From a95aa21cfe996d06bb7b287a7264c28a04c037d9 Mon Sep 17 00:00:00 2001
From: mdb <mdb@6335cc39-0255-0410-8fd6-9bcaacd3b74c>
Date: Sat, 17 Nov 2001 03:46:48 +0000
Subject: [PATCH] Created an XML Digester rule that allows the calling code to
 invoke whatever string to argument translations it desires and then call
 whatever method it wants to on the object on the top of the stack.

git-svn-id: https://samskivert.googlecode.com/svn/trunk@455 6335cc39-0255-0410-8fd6-9bcaacd3b74c
---
 .../samskivert/xml/CallMethodSpecialRule.java | 59 +++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 projects/samskivert/src/java/com/samskivert/xml/CallMethodSpecialRule.java

diff --git a/projects/samskivert/src/java/com/samskivert/xml/CallMethodSpecialRule.java b/projects/samskivert/src/java/com/samskivert/xml/CallMethodSpecialRule.java
new file mode 100644
index 00000000..78f09a59
--- /dev/null
+++ b/projects/samskivert/src/java/com/samskivert/xml/CallMethodSpecialRule.java
@@ -0,0 +1,59 @@
+//
+// $Id: CallMethodSpecialRule.java,v 1.1 2001/11/17 03:46:48 mdb Exp $
+//
+// samskivert library - useful routines for java programs
+// Copyright (C) 2001 Walter Korman
+// 
+// This library is free software; you can redistribute it and/or modify it
+// under the terms of the GNU Lesser General Public License as published
+// by the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+package com.samskivert.xml;
+
+import org.xml.sax.Attributes;
+import org.apache.commons.digester.Digester;
+import org.apache.commons.digester.Rule;
+
+/**
+ * Parses the bodies of elements and sets the value on the top object on
+ * the stack using a special parser/setter interface.
+ */
+public abstract class CallMethodSpecialRule extends Rule
+{
+    public static interface Helper
+    {
+        public void parseAndSet (String bodyText, Object target);
+    }
+
+    public CallMethodSpecialRule (Digester digester)
+    {
+        super(digester);
+    }
+
+    public void body (String bodyText)
+        throws Exception
+    {
+        _bodyText = bodyText.trim();
+    }
+
+    public void end ()
+        throws Exception
+    {
+	Object top = digester.peek();
+        parseAndSet(_bodyText, top);
+    }
+
+    public abstract void parseAndSet (String bodyText, Object target);
+
+    protected String _bodyText;
+}