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
2001-11-17 03:46:48 +00:00
parent b52216a91d
commit a95aa21cfe
1 changed files with 59 additions and 0 deletions
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+//
+// $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;
+}