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/*
 *  soapUI, copyright (C) 2004-2011 smartbear.com 
 *
 *  soapUI is free software; you can redistribute it and/or modify it under the 
 *  terms of version 2.1 of the GNU Lesser General Public License as published by 
 *  the Free Software Foundation.
 *
 *  soapUI is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without 
 *  even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
 *  See the GNU Lesser General Public License for more details at gnu.org.
 */

package com.eviware.soapui.model.support;

import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Arrays;

import com.eviware.soapui.impl.wsdl.MutableTestPropertyHolder;
import com.eviware.soapui.model.TestPropertyHolder;
import com.eviware.soapui.model.testsuite.TestProperty;

public class TestPropertyUtils
{
	private static boolean ascending;

	public static int saveTo( TestPropertyHolder propertyHolder, String fileName ) throws IOException
	{
		PrintWriter writer = new PrintWriter( new FileWriter( fileName ) );

		for( TestProperty prop : propertyHolder.getPropertyList() )
		{
			writer.print( prop.getName() );
			writer.print( '=' );
			String value = prop.getValue();
			if( value == null )
				value = "";

			String[] lines = value.split( "\n" );
			for( int c = 0; c < lines.length; c++ )
			{
				if( c > 0 )
					writer.println( "\\" );
				writer.print( lines[c] );
			}

			writer.println();
		}

		writer.close();
		return propertyHolder.getPropertyCount();
	}

	public synchronized static void sortProperties( MutableTestPropertyHolder holder )
	{
		ascending = false;

		String[] names = holder.getPropertyNames();

		quicksort( holder, 0, holder.getPropertyCount() - 1 );
		if( Arrays.equals( names, holder.getPropertyNames() ) )
		{
			ascending = true;
			quicksort( holder, 0, holder.getPropertyCount() - 1 );
		}
	}

	private static void quicksort( MutableTestPropertyHolder array, int lo, int hi )
	{
		if( hi > lo )
		{
			int partitionPivotIndex = ( int )( Math.random() * ( hi - lo ) + lo );
			int newPivotIndex = partition( array, lo, hi, partitionPivotIndex );
			quicksort( array, lo, newPivotIndex - 1 );
			quicksort( array, newPivotIndex + 1, hi );
		}
		// return (T[]) array;
	}

	private static int partition( MutableTestPropertyHolder array, int lo, int hi, int pivotIndex )
	{
		TestProperty pivotValue = array.getPropertyAt( pivotIndex );

		swap( array, pivotIndex, hi ); // send to the back

		int index = lo;

		for( int i = lo; i < hi; i++ )
		{
			if( ascending )
			{
				if( ( array.getPropertyAt( i ).getName().toUpperCase().compareTo( pivotValue.getName().toUpperCase() ) >= 0 ) )
				{
					swap( array, i, index );
					index++ ;
				}
			}
			else
			{
				if( ( array.getPropertyAt( i ).getName().toUpperCase().compareTo( pivotValue.getName().toUpperCase() ) <= 0 ) )
				{
					swap( array, i, index );
					index++ ;
				}
			}
		}

		swap( array, hi, index );

		return index;
	}

	private static void swap( MutableTestPropertyHolder array, int i, int j )
	{
		String prop1 = array.getPropertyAt( i ).getName();
		String prop2 = array.getPropertyAt( j ).getName();

		array.moveProperty( prop1, j );
		array.moveProperty( prop2, i );

		//
		// T temp = array[i];
		// array[i] = array[j];
		// array[j] = temp;
	}
}