/**   
 * License Agreement for OpenSearchServer
 *
 * Copyright (C) 2012 Emmanuel Keller / Jaeksoft
 * 
 * http://www.open-search-server.com
 * 
 * This file is part of OpenSearchServer.
 *
 * OpenSearchServer is free software: you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 * OpenSearchServer 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with OpenSearchServer. 
 *  If not, see <http://www.gnu.org/licenses/>.
 **/

package com.jaeksoft.searchlib.render;

import java.io.PrintWriter;
import java.text.DecimalFormat;

import com.jaeksoft.searchlib.request.AbstractRequest;
import com.jaeksoft.searchlib.result.AbstractResult;
import com.jaeksoft.searchlib.util.FormatUtils.ThreadSafeDecimalFormat;
import com.jaeksoft.searchlib.util.Timer;

public abstract class AbstractRender<T1 extends AbstractRequest, T2 extends AbstractResult<T1>>
		implements Render {

	final protected T2 result;
	final protected T1 request;
	private static ThreadSafeDecimalFormat scoreFormat = null;
	final protected Timer renderingTimer;

	protected AbstractRender(T2 result) {
		this.result = result;
		this.request = result.getRequest();
		if (scoreFormat == null) {
			DecimalFormat df = new DecimalFormat();
			df.setGroupingUsed(false);
			scoreFormat = new ThreadSafeDecimalFormat(df);
		}
		renderingTimer = new Timer(result.getTimer(), "Rendering");

	}

	final protected void writeScore(PrintWriter writer, double score) {
		writer.print(scoreFormat.format(score));
	}

}

@@ -954,16 +954,55 @@
 lFormat;
+%0Aimport java.text.DecimalFormatSymbols;
 %0A%0Aimport
@@ -1644,32 +1644,146 @@
 rmat
- df = new DecimalFormat(
+Symbols dfs = new DecimalFormatSymbols();%0A%09%09%09dfs.setNaN(%220%22);%0A%09%09%09DecimalFormat df = new DecimalFormat();%0A%09%09%09df.setDecimalFormatSymbols(dfs
 );%0A%09
@@ -1989,14 +1989,13 @@
 er, 
-double
+float
  sco
@@ -2046,11 +2046,10 @@
 e));%0A%09%7D%0A
-%0A
 %7D%0A

Replace NaN value by Zero in XML results