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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
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 * exception as provided by Oracle in the GPL Version 2 section of the License
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 *
 * Modifications:
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 */

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

import java.util.Arrays;
import java.util.Iterator;

/**
	Stringifies an array, using an optional array element Stringifier
 */
 
public final class ArrayStringifier implements Stringifier
{
	final String			mDelim;
	final Stringifier		mElementStringifier;
	boolean					mAddBraces;
	
	static final char	LEFT_BRACE	= '{';
	static final char	RIGHT_BRACE	= '}';
	static final String	DEFAULT_DELIM=", ";
	
		public 
	ArrayStringifier()
	{
		this( SmartStringifier.DEFAULT );
		mAddBraces	= false;
	}
		public 
	ArrayStringifier( boolean addBraces )
	{
		this( DEFAULT_DELIM, SmartStringifier.DEFAULT, addBraces );
	}
	
		public
	ArrayStringifier( String delim )
	{
		this( delim, false );
	}
	
		public
	ArrayStringifier( String delim, boolean addBraces)
	{
		this( delim, SmartStringifier.DEFAULT, addBraces );
	}
	
		public
	ArrayStringifier( Stringifier elementStringifier )
	{
		this( DEFAULT_DELIM, elementStringifier );
	}
	
		public
	ArrayStringifier( String delim, Stringifier elementStringifier )
	{
		this( delim, elementStringifier, false );
	}
	
		public
	ArrayStringifier( String delim, Stringifier elementStringifier, boolean addBraces)
	{
		mDelim				= delim;
		mElementStringifier	= elementStringifier;
		mAddBraces			= addBraces;
	}
	
		static String
	addBraces( boolean add, String s )
	{
		String	out	= s;
		if ( add )
		{
			out	= LEFT_BRACE + s + RIGHT_BRACE;
		}
		return( out );
	}
	
		public String
	stringify( Object o )
	{
		final String	s	= this.stringify( (Object [])o, mDelim, mElementStringifier );
		
		return( addBraces( mAddBraces, s ) );
	}
	
	/**
		Static variant when direct call will suffice.
	 */
		public static String
	stringify( Object [] o, String delim, Stringifier stringifier )
	{
		final Iterator	iter		= Arrays.asList( o ).iterator();
		final IteratorStringifier	iterStringifier	= new IteratorStringifier( delim, stringifier );
		
		final String	s	= iterStringifier.stringify( iter );
		return( s );
	}
	
	/**
		Static variant when direct call will suffice.
	 */
		public static String
	stringify( Object [] o, String delim )
	{
		return( stringify( o, delim, SmartStringifier.DEFAULT ) );
	}
	
	public final static ArrayStringifier DEFAULT = new ArrayStringifier( "," );
}