KartoffelChipss/MCRun
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Split up code into steps

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KartoffelChipss
2026-05-24 22:11:37 +02:00
parent aed7d7d561
commit bb75bba0a1
8 changed files with 196 additions and 77 deletions
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pom.xml
+1 -1
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@@ -7,7 +7,7 @@
<groupId>org.strassburger</groupId>
<artifactId>mcrun-maven-plugin</artifactId>
<version>0.0.12</version>
<version>0.0.13</version>
<packaging>maven-plugin</packaging>
<name>MCRun Maven Plugin</name>
src/main/java/org/strassburger/mcrun/RunServerMojo.java → src/main/java/org/strassburger/mcrun/StartServerMojo.java
+22 -76
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@@ -6,18 +6,20 @@ import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.strassburger.mcrun.downloader.ServerJarDownloadException;
import org.strassburger.mcrun.downloader.ServerJarDownloader;
import org.strassburger.mcrun.config.ServerInstallConfig;
import org.strassburger.mcrun.config.ServerRunStepConfig;
import org.strassburger.mcrun.steps.ServerInstallStep;
import org.strassburger.mcrun.steps.ServerRunStep;
import org.strassburger.mcrun.steps.Step;
import org.strassburger.mcrun.steps.StepExecutionException;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.StandardCopyOption;
import java.util.ArrayList;
import java.util.List;
@Mojo(name = "run", defaultPhase = LifecyclePhase.PACKAGE)
public class RunServerMojo extends AbstractMojo {
@Mojo(name = "start", defaultPhase = LifecyclePhase.PACKAGE)
public class StartServerMojo extends AbstractMojo {
/**
* Path to the plugin jar to deploy. Defaults to the project's build output jar.
* Override if your jar is assembled elsewhere or has a classifier.
@@ -100,79 +102,23 @@ public class RunServerMojo extends AbstractMojo {
@Override
public void execute() throws MojoExecutionException, MojoFailureException {
copyPlugin();
downloadServerJar();
if (acceptEula) acceptEula();
startServerProcess();
}
private void copyPlugin() throws MojoExecutionException {
File pluginsDir = new File(serverDirectory, "plugins");
pluginsDir.mkdirs();
try {
Files.copy(pluginJar.toPath(),
new File(pluginsDir, pluginJar.getName()).toPath(),
StandardCopyOption.REPLACE_EXISTING);
} catch (IOException e) {
throw new MojoExecutionException("Failed to copy plugin jar file: " + pluginJar.getAbsolutePath(), e);
for (var step : getSteps()) {
step.run();
}
} catch (StepExecutionException e) {
throw new MojoExecutionException(e.getMessage(), e.getCause());
}
}
private void downloadServerJar() throws MojoExecutionException {
try {
ServerJarDownloader jarDownloader = ServerJarDownloader.forServerSoftware(serverSoftware)
.withLog(getLog()).withServerDirectory(serverDirectory)
.withServerJarName(serverJarName).withMcVersion(mcVersion)
.build();
jarDownloader.run();
} catch (ServerJarDownloadException e) {
throw new MojoExecutionException("Failed to download server jar", e);
}
}
private void acceptEula() throws MojoExecutionException {
File eula = new File(serverDirectory, "eula.txt");
if (eula.exists()) return;
try {
Files.writeString(eula.toPath(), "eula=true\n");
getLog().info("eula.txt created and accepted.");
} catch (IOException e) {
throw new MojoExecutionException("Failed to write eula.txt: " + e.getMessage(), e);
}
}
private List<String> buildCommand() {
List<String> cmd = new ArrayList<>();
cmd.add("java");
cmd.add("-Xmx" + memory);
cmd.add("-Xms" + memory);
if (remoteDebug && debugPort > 0) {
cmd.add(String.format("-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:%d", debugPort));
}
cmd.addAll(jvmArgs);
cmd.add("-jar");
cmd.add(serverJarName);
cmd.add("--nogui");
if (port != null) {
cmd.add("--port");
cmd.add(String.valueOf(port));
}
return cmd;
}
private void startServerProcess() throws MojoExecutionException {
List<String> command = buildCommand();
getLog().info("Starting server with command: " + String.join(" ", command));
ProcessBuilder pb = new ProcessBuilder(command);
pb.directory(serverDirectory);
pb.inheritIO();
Process process;
try {
process = pb.start();
process.waitFor();
} catch (IOException | InterruptedException e) {
throw new MojoExecutionException("Failed to start server: " + e.getMessage(), e);
}
private List<Step<?>> getSteps() {
List<Step<?>> steps = new ArrayList<>();
steps.add(new ServerInstallStep(getLog(),
new ServerInstallConfig(serverDirectory, pluginJar, serverJarName, serverSoftware, mcVersion, acceptEula)
));
steps.add(new ServerRunStep(getLog(),
new ServerRunStepConfig(memory, jvmArgs, remoteDebug, debugPort, port, serverDirectory, serverJarName)
));
return steps;
}
}
src/main/java/org/strassburger/mcrun/config/ServerInstallConfig.java
+12
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@@ -0,0 +1,12 @@
package org.strassburger.mcrun.config;
import java.io.File;
public record ServerInstallConfig(File serverDirectory,
File pluginJar,
String serverJarName,
String serverSoftware,
String mcVersion,
boolean acceptEula
) {
}
src/main/java/org/strassburger/mcrun/config/ServerRunStepConfig.java
+13
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@@ -0,0 +1,13 @@
package org.strassburger.mcrun.config;
import java.io.File;
import java.util.List;
public record ServerRunStepConfig(String memory,
List<String> jvmArgs,
boolean remoteDebug,
int debugPort,
Integer port,
File serverDirectory,
String serverJarName) {
}
src/main/java/org/strassburger/mcrun/steps/ServerInstallStep.java
+60
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@@ -0,0 +1,60 @@
package org.strassburger.mcrun.steps;
import org.apache.maven.plugin.logging.Log;
import org.strassburger.mcrun.config.ServerInstallConfig;
import org.strassburger.mcrun.downloader.ServerJarDownloadException;
import org.strassburger.mcrun.downloader.ServerJarDownloader;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.StandardCopyOption;
public class ServerInstallStep extends Step<ServerInstallConfig> {
public ServerInstallStep(Log log, ServerInstallConfig config) {
super(log, config);
}
@Override
public void run() throws StepExecutionException {
copyPlugin();
downloadServerJar();
acceptEula();
}
private void copyPlugin() throws StepExecutionException {
File pluginsDir = new File(getConfig().serverDirectory(), "plugins");
pluginsDir.mkdirs();
try {
Files.copy(getConfig().pluginJar().toPath(),
new File(pluginsDir, getConfig().pluginJar().getName()).toPath(),
StandardCopyOption.REPLACE_EXISTING);
} catch (IOException e) {
throw new StepExecutionException("Failed to copy plugin jar file: " + getConfig().pluginJar().getAbsolutePath(), e);
}
}
private void downloadServerJar() throws StepExecutionException {
try {
ServerJarDownloader jarDownloader = ServerJarDownloader.forServerSoftware(getConfig().serverSoftware())
.withLog(getLog()).withServerDirectory(getConfig().serverDirectory())
.withServerJarName(getConfig().serverJarName()).withMcVersion(getConfig().mcVersion())
.build();
jarDownloader.run();
} catch (ServerJarDownloadException e) {
throw new StepExecutionException("Failed to download server jar", e);
}
}
private void acceptEula() throws StepExecutionException {
if (!getConfig().acceptEula()) return;
File eula = new File(getConfig().serverDirectory(), "eula.txt");
if (eula.exists()) return;
try {
Files.writeString(eula.toPath(), "eula=true\n");
getLog().info("eula.txt created and accepted.");
} catch (IOException e) {
throw new StepExecutionException("Failed to write eula.txt: " + e.getMessage(), e);
}
}
}
src/main/java/org/strassburger/mcrun/steps/ServerRunStep.java
+54
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@@ -0,0 +1,54 @@
package org.strassburger.mcrun.steps;
import org.apache.maven.plugin.logging.Log;
import org.strassburger.mcrun.config.ServerRunStepConfig;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
public class ServerRunStep extends Step<ServerRunStepConfig> {
public ServerRunStep(Log log, ServerRunStepConfig config) {
super(log, config);
}
@Override
public void run() throws StepExecutionException {
startServerProcess();
}
private List<String> buildCommand() {
List<String> cmd = new ArrayList<>();
cmd.add("java");
cmd.add("-Xmx" + getConfig().memory());
cmd.add("-Xms" + getConfig().memory());
if (getConfig().remoteDebug() && getConfig().debugPort() > 0) {
cmd.add(String.format("-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:%d", getConfig().debugPort()));
}
cmd.addAll(getConfig().jvmArgs());
cmd.add("-jar");
cmd.add(getConfig().serverJarName());
cmd.add("--nogui");
if (getConfig().port() != null) {
cmd.add("--port");
cmd.add(String.valueOf(getConfig().port()));
}
return cmd;
}
private void startServerProcess() throws StepExecutionException {
List<String> command = buildCommand();
getLog().info("Starting server with command: " + String.join(" ", command));
ProcessBuilder pb = new ProcessBuilder(command);
pb.directory(getConfig().serverDirectory());
pb.inheritIO();
Process process;
try {
process = pb.start();
process.waitFor();
} catch (IOException | InterruptedException e) {
throw new StepExecutionException("Failed to start server: " + e.getMessage(), e);
}
}
}
src/main/java/org/strassburger/mcrun/steps/Step.java
+23
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@@ -0,0 +1,23 @@
package org.strassburger.mcrun.steps;
import org.apache.maven.plugin.logging.Log;
public abstract class Step<T> {
private final Log log;
private final T config;
public Step(Log log, T config) {
this.log = log;
this.config = config;
}
public abstract void run() throws StepExecutionException;
protected Log getLog() {
return log;
}
protected T getConfig() {
return config;
}
}
src/main/java/org/strassburger/mcrun/steps/StepExecutionException.java
+11
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@@ -0,0 +1,11 @@
package org.strassburger.mcrun.steps;
public class StepExecutionException extends RuntimeException {
public StepExecutionException(String message) {
super(message);
}
public StepExecutionException(String message, Throwable cause) {
super(message, cause);
}
}