/**
* Copyright 2014 Duan Bingnan
*
* Licensed 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.pinus4j.serializer.codec.impl;
import java.lang.reflect.Array;
import org.pinus4j.exceptions.CodecException;
import org.pinus4j.serializer.codec.Codec;
import org.pinus4j.serializer.codec.CodecConfig;
import org.pinus4j.serializer.codec.CodecType;
import org.pinus4j.serializer.io.DataInput;
import org.pinus4j.serializer.io.DataOutput;
import org.pinus4j.utils.BeansUtil;
public class EnumArrayCodec implements Codec<Enum[]> {
public void encode(DataOutput output, Enum[] v, CodecConfig config) throws CodecException {
// write type
output.writeByte(CodecType.TYPE_ARRAY_ENUM);
// write is null
if (v == null) {
output.writeByte(CodecType.NULL);
return;
}
output.writeByte(CodecType.NOT_NULL);
// write length
int length = v.length;
output.writeVInt(length);
boolean isWriteClass = false;
// write value
for (int i = 0; i < length; i++) {
if (v[i] == null) {
output.writeByte(CodecType.NULL);
continue;
}
output.writeByte(CodecType.NOT_NULL);
if (!isWriteClass) {
output.writeGBK(v[i].getDeclaringClass().getName());
isWriteClass = true;
}
output.writeGBK(v[i].name());
}
}
public Enum[] decode(DataInput input, CodecConfig config) throws CodecException {
// read is null
if (input.readByte() == CodecType.NULL) {
return null;
}
// read length
int length = input.readVInt();
boolean isReadClass = false;
Object array = null;
Class<Enum> oc = null;
for (int i = 0; i < length; i++) {
if (input.readByte() == CodecType.NOT_NULL) {
if (!isReadClass) {
oc = (Class<Enum>) BeansUtil.getClass(input.readGBK());
array = Array.newInstance(oc, length);
isReadClass = true;
}
String name = input.readGBK();
Array.set(array, i, Enum.valueOf(oc, name));
}
}
return (Enum[]) array;
}
}