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/*
* junixsocket
*
* Copyright 2009-2024 Christian Kohlschütter
*
* Licensed 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 org.newsclub.net.unix.ssl;
import javax.net.ssl.SNIMatcher;
import javax.net.ssl.SNIServerName;
/**
* A wrapping {@link SNIMatcher} that calls a callback with the checked {@link SNIServerName} and
* match status ({@code true} or {@code false}).
*
* @author Christian Kohlschütter
*/
public final class CallbackSNIMatcher extends SNIMatcher {
private final SNIMatcher wrapped;
private final Callback callback;
/**
* Callback that is called upon {@link SNIMatcher#matches(SNIServerName)}.
*
* @author Christian Kohlschütter
*/
@FunctionalInterface
public interface Callback {
/**
* Called upon {@link SNIMatcher#matches(SNIServerName)}, along with the result.
*
* @param name The name.
* @param matches The match result.
*/
void onMatch(SNIServerName name, boolean matches);
}
/**
* Constructs a new {@link CallbackSNIMatcher}, using the given wrapped {@link SNIMatcher} and
* callback.
*
* @param wrapped The wrapped {@link SNIMatcher}.
* @param callback The callback to be called upon {@link #matches(SNIServerName)}.
*/
public CallbackSNIMatcher(SNIMatcher wrapped, Callback callback) {
super(wrapped.getType());
this.wrapped = wrapped;
this.callback = callback;
}
@Override
public boolean matches(SNIServerName serverName) {
boolean matches = wrapped.matches(serverName);
callback.onMatch(serverName, matches);
return matches;
}
}