e8efcd82a8
Motivation: We can just use Objects.requireNonNull(...) as a replacement for ObjectUtil.checkNotNull(....) Modifications: - Use Objects.requireNonNull(...) Result: Less code to maintain.
107 lines
2.6 KiB
Java
107 lines
2.6 KiB
Java
/*
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* Copyright 2016 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.handler.ssl;
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import static java.util.Objects.requireNonNull;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.ByteBufAllocator;
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import io.netty.util.AbstractReferenceCounted;
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import io.netty.util.IllegalReferenceCountException;
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/**
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* A PEM encoded value.
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*
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* @see PemEncoded
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* @see PemPrivateKey#toPEM(ByteBufAllocator, boolean, java.security.PrivateKey)
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* @see PemX509Certificate#toPEM(ByteBufAllocator, boolean, java.security.cert.X509Certificate[])
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*/
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class PemValue extends AbstractReferenceCounted implements PemEncoded {
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private final ByteBuf content;
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private final boolean sensitive;
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PemValue(ByteBuf content, boolean sensitive) {
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this.content = requireNonNull(content, "content");
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this.sensitive = sensitive;
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}
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@Override
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public boolean isSensitive() {
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return sensitive;
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}
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@Override
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public ByteBuf content() {
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int count = refCnt();
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if (count <= 0) {
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throw new IllegalReferenceCountException(count);
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}
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return content;
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}
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@Override
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public PemValue copy() {
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return replace(content.copy());
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}
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@Override
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public PemValue duplicate() {
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return replace(content.duplicate());
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}
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@Override
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public PemValue retainedDuplicate() {
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return replace(content.retainedDuplicate());
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}
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@Override
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public PemValue replace(ByteBuf content) {
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return new PemValue(content, sensitive);
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}
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@Override
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public PemValue touch() {
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return (PemValue) super.touch();
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}
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@Override
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public PemValue touch(Object hint) {
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content.touch(hint);
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return this;
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}
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@Override
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public PemValue retain() {
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return (PemValue) super.retain();
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}
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@Override
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public PemValue retain(int increment) {
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return (PemValue) super.retain(increment);
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}
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@Override
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protected void deallocate() {
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if (sensitive) {
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SslUtils.zeroout(content);
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}
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content.release();
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}
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}
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