netty5/handler/src/main/java/io/netty/handler/ssl/IdentityCipherSuiteFilter.java

48 lines
1.6 KiB
Java

/*
* Copyright 2014 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 java.util.ArrayList;
import java.util.List;
import java.util.Set;
/**
* This class will not do any filtering of ciphers suites.
*/
public final class IdentityCipherSuiteFilter implements CipherSuiteFilter {
public static final IdentityCipherSuiteFilter INSTANCE = new IdentityCipherSuiteFilter();
private IdentityCipherSuiteFilter() { }
@Override
public String[] filterCipherSuites(Iterable<String> ciphers, List<String> defaultCiphers,
Set<String> supportedCiphers) {
if (ciphers == null) {
return defaultCiphers.toArray(new String[defaultCiphers.size()]);
} else {
List<String> newCiphers = new ArrayList<String>(supportedCiphers.size());
for (String c : ciphers) {
if (c == null) {
break;
}
newCiphers.add(c);
}
return newCiphers.toArray(new String[newCiphers.size()]);
}
}
}