Add custom properties.

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 (file)
--- 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 (file)
--- 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 (file)
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();
+       }
+
+}