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/*
* $Header: /cvs/glassfish/admin/mbeans/src/java/com/sun/enterprise/admin/dottedname/valueaccessor/AttributeValueAccessor.java,v 1.4 2007/05/05 05:24:07 tcfujii Exp $
* $Revision: 1.4 $
* $Date: 2007/05/05 05:24:07 $
*/
package com.sun.enterprise.admin.dottedname.valueaccessor;
import java.util.Set;
import java.util.HashSet;
import javax.management.MBeanServerConnection;
import javax.management.IntrospectionException;
import javax.management.ReflectionException;
import javax.management.InstanceNotFoundException;
import javax.management.AttributeNotFoundException;
import javax.management.InvalidAttributeValueException;
import javax.management.MBeanException;
import javax.management.AttributeList;
import javax.management.MBeanInfo;
import javax.management.MBeanAttributeInfo;
import javax.management.ObjectName;
import javax.management.Attribute;
import com.sun.enterprise.admin.dottedname.DottedNameStrings;
import com.sun.enterprise.admin.util.ClassUtil;
public class AttributeValueAccessor extends ValueAccessorBase
{
public
AttributeValueAccessor( final MBeanServerConnection conn )
{
super( conn );
}
/*
Return a Set of String of the names of all attributes within the MBean
*/
public static Set
getAllAttributeNames( final MBeanServerConnection conn, final ObjectName objectName )
throws java.io.IOException, ReflectionException, InstanceNotFoundException, IntrospectionException
{
final Set allNames = new HashSet();
// add the Attribute names
final MBeanInfo info = conn.getMBeanInfo( objectName );
final MBeanAttributeInfo [] attrsInfo = info.getAttributes();
if ( attrsInfo != null )
{
for( int i = 0; i < attrsInfo.length; ++i )
{
allNames.add( attrsInfo[ i ].getName() );
}
}
return( allNames );
}
public Attribute
getValue( final ObjectName objectName, final String valueName )
throws MBeanException, AttributeNotFoundException, InstanceNotFoundException,
ReflectionException, java.io.IOException
{
final Object value = getMBS().getAttribute( objectName, valueName);
return( new Attribute( valueName, value ) );
}
Class
getAttributeClass( final ObjectName objectName, final String attributeName )
throws IntrospectionException, java.io.IOException, ReflectionException,
InstanceNotFoundException, ClassNotFoundException
{
final MBeanInfo info = getMBS().getMBeanInfo( objectName );
final MBeanAttributeInfo [] attrsInfo = info.getAttributes();
Class theClass = null;
for( int i = 0; i < attrsInfo.length; ++i )
{
final String testName = attrsInfo[ i ].getName();
if ( testName.equals( attributeName ) )
{
theClass = ClassUtil.getClassFromName( attrsInfo[ i ].getType() );
break;
}
}
return( theClass );
}
public Attribute
setValue( final ObjectName objectName, final Attribute attr )
throws Exception
{
if ( attr.getValue() == null )
{
final String msg = DottedNameStrings.getString(
DottedNameStrings.ILLEGAL_TO_SET_NULL_KEY,
attr.getName( ) );
throw new IllegalArgumentException( msg );
}
Attribute actualAttr = null;
Object value = attr.getValue();
if ( value instanceof String )
{
final Class attrClass = getAttributeClass( objectName, attr.getName() );
if ( attrClass == null )
{
final String msg = DottedNameStrings.getString(
DottedNameStrings.ATTRIBUTE_NOT_FOUND_KEY,
attr.getName( ) );
throw new AttributeNotFoundException( attr.getName() );
}
value = coerceToClass( attrClass, (String)value );
actualAttr = new Attribute( attr.getName(), value );
}
else
{
// if not a String, then pass on through
actualAttr = attr;
}
getMBS().setAttribute( objectName, actualAttr);
return( actualAttr );
}
}
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