io.netty.handler.ssl.OpenSslSessionId Maven / Gradle / Ivy

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This artifact provides a single jar that contains all classes required to use remote EJB and JMS, including all dependencies. It is intended for use by those not using maven, maven users should just import the EJB and JMS BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up with different versions on classes on the class path).

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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.netty.handler.ssl;

import io.netty.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.
        this.id = id;
        // cache the hashCode as the byte[] array will never change
        this.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();
    }
}