com.arangodb.shaded.netty.handler.codec.serialization.CompactObjectOutputStream Maven / Gradle / Ivy
/*
* Copyright 2012 The Netty Project
*
* The Netty Project 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:
*
* https://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 com.arangodb.shaded.netty.handler.codec.serialization;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.io.ObjectStreamClass;
import java.io.OutputStream;
class CompactObjectOutputStream extends ObjectOutputStream {
static final int TYPE_FAT_DESCRIPTOR = 0;
static final int TYPE_THIN_DESCRIPTOR = 1;
CompactObjectOutputStream(OutputStream out) throws IOException {
super(out);
}
@Override
protected void writeStreamHeader() throws IOException {
writeByte(STREAM_VERSION);
}
@Override
protected void writeClassDescriptor(ObjectStreamClass desc) throws IOException {
Class clazz = desc.forClass();
if (clazz.isPrimitive() || clazz.isArray() || clazz.isInterface() ||
desc.getSerialVersionUID() == 0) {
write(TYPE_FAT_DESCRIPTOR);
super.writeClassDescriptor(desc);
} else {
write(TYPE_THIN_DESCRIPTOR);
writeUTF(desc.getName());
}
}
}