| /* |
| * 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.Map; |
| |
| import org.apache.sshd.common.PropertyResolverUtils; |
| import org.apache.sshd.common.config.keys.PublicKeyEntryDecoder; |
| import org.apache.sshd.common.util.MapEntryUtils; |
| |
| /** |
| * Useful base class implementation for a decoder of an {@code OpenSSH} encoded key data |
| * |
| * @param <PUB> Type of {@link PublicKey} |
| * @param <PRV> Type of {@link PrivateKey} |
| * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a> |
| */ |
| public abstract class AbstractPublicKeyEntryDecoder<PUB extends PublicKey, PRV extends PrivateKey> |
| extends AbstractKeyEntryResolver<PUB, PRV> |
| implements PublicKeyEntryDecoder<PUB, PRV> { |
| protected AbstractPublicKeyEntryDecoder(Class<PUB> pubType, Class<PRV> prvType, Collection<String> names) { |
| super(pubType, prvType, names); |
| } |
| |
| protected final boolean parseBooleanHeader(Map<String, String> headers, String propertyKey, boolean defaultVal) { |
| if (MapEntryUtils.isEmpty(headers) || !headers.containsKey(propertyKey)) { |
| return defaultVal; |
| } |
| String stringVal = headers.get(propertyKey); |
| Boolean boolVal; |
| try { |
| boolVal = PropertyResolverUtils.parseBoolean(stringVal); |
| } catch (IllegalArgumentException e) { |
| log.warn("Ignoring non-boolean property value for \"{}\": {}", propertyKey, stringVal); |
| boolVal = null; |
| } |
| if (boolVal == null) { |
| return defaultVal; |
| } |
| return boolVal; |
| } |
| } |