| /* |
| * 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.openjpa.lib.conf; |
| |
| import org.apache.commons.lang.StringUtils; |
| |
| /** |
| * A double {@link Value}. |
| * |
| * @author Marc Prud'hommeaux |
| */ |
| public class DoubleValue extends Value { |
| |
| private double value; |
| |
| public DoubleValue(String prop) { |
| super(prop); |
| } |
| |
| public Class<Double> getValueType() { |
| return double.class; |
| } |
| |
| /** |
| * The internal value. |
| */ |
| public void set(double value) { |
| assertChangeable(); |
| double oldValue = this.value; |
| this.value = value; |
| if (oldValue != value) |
| valueChanged(); |
| } |
| |
| /** |
| * The internal value. |
| */ |
| public Double get() { |
| return value; |
| } |
| |
| protected String getInternalString() { |
| return String.valueOf(value); |
| } |
| |
| protected void setInternalString(String val) { |
| if (StringUtils.isEmpty(val)) |
| set(0D); |
| else |
| set(Double.parseDouble(val)); |
| } |
| |
| protected void setInternalObject(Object obj) { |
| if (obj == null) |
| set(0D); |
| else |
| set(((Number) obj).doubleValue()); |
| } |
| } |