2002/03/21 01:19:33

[org.ibex.core.git] / src / org / xwt / Static.java

diff --git a/src/org/xwt/Static.java b/src/org/xwt/Static.java
new file mode 100644 (file)
index 0000000..59450a7
--- /dev/null
+++ b/src/org/xwt/Static.java
@@ -0,0 +1,57 @@
+// Copyright 2002 Adam Megacz, see the COPYING file for licensing [GPL]
+package org.xwt;
+
+import org.xwt.util.*;
+import org.mozilla.javascript.*;
+
+/** implements objects in the xwt.static.* namespace */
+public class Static extends JSObject {
+
+    public static Static getStatic(String resourcename) {
+        Static ret = (Static)cache.get(resourcename);
+        if (ret == null) {
+            Template t = Template.getTemplate(resourcename, null);
+            if (t == null) return null;
+            ret = new Static(resourcename, false);
+            t.link();
+            return ret;
+        }
+        return ret;
+    }
+
+    private static Hash cache = new Hash();
+
+    /** the resource name that this Static object corresponds to */
+    private String resourcename = null;
+
+    /** true iff this represents a directory (rather than an actual xwt) */
+    public boolean ispackage = false;
+
+    private Static(String resourcename, boolean ispackage) {
+        super(true);
+        cache.put(resourcename, this);
+        this.resourcename = resourcename;
+        this.ispackage = ispackage;
+        setSeal(ispackage);
+    }
+    
+    /** creates a new static representing a package */
+    public Static(String resourcename) {
+        this(resourcename, true);
+    }
+
+    public Object get(String name, Scriptable start) {
+        if (name == null) return null;
+
+        // hack since Rhino needs to be able to grab these functions to create new objects
+        if (name.equals("Object")) return JSObject.defaultObjects.get("Object", null);
+        if (name.equals("Array")) return JSObject.defaultObjects.get("Array", null);
+        if (name.equals("Function")) return JSObject.defaultObjects.get("Function", null);
+        if (name.equals("TypeError")) return JSObject.defaultObjects.get("TypeError", null);
+
+        if ("xwt".equals(name)) return XWT.singleton;
+        if (!ispackage) return super.get(name, start);
+        return getStatic(resourcename + (resourcename.length() == 0 ? "" : ".") + name);
+    }
+
+}