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Use record for ServerConfig.

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This commit is contained in:
Manuel Friedli 2024-12-13 21:11:18 +01:00
parent dbdfb0c8a4
commit f370037289
Signed by: manuel
GPG key ID: 41D08ABA75634DA1
3 changed files with 19 additions and 26 deletions
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4
src/main/java/ch/fritteli/maze/server/MazeServer.java
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@ -18,8 +18,8 @@ public class MazeServer {
private final Undertow undertow;
private MazeServer(@NotNull final ServerConfig config) {
final String hostAddress = config.getAddress().getHostAddress();
final int port = config.getPort();
final String hostAddress = config.address().getHostAddress();
final int port = config.port();
log.info("Starting Server at http://{}:{}/", hostAddress, port);
final RoutingHandler routingHandler = new RoutingHandler()
.get(CreateHandler.PATH_TEMPLATE, new CreateHandler())

27
src/main/java/ch/fritteli/maze/server/ServerConfig.java
View file

@ -1,32 +1,27 @@
package ch.fritteli.maze.server;
import io.vavr.control.Try;
import lombok.AccessLevel;
import lombok.AllArgsConstructor;
import lombok.Value;
import lombok.extern.slf4j.Slf4j;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.wildfly.common.annotation.NotNull;
import java.net.InetAddress;
@AllArgsConstructor(access = AccessLevel.PRIVATE)
@Slf4j
@Value
public class ServerConfig {
public record ServerConfig(@NotNull InetAddress address, int port) {
public static final String SYSPROP_HOST = "fritteli.maze.server.host";
public static final String SYSPROP_PORT = "fritteli.maze.server.port";
@NotNull
InetAddress address;
int port;
public ServerConfig(@Nullable final String address, final int port) throws ConfigurationException {
this.address = validateAddress(address);
public ServerConfig(@NotNull final InetAddress address, int port) {
this.address = address;
this.port = validatePort(port);
log.debug("host={}, port={}", this.address, this.port);
}
public ServerConfig(@Nullable final String address, final int port) throws ConfigurationException {
this(validateAddress(address), port);
}
@NotNull
public static ServerConfig init() throws ConfigurationException {
final String host = System.getProperty(SYSPROP_HOST);
@ -36,7 +31,7 @@ public class ServerConfig {
}
@NotNull
private static InetAddress validateAddress(@Nullable final String address) {
private static InetAddress validateAddress(@Nullable final String address) throws ConfigurationException {
return Try.of(() -> InetAddress.getByName(address))
.getOrElseThrow(cause -> new ConfigurationException(
"Invalid hostname/address: %s".formatted(address),
@ -44,14 +39,14 @@ public class ServerConfig {
));
}
private static int validatePort(final int port) {
private static int validatePort(final int port) throws ConfigurationException {
if (port < 0 || port > 0xFFFF) {
throw new ConfigurationException("Port out of range (0..65535): %s".formatted(port));
}
return port;
}
private static int validatePort(@Nullable final String portString) {
private static int validatePort(@Nullable final String portString) throws ConfigurationException {
if (portString == null) {
log.info("No port configured; using default.");
return 0;

14
src/test/java/ch/fritteli/maze/server/ServerConfigTest.java
View file

@ -3,8 +3,6 @@ package ch.fritteli.maze.server;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import java.net.UnknownHostException;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
@ -22,9 +20,9 @@ class ServerConfigTest {
final ServerConfig sut = ServerConfig.init();
// assert
assertEquals("127.0.0.1", sut.getAddress().getHostAddress());
assertEquals("localhost", sut.getAddress().getHostName());
assertEquals(0, sut.getPort());
assertEquals("127.0.0.1", sut.address().getHostAddress());
assertEquals("localhost", sut.address().getHostName());
assertEquals(0, sut.port());
}
@Test
@ -46,7 +44,7 @@ class ServerConfigTest {
}
@Test
void testInit() throws ConfigurationException, UnknownHostException {
void testInit() throws ConfigurationException {
// arrange
System.setProperty(ServerConfig.SYSPROP_HOST, "127.0.0.1");
System.setProperty(ServerConfig.SYSPROP_PORT, "12345");
@ -55,7 +53,7 @@ class ServerConfigTest {
final ServerConfig sut = ServerConfig.init();
// assert
assertEquals("127.0.0.1", sut.getAddress().getHostAddress());
assertEquals(12345, sut.getPort());
assertEquals("127.0.0.1", sut.address().getHostAddress());
assertEquals(12345, sut.port());
}
}