| /* |
| * 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.logging.log4j.jpa.converter; |
| |
| import javax.persistence.AttributeConverter; |
| import javax.persistence.Converter; |
| |
| import org.apache.logging.log4j.core.time.Instant; |
| import org.apache.logging.log4j.core.time.MutableInstant; |
| import org.apache.logging.log4j.util.Strings; |
| |
| /** |
| * A JPA 2.1 attribute converter for {@link Instant}s in {@link org.apache.logging.log4j.core.LogEvent}s. This |
| * converter is capable of converting both to and from {@link String}s. |
| */ |
| @Converter(autoApply = false) |
| public class InstantAttributeConverter implements AttributeConverter<Instant, String> { |
| |
| @Override |
| public String convertToDatabaseColumn(final Instant instant) { |
| if (instant == null) { |
| return null; |
| } |
| return instant.getEpochSecond() + "," + instant.getNanoOfSecond(); |
| } |
| |
| @Override |
| public Instant convertToEntityAttribute(final String s) { |
| if (Strings.isEmpty(s)) { |
| return null; |
| } |
| |
| int pos = s.indexOf(","); |
| long epochSecond = Long.parseLong(s.substring(0, pos)); |
| int nanos = Integer.parseInt(s.substring(pos + 1, s.length())); |
| |
| MutableInstant result = new MutableInstant(); |
| result.initFromEpochSecond(epochSecond, nanos); |
| return result; |
| } |
| } |