| /* |
| * 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.jdo.tck.util; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.jdo.tck.pc.mylib.Point; |
| |
| import javax.jdo.AttributeConverter; |
| |
| /** |
| * AttributeConverter implementation mapping a Point instance to a string of the form x:y. |
| */ |
| public class PointToStringConverter implements AttributeConverter<Point, String> { |
| |
| private static int nrOfConvertToDatastoreCalls = 0; |
| private static int nrOfConvertToAttributeCalls = 0; |
| |
| // Character to separate x and y value of the Point instance. |
| private static final String SEPARATOR = ":"; |
| |
| private final Log logger = LogFactory.getFactory().getInstance("org.apache.jdo.tck"); |
| |
| /** |
| * Converts the given Point attribute value to its string representation in the datastore. |
| * @param attributeValue the attribute value of type Point to be converted |
| * @return the string representation of the Point instance |
| */ |
| @Override |
| public String convertToDatastore(Point attributeValue) { |
| nrOfConvertToDatastoreCalls++; |
| String datastoreValue = null; |
| if (attributeValue != null) { |
| datastoreValue = attributeValue.getX() + |
| SEPARATOR + |
| (attributeValue.getY() == null ? Integer.valueOf(0) : attributeValue.getY()); |
| } |
| if (logger.isDebugEnabled()) { |
| logger.debug("PointToStringConverter.convertToDatastore " + |
| "attributeValue=" + attributeValue + " datastoreValue=" + datastoreValue); |
| } |
| return datastoreValue; |
| } |
| |
| /** |
| * Converts the given string datastore value to its representation as a persistent attribute of type Point. |
| * @param datastoreValue the string value in the datastore |
| * @return the attribute value as Point instance |
| */ |
| @Override |
| public Point convertToAttribute(String datastoreValue) { |
| nrOfConvertToAttributeCalls++; |
| Point attributeValue = null; |
| if (datastoreValue != null) { |
| String[] parts = datastoreValue.split(SEPARATOR); |
| if (parts.length == 2) { |
| Integer x = Integer.valueOf(parts[0]); |
| Integer y = Integer.valueOf(parts[1]); |
| attributeValue = new Point(x == null ? 0 : x.intValue(), y); |
| } |
| } |
| if (logger.isDebugEnabled()) { |
| logger.debug("PointToStringConverter.convertToAttribute " + |
| "datastoreValue=" + datastoreValue + " attributeValue=" + attributeValue); |
| } |
| return attributeValue; |
| } |
| |
| /** |
| * Method returning the current number of convertToDatastore method calls. |
| * @return number of convertToDatastore method calls |
| */ |
| public static int getNrOfConvertToDatastoreCalls() { |
| return nrOfConvertToDatastoreCalls; |
| } |
| |
| /** |
| * Method returning the current number of convertToAttribute method calls. |
| * @return number of convertToAttribute method calls |
| */ |
| public static int getNrOfConvertToAttributeCalls() { |
| return nrOfConvertToAttributeCalls; |
| } |
| } |