Initial BungeeCord edition

Common/src/main/java/net/frankheijden/serverutils/common/providers/ColorProvider.java

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+package net.frankheijden.serverutils.common.providers;
+
+public interface ColorProvider {
+
+    String apply(String str);
+}

Common/src/main/java/net/frankheijden/serverutils/common/providers/PluginProvider.java

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+package net.frankheijden.serverutils.common.providers;
+
+import java.io.File;
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public abstract class PluginProvider<T> {
+
+    public abstract File getPluginsFolder();
+
+    public abstract List<T> getPlugins();
+
+    public abstract String getPluginName(T plugin);
+
+    public List<T> getPluginsSorted() {
+        List<T> plugins = getPlugins();
+        plugins.sort(Comparator.comparing(this::getPluginName));
+        return plugins;
+    }
+
+    public List<String> getPluginNames() {
+        return getPlugins().stream()
+                .map(this::getPluginName)
+                .collect(Collectors.toList());
+    }
+
+    /**
+     * Retrieves all files with a jar extension in the plugins/ folder and returns solely their name.
+     * @return An list of jar file names.
+     */
+    public List<String> getPluginFileNames() {
+        return Arrays.stream(getPluginJars())
+                .map(File::getName)
+                .collect(Collectors.toList());
+    }
+
+    /**
+     * Retrieves all files with a jar extension in the plugins/ folder.
+     * @return An array of jar files.
+     */
+    public File[] getPluginJars() {
+        File parent = getPluginsFolder();
+        if (parent == null || !parent.exists()) return new File[0];
+        return parent.listFiles(f -> f.getName().endsWith(".jar"));
+    }
+}

Common/src/main/java/net/frankheijden/serverutils/common/providers/ResourceProvider.java

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+package net.frankheijden.serverutils.common.providers;
+
+import net.frankheijden.serverutils.common.config.YamlConfig;
+
+import java.io.File;
+import java.io.InputStream;
+
+public interface ResourceProvider {
+
+    InputStream getResource(String resource);
+
+    YamlConfig load(InputStream is);
+
+    YamlConfig load(File file);
+}