/*
* Copyright 2016 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:
*
* 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 io.netty.handler.ssl;
import io.netty.buffer.
ByteBuf;
import io.netty.buffer.
ByteBufAllocator;
import io.netty.util.
AbstractReferenceCounted;
import io.netty.util.
IllegalReferenceCountException;
import io.netty.util.internal.
ObjectUtil;
/**
* A PEM encoded value.
*
* @see PemEncoded
* @see PemPrivateKey#toPEM(ByteBufAllocator, boolean, java.security.PrivateKey)
* @see PemX509Certificate#toPEM(ByteBufAllocator, boolean, java.security.cert.X509Certificate[])
*/
class
PemValue extends
AbstractReferenceCounted implements
PemEncoded {
private final
ByteBuf content;
private final boolean
sensitive;
public
PemValue(
ByteBuf content, boolean
sensitive) {
this.
content =
ObjectUtil.
checkNotNull(
content, "content");
this.
sensitive =
sensitive;
}
@
Override
public boolean
isSensitive() {
return
sensitive;
}
@
Override
public
ByteBuf content() {
int
count =
refCnt();
if (
count <= 0) {
throw new
IllegalReferenceCountException(
count);
}
return
content;
}
@
Override
public
PemValue copy() {
return
replace(
content.
copy());
}
@
Override
public
PemValue duplicate() {
return
replace(
content.
duplicate());
}
@
Override
public
PemValue retainedDuplicate() {
return
replace(
content.
retainedDuplicate());
}
@
Override
public
PemValue replace(
ByteBuf content) {
return new
PemValue(
content,
sensitive);
}
@
Override
public
PemValue touch() {
return (
PemValue) super.touch();
}
@
Override
public
PemValue touch(
Object hint) {
content.
touch(
hint);
return this;
}
@
Override
public
PemValue retain() {
return (
PemValue) super.retain();
}
@
Override
public
PemValue retain(int
increment) {
return (
PemValue) super.retain(
increment);
}
@
Override
protected void
deallocate() {
if (
sensitive) {
SslUtils.
zeroout(
content);
}
content.
release();
}
}