/*
* Copyright 2015 Odnoklassniki Ltd, Mail.Ru Group
*
* 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 one.nio.serial;
import java.io.IOException;
class IntegerArraySerializer extends Serializer<int[]> {
private static final int[] EMPTY_INT_ARRAY = new int[0];
IntegerArraySerializer() {
super(int[].class);
}
@Override
public void calcSize(int[] obj, CalcSizeStream css) {
css.count += 4 + obj.length * 4;
}
@Override
public void write(int[] obj, DataStream out) throws IOException {
out.writeInt(obj.length);
for (int v : obj) {
out.writeInt(v);
}
}
@Override
public int[] read(DataStream in) throws IOException {
int[] result;
int length = in.readInt();
if (length > 0) {
result = new int[length];
for (int i = 0; i < length; i++) {
result[i] = in.readInt();
}
} else {
result = EMPTY_INT_ARRAY;
}
in.register(result);
return result;
}
@Override
public void skip(DataStream in) throws IOException {
in.skipBytes(in.readInt() * 4);
}
@Override
public void toJson(int[] obj, StringBuilder builder) {
builder.append('[');
if (obj.length > 0) {
builder.append(obj[0]);
for (int i = 1; i < obj.length; i++) {
builder.append(',').append(obj[i]);
}
}
builder.append(']');
}
}