com.google.gwt.text.client.DoubleRenderer Maven / Gradle / Ivy
/*
* Copyright 2010 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.text.client;
import com.google.gwt.i18n.client.NumberFormat;
import com.google.gwt.text.shared.AbstractRenderer;
import com.google.gwt.text.shared.Renderer;
/**
* A localized renderer based on {@link NumberFormat#getDecimalFormat}.
*/
public class DoubleRenderer extends AbstractRenderer {
private static DoubleRenderer INSTANCE;
/**
* Returns the instance.
*/
public static Renderer instance() {
if (INSTANCE == null) {
INSTANCE = new DoubleRenderer();
}
return INSTANCE;
}
protected DoubleRenderer() {
}
public String render(Double object) {
if (object == null) {
return "";
}
return NumberFormat.getDecimalFormat().format(object);
}
}