| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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 org.apache.sshd.common.config.keys.impl; |
| |
| import java.security.PrivateKey; |
| import java.security.PublicKey; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.NavigableSet; |
| import java.util.Objects; |
| |
| import org.apache.sshd.common.config.keys.IdentityResourceLoader; |
| import org.apache.sshd.common.util.GenericUtils; |
| import org.apache.sshd.common.util.ValidateUtils; |
| import org.apache.sshd.common.util.logging.AbstractLoggingBean; |
| |
| /** |
| * @param <PUB> Generic public key type |
| * @param <PRV> Generic private key type |
| * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a> |
| */ |
| public abstract class AbstractIdentityResourceLoader<PUB extends PublicKey, PRV extends PrivateKey> |
| extends AbstractLoggingBean |
| implements IdentityResourceLoader<PUB, PRV> { |
| private final Class<PUB> pubType; |
| private final Class<PRV> prvType; |
| private final NavigableSet<String> types; |
| |
| protected AbstractIdentityResourceLoader( |
| Class<PUB> pubType, Class<PRV> prvType, Collection<String> keyTypes) { |
| this.pubType = Objects.requireNonNull(pubType, "No public key type specified"); |
| this.prvType = Objects.requireNonNull(prvType, "No private key type specified"); |
| this.types = Collections.unmodifiableNavigableSet( |
| GenericUtils.asSortedSet(String.CASE_INSENSITIVE_ORDER, |
| ValidateUtils.checkNotNullAndNotEmpty(keyTypes, "No key type names provided"))); |
| } |
| |
| @Override |
| public final Class<PUB> getPublicKeyType() { |
| return pubType; |
| } |
| |
| @Override |
| public final Class<PRV> getPrivateKeyType() { |
| return prvType; |
| } |
| |
| @Override |
| public NavigableSet<String> getSupportedKeyTypes() { |
| return types; |
| } |
| } |