_ATTR );
        
        // presumably spaces are not allowed in a JVM option
        final String[]  result  = (value == null) ? EMPTY_STRING_ARRAY : value.split( " " );
        
        return result;
    }
}