Start splitting into maven modules

1 files changed, 105 insertions, 0 deletions

diff --git a/base/src/main/java/bjc/utils/esodata/UnifiedDirectory.java b/base/src/main/java/bjc/utils/esodata/UnifiedDirectory.java
new file mode 100644
index 0000000..ffb639f
--- /dev/null
+++ b/base/src/main/java/bjc/utils/esodata/UnifiedDirectory.java
@@ -0,0 +1,105 @@
+package bjc.utils.esodata;
+
+import bjc.utils.funcdata.FunctionalMap;
+import bjc.utils.funcdata.IMap;
+
+/**
+ * Simple implementation of {@link Directory}.
+ *
+ * Has a unified namespace for data and children.
+ *
+ * @author EVE
+ *
+ * @param <K>
+ *                The key type of the directory.
+ * @param <V>
+ *                The value type of the directory.
+ */
+public class UnifiedDirectory<K, V> implements Directory<K, V> {
+	private final IMap<K, Directory<K, V>> children;
+
+	private final IMap<K, V> data;
+
+	/**
+	 * Create a new directory.
+	 */
+	public UnifiedDirectory() {
+		children = new FunctionalMap<>();
+		data = new FunctionalMap<>();
+	}
+
+	@Override
+	public Directory<K, V> getSubdirectory(final K key) {
+		return children.get(key);
+	}
+
+	@Override
+	public boolean hasSubdirectory(final K key) {
+		return children.containsKey(key);
+	}
+
+	@Override
+	public Directory<K, V> putSubdirectory(final K key, final Directory<K, V> val) {
+		if (data.containsKey(key)) {
+			final String msg = String.format("Key %s is already used for data", key);
+
+			throw new IllegalArgumentException(msg);
+		}
+
+		return children.put(key, val);
+	}
+
+	@Override
+	public boolean containsKey(final K key) {
+		return data.containsKey(key);
+	}
+
+	@Override
+	public V getKey(final K key) {
+		return data.get(key);
+	}
+
+	@Override
+	public V putKey(final K key, final V val) {
+		if (children.containsKey(key)) {
+			final String msg = String.format("Key %s is already used for sub-directories.", key);
+
+			throw new IllegalArgumentException(msg);
+		}
+
+		return data.put(key, val);
+	}
+
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + (children == null ? 0 : children.hashCode());
+		result = prime * result + (data == null ? 0 : data.hashCode());
+		return result;
+	}
+
+	@Override
+	public boolean equals(final Object obj) {
+		if (this == obj) return true;
+		if (obj == null) return false;
+		if (!(obj instanceof UnifiedDirectory<?, ?>)) return false;
+
+		final UnifiedDirectory<?, ?> other = (UnifiedDirectory<?, ?>) obj;
+
+		if (children == null) {
+			if (other.children != null) return false;
+		} else if (!children.equals(other.children)) return false;
+
+		if (data == null) {
+			if (other.data != null) return false;
+		} else if (!data.equals(other.data)) return false;
+
+		return true;
+	}
+
+	@Override
+	public String toString() {
+		return String.format("UnifiedDirectory [children=%s, data=%s]", children, data);
+	}
+}
\ No newline at end of file