| /* |
| * 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.beam.sdk.fn.channel; |
| |
| import static org.apache.beam.vendor.guava.v26_0_jre.com.google.common.base.Preconditions.checkArgument; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| import java.net.SocketAddress; |
| import org.apache.beam.vendor.grpc.v1p21p0.io.netty.channel.unix.DomainSocketAddress; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.net.HostAndPort; |
| |
| /** Creates a {@link SocketAddress} based upon a supplied string. */ |
| public class SocketAddressFactory { |
| private static final String UNIX_DOMAIN_SOCKET_PREFIX = "unix://"; |
| |
| /** Parse a {@link SocketAddress} from the given string. */ |
| public static SocketAddress createFrom(String value) { |
| if (value.startsWith(UNIX_DOMAIN_SOCKET_PREFIX)) { |
| // Unix Domain Socket address. |
| // Create the underlying file for the Unix Domain Socket. |
| String filePath = value.substring(UNIX_DOMAIN_SOCKET_PREFIX.length()); |
| File file = new File(filePath); |
| if (!file.isAbsolute()) { |
| throw new IllegalArgumentException("File path must be absolute: " + filePath); |
| } |
| try { |
| if (file.createNewFile()) { |
| // If this application created the file, delete it when the application exits. |
| file.deleteOnExit(); |
| } |
| } catch (IOException ex) { |
| throw new RuntimeException(ex); |
| } |
| // Create the SocketAddress referencing the file. |
| return new DomainSocketAddress(file); |
| } else { |
| // Standard TCP/IP address. |
| HostAndPort hostAndPort = HostAndPort.fromString(value); |
| checkArgument( |
| hostAndPort.hasPort(), |
| "Address must be a unix:// path or be in the form host:port. Got: %s", |
| value); |
| return new InetSocketAddress(hostAndPort.getHost(), hostAndPort.getPort()); |
| } |
| } |
| } |