/*
* 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.
ByteBufAllocator;
import io.netty.util.internal.
ObjectUtil;
import javax.net.ssl.
SSLEngine;
import javax.net.ssl.
SSLSessionContext;
import java.util.
List;
/**
* Adapter class which allows to wrap another {@link SslContext} and init {@link SSLEngine} instances.
*/
public abstract class
DelegatingSslContext extends
SslContext {
private final
SslContext ctx;
protected
DelegatingSslContext(
SslContext ctx) {
this.
ctx =
ObjectUtil.
checkNotNull(
ctx, "ctx");
}
@
Override
public final boolean
isClient() {
return
ctx.
isClient();
}
@
Override
public final
List<
String>
cipherSuites() {
return
ctx.
cipherSuites();
}
@
Override
public final long
sessionCacheSize() {
return
ctx.
sessionCacheSize();
}
@
Override
public final long
sessionTimeout() {
return
ctx.
sessionTimeout();
}
@
Override
public final
ApplicationProtocolNegotiator applicationProtocolNegotiator() {
return
ctx.
applicationProtocolNegotiator();
}
@
Override
public final
SSLEngine newEngine(
ByteBufAllocator alloc) {
SSLEngine engine =
ctx.
newEngine(
alloc);
initEngine(
engine);
return
engine;
}
@
Override
public final
SSLEngine newEngine(
ByteBufAllocator alloc,
String peerHost, int
peerPort) {
SSLEngine engine =
ctx.
newEngine(
alloc,
peerHost,
peerPort);
initEngine(
engine);
return
engine;
}
@
Override
protected final
SslHandler newHandler(
ByteBufAllocator alloc, boolean
startTls) {
SslHandler handler =
ctx.
newHandler(
alloc,
startTls);
initHandler(
handler);
return
handler;
}
@
Override
protected final
SslHandler newHandler(
ByteBufAllocator alloc,
String peerHost, int
peerPort, boolean
startTls) {
SslHandler handler =
ctx.
newHandler(
alloc,
peerHost,
peerPort,
startTls);
initHandler(
handler);
return
handler;
}
@
Override
public final
SSLSessionContext sessionContext() {
return
ctx.
sessionContext();
}
/**
* Init the {@link SSLEngine}.
*/
protected abstract void
initEngine(
SSLEngine engine);
/**
* Init the {@link SslHandler}. This will by default call {@link #initEngine(SSLEngine)}, sub-classes may override
* this.
*/
protected void
initHandler(
SslHandler handler) {
initEngine(
handler.
engine());
}
}