From 6824ff7746ed9f1d6d7b68d24d3d02686f2218ac Mon Sep 17 00:00:00 2001
From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?=
 <bombe@pterodactylus.net>
Date: Thu, 26 Jul 2012 11:14:34 +0200
Subject: [PATCH] Add custom properties.

---
 .../pterodactylus/demoscenemusic/data/Base.java    |   7 ++
 .../demoscenemusic/data/DefaultBase.java           |  11 +++
 .../demoscenemusic/data/Properties.java            | 100 +++++++++++++++++++++
 3 files changed, 118 insertions(+)
 create mode 100644 src/main/java/net/pterodactylus/demoscenemusic/data/Properties.java

diff --git a/src/main/java/net/pterodactylus/demoscenemusic/data/Base.java b/src/main/java/net/pterodactylus/demoscenemusic/data/Base.java
index e187041..56559ce 100644
--- a/src/main/java/net/pterodactylus/demoscenemusic/data/Base.java
+++ b/src/main/java/net/pterodactylus/demoscenemusic/data/Base.java
@@ -31,4 +31,11 @@ public interface Base {
 	 */
 	public String getId();
 
+	/**
+	 * Returns the properties associated with this object.
+	 *
+	 * @return The properties of this object
+	 */
+	public Properties getProperties();
+
 }
diff --git a/src/main/java/net/pterodactylus/demoscenemusic/data/DefaultBase.java b/src/main/java/net/pterodactylus/demoscenemusic/data/DefaultBase.java
index 345ebd2..56b37c4 100644
--- a/src/main/java/net/pterodactylus/demoscenemusic/data/DefaultBase.java
+++ b/src/main/java/net/pterodactylus/demoscenemusic/data/DefaultBase.java
@@ -35,6 +35,9 @@ public class DefaultBase implements Base {
 	/** The attributes of the data container. */
 	private final Map<String, Value<?>> attributes = new HashMap<String, Value<?>>();
 
+	/** The properties of the data container. */
+	private final Properties properties = new Properties();
+
 	/**
 	 * Creates a new data container with the given ID.
 	 *
@@ -58,6 +61,14 @@ public class DefaultBase implements Base {
 	}
 
 	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public Properties getProperties() {
+		return properties;
+	}
+
+	/**
 	 * Returns whether the data container contains an attribute with the given
 	 * name.
 	 *
diff --git a/src/main/java/net/pterodactylus/demoscenemusic/data/Properties.java b/src/main/java/net/pterodactylus/demoscenemusic/data/Properties.java
new file mode 100644
index 0000000..dfdb836
--- /dev/null
+++ b/src/main/java/net/pterodactylus/demoscenemusic/data/Properties.java
@@ -0,0 +1,100 @@
+/*
+ * DemosceneMusic - Properties.java - Copyright © 2012 David Roden
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.demoscenemusic.data;
+
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Map.Entry;
+
+/**
+ * Container for custom properties that can be attached to all data containers.
+ *
+ * @see Base#getProperties()
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class Properties implements Iterable<Entry<String, String>> {
+
+	/** The properties. */
+	private final Map<String, String> properties = new HashMap<String, String>();
+
+	//
+	// ACCESSORS
+	//
+
+	/**
+	 * Returns the value of the property with the given name.
+	 *
+	 * @param property
+	 *            The name of the property
+	 * @return The value of the property, or {@code null} if the property with
+	 *         the given name does not exist
+	 */
+	public String get(String property) {
+		return properties.get(property);
+	}
+
+	/**
+	 * Sets the value of the property with the given name.
+	 *
+	 * @param property
+	 *            The name of the property
+	 * @param value
+	 *            The new value of the property
+	 * @return These properties
+	 */
+	public Properties set(String property, String value) {
+		properties.put(property, value);
+		return this;
+	}
+
+	/**
+	 * Removes the property with the given name.
+	 *
+	 * @param property
+	 *            The name of the property
+	 * @return These properties
+	 */
+	public Properties remove(String property) {
+		properties.remove(property);
+		return this;
+	}
+
+	/**
+	 * Removes all properties.
+	 *
+	 * @return These properties
+	 */
+	public Properties removeAll() {
+		properties.clear();
+		return this;
+	}
+
+	//
+	// ITERABLE METHODS
+	//
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public Iterator<Entry<String, String>> iterator() {
+		return properties.entrySet().iterator();
+	}
+
+}
-- 
2.7.4