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Merge pull request #187 from jamezp/LOGMGR-195
[LOGMGR-195] Create a ClientSocketFactory SPI to allow consumers to c…
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src/main/java/org/jboss/logmanager/handlers/ClientSocketFactory.java
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| /* | ||
| * JBoss, Home of Professional Open Source. | ||
| * | ||
| * Copyright 2018 Red Hat, Inc., and individual contributors | ||
| * as indicated by the @author tags. | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
|
|
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| package org.jboss.logmanager.handlers; | ||
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| import java.io.IOException; | ||
| import java.net.DatagramSocket; | ||
| import java.net.InetAddress; | ||
| import java.net.InetSocketAddress; | ||
| import java.net.Socket; | ||
| import java.net.SocketAddress; | ||
| import java.net.SocketException; | ||
| import javax.net.SocketFactory; | ||
|
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| /** | ||
| * A factory used to create writable sockets. | ||
| * | ||
| * @author <a href="mailto:jperkins@redhat.com">James R. Perkins</a> | ||
| */ | ||
| public interface ClientSocketFactory { | ||
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|
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| /** | ||
| * Creates a datagram socket for UDP communication. | ||
| * | ||
| * @return the newly created socket | ||
| * | ||
| * @throws SocketException if binding the socket fails | ||
| */ | ||
| DatagramSocket createDatagramSocket() throws SocketException; | ||
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| /** | ||
| * Creates a TCP socket. | ||
| * | ||
| * @return the newly created socket | ||
| * | ||
| * @throws IOException if an error occurs creating the socket | ||
| */ | ||
| Socket createSocket() throws IOException; | ||
|
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| /** | ||
| * Returns the address being used to create sockets. | ||
| * | ||
| * @return the address being used | ||
| */ | ||
| InetAddress getAddress(); | ||
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| /** | ||
| * Returns the port being used to create sockets. | ||
| * | ||
| * @return the port being used | ||
| */ | ||
| int getPort(); | ||
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| /** | ||
| * A convenience method to return the socket address. | ||
| * <p> | ||
| * The default implementation simply returns {@code new InetSocketAddress(getAddress(), getPort())}. | ||
| * </p> | ||
| * | ||
| * @return a socket address | ||
| */ | ||
| default SocketAddress getSocketAddress() { | ||
| return new InetSocketAddress(getAddress(), getPort()); | ||
| } | ||
|
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| /** | ||
| * Creates a new default implementation of the factory which uses {@link SocketFactory#getDefault()} for TCP | ||
| * sockets and {@code new DatagramSocket()} for UDP sockets. | ||
| * | ||
| * @param address the address to bind to | ||
| * @param port the port to bind to | ||
| * | ||
| * @return the client socket factory | ||
| */ | ||
| static ClientSocketFactory of(final InetAddress address, final int port) { | ||
| return of(SocketFactory.getDefault(), address, port); | ||
| } | ||
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| /** | ||
| * Creates a new default implementation of the factory which uses the provided | ||
| * {@linkplain SocketFactory#createSocket(InetAddress, int) socket factory} to create TCP connections and | ||
| * {@code new DatagramSocket()} for UDP sockets. | ||
| * | ||
| * @param socketFactory the socket factory used for TCP connections, if {@code null} the | ||
| * {@linkplain SocketFactory#getDefault() default} socket factory will be used | ||
| * @param address the address to bind to | ||
| * @param port the port to bind to | ||
| * | ||
| * @return the client socket factory | ||
| */ | ||
| static ClientSocketFactory of(final SocketFactory socketFactory, final InetAddress address, final int port) { | ||
| if (address == null || port < 0) { | ||
| throw new IllegalArgumentException(String.format("The address cannot be null (%s) and the port must be a positive integer (%d)", address, port)); | ||
| } | ||
| final SocketFactory factory = (socketFactory == null ? SocketFactory.getDefault() : socketFactory); | ||
| return new ClientSocketFactory() { | ||
| @Override | ||
| public DatagramSocket createDatagramSocket() throws SocketException { | ||
| return new DatagramSocket(); | ||
| } | ||
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| @Override | ||
| public Socket createSocket() throws IOException { | ||
| return factory.createSocket(address, port); | ||
| } | ||
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| @Override | ||
| public InetAddress getAddress() { | ||
| return address; | ||
| } | ||
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| @Override | ||
| public int getPort() { | ||
| return port; | ||
| } | ||
| }; | ||
| } | ||
| } |
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