Add dicore3-core, without really irrelevant packages

1 files changed, 59 insertions, 0 deletions

diff --git a/dicore3/core/src/main/java/io/dico/dicore/SetBasedWhitelist.java b/dicore3/core/src/main/java/io/dico/dicore/SetBasedWhitelist.java
new file mode 100644
index 0000000..6596b65
--- /dev/null
+++ b/dicore3/core/src/main/java/io/dico/dicore/SetBasedWhitelist.java
@@ -0,0 +1,59 @@
+package io.dico.dicore;
+
+import org.bukkit.configuration.ConfigurationSection;
+
+import java.util.*;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+public class SetBasedWhitelist implements Whitelist {
+    private final Set set;
+    private final boolean blacklist;
+    
+    public SetBasedWhitelist(Object[] array, boolean blacklist) {
+        this(Arrays.asList(array), blacklist);
+    }
+    
+    public SetBasedWhitelist(ConfigurationSection section, Function<String, ?> parser) {
+        this(section.getStringList("listed").stream().map(parser).filter(Objects::nonNull).collect(Collectors.toList()),
+                section.getBoolean("blacklist", false));
+    }
+    
+    @SuppressWarnings("unchecked")
+    public SetBasedWhitelist(Collection collection, boolean blacklist) {
+        Set set;
+        if (collection.isEmpty()) {
+            set = Collections.emptySet();
+        } else if (collection.iterator().next() instanceof Enum) {
+            set = EnumSet.copyOf(collection);
+        } else if (collection instanceof Set) {
+            set = (Set) collection;
+        } else {
+            set = new HashSet<>(collection);
+        }
+        
+        this.set = set;
+        this.blacklist = blacklist;
+    }
+    
+    @Override
+    public boolean isWhitelisted(Object o) {
+        return blacklist != set.contains(o);
+    }
+    
+    @SuppressWarnings("unchecked")
+    @Override
+    public String toString() {
+        return (blacklist ? "Blacklist" : "Whitelist") + "{"
+                + String.join(", ", (CharSequence[]) set.stream().map(String::valueOf).toArray(String[]::new)) + "}";
+    }
+    
+    public Set getSet() {
+        return set;
+    }
+    
+    public boolean isBlacklist() {
+        return blacklist;
+    }
+    
+}