ReadWriteAttributeFilter.java

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package org.glassfish.admin.amx.util.jmx;

import javax.management.MBeanAttributeInfo;

/**
	This class contains various filters based on read/write status of
	an Attribute.
 */
public class ReadWriteAttributeFilter implements AttributeFilter
{
	protected		ReadWriteAttributeFilter( )	{}
	
	/**
	 */
		public boolean
	filterAttribute( final MBeanAttributeInfo info )
	{
		throw new RuntimeException( "Can't get here" );
	}
	
	public static final ReadWriteAttributeFilter	READ_ONLY_FILTER = new ReadWriteAttributeFilter( )
	{
		public boolean	filterAttribute( final MBeanAttributeInfo info )
		{
			return( info.isReadable() && ! info.isWritable() );
		}
	};
		
	public static final ReadWriteAttributeFilter	READABLE_FILTER =
		new ReadWriteAttributeFilter( )
	{
		public boolean	filterAttribute( final MBeanAttributeInfo info )
		{
			return( info.isReadable() );
		}
	};
		
	public static final ReadWriteAttributeFilter	WRITE_ONLY_FILTER =
		new ReadWriteAttributeFilter()
	{
		public boolean	filterAttribute( final MBeanAttributeInfo info )
		{
			return( info.isWritable() && ! info.isReadable() );
		}
	};
		
	public static final ReadWriteAttributeFilter	WRITEABLE_FILTER =
		new ReadWriteAttributeFilter()
	{
		public boolean	filterAttribute( final MBeanAttributeInfo info )
		{
			return( info.isWritable() );
		}
	};
		
	public static final ReadWriteAttributeFilter	READ_WRITE_FILTER =
		new ReadWriteAttributeFilter()
	{
		public boolean	filterAttribute( final MBeanAttributeInfo info )
		{
			return( info.isWritable() && info.isReadable() );
		}
	};
		
	public static final ReadWriteAttributeFilter	ALL_FILTER =
		new ReadWriteAttributeFilter()
	{
		public boolean	filterAttribute( final MBeanAttributeInfo info )
		{
			return( true );
		}
	};
}