Framework for handling attributes.

1 files changed, 57 insertions, 0 deletions

diff --git a/org/madore/damlengine/TodoAttr.java b/org/madore/damlengine/TodoAttr.java
new file mode 100644
index 0000000..d4d877e
--- /dev/null
+++ b/org/madore/damlengine/TodoAttr.java
@@ -0,0 +1,57 @@
+package org.madore.damlengine;
+
+import java.lang.reflect.Method;
+import java.lang.reflect.InvocationTargetException;
+import java.util.Map;
+import java.util.HashMap;
+import org.w3c.dom.Element;
+import org.w3c.dom.Attr;
+
+public class TodoAttr extends TodoItem {
+
+    protected static Map<String,Method> damlHandlers;
+
+    {
+	Class[] handlerArgTypes = new Class[]{ TodoAttr.class };
+	damlHandlers = new HashMap<String,Method>();
+	// try {
+	//     ;
+	// } catch (NoSuchMethodException e) {
+	//     // FIXME: this isn't good...
+	//     throw new Error("this is impossible");
+	// }
+    }
+
+    Attr attr;
+    Element owner;
+    Map<String,Object> context;
+    Map<String,Object> options;
+
+    public TodoAttr(Attr attr, Element owner,
+		    Map<String,Object> context, Map<String,Object> options) {
+	this.attr = attr;
+	this.owner = owner;
+	this.context = context;
+	this.options = options;
+    }
+
+    public void dispatch() {
+	Method handler;
+	String nsuri = attr.getNamespaceURI();
+	if ( nsuri != null && nsuri.equals(DamlEngine.DAML_NS) ) {
+	    handler = damlHandlers.get(attr.getLocalName());
+	} else
+	    handler = null;
+	try {
+	    if ( handler != null )
+		handler.invoke(null, new Object[]{this});
+	} catch (IllegalAccessException e) {
+	    // FIXME: this isn't good...
+	    throw new Error("this is impossible");
+	} catch (InvocationTargetException e) {
+	    // FIXME: this isn't good...
+	    throw new Error("this is impossible");
+	}
+    }
+
+}