5 files changed, 132 insertions, 0 deletions

diff --git a/src/net/pacien/util/CleanJSONObject.java b/src/net/pacien/util/CleanJSONObject.java
new file mode 100644
index 0000000..0982ca8
--- /dev/null
+++ b/src/net/pacien/util/CleanJSONObject.java
@@ -0,0 +1,48 @@
+package net.pacien.util;
+
+import java.util.Collection;
+import java.util.Map;
+
+import org.json.simple.JSONObject;
+
+public class CleanJSONObject extends JSONObject {
+
+        /**
+         * 
+         */
+        private static final long serialVersionUID = 6700060746446264070L;
+
+        public CleanJSONObject() {
+                super();
+        }
+
+        @Override
+        public Object put(final String key, final Object value) {
+                if (value == null) {
+                        return null;
+                }
+                return super.put(key, value);
+        }
+
+        public Object put(final String key, final Map<?, ?> map) {
+                if (map.isEmpty()) {
+                        return null;
+                }
+                return super.put(key, map);
+        }
+
+        public Object put(final String key, final Collection<?> collection) {
+                if (collection.isEmpty()) {
+                        return null;
+                }
+                return super.put(key, collection);
+        }
+
+        public Object put(final String key, final Object[] array) {
+                if (array.length == 0) {
+                        return null;
+                }
+                return super.put(key, array);
+        }
+
+}
diff --git a/src/net/pacien/util/IntrinsicMap.java b/src/net/pacien/util/IntrinsicMap.java
new file mode 100644
index 0000000..fe59ac2
--- /dev/null
+++ b/src/net/pacien/util/IntrinsicMap.java
@@ -0,0 +1,66 @@
+/**
+ * 
+ */
+package net.pacien.util;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author pacien
+ * 
+ */
+public class IntrinsicMap<K, V extends Mappable> extends HashMap<K, V> {
+
+        /**
+         * 
+         */
+        private static final long serialVersionUID = 1L;
+
+        /**
+         * 
+         */
+        public IntrinsicMap() {
+                super();
+        }
+
+        /**
+         * @param initialCapacity
+         */
+        public IntrinsicMap(final int initialCapacity) {
+                super(initialCapacity);
+        }
+
+        /**
+         * @param m
+         */
+        public IntrinsicMap(final Map<? extends K, ? extends V> m) {
+                super(m);
+        }
+
+        /**
+         * @param initialCapacity
+         * @param loadFactor
+         */
+        public IntrinsicMap(final int initialCapacity, final float loadFactor) {
+                super(initialCapacity, loadFactor);
+        }
+
+        @SuppressWarnings("unchecked")
+        public V put(final V value) {
+                return super.put((K) value.getKey(), value);
+        }
+
+        @Override
+        public V put(final K key, final V value) {
+                return this.put(value);
+        }
+
+        public void putAll(final Collection<V> collection) {
+                for (final V value : collection) {
+                        this.put(value);
+                }
+        }
+
+}
diff --git a/src/net/pacien/util/Mappable.java b/src/net/pacien/util/Mappable.java
new file mode 100644
index 0000000..b5bbf06
--- /dev/null
+++ b/src/net/pacien/util/Mappable.java
@@ -0,0 +1,7 @@
+package net.pacien.util;
+
+public interface Mappable {
+
+        public Object getKey();
+
+}
diff --git a/src/net/pacien/util/pacienutils.gwt.xml b/src/net/pacien/util/pacienutils.gwt.xml
new file mode 100644
index 0000000..d2a88de
--- /dev/null
+++ b/src/net/pacien/util/pacienutils.gwt.xml
@@ -0,0 +1,3 @@
+<module rename-to="pacienutils">
+        <source path=""/>
+</module>
\ No newline at end of file
diff --git a/src/net/pacien/util/package-info.java b/src/net/pacien/util/package-info.java
new file mode 100644
index 0000000..924b56f
--- /dev/null
+++ b/src/net/pacien/util/package-info.java
@@ -0,0 +1,8 @@
+/**
+ * 
+ */
+/**
+ * @author pacien
+ *
+ */
+package net.pacien.util;
\ No newline at end of file