// Copyright 2004, 2005 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package org.apache.hivemind.schema.rules;
import org.apache.hivemind.Element;
import org.apache.hivemind.schema.SchemaProcessor;
import org.apache.hivemind.schema.Translator;
/**
* A rule that reads an attribute, passes it through a translator, then pushes the result onto the
* processor stack.
*
* @author Howard Lewis Ship
*/
public class PushAttributeRule extends BaseRule
{
private String _attributeName;
/**
* Uses the translator to convert the specified attribute into an object and pushes that object
* onto the processor stack.
*/
public void begin(SchemaProcessor processor, Element element)
{
Translator t = processor.getAttributeTranslator(_attributeName);
String attributeValue = element.getAttributeValue(_attributeName);
String value = RuleUtils.processText(processor, element, attributeValue);
Object finalValue = t.translate(
processor.getContributingModule(),
Object.class,
value,
element.getLocation());
processor.push(finalValue);
}
/**
* Invokes {@link SchemaProcessor#pop()}.
*/
public void end(SchemaProcessor processor, Element element)
{
processor.pop();
}
public void setAttributeName(String string)
{
_attributeName = string;
}
public String getAttributeName()
{
return _attributeName;
}
}