/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 org.apache.wicket.util.convert.converter; import java.math.BigDecimal; import java.util.Locale; import org.apache.wicket.util.convert.IConverter; /** * Converts from Object to Float. * * @author Eelco Hillenius * @author Jonathan Locke */ public class FloatConverter extends AbstractDecimalConverter<Float> { private static final long serialVersionUID = 1L; // Float.MIN is the smallest nonzero positive number, not the largest // negative number private static final BigDecimal MIN_VALUE = new BigDecimal(-Float.MAX_VALUE); private static final BigDecimal MAX_VALUE = new BigDecimal(Float.MAX_VALUE); /** * The singleton instance for a float converter */ public static final IConverter<Float> INSTANCE = new FloatConverter(); /** * @see org.apache.wicket.util.convert.IConverter#convertToObject(java.lang.String,Locale) */ @Override public Float convertToObject(final String value, final Locale locale) { final BigDecimal number = parse(value, MIN_VALUE, MAX_VALUE, locale); if (number == null) { return null; } return number.floatValue(); } /** * @see org.apache.wicket.util.convert.converter.AbstractConverter#getTargetType() */ @Override protected Class<Float> getTargetType() { return Float.class; } }