org.apache.openjpa.jdbc.meta.strats.PrimitiveWrapperArrays Maven / Gradle / Ivy
/*
* 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.jdbc.meta.strats;
import org.apache.openjpa.jdbc.meta.ValueMapping;
/**
* Primitive wrapper array helper methods.
*
* @author Marc Prud'hommeaux
*/
class PrimitiveWrapperArrays {
/**
* Convert the given primitive array to a wrapper array if needed.
*/
public static Object toObjectValue(ValueMapping vm, char[] array) {
if (array == null)
return null;
if (vm.getType().getComponentType() == Character.class) {
Character[] objectArray = new Character[array.length];
for (int i = 0; i < array.length; i++)
objectArray[i] = Character.valueOf(array[i]);
return objectArray;
}
return array;
}
/**
* Convert the given value to a primitive array if needed.
*/
public static char[] toCharArray(Object ob) {
if (ob instanceof Character[]) {
Character[] charOb = (Character[]) ob;
char[] chars = new char[charOb.length];
for (int i = 0; i < charOb.length; i++)
chars[i] = charOb[i] == null ? 0 : charOb[i].charValue();
return chars;
}
return (char[]) ob;
}
/**
* Convert the given primitive array to a wrapper array if needed.
*/
public static Object toObjectValue(ValueMapping vm, byte[] array) {
if (array == null)
return null;
if (vm.getType().getComponentType() == Byte.class) {
Byte[] objectArray = new Byte[array.length];
for (int i = 0; i < array.length; i++)
objectArray[i] = Byte.valueOf(array[i]);
return objectArray;
}
return array;
}
/**
* Convert the given value to a primitive array if needed.
*/
public static byte[] toByteArray(Object ob) {
if (ob instanceof Byte[]) {
Byte[] byteOb = (Byte[]) ob;
byte[] bytes = new byte[byteOb.length];
for (int i = 0; i < byteOb.length; i++)
bytes[i] = byteOb[i] == null ? 0 : byteOb[i].byteValue();
return bytes;
}
return (byte[]) ob;
}
}