gwt.material.design.client.base.FloatRenderer.java Source code

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Here is the source code for gwt.material.design.client.base.FloatRenderer.java

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/*
 * 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 gwt.material.design.client.base;

/*
 * #%L
 * GwtMaterial
 * %%
 * Copyright (C) 2015 GwtMaterialDesign
 * %%
 * 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.
 * #L%
 */

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 FloatRenderer extends AbstractRenderer<Float> {
    private static FloatRenderer INSTANCE;

    /**
     * Returns the instance.
     */
    public static Renderer<Float> instance() {
        if (INSTANCE == null) {
            INSTANCE = new FloatRenderer();
        }
        return INSTANCE;
    }

    protected FloatRenderer() {
    }

    public String render(Float object) {
        if (object == null) {
            return "";
        }

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