placeholder abstraction (#9)

api/src/main/java/de/minebench/tresor/services/placeholder/Placeholder.java

@@ -0,0 +1,20 @@
+package de.minebench.tresor.services.placeholder;
+
+import org.bukkit.OfflinePlayer;
+import org.bukkit.entity.Player;
+
+public interface Placeholder {
+
+    /**
+     * Get the key of the placeholder
+     * @return The key
+     */
+    String getKey();
+
+    /**
+     * Request the value of the placeholder
+     * @param player The player to request the value for
+     * @return The value
+     */
+    String request(final OfflinePlayer player);
+}

api/src/main/java/de/minebench/tresor/services/placeholder/Placeholders.java

@@ -0,0 +1,56 @@
+package de.minebench.tresor.services.placeholder;
+
+import de.minebench.tresor.services.TresorServiceProvider;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.entity.Player;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+public interface Placeholders extends TresorServiceProvider {
+
+    /**
+     * Get all registered placeholders
+     * @return The placeholders
+     */
+    Map<String, Placeholder> getRegisteredPlaceholders();
+
+    /**
+     * Get a placeholder by its key
+     * @param key The key of the placeholder
+     * @return The placeholder
+     */
+    Placeholder getPlaceholder(final String key);
+
+    /**
+     * Register a placeholder
+     * @param placeholder The placeholder to register
+     */
+    void add(final Placeholder placeholder);
+
+    /**
+     * Replace placeholders in a string
+     * @param player The player to replace the placeholders for
+     * @param text The text to replace the placeholders in
+     * @return The text with replaced placeholders
+     */
+    String replace(final Player player, final String text);
+
+    default List<String> replace(final Player player, final List<String> text){
+        return text
+                .stream()
+                .map(line -> replace(player, line))
+                .collect(Collectors.toList());
+    }
+
+    /**
+     * Request the value of the placeholder
+     * @param player The player to request the value for
+     * @param params The parameters for the placeholder
+     * @return The value
+     */
+    String request(final OfflinePlayer player, final String params);
+
+}

plugin/pom.xml

@@ -68,6 +68,14 @@
             <scope>compile</scope>
         </dependency>
 
+        <!-- placeholder -->
+        <dependency>
+            <groupId>de.minebench.tresor.providers</groupId>
+            <artifactId>placeholderapi</artifactId>
+            <version>${project.version}</version>
+            <scope>compile</scope>
+        </dependency>
+
         <!-- economy -->
         <dependency>
             <groupId>de.minebench.tresor.providers</groupId>

plugin/src/main/java/de/minebench/tresor/Tresor.java

@@ -23,6 +23,7 @@
 import de.minebench.tresor.services.authentication.Authentication;
 import de.minebench.tresor.services.economy.ModernEconomy;
 import de.minebench.tresor.services.hologram.Holograms;
+import de.minebench.tresor.services.placeholder.Placeholders;
 import de.themoep.hook.bukkit.HookManager;
 import net.milkbowl.vault.chat.Chat;
 import net.milkbowl.vault.economy.Economy;
@@ -77,6 +78,7 @@ private void loadProviders() {
         new ProviderManager(ModernEconomy.class);
         new ProviderManager(Permission.class);
         new ProviderManager(Chat.class);
+        new ProviderManager(Placeholders.class);
     }
 
     @Override

providers/placeholderapi/pom.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>de.minebench.tresor.providers</groupId>
+    <artifactId>placeholderapi</artifactId>
+
+    <parent>
+        <groupId>de.minebench.tresor</groupId>
+        <artifactId>tresor-providers</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <repositories>
+        <repository>
+            <id>placeholderapi</id>
+            <url>https://repo.extendedclip.com/content/repositories/placeholderapi/</url>
+        </repository>
+    </repositories>
+
+    <dependencies>
+        <dependency>
+            <groupId>me.clip</groupId>
+            <artifactId>placeholderapi</artifactId>
+            <version>2.11.6</version>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+
+</project>

providers/placeholderapi/src/main/java/de/minebench/tresor/providers/placeholderapi/PlaceholderAPIExpansion.java

@@ -0,0 +1,35 @@
+package de.minebench.tresor.providers.placeholderapi;
+
+import me.clip.placeholderapi.expansion.PlaceholderExpansion;
+import org.bukkit.OfflinePlayer;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+public class PlaceholderAPIExpansion extends PlaceholderExpansion {
+
+    private final PlaceholderAPIPlaceholders provider;
+
+    public PlaceholderAPIExpansion(final PlaceholderAPIPlaceholders provider) {
+        this.provider = provider;
+    }
+
+    @Override
+    public @NotNull String getIdentifier() {
+        return "tresor";
+    }
+
+    @Override
+    public @NotNull String getAuthor() {
+        return "Minebench";
+    }
+
+    @Override
+    public @NotNull String getVersion() {
+        return "1.0.0";
+    }
+
+    @Override
+    public @Nullable String onRequest(final OfflinePlayer player, @NotNull final String params) {
+        return provider.request(player, params);
+    }
+}

providers/placeholderapi/src/main/java/de/minebench/tresor/providers/placeholderapi/PlaceholderAPIPlaceholders.java

@@ -0,0 +1,74 @@
+package de.minebench.tresor.providers.placeholderapi;
+
+import de.minebench.tresor.Provider;
+import de.minebench.tresor.services.placeholder.Placeholder;
+import de.minebench.tresor.services.placeholder.Placeholders;
+import me.clip.placeholderapi.PlaceholderAPI;
+import me.clip.placeholderapi.PlaceholderAPIPlugin;
+import org.bukkit.Bukkit;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.entity.Player;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class PlaceholderAPIPlaceholders extends Provider<Placeholders, PlaceholderAPIPlugin> implements Placeholders {
+
+    private PlaceholderAPIPlugin hooked;
+
+    private final Map<String, Placeholder> placeholders = new HashMap<>();
+
+    public PlaceholderAPIPlaceholders() {
+        super(Placeholders.class);
+
+        new PlaceholderAPIExpansion(this).register();
+    }
+
+    @Override
+    public PlaceholderAPIPlugin getHooked() {
+        if (hooked == null)
+            hooked = (PlaceholderAPIPlugin) Bukkit.getPluginManager().getPlugin(getName());
+
+        return hooked;
+    }
+
+    @Override
+    public boolean isEnabled() {
+        return getHooked() != null && getHooked().isEnabled();
+    }
+
+    @Override
+    public String getName() {
+        return "PlaceholderAPI";
+    }
+
+    @Override
+    public Map<String, Placeholder> getRegisteredPlaceholders() {
+        return this.placeholders;
+    }
+
+    @Override
+    public Placeholder getPlaceholder(final String key) {
+        return this.placeholders.get(key);
+    }
+
+    @Override
+    public void add(final Placeholder placeholder) {
+        this.placeholders.put(placeholder.getKey(), placeholder);
+    }
+
+    @Override
+    public String replace(final Player player, final String text) {
+        return PlaceholderAPI.setPlaceholders(player, text);
+    }
+
+    @Override
+    public String request(final OfflinePlayer player, final String params) {
+        final Placeholder placeholder = getPlaceholder(params);
+
+        if (placeholder == null)
+            return "N/A";
+
+        return placeholder.request(player);
+    }
+}

providers/pom.xml

@@ -22,6 +22,9 @@
         <module>openlogin</module>
         <module>librelogin</module>
 
+        <!-- placeholder -->
+        <module>placeholderapi</module>
+
         <!-- economy -->
         <module>craftconomy3</module>