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/*
* Copyright 2021 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 io.netty5.handler.ssl;
import io.netty5.util.internal.EmptyArrays;
import java.util.Arrays;
/**
* Represent the session ID used by an {@link OpenSslSession}.
*/
final class OpenSslSessionId {
private final byte[] id;
private final int hashCode;
static final OpenSslSessionId NULL_ID = new OpenSslSessionId(EmptyArrays.EMPTY_BYTES);
OpenSslSessionId(byte[] id) {
// We take ownership if the byte[] and so there is no need to clone it.
//noinspection AssignmentOrReturnOfFieldWithMutableType
this.id = id;
// cache the hashCode as the byte[] array will never change
hashCode = Arrays.hashCode(id);
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (!(o instanceof OpenSslSessionId)) {
return false;
}
return Arrays.equals(id, ((OpenSslSessionId) o).id);
}
@Override
public String toString() {
return "OpenSslSessionId{" +
"id=" + Arrays.toString(id) +
'}';
}
@Override
public int hashCode() {
return hashCode;
}
byte[] cloneBytes() {
return id.clone();
}
}
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