| /* |
| * 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.scp.client; |
| |
| import java.io.IOException; |
| import java.net.SocketAddress; |
| import java.security.KeyPair; |
| import java.util.Objects; |
| |
| import org.apache.sshd.client.session.ClientSession; |
| import org.apache.sshd.client.simple.SimpleClient; |
| import org.apache.sshd.common.util.GenericUtils; |
| import org.apache.sshd.common.util.io.functors.IOFunction; |
| import org.apache.sshd.common.util.logging.AbstractLoggingBean; |
| |
| /** |
| * TODO Add javadoc |
| * |
| * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a> |
| */ |
| public class SimpleScpClientImpl extends AbstractLoggingBean implements SimpleScpClient { |
| private SimpleClient clientInstance; |
| private ScpClientCreator scpClientCreator; |
| |
| public SimpleScpClientImpl() { |
| this(null); |
| } |
| |
| public SimpleScpClientImpl(SimpleClient client) { |
| this(client, null); |
| } |
| |
| public SimpleScpClientImpl(SimpleClient client, ScpClientCreator scpClientCreator) { |
| this.clientInstance = client; |
| setScpClientCreator(scpClientCreator); |
| } |
| |
| public SimpleClient getClient() { |
| return clientInstance; |
| } |
| |
| public void setClient(SimpleClient client) { |
| this.clientInstance = client; |
| } |
| |
| public ScpClientCreator getScpClientCreator() { |
| return scpClientCreator; |
| } |
| |
| public void setScpClientCreator(ScpClientCreator scpClientCreator) { |
| this.scpClientCreator = (scpClientCreator == null) ? ScpClientCreator.instance() : scpClientCreator; |
| } |
| |
| @Override |
| public CloseableScpClient scpLogin(SocketAddress target, String username, String password) throws IOException { |
| return createScpClient(client -> client.sessionLogin(target, username, password)); |
| } |
| |
| @Override |
| public CloseableScpClient scpLogin(SocketAddress target, String username, KeyPair identity) throws IOException { |
| return createScpClient(client -> client.sessionLogin(target, username, identity)); |
| } |
| |
| protected CloseableScpClient createScpClient(IOFunction<? super SimpleClient, ? extends ClientSession> sessionProvider) |
| throws IOException { |
| SimpleClient client = getClient(); |
| ClientSession session = sessionProvider.apply(client); |
| try { |
| CloseableScpClient scp = createScpClient(session); |
| session = null; // disable auto-close at finally block |
| return scp; |
| } finally { |
| if (session != null) { |
| session.close(); |
| } |
| } |
| } |
| |
| protected CloseableScpClient createScpClient(ClientSession session) throws IOException { |
| try { |
| ScpClientCreator creator = getScpClientCreator(); |
| ScpClient client = creator.createScpClient(Objects.requireNonNull(session, "No client session")); |
| return CloseableScpClient.singleSessionInstance(client); |
| } catch (Exception e) { |
| log.warn("createScpClient({}) failed ({}) to create proxy: {}", |
| session, e.getClass().getSimpleName(), e.getMessage()); |
| try { |
| session.close(); |
| } catch (Exception t) { |
| debug("createScpClient({}) failed ({}) to close session: {}", |
| session, t.getClass().getSimpleName(), t.getMessage(), t); |
| e.addSuppressed(t); |
| } |
| |
| GenericUtils.rethrowAsIoException(e); |
| return null; // actually dead code... |
| } |
| } |
| |
| @Override |
| public boolean isOpen() { |
| return true; |
| } |
| |
| @Override |
| public void close() throws IOException { |
| // Do nothing |
| } |
| } |