diff java/src/java/util/Hashtable.d @ 10:eb8ff453285d

Added java.util collection classes.
author Frank Benoit <benoit@tionex.de>
date Fri, 13 Mar 2009 16:57:07 +0100
parents
children 9b96950f2c3c
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/java/src/java/util/Hashtable.d	Fri Mar 13 16:57:07 2009 +0100
@@ -0,0 +1,150 @@
+module java.util.Hashtable;
+
+import java.lang.all;
+import java.util.Dictionary;
+import java.util.Map;
+import java.util.Enumeration;
+import java.util.Collection;
+import java.util.Set;
+
+// no nulls
+// synchronized
+class Hashtable : Dictionary, Map {
+
+    public Object get(String key){
+        return super.get(key);
+    }
+    public Object put(String key, Object value){
+        return super.put(key, value);
+    }
+    public Object put(Object key, String value){
+        return super.put(key, value);
+    }
+    public Object put(String key, String value){
+        return super.put(key, value);
+    }
+    public Object remove(String key){
+        return super.remove(key);
+    }
+
+    Object[Object] map;
+
+    // The HashMap  class is roughly equivalent to Hashtable, except that it is unsynchronized and permits nulls.
+    public this(){
+    }
+    public this(int initialCapacity){
+        implMissing( __FILE__, __LINE__ );
+    }
+    public this(int initialCapacity, float loadFactor){
+        implMissing( __FILE__, __LINE__ );
+    }
+    public this(Map t){
+        implMissing( __FILE__, __LINE__ );
+    }
+
+    class ObjectEnumeration : Enumeration {
+        Object[] values;
+        int index = 0;
+        this( Object[] values ){
+            this.values = values;
+        }
+        public bool hasMoreElements(){
+            return index < values.length;
+        }
+        public Object nextElement(){
+            Object res = values[index];
+            index++;
+            return res;
+        }
+    }
+
+    Enumeration  elements(){
+        return new ObjectEnumeration( map.values );
+    }
+    Enumeration        keys() {
+        return new ObjectEnumeration( map.keys );
+    }
+    public synchronized void clear(){
+        map = null;
+    }
+    public synchronized bool containsKey(Object key){
+        if( auto v = key in map ){
+            return true;
+        }
+        return false;
+    }
+    public synchronized bool containsKey(String key){
+        return containsKey(stringcast(key));
+    }
+    public synchronized bool containsValue(Object value){
+        foreach( k, v; map ){
+            if( v == value ){
+                return true;
+            }
+        }
+        return false;
+    }
+    public Set  entrySet(){
+        implMissing( __FILE__, __LINE__ );
+        return null;
+    }
+    public int opEquals(Object o){
+        implMissing( __FILE__, __LINE__ );
+        return 0;
+    }
+    public synchronized Object get(Object key){
+        if( auto v = key in map ){
+            return *v;
+        }
+        return null;
+    }
+    public hash_t toHash(){
+        implMissing( __FILE__, __LINE__ );
+        return 0;
+    }
+    public synchronized bool isEmpty(){
+        return map.length is 0;
+    }
+    public Set    keySet(){
+        implMissing( __FILE__, __LINE__ );
+        return null;
+    }
+    public synchronized Object put(Object key, Object value){
+        Object res = null;
+        if( auto v = key in map ){
+            res = *v;
+        }
+        map[ key ] = value;
+        return res;
+    }
+//     public Object put(String key, Object value)
+//     public Object put(Object key, String value)
+//     public Object put(String key, String value)
+    public synchronized void   putAll(Map t){
+        implMissing( __FILE__, __LINE__ );
+    }
+    public synchronized Object remove(Object key){
+        implMissing( __FILE__, __LINE__ );
+        return null;
+    }
+//     public Object remove(String key)
+    public synchronized int    size(){
+        return map.length;
+    }
+    public Collection values(){
+        implMissing( __FILE__, __LINE__ );
+        return null;
+    }
+
+    // only for D
+    public int opApply (int delegate(ref Object value) dg){
+        implMissing( __FILE__, __LINE__ );
+        return 0;
+    }
+    public int opApply (int delegate(ref Object key, ref Object value) dg){
+        implMissing( __FILE__, __LINE__ );
+        return 0;
+    }
+
+}
+