src/main/java/org/apache/commons/net/ftp/FTPSSocketFactory.java

/*
 * 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.commons.net.ftp;

import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;

import javax.net.SocketFactory;
import javax.net.ssl.SSLContext;

/**
 *
 * Socket factory for FTPS connections.
 *
 * @since 2.0
 */
public class FTPSSocketFactory extends SocketFactory {

    private final SSLContext context;

    public FTPSSocketFactory(SSLContext context) {
        this.context = context;
    }

    // Override the default implementation
    @Override
    public Socket createSocket() throws IOException{
        return this.context.getSocketFactory().createSocket();
    }

    @Override
    public Socket createSocket(String address, int port) throws UnknownHostException, IOException {
        return this.context.getSocketFactory().createSocket(address, port);
    }

    @Override
    public Socket createSocket(InetAddress address, int port) throws IOException {
        return this.context.getSocketFactory().createSocket(address, port);
    }

    @Override
    public Socket createSocket(String address, int port, InetAddress localAddress, int localPort)
            throws UnknownHostException, IOException {
        return this.context.getSocketFactory().createSocket(address, port, localAddress, localPort);
    }

    @Override
    public Socket createSocket(InetAddress address, int port, InetAddress localAddress, int localPort) throws IOException {
        return this.context.getSocketFactory().createSocket(address, port, localAddress, localPort);
    }


    // DEPRECATED METHODS - for API compatibility only - DO NOT USE

    /** @param port the port
     * @return  the socket
     * @throws IOException on error
     * @deprecated (2.2) use {@link FTPSServerSocketFactory#createServerSocket(int) instead} */
    @Deprecated
    public java.net.ServerSocket createServerSocket(int port) throws IOException {
        return this.init(this.context.getServerSocketFactory().createServerSocket(port));
    }

    /** @param port  the port
     * @param backlog the backlog
     * @return  the socket
     * @throws IOException  on error
     * @deprecated  (2.2) use {@link FTPSServerSocketFactory#createServerSocket(int, int) instead} */
    @Deprecated
    public java.net.ServerSocket createServerSocket(int port, int backlog) throws IOException {
        return this.init(this.context.getServerSocketFactory().createServerSocket(port, backlog));
    }

    /** @param port  the port
     * @param backlog the backlog
     * @param ifAddress the interface
     * @return  the socket
     * @throws IOException  on error
     * @deprecated  (2.2) use {@link FTPSServerSocketFactory#createServerSocket(int, int, InetAddress) instead} */
    @Deprecated
    public java.net.ServerSocket createServerSocket(int port, int backlog, InetAddress ifAddress) throws IOException {
        return this.init(this.context.getServerSocketFactory().createServerSocket(port, backlog, ifAddress));
    }

    /** @param socket the socket
     * @return the socket
     * @throws IOException  on error
     * @deprecated  (2.2) use {@link FTPSServerSocketFactory#init(java.net.ServerSocket)} */
    @Deprecated
    public java.net.ServerSocket init(java.net.ServerSocket socket) throws IOException {
        ((javax.net.ssl.SSLServerSocket) socket).setUseClientMode(true);
        return socket;
    }

}