initial commit

.gitignore

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+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and WebStorm
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser

.idea/.gitignore

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+# Default ignored files
+/workspace.xml

.idea/artifacts/pid_jar.xml

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+<component name="ArtifactManager">
+  <artifact type="jar" name="pid:jar">
+    <output-path>$PROJECT_DIR$/out/artifacts/pid_jar</output-path>
+    <root id="archive" name="pid.jar">
+      <element id="module-output" name="pid" />
+      <element id="file-copy" path="$PROJECT_DIR$/src/plugin.yml" />
+    </root>
+  </artifact>
+</component>

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="11" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/pid.iml" filepath="$PROJECT_DIR$/pid.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

pid.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="module-library">
+      <library>
+        <CLASSES>
+          <root url="jar://$MODULE_DIR$/../deps/spigot.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES>
+          <root url="jar://$MODULE_DIR$/../deps/spigot.jar!/" />
+        </SOURCES>
+      </library>
+    </orderEntry>
+  </component>
+</module>

src/pid/Main.java

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+package pid;
+
+import org.bukkit.plugin.java.JavaPlugin;
+
+import java.io.*;
+import java.nio.charset.StandardCharsets;
+import java.util.logging.Level;
+
+public class Main extends JavaPlugin {
+    @Override
+    public void onEnable() {
+        getConfig().addDefault("PIDFile", "~/bukkit.pid");
+        saveConfig();
+        String pid = getPid();
+        savePid(pid);
+    }
+
+    @Override
+    public void onDisable() {
+        removePid();
+    }
+
+    private String getPid() {
+        long pid = ProcessHandle.current().pid();
+        return Long.toString(pid);
+    }
+
+    private void savePid(String pid) {
+        String pidLocation = getPidFileLocation();
+        try {
+            PrintWriter writer = new PrintWriter(pidLocation, StandardCharsets.UTF_8);
+            writer.print(pid);
+            writer.close();
+            getLogger().log(Level.INFO, "PID: " + pid);
+            getLogger().log(Level.INFO, "PIDFile saved in " + pidLocation);
+        } catch (IOException e) {
+            getLogger().log(Level.WARNING, "Failed to write to PID file: " + e.toString());
+        }
+    }
+
+    private void removePid() {
+        String pidLocation = getPidFileLocation();
+        File file = new File(pidLocation);
+        file.deleteOnExit();
+    }
+
+    private String getPidFileLocation() {
+        return (String) getConfig().get("PIDFile");
+    }
+}

src/plugin.yml

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+name: PID
+version: 1.0.0
+description: Creates a PID file in /run/bukkit.pid
+author: Djeeberjr
+main: pid.Main