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package com.sun.enterprise.admin.mbeans;
import com.sun.enterprise.admin.dottedname.*;
import javax.management.MBeanServerConnection;
import javax.management.Attribute;
import javax.management.ObjectName;
import java.util.Arrays;
/**
* This was originally an inner class within DottedNameGetSetMBeanImpl. For
* extensibility reasons this was moved out as a separate class.
* @author <a href=mailto:lloyd.chambers@sun.com>Lloyd Chambers</a>
* @author <a href=mailto:shreedhar.ganapathy@sun.com>Shreedhar Ganapathy</a>
* Date: Jun 9, 2004
* @version $Revision: 1.4 $
*/
/*
Implementing subclass for Config dotted names
*/
public class DottedNameGetSetForConfig extends DottedNameGetSetMBeanBase
{
final DottedNameResolverForAliases mResolver;
final DottedNameQuery mQuery;
public DottedNameGetSetForConfig(
final MBeanServerConnection conn,
final DottedNameRegistry registry,
final DottedNameServerInfo serverInfo )
{
super( conn, registry, serverInfo );
// DottedNameResolver for regular dotted names needs to account for aliases.
mResolver = new DottedNameResolverForAliases( registry, serverInfo );
mQuery = new DottedNameAliasedQuery( registry, serverInfo );
}
protected DottedNameResolver
getResolver( )
{
return( mResolver );
}
public Object [] dottedNameSet( final String [] nameValuePairs )
{
final int numItems = nameValuePairs.length;
// make a new array of sorted input pairs
// do this first, because resulting output may contain a mix of type--
// Attribute or Exception making it hard to sort properly.
final String [] sortedPairs = new String [ numItems ];
for( int i = 0; i < numItems; ++i )
{
sortedPairs[ i ] = nameValuePairs[ i ];
}
Arrays.sort( sortedPairs );
final Object [] results = new Object [ sortedPairs.length ];
for( int i = 0; i < numItems; ++i )
{
results[ i ] = dottedNameSet( sortedPairs[ i ] );
}
return( results );
}
/*
Return either an Attribute or a Throwable to indicate status.
*/
protected Object dottedNameSet( final String nameValuePair )
{
Object result = null;
try
{
result = doSet( nameValuePair );
}
catch( Exception e )
{
// the result will be the exception itself
logException( e );
result = e;
}
assert( result != null );
return( result );
}
public Attribute
doSet( String pair )
throws Exception
{
final int delimIndex = pair.indexOf( ASSIGNMENT_DELIM );
final boolean delete = delimIndex < 0;
// if there is no value delimiter ('='), this means to delete the property
// this is only supported for properties however
final String dottedNameString = delete ? pair : pair.substring( 0, delimIndex );
final String valueString = delete ? null : pair.substring( delimIndex + 1, pair.length() );
final Attribute attr = doSet( dottedNameString, valueString );
return( attr );
}
public Attribute
doSet( String dottedNameString, String value )
throws Exception
{
// NOTE: this name includes the value-name
final DottedName dn = getDottedName( dottedNameString );
if ( dn.isWildcardName() )
{
final String msg = DottedNameStrings.getString(
DottedNameStrings.WILDCARD_DISALLOWED_FOR_SET_KEY,
dottedNameString );
throw new IllegalArgumentException( msg );
}
ObjectName target = null;
final DottedNameForValue dnv = new DottedNameForValue( dn );
if ( isDottedNameForServerName( dnv.getPrefix(), dnv.getValueName() ) )
{
// YUCK special case "server.name" or otherwise the attribute will
// be set on the config
target = getRegistry().dottedNameToObjectName( dnv.getPrefix().toString() );
}
else
{
target = getTarget( dnv, getResolver( ) );
}
final Attribute inAttr = new Attribute( dnv.getValueName(), value );
Attribute resultAttr = mValueAccessor.setValue( target, inAttr );
// special meaning of result with null value is that it has been deleted (yuck)
// in this case, it is not added to the output list
if ( resultAttr != null && resultAttr.getValue() != null )
{
final String fullName = dnv.getPrefix() + "." + inAttr.getName();
resultAttr = new Attribute( fullName, resultAttr.getValue() );
}
return( resultAttr );
}
protected DottedNameQuery
createQuery( )
{
return( mQuery );
}
boolean
isServerName( String name )
throws DottedNameServerInfo.UnavailableException
{
boolean isServerName = false;
isServerName = mServerInfo.getServerNames().contains( name );
return( isServerName );
}
protected boolean
isDottedNameForServerName( final DottedName prefix, final String valueName )
throws DottedNameServerInfo.UnavailableException
{
return( valueName.equals( "name" ) &&
isServerName( prefix.getScope() ) && // these tests make sure it's just "<server>.name"
prefix.getParts().size() == 0 );
}
/*
Create an Attribute for a given prefix, value name and associated value.
We override for special cases that aliasing doesn't work correctly;
namely when names alias into config.
Aliasing can't work properly in this case because aliasing works on prefixes;
the attributes are determine only after an alias has been resolved.
*/
protected Attribute
formAttribute( final DottedName prefix, final String valueName, Object value )
{
// default behavior
Attribute attr = super.formAttribute( prefix, valueName, value );
try
{
// Is it a special case for server.xxx which is into 'server' itself?
if ( isDottedNameForServerName( prefix, valueName ) )
{
// <server>.name value has been set to <config>.name value
// skip the aliasing and get the name from the server object
final ObjectName objectName = getRegistry().dottedNameToObjectName( prefix.getScope() );
final Attribute newAttr = mValueAccessor.getValue( objectName, valueName );
assert( newAttr != null );
attr = super.formAttribute( prefix, valueName, newAttr.getValue() );
}
}
catch( Exception e)
{
logException( e );
}
return( attr );
}
}
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