| /* |
| * 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.keyprovider; |
| |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.StreamCorruptedException; |
| import java.security.KeyPair; |
| import java.util.Collection; |
| import java.util.Collections; |
| |
| import org.apache.sshd.common.util.threads.ThreadUtils; |
| |
| /** |
| * This provider loads private keys from the specified resources that |
| * are accessible via {@link ClassLoader#getResourceAsStream(String)}. |
| * If no loader configured via {@link #setResourceLoader(ClassLoader)}, then |
| * {@link ThreadUtils#resolveDefaultClassLoader(Class)} is used |
| * |
| * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a> |
| */ |
| public abstract class AbstractClassLoadableResourceKeyPairProvider extends AbstractResourceKeyPairProvider<String> { |
| private ClassLoader classLoader; |
| private Collection<String> resources; |
| |
| protected AbstractClassLoadableResourceKeyPairProvider() { |
| classLoader = ThreadUtils.resolveDefaultClassLoader(getClass()); |
| } |
| |
| public Collection<String> getResources() { |
| return resources; |
| } |
| |
| public void setResources(Collection<String> resources) { |
| this.resources = (resources == null) ? Collections.<String>emptyList() : resources; |
| } |
| |
| public ClassLoader getResourceLoader() { |
| return classLoader; |
| } |
| |
| public void setResourceLoader(ClassLoader classLoader) { |
| this.classLoader = classLoader; |
| } |
| |
| @Override |
| public Iterable<KeyPair> loadKeys() { |
| return loadKeys(getResources()); |
| } |
| |
| @Override |
| protected InputStream openKeyPairResource(String resourceKey, String resource) throws IOException { |
| ClassLoader cl = resolveClassLoader(); |
| if (cl == null) { |
| throw new StreamCorruptedException("No resource loader for " + resource); |
| } |
| |
| InputStream input = cl.getResourceAsStream(resource); |
| if (input == null) { |
| throw new FileNotFoundException("Cannot find resource " + resource); |
| } |
| |
| return input; |
| } |
| |
| protected ClassLoader resolveClassLoader() { |
| ClassLoader cl = getResourceLoader(); |
| if (cl == null) { |
| cl = ThreadUtils.resolveDefaultClassLoader(getClass()); |
| } |
| return cl; |
| } |
| } |