/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jbpm.wire.xml;
import java.util.List;
import java.util.logging.Logger;
import org.jbpm.xml.Binding;
import org.jbpm.xml.Bindings;
import org.jbpm.xml.Parse;
import org.jbpm.xml.Parser;
import org.jbpm.xml.XmlUtil;
import org.w3c.dom.Element;
public class BindingParser extends Parser {
private static final Logger log = Logger.getLogger(BindingParser.class.getName());
public Object parseDocumentElement(Element documentElement, Parse parse) {
List<Element> elements = XmlUtil.elements(documentElement, "binding");
if (elements!=null) {
for (Element bindingElement : elements) {
String tagName = XmlUtil.attribute(bindingElement, "tag");
String bindingClassName = XmlUtil.attribute(bindingElement, "class");
String category = XmlUtil.attribute(bindingElement, "category");
log.finest("adding wire binding for "+tagName);
if (tagName==null) {
parse.addProblem("tag is a required attribute in a binding "+XmlUtil.toString(bindingElement));
}
Binding binding = null;
if (bindingClassName!=null) {
try {
Class<?> bindingClass = getClassLoader().loadClass(bindingClassName);
binding = (Binding) bindingClass.newInstance();
} catch (Exception e) {
parse.addProblem("couldn't instantiate binding "+bindingClassName, e);
}
} else {
parse.addProblem("class is a required attribute in a binding "+XmlUtil.toString(bindingElement));
}
if ( (tagName!=null)
&& (binding!=null)
) {
Bindings bindings = parse.findObject(Bindings.class);
bindings.addBinding(tagName, binding, category);
} else {
log.warning("binding for "+tagName+" could not be parsed. See parsing problems for more details.");
}
}
}
return null;
}
}