1 files changed, 37 insertions, 0 deletions
diff --git a/bindings/java/GObject.java b/bindings/java/GObject.java
index ccb59c22..a7815a72 100644
--- a/bindings/java/GObject.java
+++ b/bindings/java/GObject.java
@@ -1,4 +1,5 @@
 package com.entrouvert.lasso;
+import java.util.*;
 
 class GObject {
         private long cptr;
@@ -6,4 +7,40 @@ class GObject {
         protected GObject(long ptr) {
                 cptr = ptr;
         }
+        protected Map arrayToMap(Object[] arr) {
+            Map map = new HashMap();
+            if (arr == null)
+                return map;
+            if (arr.length % 2 != 0)
+                throw new IllegalArgumentException("arr must of an even size");
+            int i;
+            for (i=0;i<arr.length;i+=2) {
+                map.put(arr[i],arr[i+1]);
+            }
+            return map;
+        }
+        protected void mapToArray(Map map, Object[] arr) {
+            int s = map.size();
+            if (map == null)
+                return;
+            Iterator it;
+            it = map.entrySet().iterator();
+            int i = 0;
+            while (it.hasNext() && i < 2*s) {
+                Map.Entry e = (Map.Entry)it.next();
+                arr[i++] = (Object)e.getKey();
+                arr[i++] = (Object)e.getValue();
+            }
+        }
+        protected void listToArray(List list, Object[] arr) {
+            Iterator it = list.iterator();
+            int s = arr.length;
+            int i = 0;
+            while (it.hasNext() && i < s) {
+                arr[i++] = (Object)it.next();
+            }
+        }
+        protected void finalize() throws Throwable {
+            LassoJNI.destroy(cptr);
+        }
 }