fr.putnami.pwt.core.widget.client.helper.BigIntegerRenderer.java Source code

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Here is the source code for fr.putnami.pwt.core.widget.client.helper.BigIntegerRenderer.java

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/**
 * This file is part of pwt.
 *
 * pwt is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser
 * General Public License as published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * pwt 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.
 *
 * You should have received a copy of the GNU Lesser General Public License along with pwt. If not,
 * see <http://www.gnu.org/licenses/>.
 */
package fr.putnami.pwt.core.widget.client.helper;

import com.google.gwt.i18n.client.NumberFormat;
import com.google.gwt.text.shared.AbstractRenderer;

import java.math.BigInteger;

public final class BigIntegerRenderer extends AbstractRenderer<BigInteger> {
    private static BigIntegerRenderer instance;

    private BigIntegerRenderer() {
    }

    @Override
    public String render(BigInteger object) {
        if (object == null) {
            return "";
        }

        return NumberFormat.getDecimalFormat().format(object);
    }

    public static BigIntegerRenderer get() {
        if (BigIntegerRenderer.instance == null) {
            BigIntegerRenderer.instance = new BigIntegerRenderer();
        }
        return BigIntegerRenderer.instance;
    }

}